CN209587139U - A kind of high temperature modification mechanically-sealing apparatus - Google Patents
A kind of high temperature modification mechanically-sealing apparatus Download PDFInfo
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- CN209587139U CN209587139U CN201920362447.1U CN201920362447U CN209587139U CN 209587139 U CN209587139 U CN 209587139U CN 201920362447 U CN201920362447 U CN 201920362447U CN 209587139 U CN209587139 U CN 209587139U
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- casing
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Abstract
The utility model provides a kind of high temperature modification mechanically-sealing apparatus, is related to mechanically-sealing apparatus technical field.The utility model, rotating ring (5) are integral type specially-shaped annular structures, the trapezoidal protrusion of the axial middle setting annular on the outside of usual endless；It is internal cooling bath (52) that a closed housing is constituted between stationary ring (4), rotating ring (5), casing (3) and sealing ring (32)；Liquid injection hole (31) are provided on casing (3)；Liquid injection hole (31) and internal cooling bath (52) connection.Compared with prior art, the utility model, internal cooling bath (52) space is big, the heat of stationary ring (4) and rotating ring (5) friction generation can quickly be taken away, at work, the present invention is in metastable temperature fluctuation range, when being not in long, the apparent condition of high temperature, long service life, suitable for being applied under high temperature applicationss；Encapsulation process between each component, the leakproofness of device entirety and highly-safe；Structure is simple, easy to disassemble.
Description
Technical field
The utility model relates to technical field of mechanical, in particular to the mechanical seal used under a kind of worst hot case fills
It sets.
Background technique
In the equipment such as centrifugal pump, centrifuge, reaction kettle and compressor, since transmission shaft is applied in inside and outside equipment, axis with
There are a circumferential clearance between equipment, the medium in equipment is leaked out by the gap, if pressure is lower than big in equipment
Air pressure, then air is often used mechanically-sealing apparatus to equipment internal leakage to prevent to leak.Mechanically-sealing apparatus is a kind of whirler
The gland seal device of tool.
And the equipment such as centrifugal pump, centrifuge, reaction kettle and compressor are applied to high temperature applicationss sometimes, i.e., it is intermediate filled with height
Geothermal liquid medium, high temperature fluid are also easy to produce vaporization, cause mechanical seal end surface fluid film to destroy, end face is made to be in mixed film friction shape
State easily causes sealing surface wear, fails, and causing tradition machinery sealing device, service life is shorter in the case of a high temperature.
Summary of the invention
The utility model provides a kind of high temperature modification mechanically-sealing apparatus, carries out structure improvement, solution to mechanically-sealing apparatus
Certainly above-mentioned technical problem.
Specific technical solution is a kind of high temperature modification mechanically-sealing apparatus, comprising: shaft, axle sleeve, casing, liquid injection hole, sealing
Ring, stationary ring, stationary ring sealing ring, rotating ring, ring seal pad, internal cooling bath, bellows, bellows left side, bellows right end
Face, left side sealing ring, right side sealing ring, compression spring, fixing seat, key.
Fastening, sealing socked shaft set outside shaft；Casing is hollow barrel-shaped structure, and casing is placed on the outside of axle sleeve, left side
Aperture is small on face, and aperture is big on right side；Stationary ring is installed on casing internal, and stationary ring is placed on the outside of axle sleeve, rotating ring and stationary ring it is close
Cover abuts against, and the sealing of bearing surface is still kept when relatively rotating.
Rotating ring is integral type specially-shaped annular structure, and the trapezoidal convex of annular is arranged in the axial middle on the outside of usual endless
It rises, the structure of rotating ring is optimized while guaranteeing that rotating ring and stationary ring effectively contact, reserved space construction at trapezoidal convex slope
Internal cooling bath, this structure are also convenient for the assembling of entire sealing device.
Bellows is tubular structure, and both ends are equipped with the axis hole of socket shaft axle sleeve, and the insertion of bellows left side is independently arranged
, annular rotating ring；It is docked with fixing seat and keeps rotation synchronous in the bellows right side of bellows；Fixing seat passes through with shaft
Key is fastenedly connected and keeps rotating synchronously with shaft.
The side wall of bellows middle section is corrugated thin-walled, has axis under the action of the extruding at both ends, drawing force
To flexible ability, while there is the ability of transmitting Shaft Torque；Corrugated sidewall and both ends of the surface will enclose coelosis among bellows
Body keeps sealing between bellows left side and bellows right side and axle sleeve.
Compression spring is set in the cavity of bellows, is abutted against on the inside of both ends of the spring and bellows both ends of the surface, is kept dynamic
Abutting pressure between ring and stationary ring and between rotating ring and stationary ring sealing ring.
Liquid injection hole is provided on casing；Rotating ring side contacts with sealing ring for inclined-plane and handles for end face seal, before rotating ring
Portion is contacted with stationary ring to be handled for end face seal, and sealing ring and chassis contact simultaneously seal, and stationary ring and chassis contact simultaneously seal, quiet
It is internal cooling bath that ring, rotating ring, casing and sealing interannular, which constitute a closed housing,；Liquid injection hole and internal cooling bath connection, from
Liquid injection hole injects coolant liquid, and coolant liquid can absorb and quickly transmitting heat to casing scatters and disappears, in equipment work, mechanical seal
Frictional heat generation between stationary ring and rotating ring in device, coolant liquid are stationary ring and rotating ring cooling in time.
Further, stationary ring sealing ring is placed in the outside and casing joint of stationary ring, enhances the sealing between stationary ring and casing
Effect.
Further, ring seal pad is placed in right end and the bellows left side joint of rotating ring, enhances rotating ring and ripple
Sealing effect between pipe left side.
Further, left side sealing ring is placed on the inside of bellows left side and axle sleeve joint, enhancing bellows left end
The sealing effect in face and shaft room.
Further, right side sealing ring is placed on the inside of bellows right side and fixing seat joint, the enhancing bellows right side
Sealing effect between end face and fixing seat.
Due to using above technical scheme, compared with prior art, the utility model constructs internal cooling bath, fills
Enter coolant liquid, can quickly take away the heat of stationary ring and rotating ring friction generation, at work, the utility model is in relatively stable
Temperature fluctuation range, when being not in long, the apparent condition of high temperature, long service life, suitable for being applied under high temperature applicationss；Respectively
Encapsulation process between component, the leakproofness of device entirety and highly-safe；Structure is simple, easy to disassemble.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is a kind of schematic diagram of high temperature modification mechanically-sealing apparatus；
Fig. 2 is a kind of schematic diagram of high temperature modification mechanically-sealing apparatus in embodiment；
Fig. 3 is partial enlarged view in Fig. 2.
Wherein: 1, shaft；2, axle sleeve, 3, casing, 31, liquid injection hole, 32, sealing ring, 4, stationary ring, 41, stationary ring sealing ring, 5,
Rotating ring, 51, ring seal pad, 52, internal cooling bath, 6, bellows, 61, bellows left side, 62, bellows right side, 63,
Left side sealing ring, 64, right side sealing ring, 7, compression spring, 8, fixing seat, 9, key.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached
Figure, is described in further detail the utility model.Here, the exemplary embodiment and its explanation of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that term "inner", "outside", "left", "right" are the orientation of instruction
Or positional relationship is positional relationship based on the figure, is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.
Here is the description carried out in conjunction with attached drawing to the utility model:
In conjunction with Fig. 1, Fig. 2, Fig. 3, a kind of high temperature modification mechanically-sealing apparatus, comprising: shaft 1, axle sleeve 2, casing 3, liquid injection hole
31, sealing ring 32, stationary ring 4, stationary ring sealing ring 41, rotating ring 5, ring seal pad 51, internal cooling bath 52, bellows 6, bellows
Left side 61, bellows right side 62, left side sealing ring 63, right side sealing ring 64, compression spring 7, fixing seat 8, key 9.
It fastened outside shaft 1, seal socked shaft set 2；Casing 3 is hollow barrel-shaped structure, and casing 3 is placed on 2 outside of axle sleeve,
Aperture is small on left side, and aperture is big on right side；Stationary ring 4 is installed on inside casing 3, and stationary ring 4 is placed on the outside of axle sleeve 2, rotating ring 5 with
The sealing surface of stationary ring 4 abuts against, and the sealing of bearing surface is still kept when relatively rotating.
Rotating ring 5 is integral type specially-shaped annular structure, and the trapezoidal convex of annular is arranged in the axial middle on the outside of usual endless
It rises, the structure of rotating ring 5, reserved space structure at trapezoidal convex slope is optimized while guaranteeing that rotating ring 5 and stationary ring 4 effectively contact
Internal cooling bath 52 is made, this structure is also convenient for the assembling of entire sealing device.
Bellows 6 is tubular structure, and both ends are equipped with the axis hole of socket 1 axle sleeve 2 of shaft, and bellows left side 61 is embedded in independence
Rotating ring 5 being arranged, annular；It is docked with fixing seat 8 and keeps rotation synchronous in the bellows right side 62 of bellows 6；Fixing seat 8
It is fastenedly connected with shaft 1 by key 9 and keeps rotating synchronously with shaft 1.
The side wall of 6 middle section of bellows is corrugated thin-walled, has axis under the action of the extruding at both ends, drawing force
To flexible ability, while there is the ability of transmitting Shaft Torque；Corrugated sidewall and both ends of the surface will enclose coelosis among bellows
Body keeps sealing between bellows left side 61 and bellows right side 62 and axle sleeve 2.
Compression spring 7 is set in the cavity of bellows 6, is abutted against, is kept on the inside of both ends of the spring and bellows both ends of the surface
Abutting pressure between rotating ring 5 and stationary ring 4 and between rotating ring 5 and stationary ring sealing ring 41.
Liquid injection hole 31 is provided on casing 3；5 side of rotating ring is that inclined-plane is contacted with sealing ring 32 for end face seal processing,
5 front of rotating ring is contacted with stationary ring 4 to be handled for end face seal, and sealing ring 32 is contacted and sealed with casing 3, and stationary ring 4 connects with casing 3
It touches and seals, it is internal cooling bath 52 that a closed housing is constituted between stationary ring 4, rotating ring 5, casing 3 and sealing ring 32；Liquid injection hole
31 with internal 52 connection of cooling bath, inject coolant liquid from liquid injection hole 31, coolant liquid can absorb and quickly transmit heat to casing
It scatters and disappears, in equipment work, frictional heat generation between the stationary ring 4 and rotating ring 5 in mechanically-sealing apparatus, coolant liquid is 4 He of stationary ring in time
Rotating ring 5 cools down.
In a preferred embodiment, stationary ring sealing ring 41 is placed in the outside and 3 joint of casing of stationary ring 4, enhances stationary ring 4 and machine
Sealing effect between shell 3.
Ring seal pad 51 is placed in right end and 61 joint of bellows left side of rotating ring 5, and enhancing rotating ring 5 and bellows are left
Sealing effect between end face 61.
Left side sealing ring 63 is placed in 61 inside of bellows left side and 2 joint of axle sleeve, enhances bellows left side 61
With the sealing effect between axle sleeve 2.
Right side sealing ring 64 is placed in 62 inside of bellows right side and 8 joint of fixing seat, enhances bellows right side
Sealing effect between 62 and fixing seat 8.
The above is only the preferred embodiment of the utility model, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (5)
1. a kind of high temperature modification mechanically-sealing apparatus, which is characterized in that
It include: shaft (1), axle sleeve (2), casing (3), liquid injection hole (31), sealing ring (32), stationary ring (4), stationary ring sealing ring
(41), rotating ring (5), ring seal pad (51), internal cooling bath (52), bellows (6), bellows left side (61), bellows
Right side (62), left side sealing ring (63), right side sealing ring (64), compression spring (7), fixing seat (8), key (9),
Fastening, sealing socked shaft set (2) outside shaft (1)；Casing (3) is hollow barrel-shaped structure, and stationary ring (4) is installed on casing
(3) internal, casing (3) and stationary ring (4) are respectively sleeved on the outside of axle sleeve (2), and rotating ring (5) and the sealing surface of stationary ring (4) abut against；
Bellows (6) is tubular structure, and both ends are equipped with the axis hole of socket axle sleeve (2), and bellows left side (61) insertion is independently set
The rotating ring (5) set；The bellows right side (62) of bellows (6) consolidates with fixing seat (8) and docks；Fixing seat (8) and shaft (1)
It is fastenedly connected by key (9)；
Rotating ring (5) is integral type specially-shaped annular structure, the trapezoidal protrusion of the axial middle setting annular on the outside of usual endless；
The side wall of bellows (6) middle section is corrugated thin-walled, bellows left side (61) and bellows right side (62)
Sealing is kept between axle sleeve (2), corrugated sidewall and both ends of the surface will enclose cavity among bellows；
Compression spring (7) is set in the cavity of bellows (6), is abutted against, is kept on the inside of both ends of the spring and bellows both ends of the surface
Abutting pressure between rotating ring (5) and stationary ring (4) and between rotating ring (5) and stationary ring sealing ring (41)；
Liquid injection hole (31) are provided on casing (3)；Sealing ring (32) in stationary ring (4), moves between casing (3) and rotating ring (5)
It is internal cooling bath (52) that a closed housing is constituted between ring (5), casing (3) and sealing ring (32)；Liquid injection hole (31) and inside
Cooling bath (52) connection.
2. a kind of high temperature modification mechanically-sealing apparatus according to claim 1, which is characterized in that stationary ring sealing ring (41) is placed in
The outside and casing (3) joint of stationary ring (4).
3. a kind of high temperature modification mechanically-sealing apparatus according to claim 1, which is characterized in that ring seal pad (51) is placed in
The right end of rotating ring (5) and bellows left side (61) joint.
4. a kind of high temperature modification mechanically-sealing apparatus according to claim 1, which is characterized in that left side sealing ring (63) is set
In bellows left side (61) inside and axle sleeve (2) joint.
5. a kind of high temperature modification mechanically-sealing apparatus according to claim 1, which is characterized in that right side sealing ring (64) is set
In bellows right side (62) inside and fixing seat (8) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920362447.1U CN209587139U (en) | 2019-03-20 | 2019-03-20 | A kind of high temperature modification mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920362447.1U CN209587139U (en) | 2019-03-20 | 2019-03-20 | A kind of high temperature modification mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587139U true CN209587139U (en) | 2019-11-05 |
Family
ID=68374550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920362447.1U Active CN209587139U (en) | 2019-03-20 | 2019-03-20 | A kind of high temperature modification mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587139U (en) |
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2019
- 2019-03-20 CN CN201920362447.1U patent/CN209587139U/en active Active
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