CN208237084U - A kind of Double End mechanical sealing device for cauldron of welding metal bellows - Google Patents
A kind of Double End mechanical sealing device for cauldron of welding metal bellows Download PDFInfo
- Publication number
- CN208237084U CN208237084U CN201820698323.6U CN201820698323U CN208237084U CN 208237084 U CN208237084 U CN 208237084U CN 201820698323 U CN201820698323 U CN 201820698323U CN 208237084 U CN208237084 U CN 208237084U
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- ring
- cauldron
- sealing device
- welding metal
- mechanical sealing
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Abstract
The utility model provides a kind of Double End mechanical sealing device for cauldron of welding metal bellows, including the cooling jacket from bottom to top set gradually, upper stationary seat, bearing block and bearing gland, axle sleeve is equipped on the inside of the bearing block, the upper stationary seat, the cooling jacket inner ring and the axle sleeve outer ring surround a seal chamber, bellows component is equipped in the seal chamber, first stationary ring, second stationary ring and rotating ring, first stationary ring and second stationary ring cooperate with the step structure of the cooling jacket and the upper stationary seat respectively, spring base is fixed on the axle sleeve between first stationary ring and second stationary ring, described spring base one end is provided with the bellows component, the other end is equipped with the shifting fork structure cooperated with the rotating ring.The ability that the device adapts to high/low temperature is strong, and by bellows direct-drive, transmission effect is good for spring base one end, expands the scope of application of machine seal apparatus.
Description
Technical field
The utility model relates to a kind of mechanically-sealing apparatus more particularly to a kind of Double End kettles of welding metal bellows
Use mechanically-sealing apparatus.
Background technique
Mechanical seal refer to by least a pair of end face perpendicular to rotation axis Fluid pressure and compensation mechanism elastic force (or
Magnetic force) under the action of and the cooperation of auxiliary seal under keep be bonded and constituted with respect to sliding prevent fluid leak dress
It sets.
Mechanical seal is a kind of gland seal device of rotating machinery.Since transmission shaft is applied in inside and outside equipment, in this way, axis with set
There is a circumferential clearance between standby, the medium in equipment is leaked out by the gap, if pressure is lower than atmosphere in equipment
Pressure, then air is to equipment internal leakage, it is therefore necessary to have the gland seal device for preventing leakage.There are many type of axle envelope, due to machine
Tool sealing has many advantages, such as that leakage rate is few and the service life is long, so mechanical seal is in the most important sealing of these equipment in the world
Mode.Tradition machinery sealing device spring base and rotating ring cooperate poor reliability, and transmission effect is poor, are easy to cause seal failure.
Utility model content
Utility model provides a kind of Double End mechanical sealing device for cauldron of welding metal bellows, spring base and dynamic
Ring cooperation is reliable, and transmission effect is good.
In order to reach the purpose, utility model is adopted the following technical scheme that
A kind of Double End mechanical sealing device for cauldron of welding metal bellows, it is cold including what is from bottom to top set gradually
But water jacket, upper stationary seat, bearing block and bearing gland, are equipped with axle sleeve on the inside of the bearing block, the upper stationary seat, described cold
But water jacket inner ring and the axle sleeve outer ring surround a seal chamber, it is characterised in that: bellows component, the are equipped in the seal chamber
One stationary ring, the second stationary ring and rotating ring, first stationary ring and second stationary ring respectively with the cooling jacket and it is described on
The step structure of stationary seat cooperates, and is fixed with spring base on the axle sleeve between first stationary ring and second stationary ring,
Described spring base one end is provided with the bellows component, the other end is equipped with the shifting fork structure cooperated with the rotating ring.
As a preference, being equipped with oblique groove in the bellows, the spring base is equipped with bulge loop, the bulge loop, institute
It states and is provided with washer between oblique groove and the axle sleeve.
As a preference, first stationary ring includes main body and the circular bar in the main body, the circular bar
It is arranged towards the step structure, on the downside of the circular bar and upside is respectively arranged with washer and O-ring.
As a preference, seal end plate is fixed on the cooling jacket, the seal end plate and the O-ring phase
It supports.
As a preference, the axle sleeve upper end is equipped with the oblique groove, Upper shaft sleeve is provided with the bulge loop, described tiltedly recessed
The washer is equipped between slot and the bulge loop.
As a preference, being connected to self-aligning roller bearing, the inner sleeve of the self-aligning roller bearing on the inside of the bearing block
There is the axle sleeve.
As a preference, the bellows component is graphite insert bellows structure.
As a preference, the rotating ring is graphite insert rotating seat.
As a preference, being equipped with toroidal cavity in the cooling jacket.
To sum up, compared with prior art, be the advantages of utility model: spring base one end passes through bellows direct-drive,
It is good to be driven effect, expands the scope of application of machine seal apparatus.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Label in figure is as follows:
1. cooling jacket, stationary seat on 2., 3. bearing blocks, 4. bearing glands, 5. axle sleeves, 6. bellows components, 61. is tiltedly recessed
Slot, 7. first stationary rings, 71. main bodys, 72. circular bars, 8. second stationary rings, 9. rotating rings, 10. spring bases, 101. bulge loops, 11. washers,
12.O shape circle, 13. seal end plates, 14. self-aligning roller bearings.
Specific embodiment
Middle embodiment is described further utility model with reference to the accompanying drawing.
A kind of Double End mechanical sealing device for cauldron of welding metal bellows as shown in Figure 1, including from bottom to top
Cooling jacket 1, upper stationary seat 2, bearing block 3 and the bearing gland 4 set gradually is equipped with axle sleeve 5, upper stationary ring on the inside of bearing block 3
Seat 2,1 inner ring of cooling jacket and 5 outer ring of axle sleeve surround a seal chamber.Bellows component 6, the first stationary ring 7, the are equipped in seal chamber
Two stationary rings 8 and rotating ring 9, the step structure of the first stationary ring 7 and the second stationary ring 8 respectively with cooling jacket 1 and upper stationary seat 2 are matched
It closes, is fixed with spring base 10 on the axle sleeve 5 between the first stationary ring 7 and the second stationary ring 8,10 one end of spring base is provided with bellows group
Part 6, the other end are equipped with the shifting fork structure cooperated with rotating ring 9.10 one end of spring base is driven effect by bellows direct-drive
It is good, expand the scope of application of machine seal apparatus.
Be equipped with oblique groove 61 in bellows, spring base 10 is equipped with bulge loop 101, bulge loop 101, oblique groove 61 and axle sleeve 5 it
Between be provided with the washer 11 of soft graphite material, and clamped, thereby ensured that between bellows and spring base 10 with screw
Sealing, while connection bolt between the two being cooperated to improve the stability of its connection structure.
First stationary ring 7 includes main body 71 and the circular bar 72 in main body 71, and circular bar 72 is arranged towards step structure,
72 downside of circular bar and upside are respectively arranged with washer 11 and O-ring 12, guarantee the leakproofness of structure.It is fixed on cooling jacket 1
There is seal end plate 13, seal end plate 13 offsets with O-ring 12, and seal end plate 13 is bolted on cooling jacket 1 to limit
The displacement of stationary ring processed.
5 upper end of axle sleeve is equipped with oblique groove 61, and Upper shaft sleeve 5 is provided with bulge loop 101, is equipped between oblique groove 61 and bulge loop 101
Washer 11.Self-aligning roller bearing 14 is connected on the inside of bearing block 3, the inside of self-aligning roller bearing 14 is cased with axle sleeve 5.Bellows component
6 be graphite insert bellows structure.Rotating ring 9 is graphite insert rotating seat.Toroidal cavity is equipped in cooling jacket 1, it is cold to inject
But the liquid such as water improve the high and low temperature resistance of device.
Described above is only the explanation to utility model, so that those of ordinary skill in the art's can completely implements we
Case, but be not the limitation to utility model, those skilled in the art are can according to need after reading this specification to this
Embodiment makes the modification of not creative contribution, these are all without creative modification, but as long as in utility model
All by the protection of Patent Law in scope of the claims.
Claims (9)
1. a kind of Double End mechanical sealing device for cauldron of welding metal bellows, including the cooling from bottom to top set gradually
Water jacket (1), upper stationary seat (2), bearing block (3) and bearing gland (4), bearing block (3) inside is equipped with axle sleeve (5), described
Upper stationary seat (2), the cooling jacket (1) inner ring and the axle sleeve (5) outer ring surround a seal chamber, it is characterised in that: it is described
Bellows component (6), the first stationary ring (7), the second stationary ring (8) and rotating ring (9), first stationary ring (7) are equipped in seal chamber
Cooperate respectively with the step structure of the cooling jacket (1) and the upper stationary seat (2) with second stationary ring (8), described the
It is fixed with spring base (10) on the axle sleeve (5) between one stationary ring (7) and second stationary ring (8), the spring base (10)
One end is provided with the bellows component (6), the other end is equipped with the shifting fork structure cooperated with the rotating ring (9).
2. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
It is: is equipped with oblique groove (61) in the bellows, the spring base (10) is equipped with bulge loop (101), the bulge loop (101),
Washer (11) are provided between the oblique groove (61) and the axle sleeve (5).
3. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
Be: first stationary ring (7) includes main body (71) and the circular bar (72) on the main body (71), the circular bar
(72) it is arranged towards the step structure, on the downside of the circular bar (72) and upside is respectively arranged with washer (11) and O-ring
(12).
4. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 3, feature
It is: is fixed with seal end plate (13) on the cooling jacket (1), the seal end plate (13) offsets with the O-ring (12).
5. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
Be: axle sleeve (5) upper end is equipped with the oblique groove (61), and Upper shaft sleeve (5) is provided with the bulge loop (101), described tiltedly recessed
The washer (11) are equipped between slot (61) and the bulge loop (101).
6. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
It is: is connected to self-aligning roller bearing (14) on the inside of the bearing block (3), the inner sleeve of the self-aligning roller bearing (14) has described
Axle sleeve (5).
7. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
Be: the bellows component (6) is graphite insert bellows structure.
8. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
Be: the rotating ring (9) is graphite insert rotating seat.
9. a kind of Double End mechanical sealing device for cauldron of welding metal bellows according to claim 1, feature
It is: is equipped with toroidal cavity in the cooling jacket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698323.6U CN208237084U (en) | 2018-05-11 | 2018-05-11 | A kind of Double End mechanical sealing device for cauldron of welding metal bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698323.6U CN208237084U (en) | 2018-05-11 | 2018-05-11 | A kind of Double End mechanical sealing device for cauldron of welding metal bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208237084U true CN208237084U (en) | 2018-12-14 |
Family
ID=64582831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698323.6U Active CN208237084U (en) | 2018-05-11 | 2018-05-11 | A kind of Double End mechanical sealing device for cauldron of welding metal bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208237084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087364A (en) * | 2021-11-09 | 2022-02-25 | 无锡全世全流体科技有限公司 | Large axial float double-end-face mechanical sealing device for rake dryer |
-
2018
- 2018-05-11 CN CN201820698323.6U patent/CN208237084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087364A (en) * | 2021-11-09 | 2022-02-25 | 无锡全世全流体科技有限公司 | Large axial float double-end-face mechanical sealing device for rake dryer |
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