CN208587492U - One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron - Google Patents
One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron Download PDFInfo
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- CN208587492U CN208587492U CN201820698317.0U CN201820698317U CN208587492U CN 208587492 U CN208587492 U CN 208587492U CN 201820698317 U CN201820698317 U CN 201820698317U CN 208587492 U CN208587492 U CN 208587492U
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- ring
- stationary
- cauldron
- rotating ring
- strong corrosion
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Abstract
The utility model provides one kind and is able to bear strong corrosion Double End mechanical sealing device for cauldron, and inner ring, upper stationary seat end and axle sleeve outer ring including water jacket assembly form a seal chamber.Seal assembly is equipped in the seal chamber, the seal assembly includes the first rotating ring, the first stationary ring, the second rotating ring and the second stationary ring, spring pocket is equipped between first stationary ring and second stationary ring, it is connected between first rotating ring and second rotating ring and the spring pocket by shifting fork structure, it is equipped with Lower shaft sleeve on the inside of the axle sleeve, is fastened between the spring base, the axle sleeve and the Lower shaft sleeve by screw.There is the device strong corrosion resistant performance, sealing performance to stablize, applied widely.
Description
Technical field
The utility model relates to mechanical seal field more particularly to one kind be able to bear strong corrosion Double End vesselseals dress
It sets.
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.The medium of some mechanical seal structure contacts has very strong corrosivity, such as extracts the vacuum of corrosive gas or liquid
Pump, existing machinery sealing structure do not have corrosion resistance mostly, therefore in use, structure can gradually corrosion failure into
And influence sealing effect.
Utility model content
Utility model provides one kind and is able to bear strong corrosion Double End mechanical sealing device for cauldron, has strong corrosion resistant performance, close
Sealing property is stablized, applied widely.
In order to reach the purpose, utility model is adopted the following technical scheme that
One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron, the inner ring, upper stationary seat end including water jacket assembly with
Axle sleeve outer ring forms a seal chamber, it is characterised in that: seal assembly is equipped in the seal chamber, the seal assembly includes first
Rotating ring, the first stationary ring, the second rotating ring and the second stationary ring are equipped with spring base, institute between first stationary ring and second stationary ring
It states and is connected between the first rotating ring and second rotating ring and the spring base by shifting fork structure, is equipped with down on the inside of the axle sleeve
Axle sleeve is fastened between the spring base, the axle sleeve and the Lower shaft sleeve by screw.
As a preference, being equipped with spring in the spring base, the both ends of the spring is provided with throw-out collar, the throw-out collar and institute
State the first rotating ring and second rotating ring offset, first rotating ring, second rotating ring respectively with first stationary ring and institute
The second stationary ring is stated to offset.
As a preference, first rotating ring is made with the second rotating ring of silicon carbide material.
As a preference, the Lower shaft sleeve uses silicon carbide material, the Lower shaft sleeve and axle sleeve are fastened with screw.
As a preference, lower stationary seat is provided between the water jacket assembly and connecting flange, in the connecting flange
Circle cladding tetrafluoro material flange gasket and with lower stationary seat close-fitting.
As a preference, the first O-ring is arranged in the position that the connecting flange is engaged with the lower stationary seat, under described
The second O-ring is arranged in stationary seat and first stationary ring junction, and the 3rd O is arranged in first stationary ring and water jacket assembly position
Shape circle.
To sum up, compared with prior art, it is the advantages of utility model: passes through spiral shell between spring base, axle sleeve and Lower shaft sleeve
It clenches admittedly, spring base passes through shift fork and drives the first rotating ring and the second rotating ring, stable structure, reliable transmission；Connecting flange inner ring packet
Cover the flange gasket of tetrafluoro material and with lower stationary seat close-fitting, ensure that the sealing effect of mechanically-sealing apparatus.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Label in figure is as follows:
1. water jacket assembly, stationary seat on 2., 3. axle sleeves, 4. seal assemblies, 41. first rotating rings, 42. second rotating rings, 43.
One stationary ring, 44. second stationary rings, 5. spring bases, 51. springs, 6. Lower shaft sleeves, 7. throw-out collars, 8. lower stationary seats, 9. connecting flanges, 10.
First O-ring, 11. second O-rings, 12. third O-rings.
Specific embodiment
Middle embodiment is described further utility model with reference to the accompanying drawing.
One kind as shown in Figure 1 is able to bear strong corrosion Double End mechanical sealing device for cauldron, inner ring including water jacket assembly 1, on
2 end of stationary seat and 3 outer ring of axle sleeve form a seal chamber.Seal assembly 4 is equipped in seal chamber, seal assembly 4 includes first dynamic
Ring 41, the first stationary ring 43, the second rotating ring 42 and the second stationary ring 44 are equipped with spring base 5 between first stationary ring 43 and the second stationary ring 44,
It is connected between first rotating ring 41 and the second rotating ring 42 and spring base 5 by shifting fork structure, Lower shaft sleeve 6, bullet is equipped on the inside of axle sleeve 3
It is fastened between spring abutment 5, axle sleeve 3 and Lower shaft sleeve 6 by screw.It is fastened between spring base 5, axle sleeve 3 and Lower shaft sleeve 6 by screw,
Spring base 5 drives the first rotating ring 41 and the second rotating ring 42, overall structure stabilization, reliable transmission by shift fork.
Spring 51 is equipped in spring base 5,51 both ends of spring are provided with throw-out collar 7, throw-out collar 7 and the first rotating ring 41 and the second rotating ring
42 offset, and the first rotating ring 41, the second rotating ring 42 offset with the first stationary ring 43 and the second stationary ring 44 respectively.First rotating ring 41 and second
42 structure of rotating ring is identical and is symmetrical arranged along 51, spring, and the load distribution acted on two shift forks on 51, spring is equal
Even, structure monolithic stability is reliable.
First rotating ring 41 is made with the second rotating ring 42 of silicon carbide material, and stable chemical performance, wear-resisting property are good.Lower axle
Set 6 uses silicon carbide material, and Lower shaft sleeve 6 is fastened with axle sleeve 3 with screw, connects into a transmission component with axle sleeve 3.
The lower stationary seat 8 using silicon carbide material, 9 inner ring of connecting flange are provided between water jacket assembly 1 and connecting flange 9
Coat tetrafluoro material flange gasket and with lower 8 close-fitting of stationary seat.It ensure that the sealing effect of mechanically-sealing apparatus, the scope of application
Extensively.
The first O-ring 10 is arranged in the position that connecting flange 9 is engaged with lower stationary seat 8, and lower stationary seat 8 connects with the first stationary ring 43
It closes position and the second O-ring 11 is set, third O-ring 12 is arranged with 1 position of water jacket assembly in the first stationary ring 43.
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 (6)
- The Double End mechanical sealing device for cauldron 1. one kind is able to bear strong corrosion, inner ring, upper stationary seat (2) end including water jacket assembly (1) The seal chamber in portion and axle sleeve (3) outer ring composition, it is characterised in that: seal assembly (4) are equipped in the seal chamber, the sealing group Part (4) includes the first rotating ring (41), the first stationary ring (43), the second rotating ring (42) and the second stationary ring (44), first stationary ring (43) spring base (5) are equipped between second stationary ring (44), the described first dynamic (41) ring and second rotating ring (42) It is connect between the spring base (5) by shifting fork structure, is equipped with Lower shaft sleeve (6) on the inside of the axle sleeve (3), the spring base (5), it is fastened between the axle sleeve (3) and the Lower shaft sleeve (6) by screw.
- The Double End mechanical sealing device for cauldron 2. one kind according to claim 1 is able to bear strong corrosion, it is characterised in that: it is described Spring (51) are equipped in spring base (5), spring (51) both ends are provided with throw-out collar (7), and the throw-out collar (7) is dynamic with described first (41) ring and second rotating ring (42) offset, and described first dynamic (41) ring, second rotating ring (42) are respectively with described first Stationary ring (43) and second stationary ring (44) offset.
- The Double End mechanical sealing device for cauldron 3. one kind according to claim 1 is able to bear strong corrosion, it is characterised in that: it is described The first rotating ring (41) be made with the second rotating ring (42) of silicon carbide material.
- The Double End mechanical sealing device for cauldron 4. one kind according to claim 1 is able to bear strong corrosion, it is characterised in that: it is described Lower shaft sleeve (6) uses silicon carbide material, and the Lower shaft sleeve (6) is fastened with axle sleeve (3) with screw.
- The Double End mechanical sealing device for cauldron 5. one kind according to claim 1 is able to bear strong corrosion, it is characterised in that: it is described It is provided between water jacket assembly (1) and connecting flange (9) lower stationary seat (8), connecting flange (9) inner ring coats tetrafluoro material Flange gasket and with lower stationary seat (8) close-fitting.
- The Double End mechanical sealing device for cauldron 6. one kind according to claim 5 is able to bear strong corrosion, it is characterised in that: it is described The first O-ring (10) are arranged in position that connecting flange (9) is engaged with the lower stationary seat (8), the lower stationary seat (8) with it is described The second O-ring (11) are arranged in first stationary ring (43) junction, first stationary ring (43) and water jacket assembly (1) position setting the Three O-rings (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698317.0U CN208587492U (en) | 2018-05-11 | 2018-05-11 | One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698317.0U CN208587492U (en) | 2018-05-11 | 2018-05-11 | One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587492U true CN208587492U (en) | 2019-03-08 |
Family
ID=65534386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698317.0U Active CN208587492U (en) | 2018-05-11 | 2018-05-11 | One kind is able to bear strong corrosion Double End mechanical sealing device for cauldron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587492U (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 CN201820698317.0U patent/CN208587492U/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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