CN206972605U - A kind of high temperature oil mechanical sealing device used for pump - Google Patents
A kind of high temperature oil mechanical sealing device used for pump Download PDFInfo
- Publication number
- CN206972605U CN206972605U CN201720875506.6U CN201720875506U CN206972605U CN 206972605 U CN206972605 U CN 206972605U CN 201720875506 U CN201720875506 U CN 201720875506U CN 206972605 U CN206972605 U CN 206972605U
- Authority
- CN
- China
- Prior art keywords
- ring
- stationary ring
- gland
- mechanical sealing
- axle sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mechanical Sealing (AREA)
Abstract
A kind of high temperature oil mechanical sealing device used for pump is the utility model is related to, including：Axle, axle sleeve, the first mechanical sealing mechanism, the second mechanical sealing mechanism, pump cover, left gland and right gland, first mechanical sealing mechanism include：Bellows component, the first rotating ring and the first stationary ring, primary sealing area is formed between first rotating ring and the first stationary ring, the outer sheath of the bellows component is provided with screw-casing, gap of damming is formed between the screw-casing and pump cover, the outside of first stationary ring is provided with stationary ring pressing plate, and second mechanical sealing mechanism includes：Spring base, the second rotating ring and the second stationary ring, secondary sealing area is formed between second rotating ring and the second stationary ring, spring and throw-out collar are provided between second rotating ring and spring base, the second stationary ring circle is provided between second stationary ring and right gland, the outside of the spring base is provided with pumping ring, the side of the axle sleeve is provided with drive ring, so as to substantially reduce the temperature of seal, avoids seal failure.
Description
【Technical field】
It the utility model is related to mechanical seal field, and in particular to a kind of high temperature oil mechanical sealing device used for pump.
【Background technology】
Mechanical seal is a kind of gland seal device of rotating machinery.For example centrifugal pump, centrifuge, reactor and compressor etc. are set
It is standby.Because power transmission shaft is applied in inside and outside equipment, so, a circumferential clearance between axle and equipment be present, the medium in equipment leads to
The gap is crossed to outward leakage, if pressure subatmospheric in equipment, air are revealed into equipment, it is therefore necessary to have a resistance
The gland seal device of stopping leak dew.The species of axle envelope is a lot, because mechanical seal has the advantages that leakage rate is few and long lifespan, so ought
Modern mechanical seal in the world is in the most important sealing mode of these equipment.High temperature oil pump is because apply to high temperature oil, institute
To require higher for the heat-resisting ability of its mechanically-sealing apparatus.
【Utility model content】
To solve the above problems, the purpose of this utility model be to provide one kind being capable of resistant to elevated temperatures high temperature oil pump machinery
Sealing device.
To achieve the above object, the technical scheme that the utility model is taken is：A kind of high temperature oil mechanical sealing device used for pump,
Including：Axle, axle sleeve, the first mechanical sealing mechanism, the second mechanical sealing mechanism, pump cover, left gland and right gland, the axle and axle
Sleeve sealing circle is provided between set, is connected between the left gland, right gland and pump cover by the first fixture, first machine
Tool sealing mechanism includes：Bellows component, the first rotating ring and the first stationary ring, first rotating ring are arranged in bellows component,
Primary sealing area is formed between first rotating ring and the first stationary ring, the outer sheath of the bellows component is provided with screw-casing, institute
State and connected between screw-casing and bellows component and axle sleeve by the second fixture, formed and dammed between the screw-casing and pump cover
Gap, the outside of first stationary ring are provided with stationary ring pressing plate, and one end of the stationary ring pressing plate is sheathed on the outside of screw-casing, described
Connected between the other end of stationary ring pressing plate and left gland by the 3rd fixture, the is provided between first stationary ring and left gland
One stationary ring circle, included between first stationary ring and left gland by pin connection, second mechanical sealing mechanism：Spring base,
Second rotating ring and the second stationary ring, second rotating ring are arranged in spring base, are formed between second rotating ring and the second stationary ring
Secondary sealing area, spring and throw-out collar are provided between second rotating ring and spring base, is provided between second rotating ring and axle sleeve
Rotating ring circle, by pin connection between second stationary ring and right gland, it is quiet that second is provided between second stationary ring and right gland
Ring, the outside of the spring base is provided with pumping ring, connected between the pumping ring and spring base by the 4th fixture, described
The side of axle sleeve is provided with drive ring, is connected between the drive ring and axle sleeve by the 5th fixture, the pump cover and bellows
The first annular seal space communicated with primary sealing area is formed between component, the left gland is provided with the flushing communicated with first annular seal space
Entrance and flushing outlet, the second annular seal space communicated with secondary sealing area, institute are provided between the left gland, right gland and axle sleeve
State right gland and be provided with the buffer inlet communicated with the second annular seal space and buffer solution outlet.
Preferably, a kind of high temperature oil mechanical sealing device used for pump in the utility model is further arranged to：The right pressure
One end of lid is provided with installation sheet, is connected by screw between the installation sheet and right gland.
Preferably, a kind of high temperature oil mechanical sealing device used for pump in the utility model is further arranged to：The left pressure
Spiral wound gasket is provided between lid and pump cover
Compared with prior art, the utility model has the advantages that：Sealing device in the utility model passes through
Two mechanical sealing mechanisms are set, and so as to substantially increase sealing property, the mechanically-sealing apparatus in the utility model leads in addition
The flushing entrance and flushing outlet that setting communicates with first annular seal space on left gland are crossed, is provided with right gland and the second sealing
Buffer inlet and the buffer solution outlet that chamber communicates, so as to substantially reduce the temperature of seal, avoid seal failure, furthermore this
Mechanically-sealing apparatus in utility model between pump cover and screw-casing by being provided with gap of damming, so as to prevent oil stream from entering machine
In tool sealing device.
【Brief description of the drawings】
Fig. 1 is the structural representation of the utility model high temperature oil mechanical sealing device used for pump.
In Fig. 1：1st, axle, 2, axle sleeve, 20, sleeve sealing circle, the 3, first mechanical sealing mechanism, 30, bellows component, 31,
First rotating ring, the 32, first stationary ring, 33, screw-casing, 34, stationary ring pressing plate, the 35, first stationary ring circle, the 4, second mechanical sealing mechanism,
40th, spring base, the 41, second rotating ring, the 42, second stationary ring, 43, spring, 44, throw-out collar, 45, rotating ring circle, the 46, second stationary ring circle, 47,
Pump ring, 5, pump cover, 50, gap of damming, 51, spiral wound gasket, 52, first annular seal space, 6, left gland, 60, rinse entrance,
61st, flushing outlet, 7, right gland, the 70, second annular seal space, 71, buffer inlet, 72, buffer solution outlet, 8, drive ring, 9, peace
Load.
【Embodiment】
Join shown in Fig. 1, a kind of high temperature oil mechanical sealing device used for pump, including：Axle 1, axle sleeve 2, the first mechanical sealing mechanism
3rd, the second mechanical sealing mechanism 4, pump cover 5, left gland 6 and right gland 7, sleeve sealing circle is provided between the axle 1 and axle sleeve 2
20, connected between the left gland 6, right gland 7 and pump cover 5 by studs and hex nut, the hex nut and the right side
Plain washer and spring washer are provided between gland 7.
First mechanical sealing mechanism 3 includes：Bellows component 30, the first rotating ring 31 and the first stationary ring 32, described
One rotating ring 31 is arranged in bellows component 30, forms primary sealing area between the stationary ring 32 of the first rotating ring 31 and first, institute
The outer sheath for stating bellows component 30 is provided with screw-casing 33, passes through between the screw-casing 33 and bellows component 30 and axle sleeve 2
Soket head cap screw is connected, and gap 50 of damming is formed between the screw-casing 33 and pump cover 5, and the gap 50 of damming can prevent left side
Oil flow to the right, the outside of first stationary ring 32 is provided with stationary ring pressing plate 34, and one end of the stationary ring pressing plate 34 is sheathed on spiral
The outside of set 33, is connected between the other end and left gland 6 of the stationary ring pressing plate 34 by hexagon socket cap head screw, and described the
The first stationary ring circle 35 is provided between one stationary ring 32 and left gland 6, passes through pin connection between first stationary ring 32 and left gland 6.
Second mechanical sealing mechanism 4 includes：Spring base 40, the second rotating ring 41 and the second stationary ring 42, described second is dynamic
Ring 41 is arranged in spring base 40, and secondary sealing area is formed between the stationary ring 42 of the second rotating ring 41 and second, and described second is dynamic
Spring 43 and throw-out collar 44 are provided between ring 41 and spring base 40, rotating ring circle 45, institute are provided between second rotating ring 41 and axle sleeve 2
State between the second stationary ring 42 and right gland 7 by pin connection, the second stationary ring circle is provided between second stationary ring 42 and right gland 7
46, the outside of the spring base 40 is provided with pumping ring 47, tight by interior hexagonal female end between the pumping ring 47 and spring base 40
Determine mode connects for screw, the side of the axle sleeve 2 is provided with drive ring 8, connected between the drive ring 8 and axle sleeve 2 by hexagon-headed bolt
Connect.One end of the right gland 7 is provided with installation sheet 9, is connected by screw between the installation sheet 9 and right gland 7.The left pressure
Spiral wound gasket 51 is provided between lid 6 and pump cover 5.Formed and primary sealing area phase between the pump cover 5 and bellows component 30
Logical first annular seal space 52, the left gland 6 are provided with the flushing entrance 60 communicated with first annular seal space 52 and flushing outlet 61.It is cold
But medium enters first annular seal space 52 from entrance 60 is rinsed, and then makes the cooling medium in first annular seal space 52 by screw-casing 33
Circulation, so as to take away the heat of the first mechanical sealing mechanism 3, the cooling medium with heat is gone out by outside from flushing outlet
Enter again from flushing entrance in first annular seal space 52 after heat exchanger cooling, circulation is formed with this, so as to greatly reduce the first machine
The temperature of tool sealing mechanism 3, it is close that second communicated with secondary sealing area is provided between the left gland 6, right gland 7 and axle sleeve 2
Chamber 70 is sealed, the right gland 7 is provided with the buffer inlet 71 communicated with the second annular seal space 70 and buffer solution outlet 72.
In summary, the sealing device in the utility model is by setting two mechanical sealing mechanisms, so as to greatly improve
Sealing property, in addition the mechanically-sealing apparatus in the utility model communicated by being set on left gland with first annular seal space
Entrance and flushing outlet are rinsed, the buffer inlet communicated with the second annular seal space and buffer solution outlet are provided with right gland, from
And the temperature of seal can be substantially reduced, seal failure is avoided, furthermore the mechanically-sealing apparatus in the utility model passes through in pump
Gap of damming is provided between lid and screw-casing, so as to prevent oil stream from entering in mechanically-sealing apparatus.
Embodiment above is only the preferred embodiment of this creation, all in this wound not to limit this creation
Any modification, equivalent substitution and improvements for being done etc. within the spirit and principle of work, should be included in this creation protection domain it
It is interior.
Claims (3)
- A kind of 1. high temperature oil mechanical sealing device used for pump, it is characterised in that including：Axle, axle sleeve, the first mechanical sealing mechanism, Two mechanical sealing mechanisms, pump cover, left gland and right gland, are provided with sleeve sealing circle between the axle and axle sleeve, the left gland, Connected between right gland and pump cover by the first fixture, first mechanical sealing mechanism includes：Bellows component, first move Ring and the first stationary ring, first rotating ring are arranged in bellows component, and is formed between first rotating ring and the first stationary ring One sealing surface, the outer sheath of the bellows component are provided with screw-casing, lead between the screw-casing and bellows component and axle sleeve The connection of the second fixture is crossed, gap of damming is formed between the screw-casing and pump cover, the outside of first stationary ring is provided with stationary ring Pressing plate, one end of the stationary ring pressing plate are sheathed on the outside of screw-casing, lead between the other end and left gland of the stationary ring pressing plate The connection of the 3rd fixture is crossed, the first stationary ring circle, first stationary ring and left gland are provided between first stationary ring and left gland Between included by pin connection, second mechanical sealing mechanism：Spring base, the second rotating ring and the second stationary ring, described second is dynamic Ring is arranged in spring base, and secondary sealing area, second rotating ring and spring are formed between second rotating ring and the second stationary ring Be provided with spring and throw-out collar between seat, be provided with rotating ring circle between second rotating ring and axle sleeve, second stationary ring and right gland it Between by pin connection, the second stationary ring circle is provided between second stationary ring and right gland, the outside of the spring base is provided with pumping Ring, connected between the pumping ring and spring base by the 4th fixture, the side of the axle sleeve is provided with drive ring, the driving Connected between ring and axle sleeve by the 5th fixture, form what is communicated with primary sealing area between the pump cover and bellows component First annular seal space, the left gland are provided with the flushing entrance communicated with first annular seal space and flushing outlet, the left gland, right pressure Cover with being provided with the second annular seal space communicated with secondary sealing area between axle sleeve, the right gland is provided with what is communicated with the second annular seal space Buffer inlet and buffer solution outlet.
- A kind of 2. high temperature oil mechanical sealing device used for pump as claimed in claim 1, it is characterised in that：One end of the right gland Provided with installation sheet, it is connected by screw between the installation sheet and right gland.
- A kind of 3. high temperature oil mechanical sealing device used for pump as claimed in claim 1, it is characterised in that：The left gland and pump cover Between be provided with spiral wound gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875506.6U CN206972605U (en) | 2017-07-19 | 2017-07-19 | A kind of high temperature oil mechanical sealing device used for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875506.6U CN206972605U (en) | 2017-07-19 | 2017-07-19 | A kind of high temperature oil mechanical sealing device used for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972605U true CN206972605U (en) | 2018-02-06 |
Family
ID=61403793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875506.6U Expired - Fee Related CN206972605U (en) | 2017-07-19 | 2017-07-19 | A kind of high temperature oil mechanical sealing device used for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972605U (en) |
-
2017
- 2017-07-19 CN CN201720875506.6U patent/CN206972605U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109882431A (en) | A kind of high heat radiating type ventilation equipment of safety coefficient for coal chemical industry | |
| CN105953000B (en) | Middle pressure high-speed joint | |
| CN104863890A (en) | Mechanical seal device for high-temperature and high-pressure forced hot water circulating pump | |
| CN206738156U (en) | A kind of new No leakage roots blower sealing device | |
| CN206972605U (en) | A kind of high temperature oil mechanical sealing device used for pump | |
| CN206972589U (en) | A kind of deep fat mechanical sealing device used for pump | |
| CN211874827U (en) | Prevent centrifugal fan of high temperature usage that leaks | |
| CN207178688U (en) | A kind of rotary kiln kiln head and tail sealing device | |
| CN203770439U (en) | Spline connecting structure for servo motor | |
| CN102313096A (en) | Reverse spherical surface type rotary joint | |
| CN204663957U (en) | High Temperature High Pressure forces hot water circuit mechanical sealing device used for pump | |
| CN206972604U (en) | A kind of mechanically-sealing apparatus for easy crystal medium | |
| CN206972918U (en) | A kind of rotating ring common type mechanically-sealing apparatus | |
| CN207229468U (en) | A kind of horizontal vortex pump with cooling pre-washing function | |
| CN102673121A (en) | Rotary heating pipe cooling type ink-pumping roll | |
| CN210661294U (en) | Shaft end fastening sealing and combined type dustproof structure and gearbox | |
| CN207316298U (en) | The special joint of rotary air heater | |
| CN203734452U (en) | Electric vehicle planetary gear reducer | |
| CN106523539A (en) | Dynamic sealing device for oily sludge treatment equipment for oil field | |
| CN207892875U (en) | Vertical long pump for liquid salts carries oil lubrication device | |
| CN106286837A (en) | A kind of sealing device | |
| CN207454104U (en) | The connecting flange of novel energy internal combustion engine | |
| CN206972602U (en) | A kind of high-temperature water mechanical sealing device used for pump | |
| CN108087323A (en) | A kind of centrifugal blower oil-sealing arrangement | |
| CN206972603U (en) | A kind of slurry mechanical sealing device used for pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190719 |