CN206377022U - A kind of self-lubricating mechanical sealing - Google Patents
A kind of self-lubricating mechanical sealing Download PDFInfo
- Publication number
- CN206377022U CN206377022U CN201720020511.9U CN201720020511U CN206377022U CN 206377022 U CN206377022 U CN 206377022U CN 201720020511 U CN201720020511 U CN 201720020511U CN 206377022 U CN206377022 U CN 206377022U
- Authority
- CN
- China
- Prior art keywords
- ring
- oil
- stationary
- axle sleeve
- spring
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of self-lubricating mechanical sealing, the mechanical seal includes axle sleeve, stationary ring, stationary seat, rotating ring, spring and rotating seat, and the stationary seat is provided with oil groove；The spring is wave spring, and the utility model is simple in construction, employs the mechanical seal of the double outside framework oil seals of single end face so that the maximum working pressure of the pump housing is up to 5MPa, it is ensured that sealing effectiveness, it is to avoid dielectric leakage, serves the effect of environmental protection；Oil lubrication is provided without plug-in hydraulic system, it is a certain degree of to reduce energy consumption, play a part of energy-conservation；Spring is wave spring, and wave spring is not likely to produce deformation and will not produce inclination, further avoids the leakage of medium.
Description
Technical field
The utility model is related to a kind of pump housing, and in particular to a kind of self-lubricating mechanical sealing.
Background technology
Pump is the machinery for conveying liquid or being pressurized liquid.It sends the mechanical energy of prime mover or other external energies to
Liquid, increases liquid energy.Pump is mainly used to the liquid such as conveying water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid metal,
Also liquid, gas mixture and the liquid containing suspended solids can be conveyed.Screw pump is volume type rotor pump, it be rely on by screw rod and
The volume of the annular seal space of bushing formation changes to suck and discharge liquid.Screw pump by screw rod number be divided into single-screw (single screw) pump, it is double,
Three and five-screw pump.The characteristics of screw pump is flow trim, pressure fluctuation is small, have low suction capacity, noise, efficiency high, life-span
Long, reliable operation；And advantage that it is protruded does not form vortex, to the sticky insensitive of medium when being pumped (conveying) medium, can convey height
Viscous media.In current screw pump, mechanical seal relies primarily on medium lubrication, and this mode is to prevent dielectric leakage,
Requirement to mechanical seal is higher, and using after a period of time, due to the spring at rotating ring（Rotating ring in current mechanical seal
Place is general to provide pressure by multiple little springs）Deformation or inclination, the pump housing tend to produce leakage；Another way be according to
Outer extension hydraulic system provides oil lubrication, and this mode make it that the structure of the pump housing is complex, and production difficulty is increased,
Cost increase.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of self-lubricating mechanical sealing, solves prior art machinery
Sealing, which relies primarily on medium lubrication, causes the pump housing to tend to produce leakage and provide lubrication by plug-in hydraulic system
Oil lubrication causes the problem of structure of the pump housing is complex.
The utility model is achieved through the following technical solutions：
A kind of self-lubricating mechanical sealing, the mechanical seal includes axle sleeve, stationary ring, stationary seat, rotating ring, spring and rotating ring
Seat, the stationary seat is provided with oil groove；The spring is wave spring.
The further improvement project of the utility model is that the top surface of the oil groove is in contact with axle sleeve, and the inner side of oil groove is by quiet
Protruding block closing in ring seat, the outside of oil groove is closed by outside framework oil seal.
The further improvement project of the utility model is that the top that the stationary seat is located at oil groove is provided with oil-feed intercommunicating pore, position
Fuel-displaced intercommunicating pore is provided with the lower section of oil groove.
The utility model further improvement project is that the stationary seat is fixedly connected on pedestal, the pedestal be located at into
The top of oily intercommunicating pore is provided with oil filler point, and the lower section that pedestal is located at fuel-displaced intercommunicating pore is provided with drain oil, oil filler point and drain oil by
Plug screw is sealed.
The utility model further improvement project is that the axle sleeve is placed on pump shaft, and axle sleeve is from inside to outside thereon successively
It is cased with rotating seat, spring, removable insole pieces, rotating ring, stationary ring, stationary seat, outside framework oil seal and adjusting nut.
The utility model further improvement project is that the rotating seat is fixedly connected with axle sleeve by screw A；Spring,
Removable insole pieces and rotating ring are in rotating seat, and spring is pressed in removable insole pieces, and removable insole pieces are pressed on the medial surface of rotating ring, move
The lateral surface of ring is pressed on the medial surface of stationary ring, and stationary ring is located in stationary seat；Outside framework oil seal be two, and two outside framework oil seals by
Back-up ring is stuck in stationary seat, by the lateral surface of the medial surface of the outside framework oil seal of inner side, the bottom surface of oil groove and right flank and axle sleeve
Enclosed space one oil storage cavity of formation；The outermost end of axle sleeve is connection bump, and connection bump is provided with screwed hole, interior hexagonal spiral shell
Nail is threadedly coupled with the screwed hole is fixed on axle sleeve on pump shaft, and connection bump is threadedly coupled with adjusting nut, and adjusting nut is set
There is fixing screws B.
The utility model further improvement project is that the material of the outside framework oil seal is fluorubber.
The utility model further improvement project is that O-ring A, the stationary seat are provided between the axle sleeve and pump shaft
Two ends and pedestal between provided with O-ring B and O-ring C, O-ring C, the rotating ring, activity mat are provided between stationary seat and stationary ring
O-ring D is provided between piece and axle sleeve.
The utility model further improvement project is that the spring is the thin slice annular resilient that some Wave crest and wave troughs are constituted
Hardware.
The utility model compared with prior art, has the following advantages that：
1st, the utility model is simple in construction, employs the mechanical seal of the double outside framework oil seals of single end face so that the highest of the pump housing
Operating pressure is up to 5MPa, it is ensured that sealing effectiveness, it is to avoid dielectric leakage, serves the effect of environmental protection；Mechanical seal and pump chamber
Isolation, from oil filler point toward oil groove in inject lubricating oil, serve independent lubricating effect, independent of beaten medium lubricate, it is to avoid
Original mechanical seal is connected with pump chamber lubricates the problem of easily leaking by medium, now in the case of without medium, still
Can be dallied normal operation, and can normally be run without plug-in hydraulic system through testing the mechanical seal, without outer
Hang hydraulic system and oil lubrication is provided, it is a certain degree of to reduce energy consumption, play a part of energy-conservation；
2nd, the oily independent lubricating in oil groove, independent of beaten medium lubrication, when conveying crude oil, it can be ensured that in bunker
Crude oil is completely transported；
3rd, spring is wave spring, and wave spring is not likely to produce deformation and will not produce inclination, further avoids the leakage of medium；
4th, outside framework oil seal is two, and its material is fluorubber, and the introducing of fluorine atom assigns the excellent heat resistance of rubber, resisted
Oxidisability, oil resistivity, corrosion resistance and resistance to weathering, it is ensured that the sealing at outside framework oil seal；
5th, O-ring is installed additional in all possible leakage point, it is ensured that sealing effectiveness.
The utility model is described further with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of mechanical seal.
Fig. 3 is wave spring schematic diagram.
Embodiment
It is " inner side " towards pump body in description of the present utility model, is " outside " towards pump housing outside, and be only
It is easy to describe the utility model, rather than indicates or imply that signified device or element there must be a specific orientation.In addition,
Term " rotating seat B ", " O-ring A ", " O-ring B ", " O-ring C " etc. is only used for describing purpose, and it is not intended that indicating or dark
Show relative importance.
As shown in Figure 1, Figure 2 and shown in Fig. 3, mechanical seal 102 described in the utility model includes axle sleeve 1, stationary ring 15, stationary ring
Seat 16, rotating ring 14, spring 12 and rotating seat 11, the stationary seat 16 are provided with oil groove 17；The spring 12 is wave spring, institute
The top surface for stating oil groove 17 is in contact with axle sleeve 1, the protruding block closing of the inner side of oil groove 17 on stationary seat 16, the outside of oil groove 17
Closed by outside framework oil seal 5, the top that the stationary seat 16 is located at oil groove 17 is provided with oil-feed intercommunicating pore, and the lower section positioned at oil groove 17 is set
There is fuel-displaced intercommunicating pore, the stationary seat 16 is fixedly connected on pedestal 103, the pedestal 103, which is located above oil-feed intercommunicating pore, to be set
There is oil filler point 111, the lower section that pedestal 103 is located at fuel-displaced intercommunicating pore is provided with drain oil 113, and oil filler point 111 is with drain oil 113 by spiral shell
Plug 112 is sealed, and the axle sleeve 1 is placed on pump shaft 101, and axle sleeve 1 is cased with rotating seat 11, spring 12, lived successively thereon from inside to outside
Mobile gasket 13, rotating ring 14, stationary ring 15, stationary seat 16, outside framework oil seal 5 and adjusting nut 19, the rotating seat 11 lead to axle sleeve 1
Screw A10 is crossed to be fixedly connected；Spring 12, removable insole pieces 13 and rotating ring 14 are in rotating seat 11, and spring 12 is pressed on activity mat
On piece 13, removable insole pieces 13 are pressed on the medial surface of rotating ring 14, and the lateral surface of rotating ring 14 is pressed on the medial surface of stationary ring 15, stationary ring
15 are located in stationary seat 16；Outside framework oil seal 5 is two, and two outside framework oil seals 5 are stuck in stationary seat 16 by back-up ring 18, by inner side
Outside framework oil seal 5 medial surface, the bottom surface of oil groove 17 and right flank and axle sleeve 1 lateral surface enclosed space formation one oil storage
Cavity；The outermost end of axle sleeve 1 is connection bump, and connection bump is provided with screwed hole, and soket head cap screw 3 connects with the screwed hole screw thread
Connect and axle sleeve 1 is fixed on pump shaft 101, connection bump is threadedly coupled with adjusting nut 19, adjusting nut 19 is provided with fixing screws
B4, the material of the outside framework oil seal 5 is fluorubber, and O-ring A2, the stationary seat 16 are provided between the axle sleeve 1 and pump shaft 101
Two ends and pedestal 103 between provided with O-ring B6 and O-ring C7, it is described provided with O-ring C8 between stationary seat 16 and stationary ring 15
O-ring D9 is provided between rotating ring 14, removable insole pieces 13 and axle sleeve 1, the spring 12 is the thin slice that some Wave crest and wave troughs are constituted
Annular resilient hardware.
The installation steps of mechanical seal 102：1st, outside framework oil seal 5 loads stationary seat 16, installs back-up ring 18；2nd, stationary ring 15 is filled
Enter stationary seat 16；3rd, axle sleeve 1 loads in stationary seat 16；4th, wave spring 12 is put into rotating seat 11, and is installed after removable insole pieces 13,
Rotating ring 14 is put into rotating seat 11；5th, rotating seat 11 is placed on axle sleeve 1, and is consolidated rotating seat 11 with axle sleeve 1 by screw A10
Fixed connection.
The step of mechanical seal 102 is installed to pedestal 103：1st, mechanical seal 102 loads in pedestal 103（That is stationary seat
16 are fixedly connected on pedestal 103）；2nd, pedestal 103 is loaded on pump shaft 101（Pedestal 103 is fixedly connected with the pump housing）；3rd, revolve
Turn adjusting nut 19 so that spring 12 is to required decrement；4th, soket head cap screw 3 is tightened so that axle sleeve 1 is fixedly connected on pump shaft
101；5th, screwing out adjusting nut makes its lateral surface be alignd with the lateral surface of axle sleeve, and the adjusting nut 19 that then tightening screw B4 is is consolidated
On fixed and axle sleeve 1.
From above-mentioned installation steps, mechanical seal 102 described in the utility model is quick and easy for installation, and adjustment spring
12 decrement is equally convenient and swift.
It should be pointed out that for those skilled in the art, not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of self-lubricating mechanical sealing, the mechanical seal（102）Including axle sleeve（1）, stationary ring（15）, stationary seat（16）, it is dynamic
Ring（14）, spring（12）And rotating seat（11）, it is characterised in that：The stationary seat（16）It is provided with oil groove（17）；The bullet
Spring（12）For wave spring.
2. a kind of self-lubricating mechanical sealing according to claim 1, it is characterised in that：The oil groove（17）Top surface and axle
Set（1）It is in contact, oil groove（17）Inner side by stationary seat（16）On protruding block closing, oil groove（17）Outside by outside framework oil seal
（5）Closing.
3. a kind of self-lubricating mechanical sealing according to claim 1 or 2, it is characterised in that：The stationary seat（16）It is located at
Oil groove（17）Top be provided with oil-feed intercommunicating pore, positioned at oil groove（17）Lower section be provided with fuel-displaced intercommunicating pore.
4. a kind of self-lubricating mechanical sealing according to claim 3, it is characterised in that：The stationary seat（16）It is fixedly connected
In pedestal（103）On, the pedestal（103）Oil filler point is provided with positioned at the top of oil-feed intercommunicating pore（111）, pedestal（103）It is located at
The lower section of oily intercommunicating pore is provided with drain oil（113）, oil filler point（111）With drain oil（113）By plug screw（112）Sealing.
5. a kind of self-lubricating mechanical sealing according to claim 4, it is characterised in that：The axle sleeve（1）It is placed on pump shaft
（101）On, axle sleeve（1）It is cased with rotating seat successively thereon from inside to outside（11）, spring（12）, removable insole pieces（13）, rotating ring（14）、
Stationary ring（15）, stationary seat（16）, outside framework oil seal（5）And adjusting nut（19）.
6. a kind of self-lubricating mechanical sealing according to claim 5, it is characterised in that：The rotating seat（11）With axle sleeve
（1）Pass through screw A（10）It is fixedly connected；Spring（12）, removable insole pieces（13）And rotating ring（14）Located at rotating seat（11）It is interior, bullet
Spring（12）It is pressed on removable insole pieces（13）On, removable insole pieces（13）It is pressed on rotating ring（14）Medial surface on, rotating ring（14）Lateral surface
It is pressed on stationary ring（15）Medial surface on, stationary ring（15）Positioned at stationary seat（16）It is interior；Outside framework oil seal（5）For two, and two skeletons
Oil sealing（5）By back-up ring（18）It is stuck in stationary seat（16）It is interior, the outside framework oil seal by inner side（5）Medial surface, oil groove（17）Bottom surface
With right flank and axle sleeve（1）Lateral surface enclosed space formation one oil storage cavity；Axle sleeve（1）Outermost end for connect it is convex
Rise, connection bump is provided with screwed hole, soket head cap screw（3）It is threadedly coupled with the screwed hole by axle sleeve（1）It is fixed on pump shaft
（101）On, connection bump and adjusting nut（19）Threaded connection, adjusting nut（19）Provided with fixing screws B（4）.
7. a kind of self-lubricating mechanical sealing according to claim 6, it is characterised in that：The outside framework oil seal（5）Material
For fluorubber.
8. a kind of self-lubricating mechanical sealing according to claim 7, it is characterised in that：The axle sleeve（1）With pump shaft（101）
Between be provided with O-ring A（2）, the stationary seat（16）Two ends and pedestal（103）Between be provided with O-ring B（6）With O-ring C
（7）, stationary seat（16）With stationary ring（15）Between be provided with O-ring C（8）, the rotating ring（14）, removable insole pieces（13）And axle sleeve
（1）Between be provided with O-ring D（9）.
9. a kind of self-lubricating mechanical sealing according to claim 1 or 8, it is characterised in that：The spring（12）To be some
The thin slice annular resilient hardware that Wave crest and wave trough is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020511.9U CN206377022U (en) | 2017-01-09 | 2017-01-09 | A kind of self-lubricating mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020511.9U CN206377022U (en) | 2017-01-09 | 2017-01-09 | A kind of self-lubricating mechanical sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377022U true CN206377022U (en) | 2017-08-04 |
Family
ID=59403416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720020511.9U Withdrawn - After Issue CN206377022U (en) | 2017-01-09 | 2017-01-09 | A kind of self-lubricating mechanical sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206377022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762621A (en) * | 2017-01-09 | 2017-05-31 | 江苏鸿胜泵业科技有限公司 | A kind of self-lubricating mechanical sealing |
-
2017
- 2017-01-09 CN CN201720020511.9U patent/CN206377022U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762621A (en) * | 2017-01-09 | 2017-05-31 | 江苏鸿胜泵业科技有限公司 | A kind of self-lubricating mechanical sealing |
| CN106762621B (en) * | 2017-01-09 | 2019-01-18 | 江苏鸿胜泵业科技有限公司 | A kind of self-lubricating mechanical sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20190118 |
|
| AV01 | Patent right actively abandoned |