CN207961525U - One kind can compensate for from flushing type water injecting pump sealing structure of shaft end - Google Patents
One kind can compensate for from flushing type water injecting pump sealing structure of shaft end Download PDFInfo
- Publication number
- CN207961525U CN207961525U CN201820037657.9U CN201820037657U CN207961525U CN 207961525 U CN207961525 U CN 207961525U CN 201820037657 U CN201820037657 U CN 201820037657U CN 207961525 U CN207961525 U CN 207961525U
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- China
- Prior art keywords
- ring
- axle sleeve
- rotating
- sealing
- rotating seat
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- Expired - Fee Related
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Abstract
The utility model belongs to oil field equipment field,It is specifically a kind of to can compensate for from flushing type water injecting pump sealing structure of shaft end,Including rotary shaft,Axle sleeve,Retaining ring,Locating piece,Positioning screw,Stop pin,Stationary ring,Stationary ring sealing ring,Gasket,Machine sealed cover,Studs,Casing,Pump ring,Holding screw,Compression spring,Sleeve sealing circle,Seal ring of moving ring,Rotating seat,Rotating ring,Lock-screw,Packing ring,Compression spring one end is supported on the shaft shoulder of axle sleeve,Other end is connected with rotating seat,It is evenly distributed with inlet opening on pumping ring,Pumping ring is connected by holding screw with rotating seat,Flushing hole is drilled on casing,Flushing hole and the inlet opening on pumping ring are connectable logical,The utility model can compensate the abrasion of rotating ring and stationary ring automatically,And use pumping ring from flushing mechanism,Solid impurity can be effectively prevent to hoard on sealing surface,Good condition is created for the formation of rotating ring and stationary ring rubbing surface liquid film.
Description
Technical field
The utility model is related to one kind can compensate for, from flushing type water injecting pump sealing structure of shaft end, belonging to oil field equipment skill
Art field.
Background technology
Water injecting pump is the common mechanical equipment of Oil Field, with the continuous increase of water injection pressure and injection flow, shaft end
Sealing is always to influence the key factor of water injecting pump working performance.Water injecting pump shaft end seal mostly uses packing seal in reality, knot
Structure is simple, but disadvantage is also very notable, and gland is too loose to cause leakage rate to increase, and gland can tightly cause very much sealing to be ground
Damage amount increases, fever is even burnt.If seal failure, the use of water injecting pump is gently influenced, it is heavy then influence oil field production.Some elder generations
Although into sealing means sealing effect it is preferable, corresponding purchase commodity and expense of maintenance and management input are huge, and it is existing to be not suitable for oil field
Field uses.A kind of novel water injecting pump sealing mechanism for shaft end is invented, and makes it have high reliability, Oil Field work can be met
Industry condition, the performance to improving water injecting pump have very strong directive significance.
Utility model content
The utility model is directed to one kind and can compensate for, from flushing type water injecting pump sealing structure of shaft end, overcoming original material filling type
The deficiency of sealing, increases sealing reliability, and the technical solution used is as follows：
One kind can compensate for, from flushing type water injecting pump sealing structure of shaft end, rotary shaft, axle sleeve, retaining ring, locating piece, positioning spiral shell
Nail, stop pin, stationary ring, stationary ring sealing ring, gasket, machine sealed cover, studs, casing, pumping ring, holding screw, compression spring,
Sleeve sealing circle, seal ring of moving ring, rotating seat, rotating ring, lock-screw, packing ring, it is characterised in that：Axle sleeve is located in rotary shaft
On, compression spring one end is supported on the shaft shoulder of axle sleeve, and other end is connected with rotating seat, can be provided after rotating ring and stationary ring abrasion
Compensation ensures the reliability of sealing.Compression spring and inner cavity liquid are isolated by seal ring of moving ring, stationary ring, rotating ring, avoid being in rotating ring
Compression spring in seat is by liquid corrosion.Inlet opening is evenly distributed on pumping ring, pumping ring is connected by holding screw with rotating seat,
Flushing hole is drilled on casing, flushing hole and the inlet opening on pumping ring are connectable logical, are on the one hand the rubbing surface of rotating ring and stationary ring
Cooling effect is provided, on the other hand flushing action is provided for the two contact surface, prevents solid impurity from hoarding on sealing surface, be
Good condition is created in the formation of ring and stationary ring rubbing surface liquid film.To prevent stationary ring from rotating, stationary ring is fixed on using stop pin
On machine sealed cover, machine sealed cover is equipped with packing ring with axle sleeve contact position, and locating piece is connected by positioning screw with retaining ring, normally
Packing ring is in general pressured state when work, the sealing between machine sealed cover and axle sleeve and imprecision.When shutting down, by twisting
Tight positioning screw pushes locating piece, so that machine sealed cover is compressed packing ring, to realize stop sealing.
Between axle sleeve and rotary shaft be equipped with sleeve sealing circle, between rotating seat and axle sleeve be equipped with seal ring of moving ring, casing with
Gasket is housed between machine sealed cover, is connected by studs between casing and machine sealed cover, it is compressible to tighten studs
Gasket is equipped with stationary ring sealing ring between stationary ring and machine sealed cover.
Axle sleeve side is opened there are three through-hole, and retaining ring corresponding position also opens that there are three through-holes, and retaining ring and axle sleeve pass through lock
Tight screw is connected with rotary shaft, and lock-screw uses fluting flush end holding screw form, without processing pit on the rotary shaft.
It is evenly distributed with feather key on axle sleeve, guide key groove is evenly distributed on rotating seat, axle sleeve is with rotating seat by leading
It is connected to key, ensures axle sleeve and rotating seat synchronous rotary.
Compared with prior art, the useful achievement of the utility model be can compensate the abrasion of rotating ring and stationary ring automatically, and
Using pumping ring from flushing mechanism, solid impurity can be effectively prevent to hoard on sealing surface, be rotating ring and stationary ring rubbing surface liquid film
Formation create good condition.
Description of the drawings
Fig. 1 is the general illustration of the utility model water injecting pump sealing structure of shaft end.
Fig. 2 is the outer profile figure of the utility model water injecting pump sealing structure of shaft end.
Fig. 3 is axle sleeve structure schematic diagram.
Fig. 4 is rotating seat structural schematic diagram.
1- rotary shafts；2- axle sleeves；3- retaining rings；4- locating pieces；5- positioning screws；6- stop pins；7- stationary rings；8- stationary rings are close
Seal；9- gaskets；10- machine sealed covers；11- studs；12- casings；13- pumps ring；14- holding screws；15- compression springs；
16- sleeve sealing circles；17- seal ring of moving ring；18- rotating seats；19- rotating rings；20- lock-screws；21- packing rings.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described further：
One kind can compensate for from flushing type water injecting pump sealing structure of shaft end, rotary shaft 1, axle sleeve 2, retaining ring 3, locating piece 4, fixed
Position screw 5, stop pin 6, stationary ring 7, stationary ring sealing ring 8, gasket 9, machine sealed cover 10, studs 11, casing 12 pump ring
13, holding screw 14, compression spring 15, sleeve sealing circle 16, seal ring of moving ring 17, rotating seat 18, rotating ring 19, lock-screw 20, disk
Root ring 21, it is characterised in that：Axle sleeve 2 is located in rotary shaft 1, and 15 one end of compression spring is supported on the shaft shoulder of axle sleeve 2, other end
It is connected with rotating seat 18, can provides compensation after rotating ring 19 and stationary ring 7 are worn, ensure the reliability of sealing.Seal ring of moving ring
17, compression spring 15 and inner cavity liquid are isolated by stationary ring 7, rotating ring 19, avoid the compression spring 15 in rotating seat 18 by liquid corrosion.
Inlet opening is evenly distributed on pumping ring 13, pumping ring 13 is connected with rotating seat 18 by holding screw 14, is drilled on casing 12
Flushing hole, flushing hole and the inlet opening on pumping ring 13 are connectable logical, and on the one hand the rubbing surface for rotating ring 19 and stationary ring 7 provides cold
But it acts on, on the other hand provides flushing action for the two contact surface, prevent solid impurity from hoarding on sealing surface, be 19 He of rotating ring
Good condition is created in the formation of 7 rubbing surface liquid film of stationary ring.To prevent stationary ring 7 from rotating, stationary ring 7 is fixed on using stop pin 6
On machine sealed cover 10, machine sealed cover 10 is equipped with packing ring 21 with 2 contact position of axle sleeve, and locating piece 4 passes through positioning screw 5 and retaining ring
3 are connected, and packing ring 21 is in general pressured state when normal work, the sealing between machine sealed cover 10 and axle sleeve 2 and imprecision.
When shutting down, locating piece 4 is pushed by screwed in place screw 5, machine sealed cover 10 is made to compress packing ring 21, is shut down to realize
Sealing.
Sleeve sealing circle 16 is housed between axle sleeve 2 and rotary shaft 1, seal ring of moving ring is housed between rotating seat 18 and axle sleeve 2
17, gasket 9 is housed between casing 12 and machine sealed cover 10, is connected by studs 11 between casing 12 and machine sealed cover 10
It connects, tightens 11 compressible gasket 9 of studs, stationary ring sealing ring 8 is housed between stationary ring 7 and machine sealed cover 10.
The side of axle sleeve 2 is opened there are three through-hole, and 3 corresponding position of retaining ring also opens that there are three through-hole, retaining ring 3 and axle sleeves 2
It is connected with rotary shaft 1 by lock-screw 20, and lock-screw 20 is not necessarily to using fluting flush end holding screw form in rotary shaft
Pit is processed on 1.
It is evenly distributed with feather key on axle sleeve 2, guide key groove, axle sleeve 2 and rotating seat 18 are evenly distributed on rotating seat 18
It is connected by feather key, ensures axle sleeve 2 and 18 synchronous rotary of rotating seat.
The utility model is illustrated with way of example above, but the utility model is not limited to examples detailed above, it is all
Any modification made on the basis of the utility model and deformation, both are within the protection scope of the present invention.
Claims (4)
1. one kind can compensate for from flushing type water injecting pump sealing structure of shaft end, including rotary shaft, axle sleeve, retaining ring, locating piece, positioning
Screw, stop pin, stationary ring, stationary ring sealing ring, gasket, machine sealed cover, studs, casing pump ring, holding screw, pressure
Spring, sleeve sealing circle, seal ring of moving ring, rotating seat, rotating ring, lock-screw, packing ring, it is characterised in that：The axle sleeve positioning
On the rotary shaft, described compression spring one end is supported on the shaft shoulder of the axle sleeve, and other end is connected with rotating seat, the rotating ring
Compression spring and inner cavity liquid are isolated by sealing ring, stationary ring, rotating ring, and inlet opening, the pumping are evenly distributed on the pumping ring
Ring is connected by holding screw with rotating seat, and flushing hole, the flushing hole and the inlet opening on pumping ring are drilled on the casing
Connectable logical, the stationary ring is fixed on by stop pin on machine sealed cover, and the machine sealed cover is equipped with packing with axle sleeve contact position
Ring, the locating piece are connected by positioning screw with retaining ring, and screwed in place screw can make machine sealed cover compress packing ring.
2. one kind according to claim 1 can compensate for from flushing type water injecting pump sealing structure of shaft end, it is characterised in that：It is described
Between axle sleeve and rotary shaft be equipped with sleeve sealing circle, between the rotating seat and axle sleeve be equipped with seal ring of moving ring, the casing with
Gasket is housed between machine sealed cover, stationary ring sealing ring is housed between the stationary ring and machine sealed cover.
3. one kind according to claim 1 can compensate for from flushing type water injecting pump sealing structure of shaft end, it is characterised in that：It is described
Axle sleeve side is opened there are three through-hole, and the retaining ring corresponding position also opens that there are three through-holes, and the retaining ring and axle sleeve pass through lock
Tight screw is connected with rotary shaft.
4. one kind according to claim 1 can compensate for from flushing type water injecting pump sealing structure of shaft end, it is characterised in that：It is described
It is evenly distributed with feather key on axle sleeve, guide key groove is evenly distributed on the rotating seat, the axle sleeve is with rotating seat by leading
It is connected to key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820037657.9U CN207961525U (en) | 2018-01-09 | 2018-01-09 | One kind can compensate for from flushing type water injecting pump sealing structure of shaft end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820037657.9U CN207961525U (en) | 2018-01-09 | 2018-01-09 | One kind can compensate for from flushing type water injecting pump sealing structure of shaft end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961525U true CN207961525U (en) | 2018-10-12 |
Family
ID=63732738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820037657.9U Expired - Fee Related CN207961525U (en) | 2018-01-09 | 2018-01-09 | One kind can compensate for from flushing type water injecting pump sealing structure of shaft end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207961525U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030383A (en) * | 2019-04-10 | 2019-07-19 | 艾志（南京）环保管接技术股份有限公司 | The interior liquid mechanical seal with axial floating pallet set |
| CN111981131A (en) * | 2019-09-25 | 2020-11-24 | 汤新红 | Anti-leakage mechanical seal with automatic stop protection |
| CN112066001A (en) * | 2020-09-02 | 2020-12-11 | 东台市光明机械密封有限公司 | Mechanical sealing element for high-pressure autoclave and manufacturing process thereof |
-
2018
- 2018-01-09 CN CN201820037657.9U patent/CN207961525U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030383A (en) * | 2019-04-10 | 2019-07-19 | 艾志（南京）环保管接技术股份有限公司 | The interior liquid mechanical seal with axial floating pallet set |
| CN111981131A (en) * | 2019-09-25 | 2020-11-24 | 汤新红 | Anti-leakage mechanical seal with automatic stop protection |
| CN111981131B (en) * | 2019-09-25 | 2022-03-22 | 大庆市佰硕浩石油机械制造有限公司 | Anti-leakage mechanical seal with automatic stop protection |
| CN112066001A (en) * | 2020-09-02 | 2020-12-11 | 东台市光明机械密封有限公司 | Mechanical sealing element for high-pressure autoclave and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |