CN207018195U - A kind of mechanical seal structure of high pressure impeller pump - Google Patents
A kind of mechanical seal structure of high pressure impeller pump Download PDFInfo
- Publication number
- CN207018195U CN207018195U CN201720751439.7U CN201720751439U CN207018195U CN 207018195 U CN207018195 U CN 207018195U CN 201720751439 U CN201720751439 U CN 201720751439U CN 207018195 U CN207018195 U CN 207018195U
- Authority
- CN
- China
- Prior art keywords
- ring
- stationary
- power transmission
- transmission shaft
- rotating ring
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 239000000314 lubricant Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model belongs to high pressure rotor pump technical field, refer in particular to a kind of mechanical seal structure of high pressure impeller pump, including power transmission shaft, the power transmission shaft side is provided with rotor, the power transmission shaft opposite side is provided with bearing cover, it is molded between the rotor and power transmission shaft fluted, the groove is provided with built-in spring, the groove insertion is provided with rotating ring, the rotating ring is fixed with power transmission shaft by rotating ring anti-rotation pin, stationary ring is provided with the left of the rotating ring, the stationary ring is separated with outside framework oil seal by stationary seat, the stationary ring is cased with stationary seat with outside framework oil seal outer ring, stationary ring anti-rotation pin is provided between the stationary seat and stationary ring, oil sealing baffle plate is provided with the left of the outside framework oil seal, oil sealing baffle plate and the contactless installation of bearing cover.The utility model can effectively prevent bearing end lubricant medium from penetrating into mechanical seal structure, and and can bears larger pump pressure and keeps good sealing effectiveness.
Description
Technical field
The utility model belongs to high pressure rotor pump technical field, refers in particular to a kind of mechanical seal structure of high pressure impeller pump.
Background technology
At present, existing rotor pump mechanical sealing is typically all exterior outflow, spring reverse pushing-type, is led due to structure
Cause leak point is more, leakage rate is big, and reveals material and easily enter gearbox shaft socket end；In addition, domestic manufacturer's use is non-equilibrium
Suffered power changes greatly with the rise of pressure medium on mechanical seal end surface, therefore may be only available for low-pressure machinery sealing, and
The limited pressure that known balanced mechanical seal structure is born, it is most of to be less than or equal to 1.6MPa using pressure, higher than this
The individual easy seepage of pressure value, causes the failure of mechanical seal, reduces service life, therefore, lacks one kind on the market and both ensured
Leak point is few, sealed reliable, and and can bears the mechanical seal structure of larger pump pressure.
The content of the invention
The purpose of this utility model be to provide it is a kind of simple in construction, effect anti-leak result it is outstanding can solve the problem that above-mentioned ask
A kind of mechanical seal structure of high pressure impeller pump of topic.
What the purpose of this utility model was realized in：
A kind of mechanical seal structure of high pressure impeller pump, including power transmission shaft, the power transmission shaft side are provided with rotor, institute
State power transmission shaft opposite side and bearing cover is installed；
It is molded fluted between the rotor and power transmission shaft, the groove is provided with built-in spring, the groove insertion peace
Equipped with rotating ring, the rotating ring is fixed with power transmission shaft by rotating ring anti-rotation pin, and stationary ring, the stationary ring are provided with the left of the rotating ring
Separated with outside framework oil seal by stationary seat, the stationary ring and outside framework oil seal outer ring are cased with stationary seat, the stationary seat and stationary ring it
Between be provided with stationary ring anti-rotation pin, be provided with oil sealing baffle plate on the left of the outside framework oil seal, oil sealing baffle plate and bearing cover are non-contact
Formula is installed.
Preferably, it is provided with O-ring a between the rotating ring and groove.
Preferably, it is provided with O-ring b between the stationary ring and stationary seat.
Preferably, it is provided with O-ring c between the oil sealing baffle plate and power transmission shaft.
Preferably, it is provided with O-ring d between the stationary seat and the pump housing.
Preferably, rotating ring anti-rotation pin is provided between the rotating ring and power transmission shaft.
Preferably, the rotating ring forms rotating ring projection close to stationary ring side, and the rotating ring is raised to contact installation with stationary ring.
Preferably, the shaft shoulder is provided with the middle part of the power transmission shaft, is provided between the shaft shoulder and stationary seat and outside framework oil seal
One space.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1st, the utility model bearing cover side is provided with outside framework oil seal, and outside framework oil seal side is provided with oil sealing baffle plate and is used for
Support limit, the outside framework oil seal form mechanical seal water with stationary seat and rinse annular seal space.
2nd, the spacing fixation of stationary ring is made stationary ring not move axially by the utility model stationary ring anti-rotation pin and rotating ring projection,
Be advantageous to improve the sealing stability and seal pressure of mechanical seal, because stationary ring contacts installation with rotating ring, stationary ring is fixed,
When pressure rise, the direction thrust to rotating ring is formed, the load of spring built in reduction, the work(that high pressure does not leak can be realized
Energy.
3rd, the utility model O-ring a prevents medium osmosis from entering in groove, spring built in damage, prevents leakage.
4th, the utility model O-ring b prevents medium osmosis from entering the installation gap between stationary ring and stationary seat, into machinery
Inside sealing structure.
5th, the utility model O-ring c can prevent material wink in the presence of high speed or high pressure after mechanical seal leakage
Between squeeze into the outside framework oil seal on bearing cover and enter gear-box.
6th, the space set on the right side of the utility model outside framework oil seal, when pump pressure raises, hydraulic pressure promotes skeleton oily to the left
Envelope, promotes to the right stationary seat, and so as to reduce the load of built-in spring to a certain extent, highly pressurised liquid is just not easily penetrated into.
7th, rotating ring anti-rotation pin 16 is provided between the utility model power transmission shaft and rotating ring, anti-locating snap ring degree of being moved through, is made
Into medium osmosis.
Brief description of the drawings
Fig. 1 is the structure diagram of the close assembling of the utility model machinery；
Fig. 2 is the utility model mechanical seal structure A enlarged drawings.
Implication in figure represented by label：1- power transmission shafts；2- rotors；3- bearing covers；Spring built in 4-；5- grooves；6-
Rotating ring；7- stationary rings；8- stationary ring anti-rotation pins；9- outside framework oil seals；10- oil sealing baffle plates；11- stationary seats；12- rotating rings are raised；13-O
Type circle a；14-O type circles b；15-O type circles c；16- rotating ring anti-rotation pins；The 17- pump housings；18-O type circles d；The 19- shaft shoulders.
Embodiment
The utility model is further described with specific embodiment below：
Embodiment：As shown in figure 1, a kind of mechanical seal structure of high pressure impeller pump, including power transmission shaft 1, the transmission
The side of axle 1 is provided with rotor 2, and the opposite side of power transmission shaft 1 is provided with bearing cover 3；
As shown in Fig. 2 being molded fluted 5 between the rotor 2 and power transmission shaft 1, the groove 5 is provided with built-in spring 4,
The insertion of groove 5 is provided with rotating ring 6, and the rotating ring 6 is fixed with power transmission shaft 1 by rotating ring anti-rotation pin 16, and the rotating ring 6 is left
Side is provided with stationary ring 7, and the stationary ring 7 is separated with outside framework oil seal 9 by stationary seat 11, the stationary ring 7 and 9 outer snare of outside framework oil seal
There is stationary seat 11, stationary ring anti-rotation pin 8 is provided between the stationary seat 11 and stationary ring 7, the left side of outside framework oil seal 9 is provided with
Oil sealing baffle plate 10, oil sealing baffle plate 10 and 3 contactless installation of bearing cover, the side of bearing cover 3 is provided with outside framework oil seal 8, bone
The side of frame oil sealing 8 is provided with oil sealing baffle plate 10 and is used for support limit, and the outside framework oil seal 8 can prevent bearing oil by dress
Mechanical seal structure is penetrated into gap, because stationary ring 7 with rotating ring 6 contacts installation, stationary ring 7 is fixed, when pressure rise, shape
The direction thrust of paired rotating ring 6, the load of spring 4 built in reduction, can realize the function that high pressure does not leak.
Preferably, O-ring a13 is provided between the rotating ring 6 and groove 5, prevents medium osmosis from entering in groove 5, damage
Spring 4 built in bad.
Preferably, be provided with O-ring b14 between the stationary ring 7 and stationary seat 11, prevent medium osmosis enter stationary ring 7 with
Installation gap between stationary seat 11, into inside mechanical seal structure.
Preferably, O-ring c15 is provided between the oil sealing baffle plate 10 and power transmission shaft 1, can prevents bearing oil from leading to
Mechanical seal structure is penetrated into the gap for crossing bearing cover 3 and power transmission shaft.
Preferably, between the stationary seat 11 and the pump housing 17 and only O-ring d18, prevent medium penetrate into stationary seat 11 with
The pump housing 17 installs gap.
Preferably, rotating ring anti-rotation pin 16 is provided between the rotating ring 6 and power transmission shaft 1, generally in mechanical seal, moved
Ring 6 moves axially, and the effect for setting rotating ring anti-rotation pin 16 is that the anti-mobile range of locating snap ring 6 is excessive, causes wide arc gap,
Medium osmosis.
Preferably, the rotating ring 6 forms rotating ring projection 12 close to the side of stationary ring 7, and the rotating ring projection 12 connects with stationary ring 7
Touch installation, 7 spacing fixation of stationary ring is made stationary ring 7 not move axially, be advantageous to machine by stationary ring anti-rotation pin 8 and rotating ring projection 12
The sealing stability of tool sealing.
Preferably, the middle part of the power transmission shaft 1 is provided with the shaft shoulder 19, the shaft shoulder 19 and stationary seat 11 and outside framework oil seal 9 it
Between be provided with a space, when interior volume pressure rise, hydraulic pressure promotes outside framework oil seal 9 to the left, to the right promote stationary seat 11, from
And the load of built-in spring 4 is reduced to a certain extent, highly pressurised liquid is just not easily penetrated into.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (8)
- A kind of 1. mechanical seal structure of high pressure impeller pump, it is characterised in that：Including power transmission shaft (1), the power transmission shaft (1) one Side is provided with rotor (2), and power transmission shaft (1) opposite side is provided with bearing cover (3)；It is molded fluted (5) between the rotor (2) and power transmission shaft (1), the groove (5) is provided with built-in spring (4), described Groove (5) insertion is provided with rotating ring (6), and the rotating ring (6) is fixed by rotating ring anti-rotation pin (16) with power transmission shaft (1), described Stationary ring (7) is provided with the left of rotating ring (6), the stationary ring (7) is separated with outside framework oil seal (9) by stationary seat (11), the stationary ring (7) stationary seat (11) is cased with outside framework oil seal (9) outer ring, stationary ring anti-rotation is provided between the stationary seat (11) and stationary ring (7) Pin (8), outside framework oil seal (9) left side are provided with oil sealing baffle plate (10), and oil sealing baffle plate (10) and bearing cover (3) are non-contact Formula is installed.
- A kind of 2. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The rotating ring (6) O-ring a (13) is provided between groove (5).
- A kind of 3. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The stationary ring (7) O-ring b (14) is provided between stationary seat (11).
- A kind of 4. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The oil sealing gear O-ring c (15) is provided between plate (10) and power transmission shaft (1).
- A kind of 5. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The stationary seat (11) O-ring d (20) is provided between the pump housing (17).
- A kind of 6. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The rotating ring (6) rotating ring anti-rotation pin (16) is provided between power transmission shaft (1).
- A kind of 7. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The rotating ring (6) rotating ring projection (12) is formed close to stationary ring (7) side, the rotating ring raised (12) contacts installation with stationary ring (7).
- A kind of 8. mechanical seal structure of high pressure impeller pump according to claim 1, it is characterised in that：The power transmission shaft (1) middle part is provided with the shaft shoulder (19), and a space is provided between the shaft shoulder (19) and stationary seat (11) and outside framework oil seal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751439.7U CN207018195U (en) | 2017-06-27 | 2017-06-27 | A kind of mechanical seal structure of high pressure impeller pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751439.7U CN207018195U (en) | 2017-06-27 | 2017-06-27 | A kind of mechanical seal structure of high pressure impeller pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018195U true CN207018195U (en) | 2018-02-16 |
Family
ID=61486127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720751439.7U Expired - Fee Related CN207018195U (en) | 2017-06-27 | 2017-06-27 | A kind of mechanical seal structure of high pressure impeller pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143495A (en) * | 2017-06-27 | 2017-09-08 | 浙江力高泵业科技有限公司 | A kind of mechanical seal structure of high pressure impeller pump |
-
2017
- 2017-06-27 CN CN201720751439.7U patent/CN207018195U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143495A (en) * | 2017-06-27 | 2017-09-08 | 浙江力高泵业科技有限公司 | A kind of mechanical seal structure of high pressure impeller pump |
| CN107143495B (en) * | 2017-06-27 | 2020-06-16 | 浙江力高泵业科技有限公司 | Mechanical sealing structure of high-pressure rotor pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204201078U (en) | A kind of y-type seal ring | |
| CN204396190U (en) | A kind of horizontal type scraper centrifuger rear bearing sealing device | |
| CN2483560Y (en) | Pressure-compensation type radical sealing device | |
| CN203335377U (en) | Self-adaption loss-free plunger pump shaft sealing device | |
| CN207454997U (en) | A kind of leakproof high-performance flexible interface | |
| CN201866315U (en) | Valve seat with dual-seal pair | |
| CN107143495A (en) | A kind of mechanical seal structure of high pressure impeller pump | |
| CN203585335U (en) | Mechanical sealing device used for thick slurry | |
| CN206299844U (en) | A kind of high-pressure check valve of low leakage | |
| CN202531844U (en) | Bottom stirring corrugated pipe-type mechanical seal with water seal structure | |
| CN201521641U (en) | Efficient carbon ring sealing device | |
| CN202451836U (en) | Reversed-lip polytetrafluoroethylene (PTFE) structural oil seal | |
| CN202040324U (en) | Sealing ring with grooves | |
| CN202612644U (en) | Oil seal ring of high-pressure plunger pump | |
| CN203363153U (en) | Mechanical oil seal | |
| CN104455867A (en) | Double-mechanical-seal type rotary joint | |
| CN206352576U (en) | High-pressure gear pump movable sealing structure | |
| CN206338413U (en) | Combustor mechanical seal structure | |
| CN203463847U (en) | Double mechanically-sealed rotary joint | |
| CN205896170U (en) | Mechanical seal of horizontal pump | |
| CN213943046U (en) | Can effectively prevent dust and reduce compression roller assembly seal structure of grease loss | |
| CN203285721U (en) | Padding sealing structure of axially split pump | |
| CN201679963U (en) | Split type all sealing oil baffle | |
| CN207864622U (en) | The high rotating speed axle sealing ring of gearbox and gearbox | |
| CN213298265U (en) | Spring-free mechanical seal for cam 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: 20180216 Termination date: 20180627 |