CN106286291A - Impeller pump shaft sealer - Google Patents
Impeller pump shaft sealer Download PDFInfo
- Publication number
- CN106286291A CN106286291A CN201610917398.4A CN201610917398A CN106286291A CN 106286291 A CN106286291 A CN 106286291A CN 201610917398 A CN201610917398 A CN 201610917398A CN 106286291 A CN106286291 A CN 106286291A
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- China
- Prior art keywords
- seat
- pump
- rotating seat
- ring
- rotating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The shaft sealer of a kind of impeller pump is provided, including machine envelope seat (3) and stationary ring (4), rotating seat (5) and the rotating ring (6) being driven by, at the gap between stationary ring (4) and machine envelope seat (3), the first O (8) is set；The cylinder of rotating seat (5) stretches into machine envelope seat (3) inner chamber, cavity (28) is formed between rotating seat (5) and machine envelope seat (3), multiple through hole (10) is offered in cylinder periphery along rotating seat (5), second O (11) in gap between moving sealing ring (6) and axle (1) it is provided for inside the pump of rotating ring (6), in rotating seat inner chamber (9), between the connection end and rotating ring (6) of rotating seat (5), compression spring (12) is set, rotating ring (6) is mutually close to stationary ring (4), rotating seat (5) connects impeller (2) through at least 1 trundle (13), wherein one end close-fitting of trundle (13) connects, the floating type insertion of the other end；The present invention can effectively promote sealing performance and the service life of impeller pump, is especially suitable for the sealing of non-hygiene level impeller pump.
Description
Technical field
The present invention relates to the shaft sealer of a kind of impeller pump, the mechanical type axle of a kind of non-hygiene level impeller pump is close
Seal apparatus.
Background technology
Impeller pump also known as colloid pump, sickle pump, general-purpose delivery pump etc., due to its impeller shape such as cam, also referred to as lobe pump,
Impeller pump belongs to displacement pump；Generally birotor.Multiple fixed volume conveying unit that impeller pump is by mean of in working chamber
Periodically it is converted and reaches the purpose of conveyance fluid material.Generally driven a pair synchromesh gear by motor, transmission major-minor axle, double turns
Son, respectively under the drive of major-minor axle, carries out synchronizing opposite direction and rotates, make the volume of pump change, thus constitute higher true
Reciprocal of duty cycle and discharge pressure；Import department is low-pressure area, and exit is higher-pressure region.Impeller pump is mainly used in sanitation-grade material and corrosion
Property, the conveying of high-viscosity material.Carried material can be divided into sanitation-grade material and non-hygiene level material, sanitation-grade by hygienic requirements
Material includes: food beverages, fruit concentrated solution, cosmetics, medicine class etc.；Non-hygiene level material refers to except sanitation-grade material
Industrial products and the semi-finished product fluid foods such as fluid foods in addition, predominantly chemical industry papermaking, including dyestuff, fat, solvent, tree
Fat and polymer, paper pulp etc... all spare and accessory parts contacted with conveying material in impeller pump, generally individually use and meet sanitary standard
Stainless steel material make, its sealing member all uses nontoxic rubber；Rust-preventing characteristic and non-toxic seal guarantee safety and sanitation reliably.
Owing to when impeller pump works, material is subjected to elevated pressures at pump output terminal, the between centers that material is easy to from rotating is let out
Leakage.In order to avoid fluid foods leaks, the sealing of impeller pump is extremely important, with the development of impeller pump technology, impeller pump
Sealing is always one of its key technology；Promote the sealing performance of impeller pump and the service life of sealing, be this area
The target of technical staff's long-sought.The sealing of impeller pump at present mainly includes mechanical type sealing and material filling type sealing,
Based on mechanical type sealing.The mechanical type sealing of impeller pump is to utilize spring to force the rotating ring with axle transhipment and geo-stationary
Stationary ring end face mutually be close to formed seal revolute pair, use seal with O ring at the gap of periphery.Due to dynamic when impeller pump works
Ring and stationary ring friction, the machine sealing including rotating ring with stationary ring and O is all subjected to heating abrasion, causes its hydraulic performance decline, directly
It is accomplished by maintenance downtime to occurring when fluid foods substantially leaks.In prior art, also there is the fluid utilizing it to be carried
Material carrys out the scheme of lubrication machine sealing, and its machine sealing is being axially fixed, such as Chinese patent literature
CN201401323Y is the utility model open file of present patent application people application, due to turnover space, machine sealing place
Fluid foods has elevated pressures, has bigger extruding force to machine sealing, and once too much accumulation is not circulated, and will persistently rise
Temperature, reduces the fluid foods cooling effect to machine sealing, affects the sealing performance of impeller pump and the service life of sealing.Thing
In reality, the pressure of the fluid foods that turnover space, machine sealing place is in contact with it is change, and inventor studies through for many years
Finding, its machine sealing of prior art is being axially fixed design, and the change of convection cell material pressure is not taked just
Suitably counter-measure, just causes the countershaft sealing property of fluid foods compression shock of change to cause with the service life of sealing
Large effect；So, the service life how overcoming the countershaft sealing property of fluid foods compression shock and sealing causes
Considerable influence？
The present invention is precisely in order to solve above-mentioned technical problem.The present invention can be regarded as Chinese patent literature CN201401323Y institute
The improvement of disclosed scheme.
Summary of the invention
The technical problem to be solved is for the above-mentioned state of the art, it is provided that the sealing dress of a kind of impeller pump
Put.
The present invention solves the technical scheme that above-mentioned technical problem used:
The shaft sealer of a kind of impeller pump, the axle (1) of described impeller pump is connected with as the impeller (2) of rotor is fixing, its spy
Levying and be, described shaft sealer includes machine envelope seat (3) and stationary ring (4), rotating seat (5) and the rotating ring (6) that is driven by, all in
Cylindric being also sleeved on axle (1) outside, machine envelope seat (3) is sleeved on rotating seat (5) and outward and fixing with the pump housing (7) is connected, and machine seals seat
(3) be the blind end that internal diameter is less outside pump, stationary ring (4) be positioned at machine envelope seat (3) inner chamber at blind end, be directly set with
In axle (1) outside, and it is connected with machine envelope seat (3), at the gap between stationary ring (4) and machine envelope seat (3), the first O (8) is set；
Being the connection end that internal diameter is less inside the pump of rotating seat (5), the connection end of rotating seat (5) is directly sleeved on axle (1) outside, rotating ring
The cylinder of seat (5) stretches into machine envelope seat (3) inner chamber, forms cavity (28) between rotating seat (5) and machine envelope seat (3), rotating seat (5)
Forming rotating seat inner chamber (9) between cylinder and axle (1), multiple through hole (10) is offered in the cylinder periphery along rotating seat (5), described dynamic
Ring (6) is positioned at outside the pump of rotating seat (5) and is directly sleeved on axle (1) outside, is provided for sealing and moves inside the pump of rotating ring (6)
Second O (11) in gap between ring (6) and axle (1), in rotating seat inner chamber (9), at connection end and the rotating ring of rotating seat (5)
(6) compression spring (12) is set between, this compression spring (12) be also sleeved on axle (1) outside, the outer face (23) of rotating ring (6) with
Stationary ring (4) inner face (24) is mutually close to, and described rotating seat (5) connects impeller (2), described biography through at least 1 trundle (13)
Wherein one end close-fitting of untie-sell (13) connects, the floating type insertion of the other end.
Setting up spring cushion block (14) the most cylindrically inside the pump of described rotating ring (6), described compression spring (12) sets
Putting between the connection end and spring cushion block (14) of rotating seat (5), described spring cushion block (14) is the most directly sleeved on axle (1) outward
Face, described second O (11) is arranged at the gap between spring cushion block (14) and described rotating ring (6).
One end close-fitting of described trundle (13), on impeller (2), offers respective numbers inside the pump of described rotating seat (5)
The first breach (15) for trundle (13) floating type insertion.
Outside pump on described impeller (2), symmetry offers 2 pin-and-holes (16), and wherein one end of 2 trundles (13) is respectively
Close-fitting inserts 2 pin-and-holes (16) on described impeller (2), and inside the pump of described rotating seat (5), also symmetry offers 2 the first breach
(15) for trundle (13) floating type insertion.
Along its inwall circumference at least provided with 2 convex tendons (17), described rotating ring outside the pump of the cylinder of described rotating seat (5)
(6) corresponding depression (18) is set along its outer wall circumference.
4 convex tendons (17) are set outside the pump of the cylinder of described rotating seat (5) along its inwall circumference uniform distribution, described rotating ring
(6) 4 corresponding depressions (18) are the most each set with spring cushion block (14) along it along its outer wall circumference uniform distribution.
The through hole (10) offered along the cylinder periphery of described rotating seat is 4, and outside the cylinder of the dynamic described rotating seat (5) in edge
Zhou Junbu.
The cylinder inboard wall of described rotating seat (5) is provided for engaging the bulge loop (29) of spring cushion block (14).
Described machine envelope seat (3) offers pin-and-hole (16) near its pump outside, and described pin-and-hole (16) at least 2, along described
The cylinder circumference uniform distribution of machine envelope seat (3), each pin-and-hole (16) inserts steady pin (19) in close-fitting mode；Outside the pump of described stationary ring (4)
The second breach (21) is offered in side, inserts with pine formula formula for steady pin (19).
The blind end of described machine envelope seat (3) also sets up outside framework oil seal (20), and the inner ring of this outside framework oil seal (20) is close to described
The axle (1) of impeller pump, and the region sealed at it be passed through lubricating oil or cooling water.
A kind of impeller pump for carrying non-hygiene level high viscosity fluid material, including the pump housing (7), as interactive rotor
2 impellers (2) are positioned at the pump housing (7), and the impeller (2) that parallel two piece axle (1) of synchronized case output are the most corresponding is solid
Fixed connection, it is characterised in that every axle (1) also includes shaft sealer as above.
Impeller pump of the present invention utilizes material cool down machine sealing and lubricate, and enters the material of machine sealing chamber with impeller pump
Just nip does not stop conversion, and material is ceaselessly passed in and out at machine sealing chamber, and above-mentioned machine sealing is played good cooling and lubrication
Effect, thus be conducive to extending the service life of above-mentioned machine sealing.When material pressure rises, sealing synchronizes to rise the most therewith, can
Ensure sealing when material pressure rises.When material pressure declines, above-mentioned machine sealing automatically resets again, is rested and reorganized；So
Just can reach dynamic equilibrium, can be efficiently against the service life of the countershaft sealing property of fluid foods compression shock Yu sealing
The considerable influence caused；Also can be effectively prevented from material too much pile up do not circulate and cause persistently overheating, affect impeller pump
The phenomenon in the service life of sealing performance and sealing.The present invention can effectively promote the sealing performance of impeller pump, and greatly
Amplitude promotes the service life of impeller pump sealing.Present invention is particularly suitable for use in the axle of the impeller pump of conveying non-hygiene level material
Seal.
Accompanying drawing explanation
Fig. 1 is the shaft sealer cross-sectional view of the embodiment of the present invention one impeller pump；
Fig. 2, Fig. 3 are machine envelope seat schematic perspective view, show different azimuth；
Fig. 4, Fig. 5 are rotating seat schematic perspective view, show different azimuth；
Fig. 6, Fig. 7 are rotating ring schematic perspective view, show different azimuth；
Fig. 8, Fig. 9 are stationary ring schematic perspective view, show different azimuth；
Figure 10, Figure 11 are spring cushion block schematic perspective view, show different azimuth；
Figure 12 is the shaft sealer part section structural representation of the embodiment of the present invention two impeller pump；
Figure 13 is the shaft sealer entirety cross-sectional view of the embodiment of the present invention two impeller pump；
Figure 14 is the two blade impeller schematic front view that the present invention is adaptive；
Figure 15 is the two blade impeller generalized section that the present invention is adaptive；
By the shaft sealer cross-sectional view of material pressure state when Figure 16 is impeller pump of the present invention work.
Detailed description of the invention
Below to describe the detailed description of the invention of the present invention shown in Fig. 1 to Figure 15 in detail.Describe for convenience, each machine is sealed
Part is referred to as inside pump towards the side in impeller pump, and the side outside impeller pump is referred to as outside pump.
Shaft sealer of the present invention is primarily adapted for use in the impeller pump for conveying high-viscosity fluid material, usual this rotor
Pump includes the pump housing 7, and 2 impellers 2 as interactive rotor are positioned at the pump housing 7, and the parallel two piece axle 1 of synchronized case output is respective
Corresponding impeller 2 is fixing to be connected；Impeller 2 usually twayblade or three blades, also have single blade, quaterfoil, five blades.
Shaft sealer of the present invention is particularly suitable for carrying the impeller pump of non-hygiene level high viscosity fluid material.
Embodiment one
As it is shown in figure 1, the shaft sealer of a kind of impeller pump, the axle 1 of impeller pump is connected with as the impeller 2 of rotor is fixing, axle
Sealing device includes machine envelope seat 3 and stationary ring 4, rotating seat 5 and the rotating ring 6 being driven by, the most cylindrically and be sleeved on outside axle 1
Face, machine envelope seat 3 is sleeved on outside rotating seat 5 and fixes with the pump housing 7 and be connected, forms cavity 28, machine between machine envelope seat 3 and rotating seat 5
For connecting the flange end of the pump housing 7 inside the pump of envelope seat 3, offer multiple connecting hole 22 along flange end circumference, for fixing with the pump housing 7
Connect；Being the blind end that internal diameter is less outside the pump of machine envelope seat 3, it is the most direct at blind end that stationary ring 4 is positioned at machine envelope seat 3 inner chamber
It is sleeved on outside axle 1, and is connected with machine envelope seat 3, specifically can use following connected mode: machine envelope seat 3 leaves near its pump outside
If pin-and-hole 16, pin-and-hole 16 at least 2, along the cylinder circumference uniform distribution of machine envelope seat 3；Usually, the cylinder symmetry along machine envelope seat 3 is opened
If 2 are sufficient to, certainly, along machine envelope seat 3 cylinder circumference uniform distribution offer 3,4 can also；Each pin-and-hole 16 is with close-fitting side
Formula inserts steady pin 19；Can also replace pin-and-hole 16 by screwed hole, the screw curling up band replaces steady pin 19；Stationary ring 4
Offer corresponding second breach 21 outside pump, as shown in Figure 8, Figure 9, insert with pine formula formula for each steady pin 19.Stationary ring 4 and machine
At gap between envelope seat 3, the first O 8 is set.As shown in Figure 2 and Figure 3, rotating seat 5 is as shown in Figure 4, Figure 5 for machine envelope seat 3.
As it is shown in figure 1, be the connection end that internal diameter is less inside the pump of rotating seat 5, the connection end of rotating seat 5 is directly sleeved on
Outside axle 1, the cylinder of rotating seat 5 stretches into machine envelope seat 3 inner chamber, forms cavity 28 between rotating seat 5 and machine envelope seat 3, rotating seat 5
Forming rotating seat inner chamber 9 between cylinder and axle 1, multiple through hole 10 is offered in the cylinder periphery along rotating seat 5, passes in and out for fluid foods
Rotating seat inner chamber 9；Through hole 10 is to offer 4, and is preferred along the cylinder periphery moving described rotating seat 5 is uniform.Rotating ring 6 is positioned at rotating ring
Seat 5 pump outside and be directly sleeved on outside axle 1, be provided for gap between moving sealing ring 6 and axle 1 inside the pump of rotating ring 6
Second O 11, in rotating seat inner chamber 9, arranges compression spring 12, this pressurized bullet between the connection end and rotating ring 6 of rotating seat 5
Spring 12 is also sleeved on outside axle 1, and the outer face 23 of rotating ring 6 is mutually close to stationary ring 4 inner face 24, forms revolute pair.
Rotating seat 5 connects impeller 2 through at least 1 trundle 13, and wherein one end close-fitting of trundle 13 connects, and the other end floats
Dynamic formula inserts.For ease of manufacturing, can be in the following ways: one end close-fitting of trundle 13 is on impeller 2, in the pump of rotating seat 5
The first breach 15 of respective numbers is offered for the floating type insertion of trundle 13 in side.To use 2 trundles 13 being arranged symmetrically with to be
Good: outside the pump on impeller 2, symmetry offers 2 pin-and-holes 16, as shown in Figure 14, Figure 15；Its of 2 trundles 13 being arranged symmetrically with
Middle one end respectively close-fitting inserts 2 pin-and-holes 16 on impeller 2, and inside the pump of rotating seat 5, also symmetry is offered 2 the first breach 15 and supplied
The floating type insertion of trundle 13, as shown in Figure 5.
Can set up spring cushion block 14 the most cylindrically inside the pump of rotating ring 6, compression spring 12 is arranged on rotating seat 5
Connecting between end and spring cushion block 14, spring cushion block 14 is the most directly sleeved on outside axle 1, and the second O 11 is arranged on spring pad
At gap between block 14 and rotating ring 6.The compression spring 12 of the present invention is directly to be sleeved on the single spring outside axle 1, can adopt
With traditional helical spring or wavy spring, it is desirable to compression spring 12 both ends of the surface are smooth, make outer face 23 and the stationary ring 4 of rotating ring 6
Inner face 24 uniform force is distributed；So being preferred with the wavy spring using end face smooth；As used traditional helical spring, can
Its both ends of the surface are scabbled.If directly pushing rotating ring 6 with compression spring 12, the stress balance of rotating ring 6 is poor；Set up spring pad
Block 14 can improve the stress balance of rotating ring 6 effectively, it also avoid pressing spring 12 and directly withstands on and on rotating ring 6 cause rotating ring 6
Abrasion, also can shorten the length of compression spring 12.
The drive connection of rotating seat 5 and rotating ring 6 can be in the following way: along its inwall outside the pump of the cylinder of rotating seat 5
Circumference arranges corresponding depression 18 at least provided with 2 convex tendons 17, rotating ring 6 along its outer wall circumference.Specifically to be in the following ways
Good: 4 convex tendons 17 to be set along its inwall circumference uniform distribution, as shown in Figure 5 outside the pump of the cylinder of rotating seat 5；Rotating ring 6 and spring pad
Block 14 the most each arranges 4 corresponding depressions 18 along it along its outer wall circumference uniform distribution, as Fig. 6, Fig. 7 with shown in Figure 10, Figure 11.
During the assembling of rotating seat 5 associated components, first compression spring 12 is loaded rotating seat 5, then by the depression 18 of spring cushion block 14
Spring cushion block 14 is pressed into rotating seat 5, and rotating spring cushion block 14 by the convex tendon 17 along rotating seat 5, is locked by compression spring 12
In rotating seat 5, after rotating ring 6 is pressed into rotating seat 5 along the convex tendon 17 of rotating seat 5 by the depression 18 of rotating ring 6, and rotating ring 6
Outer face 23 is exposed at outside rotating seat 5.Without adding spring cushion block 14, then directly by the depression 18 of rotating ring 6 along rotating ring
Rotating ring 6 is pressed into rotating seat 5 by the convex tendon 17 of seat 5.Second O 11 should be contained on rotating ring 6 in advance.
Machine envelope seat 3 can arrange circle boss 25 and a circle groove 26 for the end face being connected with the pump housing 7, as in figure 2 it is shown, recessed
Groove 26 is embedded in the 3rd O 27.During machine envelope seat 3 associated components assembling, the stationary ring 4 that first will be equipped with the first O 8 loads machine envelope
Seat 3, the pin-and-hole 16 making the second breach 21 on stationary ring 4 be directed on machine envelope seat 3, inserts by force by steady pin 19 on machine envelope seat 3
Pin-and-hole 16, the second breach 21 on stationary ring 4 is inserted with pine formula formula in the front end of steady pin 19；Due to steady pin 19 and stationary ring 4 it
Between retain certain gap, so, when impeller pump can be made to work, stationary ring 4 is automatically adjusted its position in the way of trace moves.Always
During body assembling, first rotating seat 5 associated components is contained in pump housing machine sealing chamber, after machine sealed seat 3 fix with the pump housing 7 and be connected, make
The outer face 23 of ring 6 is mutually close to stationary ring 4 inner face 24, and the first O 8 pressurized under compression spring 12 acts on is formed initially
Deformation.During dress impeller 2, the other end of the trundle 13 with its close-fitting is made to insert the first breach 15 on rotating seat 5.
As it is shown in figure 1, during impeller pump work, machine envelope seat 3, steady pin 19, stationary ring the 4, first O 8 are static not with the pump housing 7
Dynamic, impeller 2, trundle 13, rotating seat 5, rotating ring the 6, second O 11, compression spring 12 and spring cushion block 14 rotate with axle, dynamic
The outer face 23 of ring 6 is mutually close to stationary ring 4 inner face 24, forms revolute pair.Owing to rotating seat inner chamber 9 is through the cylinder of rotating seat 5
Multiple through holes 10 in external week communicate with cavity 28, and cavity 28 communicates with the inner chamber of impeller pump, the portion of impeller pump inner chamber
Divide material will enter cavity 28 and rotating seat inner chamber 9, to including stationary ring the 4, first O 8, rotating ring the 6, second O 11, being subject to
The machine sealing of pressing spring 12 and spring cushion block 14 plays cooling and lubrication；Further, due to rotating seat 5, rotating ring the 6, the 2nd O shape
Circle 11, compression spring 12 and spring cushion block 14 rotate with axle, enter the cavity 28 material especially into rotating seat inner chamber 9 with turning
The height nip of sub-pump does not stop conversion, and material is ceaselessly passed in and out with rotating seat inner chamber 9 at cavity 28, plays above-mentioned machine sealing
To good cooling and lubrication, thus be conducive to extending the service life of above-mentioned machine sealing.Rotating ring 6 is same with compression spring 12
In material district, this model machine front cover is easier to seal；The pressure of material is identical with the elastic force direction of compression spring 12, be all force dynamic
Ring 6 compresses with stationary ring 4, forces the second O 11 and the first O 8 compacted simultaneously.Owing to trundle 13 is floating type insertion
First breach 15 of rotating seat 5, when entering the cavity 28 material pressure with rotating seat inner chamber 9 and rising, forces compression spring 12
Be further compressed, the outer side shifting of rotating seat 5 pump vertically, force simultaneously the second O 11 and the first O 8 further by
Compressing, the thrust between rotating ring 6 and stationary ring 4 strengthens；Due to the second breach 21 of steady pin 19 and stationary ring 4 leave certain between
Gap, also forces trace outside stationary ring 4 pump vertically to move, and the first O 8 is the most compacted, as shown in figure 16；I.e. material pressure
When power rises, sealing synchronizes to rise the most therewith, it is ensured that sealing when material pressure rises.When material pressure declines, above-mentioned
Machine sealing automatically resets again, is rested and reorganized, and thus can reach dynamic equilibrium, can be efficiently against fluid foods compression shock
The considerable influence that the service life of countershaft sealing property and sealing causes.Also can be effectively prevented from material too much to pile up and do not circulate
And cause persistently overheating, affect the phenomenon of the sealing performance of impeller pump and the service life of sealing.The present invention can be effective
Promote impeller pump sealing performance, and significantly promote impeller pump sealing service life.
It addition, cause rotating ring to cause mobile excess outside rotating seat 5 pump vertically when preventing material pressure excessive
First breach 15 of seat 5 departs from trundle 13, can be provided for engaging the bulge loop of spring cushion block 14 at the cylinder inboard wall of rotating seat 5
29, as shown in figure 16；In this case, through hole 10 can be opened at the connection end of ring seat 5, and bulge loop 29 may be provided at through hole
Outside the pump of 10, to avoid through hole 10 to be opened on bulge loop 29, certainly, even through hole 10 is opened on bulge loop 29；The most permissible
Ensure that the first breach 15 of rotating seat 5 floats without deviating from trundle 13 along trundle 13 all the time.
Embodiment two
As shown in Figure 12 and Figure 13, the present embodiment is on the basis of embodiment one, and the blind end at machine envelope seat 3 also sets up skeleton oil
Envelope 20, other is identical with embodiment.The inner ring of this outside framework oil seal 20 is close to the axle 1 of impeller pump, and the district sealed at it
Territory is passed through lubricating oil or cooling water, forms the cooling and lubricating system increased.So, time in pump without material, can effectively prevent
Machine envelope dry grinding, promotes the service life of impeller pump sealing further.It addition, can add in the outside framework oil seal 20 place section of axle 1
Axle sleeve, to avoid axle 1 to be worn by the lip of outside framework oil seal 20.
Claims (11)
1. a shaft sealer for impeller pump, the axle (1) of described impeller pump is connected with as the impeller (2) of rotor is fixing, its
Being characterised by, described shaft sealer includes machine envelope seat (3) and stationary ring (4), rotating seat (5) and the rotating ring (6) being driven by, all
Cylindrically and be sleeved on axle (1) outside, machine envelope seat (3) is sleeved on rotating seat (5) and outward and fixing with the pump housing (7) is connected, machine envelope
Seat (3) pump outside be the blind end that internal diameter is less, stationary ring (4) be positioned at machine seal seat (3) inner chamber at blind end, directly overlap
It is contained in axle (1) outside, and is connected with machine envelope seat (3), at the gap between stationary ring (4) and machine envelope seat (3), the first O is set
(8)；Being the connection end that internal diameter is less inside the pump of rotating seat (5), the connection end of rotating seat (5) is directly sleeved on axle (1) outside,
The cylinder of rotating seat (5) stretches into machine envelope seat (3) inner chamber, forms cavity (28), rotating seat between rotating seat (5) and machine envelope seat (3)
(5) forming rotating seat inner chamber (9) between cylinder and axle (1), multiple through hole (10) is offered in the cylinder periphery along rotating seat (5),
Described rotating ring (6) is positioned at outside the pump of rotating seat (5) and is directly sleeved on axle (1) outside, is provided for inside the pump of rotating ring (6)
Second O (11) in gap between moving sealing ring (6) and axle (1), in rotating seat inner chamber (9), at the connection end of rotating seat (5)
And arranging compression spring (12) between rotating ring (6), this compression spring (12) is also sleeved on axle (1) outside, the outer face of rotating ring (6)
(23) being mutually close to stationary ring (4) inner face (24), described rotating seat (5) connects impeller (2) through at least 1 trundle (13),
Wherein one end close-fitting of described trundle (13) connects, the floating type insertion of the other end.
2. shaft sealer as claimed in claim 1, it is characterised in that set up same in circle inside the pump of described rotating ring (6)
The spring cushion block (14) of tubular, described compression spring (12) is arranged between the connection end of rotating seat (5) and spring cushion block (14),
Described spring cushion block (14) is the most directly sleeved on axle (1) outside, and described second O (11) is arranged on spring cushion block (14) and institute
State at the gap between rotating ring (6).
3. shaft sealer as claimed in claim 1, it is characterised in that one end close-fitting of described trundle (13) is at impeller
(2), on, first breach (15) of respective numbers is offered inside the pump of described rotating seat (5) for trundle (13) floating type insertion.
4. shaft sealer as claimed in claim 3, it is characterised in that outside the pump on described impeller (2), symmetry offers 2
Pin-and-hole (16), wherein one end of 2 trundles (13) close-fitting respectively inserts 2 pin-and-holes (16) on described impeller (2), described dynamic
Inside the pump of ring seat (5), also symmetry offers 2 the first breach (15) for trundle (13) floating type insertion.
5. shaft sealer as claimed in claim 1, it is characterised in that along it outside the pump of the cylinder of described rotating seat (5)
Inwall circumference arranges corresponding depression (18) at least provided with 2 convex tendons (17), described rotating ring (6) along its outer wall circumference.
6. shaft sealer as claimed in claim 5, it is characterised in that arrange 4 outside the pump of the cylinder of described rotating seat (5)
Individual convex tendon (17) the most each arranges 4 corresponding depressions along its inwall circumference uniform distribution, described rotating ring (6) with spring cushion block (14)
(18) along it along its outer wall circumference uniform distribution.
7. shaft sealer as claimed in claim 1, it is characterised in that the through hole that the cylinder periphery along described rotating seat is offered
(10) it is 4, and uniform along the cylinder periphery of dynamic described rotating seat (5).
8. shaft sealer as claimed in claim 2, it is characterised in that the cylinder inboard wall of described rotating seat (5) is provided for
The bulge loop (29) of locking spring cushion block (14).
9. shaft sealer as claimed in claim 1, it is characterised in that described machine envelope seat (3) is offered near its pump outside
Pin-and-hole (16), described pin-and-hole (16) at least 2, along the cylinder circumference uniform distribution of described machine envelope seat (3), each pin-and-hole (16) is with close-fitting
Mode inserts steady pin (19)；The second breach (21) is offered, for steady pin (19) with pine formula formula outside the pump of described stationary ring (4)
Insert.
10. shaft sealer as claimed in claim 1, it is characterised in that the blind end of described machine envelope seat (3) also sets up skeleton
Oil sealing (20), the inner ring of this outside framework oil seal (20) is close to the axle (1) of described impeller pump, and the region sealed at it is passed through lubrication
Oil or cooling water.
11. 1 kinds of impeller pumps being used for carrying non-hygiene level high viscosity fluid material, including the pump housing (7), as the 2 of interactive rotor
Individual impeller (2) is positioned at the pump housing (7), and the impeller (2) that parallel two piece axle (1) of synchronized case output are the most corresponding is fixed
Connect, it is characterised in that every axle (1) also includes the shaft sealer as described in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917398.4A CN106286291B (en) | 2016-10-21 | 2016-10-21 | Rotor pump shaft sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917398.4A CN106286291B (en) | 2016-10-21 | 2016-10-21 | Rotor pump shaft sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286291A true CN106286291A (en) | 2017-01-04 |
| CN106286291B CN106286291B (en) | 2018-05-18 |
Family
ID=57719632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917398.4A Active CN106286291B (en) | 2016-10-21 | 2016-10-21 | Rotor pump shaft sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286291B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061266A (en) * | 2017-05-22 | 2017-08-18 | 宁波邦威泵业有限公司 | Impeller pump and its shaft sealer |
| CN107100883A (en) * | 2017-05-23 | 2017-08-29 | 孙海龙 | A kind of chemical centrifugal pump with shock-absorbing function |
| CN108302035A (en) * | 2017-12-20 | 2018-07-20 | 杭州电子科技大学 | A kind of packaging machinery sealing elastomer Quimby pump |
| CN109176988A (en) * | 2018-11-22 | 2019-01-11 | 山东豪迈机械科技股份有限公司 | A kind of sealing device and vacuumize tire-mold |
| CN115013306A (en) * | 2022-07-12 | 2022-09-06 | 宁波邦威泵业有限公司 | Shaft sealing device of rotor pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202005A (en) * | 1987-03-12 | 1988-09-14 | Ssp Pumps | Pump |
| JP2003129965A (en) * | 2001-10-25 | 2003-05-08 | Daido Metal Co Ltd | Rotary pump |
| CN201401323Y (en) * | 2009-04-29 | 2010-02-10 | 谭在良 | Pump body machine seal of birotor rotary displacement pump |
| CN104500391A (en) * | 2014-12-18 | 2015-04-08 | 浙江威隆机械科技有限公司 | Double-end-face integrated packaging washing mechanical seal of rotor pump |
| CN105201899A (en) * | 2015-10-23 | 2015-12-30 | 宁波方力密封件有限公司 | Mechanical seal for boiler feed pump |
| CN204984868U (en) * | 2015-07-28 | 2016-01-20 | 芜湖环球汽车配件有限公司 | Novel stainless steel impeller pump |
| CN206144785U (en) * | 2016-10-21 | 2017-05-03 | 宁波邦威泵业有限公司 | Rotor pump shaft -seal device |
-
2016
- 2016-10-21 CN CN201610917398.4A patent/CN106286291B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202005A (en) * | 1987-03-12 | 1988-09-14 | Ssp Pumps | Pump |
| JP2003129965A (en) * | 2001-10-25 | 2003-05-08 | Daido Metal Co Ltd | Rotary pump |
| CN201401323Y (en) * | 2009-04-29 | 2010-02-10 | 谭在良 | Pump body machine seal of birotor rotary displacement pump |
| CN104500391A (en) * | 2014-12-18 | 2015-04-08 | 浙江威隆机械科技有限公司 | Double-end-face integrated packaging washing mechanical seal of rotor pump |
| CN204984868U (en) * | 2015-07-28 | 2016-01-20 | 芜湖环球汽车配件有限公司 | Novel stainless steel impeller pump |
| CN105201899A (en) * | 2015-10-23 | 2015-12-30 | 宁波方力密封件有限公司 | Mechanical seal for boiler feed pump |
| CN206144785U (en) * | 2016-10-21 | 2017-05-03 | 宁波邦威泵业有限公司 | Rotor pump shaft -seal device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061266A (en) * | 2017-05-22 | 2017-08-18 | 宁波邦威泵业有限公司 | Impeller pump and its shaft sealer |
| CN107100883A (en) * | 2017-05-23 | 2017-08-29 | 孙海龙 | A kind of chemical centrifugal pump with shock-absorbing function |
| CN108302035A (en) * | 2017-12-20 | 2018-07-20 | 杭州电子科技大学 | A kind of packaging machinery sealing elastomer Quimby pump |
| CN109176988A (en) * | 2018-11-22 | 2019-01-11 | 山东豪迈机械科技股份有限公司 | A kind of sealing device and vacuumize tire-mold |
| CN115013306A (en) * | 2022-07-12 | 2022-09-06 | 宁波邦威泵业有限公司 | Shaft sealing device of rotor pump |
| CN115013306B (en) * | 2022-07-12 | 2024-06-07 | 宁波邦威泵业有限公司 | Shaft sealing device of rotor pump |
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|---|---|
| CN106286291B (en) | 2018-05-18 |
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