CN106286290A - The shaft sealer of impeller pump - Google Patents
The shaft sealer of impeller pump Download PDFInfo
- Publication number
- CN106286290A CN106286290A CN201610916537.1A CN201610916537A CN106286290A CN 106286290 A CN106286290 A CN 106286290A CN 201610916537 A CN201610916537 A CN 201610916537A CN 106286290 A CN106286290 A CN 106286290A
- Authority
- CN
- China
- Prior art keywords
- seat
- rotating seat
- pump
- rotating
- axle
- 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.)
- Granted
Links
Classifications
-
- 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
- F04C15/0023—Axial sealings for working fluid
-
- 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
-
- 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
Landscapes
- 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, the rotating seat inner chamber (9) of closing is formed between cylinder and the axle (1) of rotating seat (5), second O (11) is set at the gap between rotating ring (6) and rotating seat (5), in rotating seat inner chamber (9), arranging compression spring (12) between the connection end and rotating ring (6) of rotating seat (5), rotating ring (6) is mutually close to stationary ring (4)；Between connection end and the axle (1) of rotating seat (5), the 3rd O (30) is set；Rotating seat (5) connects impeller (2) through at least 1 trundle (13), and 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 sanitation-grade impeller pump.
Description
Technical field
The present invention relates to the shaft sealer of a kind of impeller pump, the mechanical type sealing of a kind of sanitation-grade impeller pump
Device.
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: 1. food beverages: milk, latex, chocolate, syrup, cheese, beerwort, medicated beer, soda pop etc.；2. fruit
Concentrate: pudding, fruit jam, fruit jelly, tomato sauce etc.；3. paste series products: fat and oils and fats etc.；4. cosmetics: facial cream, washing
Agent, hair style gel, perfumery oil etc.；5. medicine class: extractum, Emulsion, pill slurry etc.；Non-hygiene level material refers to except sanitation-grade
Industrial products and the semi-finished product fluid foods such as the fluid foods beyond material, predominantly chemical industry papermaking, including dyestuff, oils and fats, molten
Agent, resin and polymer, paper pulp etc... all spare and accessory parts contacted with conveying material in impeller pump, generally individually use and meet health
The stainless steel material of standard makes, and its sealing member all uses nontoxic rubber；Rust-preventing characteristic and non-toxic seal guarantee safety reliably
Health.
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.
It is true that the pressure passing in and out the fluid foods that space, machine sealing place is in contact with it is change, inventor
After years of research and found that, its machine sealing of prior art is being axially fixed design, the change of convection cell material pressure just
Change and do not take suitable counter-measure, just cause the countershaft sealing property of fluid foods compression shock of change and making of sealing
Large effect is caused with the life-span；So, the use of the countershaft sealing property of fluid foods compression shock and sealing how is overcome
The considerable influence that life-span causes？It addition, how the mechanical type shaft sealer of impeller pump provides health to protect for sanitation-grade material
Barrier？
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 the rotating seat inner chamber (9) of closing between cylinder and axle (1), described rotating ring (6) is positioned at outside the pump of rotating seat (5) the most direct
It is sleeved on axle (1) outside, and is connected with rotating seat (5), at the gap between rotating ring (6) and rotating seat (5), the second O is set
(11), in rotating seat inner chamber (9), compression spring (12), pressurized bullet are set between the connection end and rotating ring (6) of rotating seat (5)
Spring (12) is also sleeved on axle (1) outside, and rotating ring (6) is mutually close to the end face (24) that contacts of stationary ring (4)；Described rotating seat (5)
Connection end and axle (1) between the 3rd O (30) is set；Described rotating seat (5) connects impeller through at least 1 trundle (13)
(2), wherein one end close-fitting of described trundle (13) connects, the floating type insertion of the other end.
For to be directly sleeved on the single big spring outside axle 1, this single big spring is traditional to described compression spring (12)
Helical spring or wavy spring；Or, described compression spring (12) is multiple little springs that circumference is uniform outside axle 1.
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.
The connection end inwall of described rotating seat (5) offers groove (33), and described 3rd O (30) embeds this groove (33)
In.
The cylinder of described rotating seat (5) offers connecting hole (31), and described connecting hole (31) at least 2, along described rotating ring
The cylinder circumference uniform distribution of seat (5), each connecting hole (31) inserts pin (32) in close-fitting mode；Open inside the pump of described rotating ring (6)
If corresponding second breach (21), insert with pine formula formula for pin (32).
Described connecting hole (31) be a pair cylinder circumference along rotating seat (5) symmetrical include the logical of internal thread segment
Hole, pin (32) includes one section of external thread section (34) matched with the internal thread segment of the connecting hole (31) of rotating seat (5).
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)
Corresponding 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 sanitation-grade 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 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, thus can reach
Dynamic equilibrium, can be bigger with what the service life of sealing caused efficiently against the countershaft sealing property of fluid foods compression shock
Impact.Also can be effectively prevented from material too much pile up do not circulate and cause persistently overheating, affect the sealing performance of impeller pump
Phenomenon with the service life of sealing.The present invention can effectively promote the sealing performance of impeller pump, and significantly lifting turns
The service life of sub-shaft seal.Further, since rotating seat inner chamber is by axle, rotating seat, rotating ring, the second O, pin and
The closing space that three O are surrounded, material will not enter rotating seat inner chamber, and the compression spring being positioned at rotating seat inner chamber will not be with
Material contacts；The machine sealing chamber that material can enter is exactly to form cavity between machine envelope seat and rotating seat.So, one carrys out compression spring and does not has
There is material resistance, also will not be clung by material and affect its elasticity so that the sealing effect of impeller pump is more preferable；Two carry out material not
Can be detained at spring dead angle, the hygiene degree of material is promoted.Present invention is particularly suitable for use in conveying sanitation-grade thing
The sealing of the impeller pump of material.
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 is pin schematic diagram；
Fig. 7, Fig. 8 are interchangeable rotating ring or stationary ring schematic perspective view, show different azimuth；
Fig. 9 is the shaft sealer entirety cross-sectional view of the embodiment of the present invention one impeller pump；
Figure 10 is the shaft sealer cross-sectional view of the embodiment of the present invention two impeller pump；
Figure 11 is the shaft sealer entirety cross-sectional view of the embodiment of the present invention two impeller pump；
Figure 12 is the two blade impeller schematic front view that the present invention is adaptive；
Figure 13 is the two blade impeller generalized section that the present invention is adaptive.
Detailed description of the invention
Below to describe the detailed description of the invention of the present invention shown in Fig. 1 to Figure 13 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 sanitation-grade 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 fixing connected mode: machine envelope seat 3 is outside its pump
Place offers pin-and-hole 16, and inserts steady pin 19 in close-fitting mode；The second breach 21 is offered, such as Fig. 7, Fig. 8 institute outside the pump of stationary ring 4
Show, insert with pine formula formula for steady pin 19.At gap between stationary ring 4 and machine envelope seat 3, the first O 8 is set.Machine envelope seat 3
As shown in Figure 2 and Figure 3, rotating seat 5 is as shown in Figure 4, Figure 5.
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
The rotating seat inner chamber 9 of closing is formed between cylinder and axle 1.Rotating ring 6 is positioned at outside the pump of rotating seat 5 and is directly sleeved on outside axle 1
Face, arranges the second O 11 at the gap between rotating ring 6 and rotating seat 5；In rotating seat inner chamber 9, at the connection end of rotating seat 5
And arranging compression spring 12 between rotating ring 6, this pressing spring 12 is also sleeved on outside axle 1, the end face 24 of rotating ring 6 and the end of stationary ring 4
Face 24 is mutually close to, and forms revolute pair.In the present embodiment, rotating ring 6 is identical with stationary ring 4, can change general mutually, arranges along axial symmetry.
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 12, Figure 12, 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.
The compression spring 12 of the present invention is directly to be sleeved on the single spring outside axle 1, can use 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 stationary ring 4 inner face 24 uniform force of rotating ring 6
Distribution；So being preferred with the wavy spring using end face smooth；As used traditional helical spring, its both ends of the surface can be scabbled.
Or, described compression spring 12 is multiple little springs that circumference is uniform outside axle 1.
The connection end inwall of rotating seat 5 offers groove 33, and as shown in Figure 4, the 3rd O 30 embeds in this groove 33, as
Shown in Fig. 1.
As it is shown in figure 1, the drive connection of rotating seat 5 and rotating ring 6 can be in the following way: the cylinder of rotating seat 5 is offered even
Connect hole 31, connecting hole 31 at least 2.Generally, the cylinder circumference along rotating seat 5 offers symmetrical through hole as connecting hole
31, as shown in Figure 4, Figure 5；Certainly, it is possible to the cylinder circumference along rotating seat 5 offer 3,4 through holes as connecting hole 31,
Connecting hole 31 is suitable for the cylinder circumference uniform distribution along rotating seat 5；Connecting hole 31 includes internal thread segment, and each connecting hole 31 is in close-fitting mode
Insert pin 32；Corresponding second breach 21 is offered, as shown in Figure 7, Figure 8, for pin 32 with pine formula formula inside the pump of rotating ring 6
Insert.Pin 32 includes one section of external thread section 34 matched with the internal thread segment of the connecting hole 31 of rotating seat 5, as shown in Figure 6；Twist
Can be screwed into again after the external thread section 34 of pin 32 curls up band before entering pin 32 so that it is tight with the connecting hole 31 of rotating seat 5
Join.
During the assembling of rotating seat 5 associated components, first compression spring 12 is loaded rotating seat 5, then rotating ring 6 is loaded rotating seat 5
Cylinder, is screwed into the pin 32 curling up band the connecting hole 31 of rotating seat 5 simultaneously, and it is dynamic respectively to make the front end of pin 32 insert
Second breach 21 of ring 6.Second O 11 should be contained on rotating ring 6 in advance.Due to pin 32 and rotating ring 6 the second breach 21 it
Between retain certain gap, so, when impeller pump can be made to work, rotating ring 6 is automatically adjusted its axial position in the way of trace moves
Put.
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, and groove 26 is embedded in
4th 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, makes stationary ring
The second breach 21 on 4 is directed at the pin-and-hole 16 on machine envelope seat 3, and steady pin 19 inserts pin-and-hole 16 on machine envelope seat 3 by force, fixing
The second breach 21 on stationary ring 4 is inserted with pine formula formula in the front end of pin 19；Certain owing to retaining between steady pin 19 and stationary ring 4
Gap, so, when impeller pump can be made to work, stationary ring 4 is automatically adjusted its axial location in the way of trace moves.When totally assembling,
First rotating seat 5 associated components is contained in pump housing machine sealing chamber, after machine sealed that seat 3 is fixing with the pump housing 7 to be connected, make the end face of rotating ring 6
24 are mutually close to the end face 24 of stationary ring 4, and the first O 8 pressurized under compression spring 12 acts on forms initial deformation.Dress impeller
When 2, the other end of the trundle 13 with its close-fitting is made to insert the first breach 15 on rotating seat 5.
The shaft sealer overall structure of the present embodiment impeller pump is as shown in Figure 9.
As shown in Fig. 1, Fig. 9, during impeller pump work, machine envelope seat 3, steady pin 19, stationary ring the 4, first O 8 are with the pump housing 7 phase
To transfixion, impeller 2, trundle 13, rotating seat 5, rotating ring the 6, second O 11, compression spring 12 and spring cushion block 14 with
Axle rotates, and the end face 24 of rotating ring 6 is mutually close to the end face 24 of stationary ring 4, forms revolute pair.Rotating seat inner chamber 9 is by axle 1, dynamic
The closing space that ring seat 5, rotating ring the 6, second O 11, pin 32 and the 3rd O 30 are surrounded, material will not enter rotating ring
Seat inner chamber 9, the compression spring 12 being positioned at rotating seat inner chamber 9 will not contact with material, and so, one carrys out compression spring 12 does not has material
Resistance, also will not be clung by material and affect its elasticity so that the sealing effect of impeller pump is more preferable；Two carry out material will not be at bullet
Being detained at spring dead angle, the health rank of material is promoted.
As shown in Fig. 1, Fig. 9, cavity 28 communicates with the inner chamber of impeller pump, and the partial material of impeller pump inner chamber will be entered
Enter cavity 28, to including that rotating ring 6, the machine sealing of stationary ring the 4, first O the 8, second O 11 play cooling and lubrication；
Further, owing to rotating seat 5, rotating ring the 6, second O 11 rotate with axle, the material height nip with impeller pump of cavity 28 is entered
Not stopping conversion, material is ceaselessly passed in and out at cavity 28, and above-mentioned machine sealing is played good cooling and lubrication, thus
Be conducive to extending the service life of above-mentioned machine sealing.The pressure of material is identical with the elastic force direction of compression spring 12, all forces
Rotating 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 inserting
Enter the first breach 15 of rotating seat 5, when the material pressure entering cavity 28 rises, force compression spring 12 to be pressed further
Contracting, the outer side shifting of rotating seat 5 pump vertically, force the second O 11 and the first O 8 the most compacted, rotating ring 6 simultaneously
And the thrust between stationary ring 4 strengthens；Owing to the second breach 21 of steady pin 19 with stationary ring 4 leaves certain gap, also force
Outside stationary ring 4 pump vertically, trace moves, and the first O 8 is the most compacted, and when i.e. material pressure rises, sealing is the most therewith
Synchronize to rise, it is ensured that sealing when material pressure rises.When material pressure declines, above-mentioned machine sealing automatically resets again,
To rest and reorganize, dynamic equilibrium thus can be reached, can be close with axle efficiently against the countershaft sealing property of fluid foods compression shock
The considerable influence that the service life of envelope causes.Also can be effectively prevented from material too much pile up do not circulate and cause persistently overheating,
Affect the phenomenon of the sealing performance of impeller pump and the service life of sealing.The axle that the present invention can effectively promote impeller pump is close
Sealing property, and significantly promote the service life of impeller pump sealing.
Embodiment two
As shown in Figure 10, Figure 11, 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 (10)
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 the rotating seat inner chamber (9) of closing between cylinder and axle (1), described rotating ring (6) is positioned at outside the pump of rotating seat (5)
And directly it is sleeved on axle (1) outside, and it is connected with rotating seat (5), at the gap between rotating ring (6) and rotating seat (5), arranges the
Two O (11), in rotating seat inner chamber (9), arrange compression spring (12) between the connection end and rotating ring (6) of rotating seat (5),
Compression spring (12) is also sleeved on axle (1) outside, and rotating ring (6) is mutually close to the end face (24) that contacts of stationary ring (4)；Described rotating ring
Between connection end and the axle (1) of seat (5), the 3rd O (30) is set；Described rotating seat (5) is through at least 1 trundle (13) even
Connecing impeller (2), 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 described compression spring (12) is for being directly sleeved on axle 1
The single big spring of outside, this single big spring is traditional helical spring or wavy spring；Or, described compression spring (12)
For multiple little springs that circumference outside axle 1 is uniform.
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 the connection end inwall of described rotating seat (5) is offered recessed
Groove (33), described 3rd O (30) embeds in this groove (33).
6. shaft sealer as claimed in claim 1, it is characterised in that the cylinder of described rotating seat (5) offers connecting hole
(31), described connecting hole (31) at least 2, along the cylinder circumference uniform distribution of described rotating seat (5), each connecting hole (31) is with close-fitting
Mode inserts pin (32)；Corresponding second breach (21) is offered, for pin (32) with pine formula inside the pump of described rotating ring (6)
Formula is inserted.
7. shaft sealer as claimed in claim 6, it is characterised in that described connecting hole (31) be a pair along rotating seat (5)
The symmetrical through hole including internal thread segment of cylinder circumference, pin (32) includes the connecting hole of a section and rotating seat (5)
(31) external thread section (34) that internal thread segment matches.
8. 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)；Corresponding second breach (21) is offered, for steady pin (19) with pine outside the pump of described stationary ring (4)
Formula formula is inserted.
9. 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.
10. for carrying an impeller pump for sanitation-grade high viscosity fluid material, including the pump housing (7), as 2 of interactive rotor
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 fixing even
Connect, it is characterised in that every axle (1) also includes the shaft sealer as described in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916537.1A CN106286290B (en) | 2016-10-21 | 2016-10-21 | The shaft sealer of impeller pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916537.1A CN106286290B (en) | 2016-10-21 | 2016-10-21 | The shaft sealer of impeller pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286290A true CN106286290A (en) | 2017-01-04 |
| CN106286290B CN106286290B (en) | 2018-05-18 |
Family
ID=57719642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610916537.1A Active CN106286290B (en) | 2016-10-21 | 2016-10-21 | The shaft sealer of impeller pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286290B (en) |
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 |
| 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 |
| CN206234109U (en) * | 2016-10-21 | 2017-06-09 | 宁波邦威泵业有限公司 | Impeller pump and its shaft sealer |
-
2016
- 2016-10-21 CN CN201610916537.1A patent/CN106286290B/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 |
| CN206234109U (en) * | 2016-10-21 | 2017-06-09 | 宁波邦威泵业有限公司 | Impeller pump and its shaft sealer |
Cited By (3)
| 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 |
| CN115013306A (en) * | 2022-07-12 | 2022-09-06 | 宁波邦威泵业有限公司 | Shaft sealing device of rotor pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286290B (en) | 2018-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106286291B (en) | Rotor pump shaft sealing device | |
| CN106286290A (en) | The shaft sealer of impeller pump | |
| CN102734109B (en) | Fully water-lubricated valve distribution plunger pump | |
| CN201753683U (en) | Rotary-piston pump | |
| CN206234109U (en) | Impeller pump and its shaft sealer | |
| CN206144785U (en) | Rotor pump shaft -seal device | |
| CN105041594A (en) | Compact Radial Piston Hydraulic Machine Having a Cylinder Block with Deforming Regions | |
| CN201943944U (en) | Impeller pump with novel impeller structure | |
| CN108301999A (en) | A kind of two-dimentional plunger pump of space cam transmission | |
| CN113389923A (en) | Pressure relief device for mushroom sterilization | |
| CN201521440U (en) | Improved inward rotation type gear pump | |
| CN113374665A (en) | Variable mechanism of through-shaft type swash plate plunger pump and motor | |
| CN107061266A (en) | Impeller pump and its shaft sealer | |
| CN207004804U (en) | Impeller pump and its shaft sealer | |
| CN105443159A (en) | Rotating apparatus, engine, fluid motor, compressor and pump for realizing transforming between rotation and contra-rotation | |
| CN207692917U (en) | A kind of sweet potato powder manufacturing system | |
| CN209469577U (en) | Rotor pump shaft sealing device | |
| CN103925182B (en) | The two inclined plate axial piston pump that a kind of cylinder body is static | |
| CN108843615A (en) | rotor pump shaft sealing device | |
| CN107345072A (en) | A kind of flexible solid rotary seal filler and preparation method thereof | |
| CN105275801B (en) | Can response quickly speed change servo vane pump | |
| CN212466832U (en) | Non-impeller rotor valveless pump for artificial heart | |
| CN207195168U (en) | Double triangle impeller pump | |
| US2441771A (en) | Yieldable drive for rotors | |
| CN204299866U (en) | Cantilever type lubrication three screw pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |