CN109469627A - A kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus - Google Patents
A kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus Download PDFInfo
- Publication number
- CN109469627A CN109469627A CN201910011944.1A CN201910011944A CN109469627A CN 109469627 A CN109469627 A CN 109469627A CN 201910011944 A CN201910011944 A CN 201910011944A CN 109469627 A CN109469627 A CN 109469627A
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- Prior art keywords
- ontology
- pumping
- centrifugal pump
- disc
- piston
- Prior art date
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Links
- 238000005086 pumping Methods 0.000 title claims abstract description 67
- 238000000605 extraction Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000002045 lasting effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/043—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock the priming pump being hand operated or of the reciprocating type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of centrifugal pump Portable air extraction devices, comprising: driving ontology, motor, disc, cylinder body, piston, piston rod, pumping ontology, the first check valve, second one-way valve；Motor is fixed on a side end face of driving ontology, and the rotation axis and disc of motor are keyed, and disc is connected with drive rod in a side bearing of the center of rotation far from disc；Driving ontology and cylinder body are threadedly coupled and communicate, and one end hinge connection of piston and piston rod, the other end of piston rod is connected with drive rod；Pumping ontology and cylinder body are threadedly coupled and communicate, and the first check valve is set to the air inlet of pumping ontology, and second one-way valve is set to the venthole of pumping ontology.The present invention is convenient, at low cost with operation, is easily assembled, is portable, the technical characterstic that pumping efficiency is high.
Description
Technical field
The invention belongs to centrifugal pumping apparatus technical field more particularly to a kind of centrifugal pump Portable air extraction devices and centrifugal pump
Equipment.
Background technique
Centrifugal pump usually has the gas accumulated in direct work inside pump case exists, because atmospheric density is smaller, therefore leaf
The centrifugal force generated also very little is taken turns, impeller center just only has faint negative pressure, and negative pressure at this time is not enough to suck liquid, from
The suction inlet of heart pump also can not just form vacuum, will generate air sinuses phenomenon, cause impeller to dally so as to cause centrifugal pump damage
It is bad, so before centrifugation pump startup all interior gas discharge must will be pumped in pump case and suction hose inner filling water.
And it solves problem above at present and mainly has three ways, such as and is following:
The first is washed by water in assembly bottom valve portion, and bottom valve is the inlet that check valve is located at water inlet pipe, but this method pair
Loss caused by bottom valve head is larger, reduces the working efficiency of water pump；
Second is to install a drainage tank additional, and drainage tank is between water pump and water source, using preceding by drainage tank and centrifugation
Topped up with water in pump will cause the very billow of water resource although the simple diversion tank volume of operating method is larger, at high cost
Take；
The third is using large-scale vacuum air extractor, which is easily damaged and is difficult to repair, internal in use process
It is easy that there are air, it is difficult to which Self-discharged needs manually to dredge, if things go on like this will cause the loss of machine, water pump is caused to start
When, the case where not taking out water can be generated, working efficiency is reduced.Each product is using preceding requiring that manually liquid will be filled in pump case
Then body restarts power supply and works, cause to be artificially infused to that program is cumbersome, and working efficiency is low every time.
Summary of the invention
Technical purpose of the invention is to provide a kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus, has operation just
It is prompt, at low cost, easy-maintaining be easily assembled, light technical characterstic portable, pumping efficiency is high.
To solve the above problems, the technical solution of the present invention is as follows:
A kind of centrifugal pump Portable air extraction device, comprising:
Drive ontology, motor, disc, cylinder body, piston, piston rod, pumping ontology, the first check valve, second unidirectionally
Valve；The motor is fixed on a side end face of the driving ontology, and the rotation axis of the motor and the disc are keyed, described
Disc is connected with drive rod in a side bearing of the center of rotation far from the disc, wherein disc described in the motor driven
Rotation, the disc rotation drive the drive rod to rotate around the center of rotation of the disc；The driving ontology and the gas
Cylinder ontology is threadedly coupled and communicates, and the piston is connect with one end hinge of the piston rod, the other end of the piston rod and
The drive rod connection, wherein the motor drives the piston to make back and forth to slide in the cylinder body through the piston rod
It is dynamic；The pumping ontology and the cylinder body are threadedly coupled and communicate, and first check valve is set to the pumping ontology
Air inlet, for gas from the outside of the pumping ontology to the one-way flow of inside, the second one-way valve is set to the pumping
The venthole of gas ontology, for gas from the inside of the pumping ontology to the one-way flow in outside.
An embodiment according to the present invention, first check valve and the second one-way valve include spool, spring, guiding
Block, the spool are embedded in the guide pad, and the valve core housing is equipped with the spring, wherein the both ends of the spring respectively with
The spool and the guide pad Elastic Contact, to realize that the spool and the venthole or the air inlet are closely pressed
It closes.
An embodiment according to the present invention, the pumping ontology are equipped with switch connector at the venthole, for described
The quick installation and removal of the external pipeline of venthole.
An embodiment according to the present invention, the spool of first check valve and the spool of the second one-way valve are arranged with
First sealing ring, for being sealed between the spool and the air inlet or the venthole.
An embodiment according to the present invention, the piston bush is equipped with the second sealing ring, for the inner wall to the cylinder body
It is sealed between the piston.
It is close that the Gewindefreistiche of an embodiment according to the present invention, the driving ontology and the pumping ontology is equipped with third
Seal, for being sealed between the cylinder body and the driving ontology, the cylinder body and the pumping ontology.
An embodiment according to the present invention, the pumping ontology are equipped in the air inlet position for connecting the centrifugal pump
Connection screw thread, the escape of the connection screw thread are equipped with the 4th sealing ring, for the centrifugal pump manual exhauster and described
It is sealed between centrifugal pump.
A kind of centrifugal pumping apparatus, including centrifugal pump Portable air extraction device described in above-mentioned any one embodiment.
The present invention due to using the technology described above, makes it have the following advantages that and actively imitate compared with prior art
Fruit:
(1) present invention setting driving ontology, cylinder body, pumping three removable sections of ontology, drive ontology and pumping
Ontology passes through screw thread respectively and is embedded in cylinder body, easily can install and disassemble between each ontology, to repair, carry, reach
To it is easy-maintaining be easily assembled, light portable, at low cost technical effect；Meanwhile the present invention is rotated using motor driven disc,
Disc rotation drives reciprocating motion of the pistons through piston rod, the reciprocating motion of piston combine two check valves, it can be achieved that it is lasting from
The lasting pumping of heart pump has reached the technical effect that operation is convenient, pumping efficiency is high to solve the air sinuses phenomenon of centrifugal pump；
(2) the first check valve of the invention and second one-way valve are all made of spool, spring, guide pad, are limited by guide pad
Spool position processed exerts a force to spool by spring force, realizes when not being evacuated, first to be directed at air inlet or venthole
Check valve and second one-way valve maintain the lock status, i.e. sealing air inlet and venthole, in air-breathing, the first check valve due to
Draught head overcomes spring force to carry out air-breathing, and second one-way valve maintains the lock status, and in exhaust, the first check valve keeps locking
State, second one-way valve have reached pumping efficiency height, good airproof performance, pumping since draught head overcomes spring force to be exhausted
The good technical effect of effect；
(3) the first check valve of the invention and second one-way valve are arranged the first sealing ring at the spool of the two, increase into
Leakproofness at stomata and venthole is arranged the second sealing ring at piston, increases the leakproofness between cylinder body and piston, gas
It is respectively provided with third sealing ring between cylinder ontology and driving ontology, between cylinder body and pumping ontology, is increased between ontology
Leakproofness, the air inlet for being evacuated ontology is connected through a screw thread centrifugal pump, and is provided with the 4th sealing ring, increases centrifugal pump and extraction
Leakproofness between portion, in conclusion having reached the good technical effect of good airproof performance, pumping effect.
Detailed description of the invention
Fig. 1 is a kind of main view of centrifugal pump Portable air extraction device of the invention；
Fig. 2 is a kind of top view of centrifugal pump Portable air extraction device of the invention；
Appended drawing reference:
11: driving ontology；12: disc；13: drive rod；14: motor；15: cross plug-in unit；16: pedestal；21: cylinder sheet
Body；22: piston；23: piston rod；31: pumping ontology；32: second one-way valve；33: the first check valves；34: spool；35: spring；
36: guide pad；37: switch connector；41: the first sealing rings；42: the second sealing rings；43: third sealing ring；44: the four sealings
Circle.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to a kind of centrifugal pump Portable air extraction device proposed by the present invention and centrifugation
Pumping unit is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.
Referring to Fig. 1, the present embodiment provides a kind of centrifugal pump Portable air extraction devices, comprising: driving ontology 11, motor 14,
Disc 12, cylinder body 21, piston 22, piston rod 23, pumping ontology 31, the first check valve 33, second one-way valve 32；Motor 14
It is fixed on a side end face of driving ontology 11, the rotation axis and disc 12 of motor 14 are keyed, and disc 12 is in separate disc 12
One side bearing of center of rotation is connected with drive rod 13, wherein the rotation of 14 driving disk 12 of motor, the rotation of disc 12 drive driving
Bar 13 is rotated around the center of rotation of disc；Driving ontology 11 and cylinder body 21 are threadedly coupled and communicate, piston 22 and piston rod
23 one end hinge connection, the other end and drive rod 13 connection of piston rod 23, wherein drive rod is through piston rod 23 with piston
22 reciprocatingly slide in cylinder body 21；Pumping ontology 31 and cylinder body 21 are threadedly coupled and communicate, the first check valve 33
Set on the air inlet of pumping ontology 31, for gas from one-way flow of the outside to inside of pumping ontology 31, second one-way valve
32 are set to the venthole of pumping ontology 31, for gas from the inside of pumping ontology 31 to the one-way flow in outside.
Now the mechanical structure in the present embodiment is described in detail:
Specifically, referring to Fig. 2, motor 14 is fixed on pedestal 16 by cross plug-in unit 15, and pedestal 16 is fixed by screw
In a side end face of driving ontology 11, the rotation axis of motor 14 penetrates driving ontology 11, is keyed with disc 12, and solid with nut
Price fixing piece 12 is equipped with bearing between rotation axis and driving ontology 11, and drive rod 13 is mounted on one of disc 12 far from center of rotation
Side, drive rod 13 can surround the center axis thereof of itself, secondly, drive rod 13 is in the rotation of disc 12 after the rotation of disc 12
The heart circles.
Specifically, it is threadedly coupled and communicates referring to Fig. 1, cylinder body 21 and driving ontology 11, pass through screw on piston 22
It is fixed with hinge, hinge is connected with one end of piston rod 23, and the other end of piston rod 23 passes through cylinder body 21 and driving ontology
11 and drive rod 13 connect；It is rotated through 14 driving disk 12 of motor, the rotation of disc 12 drives drive rod 13 in the rotation of disc 12
The heart circles, and 13 circular motion of drive rod reciprocatingly slides in cylinder body 21 through piston rod 23 with piston 22.
Specifically, referring to Fig. 1, be evacuated ontology 31 and cylinder body 21 be threadedly coupled and communicate, pumping ontology 31 be equipped with into
Stomata and venthole, air inlet position are equipped with the first check valve 33, are equipped with second one-way valve 32 at venthole: in pumping state
Under, piston 22 is turned right movement, and inner pressure of air cylinder reduces, acted on by internal and external pressure difference, the first check valve 33 in opened condition, the
Two check valves 32 are in lock state, and gas enters in cylinder from air inlet；Under exhaust condition, piston 22 is moved toward left side, gas
In-cylinder pressure increase, acted on by internal and external pressure difference, the first check valve 33 be in lock state, second one-way valve 32 in opened condition,
Cylinder is discharged from venthole in gas, and piston 22 reciprocatingly slides, and realizes the compression and release of cylinder interior gas, also achieves this
The process that the device of embodiment is evacuated centrifugal pump.
Driving ontology, cylinder body, pumping three removable sections of ontology, driving ontology and pumping ontology is arranged in the present invention
Cylinder body is embedded in by screw thread respectively, easily can install and disassemble between each ontology, to repair, carry, reach
It is easy-maintaining be easily assembled, light portable, at low cost technical effect；Meanwhile the present invention is rotated using motor driven disc, disc
Rotation drives reciprocating motion of the pistons through piston rod, and the reciprocating motion of piston is in conjunction with two check valves, it can be achieved that lasting centrifugal pump
Lasting pumping reached the technical effect that operation is convenient, pumping efficiency is high to solve the air sinuses phenomenon of centrifugal pump.
More preferably, referring to Fig. 1, first check valve 33 and second one-way valve 32 of the present embodiment include spool, spring, lead
To block 36, spool is embedded in guide pad 36, and valve core housing is equipped with spring, wherein the both ends of spring respectively with spool and guide pad 36
Elastic Contact, to realize that spool and venthole or air inlet closely press.Spool is moved along the guide direction of guide pad 36, real
Reveal the opening or locking of stomata or air inlet.
First check valve 33 and second one-way valve 32 of the present embodiment are all made of spool, spring, guide pad 36, pass through guiding
Block 36 limits spool position, to be directed at air inlet or venthole, is exerted a force by spring force to spool, realization be not evacuated
When, the first check valve 33 and second one-way valve 32 maintain the lock status, i.e. sealing air inlet and venthole, in pumping, the
Since draught head overcomes spring force to carry out air-breathing, second one-way valve 32 maintains the lock status one check valve 33, in exhaust, the
One check valve 33 maintains the lock status, and second one-way valve 32 has reached pumping since draught head overcomes spring force to be exhausted
The good technical effect of high-efficient, good airproof performance, pumping effect.
More preferably, referring to Fig. 1, the pumping ontology 31 of the present embodiment is equipped with switch connector 37 at venthole, for going out
The quick installation and removal of the external pipeline of stomata.The switch connector 37 of the present embodiment is the connector of buckle-type, extension tube attached
Road can directly snap connection, and avoid the trouble of the installation and removal of threaded connection, reached and be easily assembled easy-operating technology effect
Fruit.
More preferably, referring to Fig. 1, the spool of the first check valve 33 and the spool of second one-way valve 32 of the present embodiment are arranged
There is the first sealing ring 41, for being sealed between spool and air inlet or venthole.First check valve of the present embodiment
33 and second one-way valve 32 be arranged the first sealing ring 41 at the spool of the two, increase the leakproofness at air inlet and venthole.
More preferably, referring to Fig. 1, the piston 22 of the present embodiment is arranged with the second sealing ring 42, for in cylinder body
It is sealed between wall and piston 22.It is arranged the second sealing ring 42 at the piston 22 of the present embodiment, increase cylinder body 21 and lives
Leakproofness between plug 22.
More preferably, third is equipped with referring to Fig. 1, the driving ontology 11 of the present embodiment and the Gewindefreistiche of pumping ontology 31
Sealing ring 43, for being sealed between cylinder body 21 and driving ontology 11, cylinder body 21 and pumping ontology 31.This reality
It applies between the cylinder body 21 of example and driving ontology 11, be respectively provided with third sealing ring between cylinder body 21 and pumping ontology 31
43, increase the leakproofness between ontology.
More preferably, referring to Fig. 1, the pumping ontology 31 of the present embodiment is equipped with the connection for connecting centrifugal pump in air inlet position
Screw thread, the escape of connection screw thread are equipped with the 4th sealing ring 44, between centrifugal pump Portable air extraction device and centrifugal pump into
Row sealing.The air inlet of the pumping ontology 31 of the present embodiment is connected through a screw thread centrifugal pump, and is provided with the 4th sealing ring 44, increases
Add the leakproofness between centrifugal pump and extracting part.
The present embodiment is sealed the gap between all parts in the present embodiment with sealing ring, has reached leakproofness
Technical effect good, pumping effect is good.
For a better understanding of the invention, now the present embodiment is explained as follows in principle from using:
Referring to Fig. 1, the present embodiment is rotated by 14 driving disk 12 of motor, and the rotation of disc 12 drives drive rod 13 to connect
Piston rod 23, piston rod 23 drive the piston 22 of connection to push to the right by hinge, and the air pressure in the left chamber of the device cylinder is low
In external pressure, and the spool of second one-way valve 32 is locked under the action of the spring, since draught head acts on lower first check valve
33 spool 34 moves right after overcoming 35 resistance of spring, realizes air-breathing；When 14 driving disk 12 of motor rotate, 12 turns of disc
The dynamic piston rod 23 for driving drive rod 13 to connect, piston rod 23 drives the piston 22 of connection to push to the left by hinge, in cylinder
Portion's air pressure is greater than external pressure, and the spool of the first check valve 33 is locked under the action of the spring, due to draught head effect lower second
The spool of check valve 32 moves upwards after against the force of the spring, realizes exhaust.
On the basis of the present embodiment, a kind of centrifugal pumping apparatus is provided, just including the centrifugal pump in any one embodiment
Take formula air extractor.The centrifugal pumping apparatus solves air sinuses phenomenon of the centrifugal pump before drawing water, and passes through the portable pumping of centrifugal pump
Device is easy to operate efficiently to extract the gas accumulated, avoids centrifugal pump damage caused by impeller dallies, realizes centrifugal pump
Quickly draw water.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode.Even if to the present invention, various changes can be made, if these variations belong to the model of the claims in the present invention and its equivalent technologies
Within enclosing, then still fall within the protection scope of the present invention.
Claims (8)
1. a kind of centrifugal pump Portable air extraction device characterized by comprising driving ontology, motor, disc, cylinder body, work
Plug, piston rod, pumping ontology, the first check valve, second one-way valve；The motor is fixed on a side of the driving ontology
Face, the rotation axis of the motor and the disc are keyed, a side axle of the disc in the center of rotation far from the disc
It holds and is connected with drive rod, wherein disc rotation described in the motor driven, the disc rotation drive the drive rod around described
The center of rotation of disc rotates；The driving ontology and the cylinder body are threadedly coupled and communicate, the piston and the work
One end hinge of stopper rod connects, and the other end of the piston rod is connected with the drive rod, wherein the motor is through the piston
Bar drives the piston to reciprocatingly slide in the cylinder body；The pumping ontology and the cylinder body are threadedly coupled simultaneously
It communicates, first check valve is set to the air inlet of the pumping ontology, for gas from the outside of the pumping ontology to interior
The one-way flow of side, the second one-way valve are set to the venthole of the pumping ontology, for gas from the pumping ontology
One-way flow of the inside to outside.
2. centrifugal pump manual exhauster according to claim 1, which is characterized in that first check valve and described
Two check valves include spool, spring, guide pad, and the spool is embedded in the guide pad, and the valve core housing is equipped with the bullet
Spring, wherein the both ends of the spring respectively with the spool and the guide pad Elastic Contact, to realize the spool and described
Venthole or the air inlet closely press.
3. centrifugal pump manual exhauster according to claim 2, which is characterized in that the pumping ontology is in the outlet
Switch connector, the quick installation and removal of the external pipeline for the venthole are equipped at hole.
4. centrifugal pump manual exhauster according to claim 1 to 3, which is characterized in that described first is unidirectional
The spool of valve and the spool of the second one-way valve are arranged with the first sealing ring, for the spool and the air inlet or
It is sealed between venthole described in person.
5. centrifugal pump manual exhauster according to claim 4, which is characterized in that the piston bush is equipped with the second sealing
Circle, for being sealed between the inner wall and the piston to the cylinder body.
6. centrifugal pump manual exhauster according to claim 5, which is characterized in that the driving ontology and the pumping
The Gewindefreistiche of ontology is equipped with third sealing ring, for the cylinder body and the driving ontology, the cylinder sheet
It is sealed between body and the pumping ontology.
7. centrifugal pump manual exhauster according to claim 6, which is characterized in that the pumping ontology is in the air inlet
The connection screw thread for connecting the centrifugal pump is equipped at hole, the escape of the connection screw thread is equipped with the 4th sealing ring, is used for
It is sealed between the centrifugal pump manual exhauster and the centrifugal pump.
8. a kind of centrifugal pumping apparatus, which is characterized in that taken out manually including centrifugal pump as claimed in any one of claims 1 to 7
Device of air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011944.1A CN109469627B (en) | 2019-01-07 | 2019-01-07 | Portable air exhaust device of centrifugal pump and centrifugal pump equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011944.1A CN109469627B (en) | 2019-01-07 | 2019-01-07 | Portable air exhaust device of centrifugal pump and centrifugal pump equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109469627A true CN109469627A (en) | 2019-03-15 |
| CN109469627B CN109469627B (en) | 2024-04-26 |
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| CN201910011944.1A Active CN109469627B (en) | 2019-01-07 | 2019-01-07 | Portable air exhaust device of centrifugal pump and centrifugal pump equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886686A (en) * | 2019-12-20 | 2020-03-17 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
| CN115853794A (en) * | 2023-03-02 | 2023-03-28 | 四川省机械研究设计院(集团)有限公司 | Anti-idling water pump |
| CN110886686B (en) * | 2019-12-20 | 2024-06-07 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
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| US20080118375A1 (en) * | 2005-01-12 | 2008-05-22 | Bsh Bosch Und Siemens Hausgerate Gmbh | Axially Driven Piston-Cylinder Unit |
| CN201209546Y (en) * | 2008-07-01 | 2009-03-18 | 陈人德 | Single pump piston type double-acting air-pumping device for air compressor |
| CN102537433A (en) * | 2011-12-22 | 2012-07-04 | 江南工业集团有限公司 | Balanced air-controlled one-way check valve |
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| CN110886686A (en) * | 2019-12-20 | 2020-03-17 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
| CN110886686B (en) * | 2019-12-20 | 2024-06-07 | 嘉善精展五金工具有限公司 | Manual and pneumatic dual-purpose liquid pumping machine |
| CN115853794A (en) * | 2023-03-02 | 2023-03-28 | 四川省机械研究设计院(集团)有限公司 | Anti-idling water pump |
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