CN109372762A - A kind of pump - Google Patents
A kind of pump Download PDFInfo
- Publication number
- CN109372762A CN109372762A CN201811435045.6A CN201811435045A CN109372762A CN 109372762 A CN109372762 A CN 109372762A CN 201811435045 A CN201811435045 A CN 201811435045A CN 109372762 A CN109372762 A CN 109372762A
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- CN
- China
- Prior art keywords
- pump
- shell
- pressure
- valves
- check
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000001939 inductive effect Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 240000007643 Phytolacca americana Species 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000628997 Flos Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 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 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention, which relates to, belongs to water pump technology, is related to a kind of pump, and which solve this technical problems of existing solution water pump frequent starting.A kind of pump, including the pump housing, pump chamber is equipped in the pump housing, impeller is equipped in pump chamber, the pump housing tail portion is equipped with the motor for driving impeller, the pump housing is equipped with the water inlet flow channel and outlet passage of connection pump chamber, check-valves is equipped at the water inlet flow channel or outlet passage, it is characterized by: the check-valves is equipped with the elastic component one that check-valves can be made to reset, the check-valves is additionally provided with the transfer device that can transmit water inlet flow channel pressure, the pressure sensitive device one that can incude water inlet flow channel pressure is additionally provided on the pump housing with respect to transfer device, the pressure sensitive device two that can incude water outlet pressure is additionally provided on the outlet passage or water inlet flow channel.The present invention solve pump by single signal control pump operation and stopping, and caused by frequent starting.
Description
Technical field
The present invention, which relates to, belongs to field of mechanical technique, is related to a kind of pump.
Background technique
Water pump is the machinery for conveying liquid or making fluid pressurized, it passes the mechanical energy of prime mover or other external energies
Fluid is given, fluid energy is increased.It when traditional water pump is drawn water from one to another place, only operates by rule of thumb, to being taken out
Water level at water can not monitor, and be easy to cause evacuation.Existing water pump control has mechanical switching mode or electronic switch mode.
Such as a kind of automatic pumping water pump of Publication No. CN202266399U, it is related to when falling below pressure switch with the hydraulic pressure at water
Minimal pressure force value when, pressure switch can automatically open and start pump power, and water pump carries out work of drawing water, when with the water at water
When pressure rises to the maximal pressure force value of pressure switch design, pressure switch can be automatically closed, and simultaneously close off pump power, and water pump stops
It only works, pump power can be automatically opened again when the pressure drops, water pump is started to work, and so circulation will cause frequently opening for pump
It is dynamic.
This technical problem of water pump frequent starting how is solved, is that existing water pump needs the important technology solved to ask
Topic.Existing water pump, which solves frequent starting, mainly following manner, be installed on the pump housing gas tank come compensator or trimmer pressure variation and
Makeup water stream can extend the interval time of pump startup by gas tank to the effect of pressure switch, and this way can play certain
Put the purpose of frequent starting, but after pumping intracorporal liquid release because the release of gas tank pressure still can exist because water pipe compared with
It is short, go out situations such as weep, the case where leading to water pump frequent starting generation influences electrical machinery life.Existing some intelligent water pump meetings
The start and stop of water pump are controlled by connection line plate, and wiring board will appear failure in the process of work and lead to not effectively to water
Pump carries out start and stop, and controls cost height by wiring board, big to the occupancy in space, how preferably to solve water pump frequent starting
This technical problem is the invention patent problem to be solved.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of pump is proposed, the present invention to be solved
The technical issues of be: how to exempt from pump frequent starting, be not provided with wiring board while providing effective protection for motor.
Object of the invention can be realized by the following technical scheme:
A kind of pump, including the pump housing, the pump housing is interior to be equipped with pump chamber, impeller is equipped in pump chamber, the pump housing tail portion is equipped with use
In driving impeller motor, the pump housing be equipped with connection pump chamber water inlet flow channel and outlet passage, the water inlet flow channel or go out
Check-valves is equipped at water flow passage, it is characterised in that: the check-valves is equipped with the elastic component one that check-valves can be made to reset, described to stop
It returns valve and is additionally provided with the transfer device that can transmit water inlet flow channel pressure, opposite transfer device, which is additionally provided with, on the pump housing can incude water inlet flow channel
The pressure sensitive device one of pressure is additionally provided with the feeling of stress that can incude water outlet pressure on the outlet passage or water inlet flow channel
Answer device two.
Its working principles are as follows: outlet passage is closed when pumping at runtime, the pressure in pump chamber can rise at once, make position
It is in close state in the pressure sensitive device two on outlet passage, the check-valves on water inlet flow channel inside pump chamber due to pressing
Power is greater than the pressure of water inlet flow channel, check-valves rising can be made to block water inlet flow channel, the transfer device being arranged on check-valves makes to press
Power sensing device one is in close state, and pump is in close state at this time, and pump can be made to power off, and is pumped out of service.Work as outlet passage
It opens, the fluid in pump chamber is discharged, declines the pressure in pump chamber, the pressure sensitive device two positioned at outlet passage resets,
Check-valves also resets under the action of elastic component one, and the transfer device being arranged on check-valves is also at pressure sensitive device one
Initial opening state, pump, which is powered, at this time runs.Any one of above-mentioned pressure sensitive device one and pressure sensitive device two are in pass
Closed state pumps equal no power and does not run.The fortune that could be powered is pumped due to needing two pressure sensitive devices to be under reset state
Row, therefore solve the problems, such as pump frequent starting.
In above-mentioned pump, the transfer device is located at check-valves bottom, and the transfer device includes magnet one, the pressure
Sensing device one includes sensing device shell, is installed with dead axle in the sensing device shell, is arranged with and stirs on the dead axle
Bar, the fluctuation bar are equipped with the magnet two that can be attracted each other or repel with magnet one, and the sensing device one further includes can
The inductive switch one of induced magnet two or poke rod.Under original state, check-valves is opened, and magnet one far from magnet two, open by fine motion
Close in the open state, i.e., inductive switch is in the open state;Under closed state, closure of check ring, magnet one leans near magnet two,
Using the principle of magnet, poke rod is set to push away inductive switch to inductive switch is close, inductive switch is closed;When pump housing pressure reduction is arrived
When certain value, check-valves reopens under the action of elastic component one, and inductive switch reopens
In above-mentioned pump, the pressure sensitive device two further includes shell one and shell two, the shell one and shell two
Connection forms cavity, locating piece is provided between shell one and shell two, the cavity is divided into cavity one and cavity by locating piece
Two.Pressure sensitive device two is divided into two cavitys by the locating piece being set between both, can be each responsible for different functions,
Locating piece can position the position that be loaded on its internal component simultaneously.
In above-mentioned pump, one bottom of shell is equipped with mounting hole, and the locating piece end is located in mounting hole, described fixed
Position block is equipped with stepped hole, and the step surface of the stepped hole is equipped with retaining ring, and the retaining ring upper surface is equipped with elastic component two, described
Two one end of elastic component mutually reclines with retaining ring upper surface, and the helical member mutually to recline with retaining ring lower end surface is additionally provided in the stepped hole,
It is equipped with bracket in the cavity two, the pedestal lower end face mutually reclines with two other end of elastic component.Changed by the rotation of helical member
Become its position, to push the position of retaining ring, change the internal stress of elastic component two, adjusts increasing of the elastic component two due to using the time
Long, elasticity reduces, and cannot play original functional effect.
It is additionally provided with guiding axis and touching axis on above-mentioned pump, the bracket, corresponds to guiding axis on the locating piece and opens up
There is guiding axis hole, corresponding touching axis offers touching axis hole, and the induction for touching axis can be incuded by, which being additionally provided in the cavity one, opens
Close two.The touching axis hole that the touching axis passes through on locating piece can touch inductive switch, thus inductive switch determines whether
It should be at the state turned off or on, so that it is determined that whether pump is in the state run.
In above-mentioned pump, the bracket is equipped with cylindrical boss, and the cylindrical boss is equipped with groove, sets in the groove
There is sealing ring, the type chamber that can be inserted into cylindrical boss is additionally provided on the shell two, the sealing ring mutually reclines with type cavity wall.Shell
The boss being arranged on body two be located at type chamber can within move along mold cavity axis, and the movement with dynamic seal ring position is described close
Seal and type chamber recline and can play the role of sealing.
It is additionally provided with the pressure output pipeline being connected with outlet conduit on above-mentioned pump, the pump housing, is set on the shell two
Have an interconnecting piece connecting with pressure output pipeline, be equipped in the interconnecting piece be connected with type chamber into pressure runner.In feeling of stress
After answering device two to be connected with the pump housing by interconnecting piece, the pressure output pipeline being arranged on outlet conduit is connected with into pressure runner,
It is transmitted to the pressure on outlet passage on bracket.
In above-mentioned pump, the type cavity wall is equipped with protruding bar, and the protruding bar can mutually recline with sealing ring.
A raised rib is designed in pressure switch interior of shell, while by cleverly designing so that sealing just past rib,
Inductive switch is closed;While sealing ring returns back across rib, inductive switch is reopened.Inlet pressure increase pushes bracket
Mobile, when sealing ring just contacts rib, inlet pressure need to be greater than two elastic force sinew adding strip of elastic component to the power of sealing ring, and bracket is
It can continue to move to.After sealing ring crosses rib, inlet pressure reduces, and inlet pressure need to be less than two elastic force of elastic component and subtract rib to close
The power of seal.The presence of rib makes pressure switch close and generate a pressure difference when opening, and can play pressure stabilizing, avoid pumping
Internal pressure is unstable to start pressure switch frequently.
In above-mentioned pump, the pressure sensitive device one is connected with pressure sensitive device two.It can be with by concatenated mode
Avoid using circuit control panel, the inductive switch in pressure sensitive device one and pressure sensitive device two one of them be in and disconnect
When state, pump is in off-position, achievees the effect that prevent frequent starting in its simplest form.
Compared with prior art, the invention has the following advantages that
1, any one of pressure sensitive device one and pressure sensitive device two are in close state, and are pumped equal no power and are not transported
Row.The operation that could be powered is pumped due to needing two pressure sensitive devices to be under reset state, prevents pump frequent starting.It avoids
Pump only controls the start and stop of motor with single signal, causes frequent starting.2, it pumps and is stopping moment meeting with certain pressure
Decline, can prevent from pumping since the decline of this pressure leads to the erroneous judgement of pressure sensitive device.3, it pumps in the process of running, voltage
It is unstable etc the case where will leading to the unstable of pump operation pressure, erroneous judgement can be prevented.4, pass through concatenated side
Formula connects pressure sensitive device one and pressure sensitive device two, can remove from and carry out control circuit using circuit control panel, saves
Cost and space, and avoid the failure due to circuit control panel and lead to the failure pumped.
Detailed description of the invention
Fig. 1 is the cross-sectional view of pump
Fig. 2 is two explosive view of pressure sensitive device
Fig. 3 is two cross-sectional view of pressure sensitive device
Fig. 4 is pressure sensitive device partial enlarged view
Fig. 5 is two initial position schematic diagram of pressure sensitive device
Fig. 6 is two closed mode schematic diagram of pressure sensitive device
Fig. 7 is check-valves 3-D view
Fig. 8 is one cross-sectional view of pressure sensitive device
In figure, 1, the pump housing: 2, pump chamber;3, impeller;4 motors;5, water inlet flow channel;6, outlet passage;7, check-valves;8, elastic
Part one;9, transfer device;10, pressure sensitive device one;11, pressure sensitive device two;12, magnet one;13, shell;14, fixed
Axis;15, poke rod;16, magnet two;17, inductive switch one;18, shell one;19, shell two;20, locating piece;21, cavity one;
22, cavity two;23, retaining ring;24, elastic component two;25, helical member;26, bracket;27, guiding axis;28, axis is touched;29, guiding axis
Hole;30, axis hole is touched;31, cylindrical boss;32, groove;33, sealing ring;34, type chamber;35, pressure output pipeline;36, it connects
Portion;37, into pressure runner;38, protruding bar;39, inductive switch two;40, mounting hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
A kind of pump as illustrated in figures 1 and 8, including the pump housing 1, the pump housing 1 is interior to be equipped with pump chamber 2, and impeller 3, pump are equipped in pump chamber 2
1 tail portion of body is equipped with the motor 4 for driving impeller 3, and the pump housing 1 is equipped with the water inlet flow channel 5 and outlet passage 6 of connection pump chamber 2, into
Check-valves 7 is equipped at water flow passage 5 or outlet passage 6, check-valves 7 is equipped with the elastic component 1 that check-valves 7 can be made to reset, non-return
Valve 7 is additionally provided with the transfer device 9 that can transmit 5 pressure of water inlet flow channel, and transfer device 9 is located at 7 bottom of check-valves, and transfer device 9 wraps
Include magnet 1.The pressure sensitive that can incude 6 pressure of water inlet flow channel 5 or outlet passage is additionally provided on the pump housing 1 with respect to transfer device 9
Device 1, pressure sensitive device 1 include sensing device shell 13, are installed with dead axle 14, dead axle in sensing device shell 13
Poke rod 15 is arranged on 14, fluctuation bar is equipped with the magnet 2 16 that can be attracted each other or repel with magnet 1, sensing device
One further includes the inductive switch 1 for capableing of induced magnet 2 16 or poke rod 15.Spring, sea can be used in above-mentioned elastic component one
Silk floss, rubber column etc., as it is preferable to use springs.
As shown in figures 1 and 3, the feeling of stress that can incude water outlet pressure is additionally provided on outlet passage 6 or water inlet flow channel 5
Answer device 2 11.Pressure sensitive device 2 11 further includes shell 1 and shell 2 19, and shell 1 connect shape with shell 2 19
At cavity, locating piece 20 is provided between shell 1 and shell 2 19, cavity is divided by locating piece 20 for cavity 1 and cavity
2 22.One 18 bottom of shell is equipped with mounting hole 40, and 20 end of locating piece is located in mounting hole 40.Shell 1 and shell 2 19 are logical
Cross welding or fastener or clamping connection.Embodiment one: locating piece 20 can be set between shell 1 and shell 2 19
It leans with the two end face, is connected by welding or fastener or clamping, locating piece 20 can also be welded with the inner wall of shell 1
After connecing or connecting and fixing, then shell 2 19 is put by welding or fastener or clamping connection, vice versa.Embodiment
Two: baffle support compression locating piece 20 also can be set on shell 1 and shell 2 19, then by shell 1 and shell two
19 pass through welding or fastener or clamping connection.As preferably by shell one, shell two and locating piece after heap is folded in order, lead to
It crosses and is connect with fastener.
As shown in Figures 2 and 3, locating piece 20 is equipped with stepped hole, and the step surface of stepped hole is equipped with retaining ring 23, retaining ring 23
Upper surface is equipped with elastic component 2 24, and 2 24 one end of elastic component mutually reclines with 23 upper surface of retaining ring, is additionally provided in stepped hole and retaining ring
The helical member 25 that 23 lower end surfaces mutually recline, cavity 2 22 is interior to be equipped with bracket 26,26 lower end surface of bracket and 2 24 other end of elastic component
Mutually recline.It is additionally provided with guiding axis 27 and touching axis 28 on bracket 26, corresponds to guiding axis 27 on locating piece 20 and offers guiding axis hole
29, corresponding touching axis 28 offers touching axis hole 30, is additionally provided with the inductive switch two that can incude touching axis 28 in cavity 1
39.Spring, sponge, rubber column etc. can be used in above-mentioned elastic component two, as it is preferable to use springs.Embodiment one: above-mentioned
Frame bottom end face is a plane, and bottom end face mutually reclines with the elastic component other end.Embodiment two: it is arranged in frame bottom
Groove, groove is interior to be arranged locating shaft, and locating shaft is placed in elastic component, and elastic component is placed in one end end face and groove groove face in groove
Mutually recline.Present invention preferably employs embodiments two.
As shown in Figure 2, Figure 3 and Figure 4, bracket 26 is equipped with cylindrical boss 31, and cylindrical boss 31 is equipped with groove 32, groove
It is equipped with sealing ring 33 in 32, is additionally provided with the type chamber 34 that can be inserted into cylindrical boss 31 on shell 2 19, in sealing ring 33 and type chamber 34
Wall mutually reclines.
As shown in Figure 2, Figure 3 and Figure 4, the pressure output pipeline 35 being connected with outlet conduit, shell are additionally provided on the pump housing 1
2 19 are equipped with the interconnecting piece 36 connecting with pressure output pipeline 35, flow equipped with what is be connected with type chamber 34 into pressure in interconnecting piece 36
Road 37.
As shown in Figure 2, Figure 3 and Figure 4,34 inner wall of type chamber is equipped with protruding bar 38, and protruding bar 38 can be with sealing ring
33 phases recline.
Present invention can apply to land pumps with immersible pump, and sensing device one and sensing device two are according to land pump and diving
Actual demand is pumped, choice arrangement is on water inlet flow channel or outlet passage.
Working principle of the present invention is as follows: when pump at runtime, outlet passage is closed, the pressure in pump chamber can at once on
It rises, is in close state the pressure sensitive device two being located on outlet passage, the check-valves on water inlet flow channel is due to pump
Chamber internal pressure is greater than the pressure of water inlet flow channel, and check-valves rising can be made to block water inlet flow channel, the transmitting on check-valves is arranged in
Device is in close state pressure sensitive device one, and pump is in close state at this time, and pump can be made to power off, and pumps out of service.When
Outlet passage is opened, and the fluid in pump chamber is discharged, declines the pressure in pump chamber, positioned at the pressure sensitive device of outlet passage
Two reset, and check-valves also resets under the action of elastic component one, and the transfer device being arranged on check-valves makes pressure sensitive device
One is also at initial opening state, and pump, which is powered, at this time runs.Above-mentioned pressure sensitive device one and pressure sensitive device two any one
It is a to be in close state, it pumps equal no power and does not run.It is pumped just due to needing two pressure sensitive devices to be under reset state
Can be powered operation.By above-mentioned principle, when user closes valve in use, pump stops, after user opens valve
The i.e. restarting operation of pump.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of pump, including the pump housing (1), the pump housing (1) is interior to be equipped with pump chamber (2), impeller (3) are equipped in pump chamber (2), the pump
Body (1) tail portion is equipped with the motor (4) for driving impeller (3), and the pump housing (1) is equipped with the water inlet flow channel of connection pump chamber (2)
(5) and outlet passage (6) check-valves (7), are equipped at the water inlet flow channel (5) or outlet passage (6), it is characterised in that: described
Check-valves (7) is equipped with the elastic component one (8) that check-valves (7) can be made to reset, and the check-valves (7), which is additionally provided with, can transmit feed water flow
The transfer device (9) of road (5) pressure, opposite transfer device (9), which are additionally provided with, on the pump housing (1) can incude water inlet flow channel (5) or water outlet
The pressure sensitive device one (10) of runner (6) pressure is additionally provided with and can be incuded on the outlet passage (6) or water inlet flow channel (5)
The pressure sensitive device two (11) of water outlet pressure.
2. a kind of pump according to claim 1, it is characterised in that: the transfer device (9) is located at check-valves (7) bottom,
The transfer device (9) includes magnet one (12), and the pressure sensitive device one (10) includes sensing device shell (13), described
It is installed with dead axle (14), is arranged with poke rod (15) on the dead axle (14), on the fluctuation bar in sensing device shell (13)
Equipped with the magnet two (16) that can be attracted each other or repel with magnet one (12), the sensing device one further includes being capable of induced magnet
The inductive switch one (17) of two (16) or poke rod (15).
3. a kind of pump according to claim 1, it is characterised in that: the pressure sensitive device two (11) further includes shell one
(18) and shell two (19), the shell one (18) connect to form cavity with shell two (19), shell one (18) and shell two
(19) locating piece (20) are provided between, the cavity is divided into cavity one (21) and cavity two (22) by locating piece (20).
4. a kind of pump according to claim 3, it is characterised in that: shell one (18) bottom is equipped with mounting hole (40),
Locating piece (20) end is located in mounting hole (40), and the locating piece (20) is equipped with stepped hole, the platform of the stepped hole
Terrace be equipped with retaining ring (23), retaining ring (23) upper surface be equipped with elastic component two (24), described elastic component two (24) one end with
Retaining ring (23) upper surface mutually reclines, and the helical member (25) mutually to recline with retaining ring (23) lower end surface, institute are additionally provided in the stepped hole
It states in cavity two (22) and is equipped with bracket (26), bracket (26) lower end surface mutually reclines with elastic component two (24) other end.
5. a kind of pump according to claim 4, it is characterised in that: be additionally provided with guiding axis (27) and touching on the bracket (26)
It touches axis (28), guiding axis (27) is corresponded on the locating piece (20) and offers guiding axis hole (29), corresponding touching axis (28) opens up
Have touching axis hole (30), the inductive switch two (39) that can incude touching axis (28) is additionally provided in the cavity one (21).(induction
Switch will write two embodiments, close switch, microswitch).
6. a kind of pump according to claim 5, it is characterised in that: the bracket (26) is equipped with cylindrical boss (31), institute
Cylindrical boss (31) are stated equipped with groove (32), the groove (32) is interior to be equipped with sealing ring (33), on the shell two (19) also
Equipped with the type chamber (34) that can be inserted into cylindrical boss (31), the sealing ring (33) mutually reclines with type chamber (34) inner wall.
7. a kind of pump according to claim 6, it is characterised in that: be additionally provided on the pump housing (1) and to be connected with outlet conduit
Pressure output pipeline (35), the shell two (19) is equipped with the interconnecting piece (36) connecting with pressure output pipeline (35), described
Be equipped in interconnecting piece (36) be connected with type chamber (34) into pressure runner (37).
8. a kind of pump according to claim 7, it is characterised in that: type chamber (34) inner wall is equipped with protruding bar
(38), the protruding bar (38) can mutually recline with sealing ring (33).
9. a kind of pump according to claim 1, it is characterised in that: the pressure sensitive device one (10) and pressure sensitive fill
Set two (11) series connection.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811435045.6A CN109372762A (en) | 2018-11-28 | 2018-11-28 | A kind of pump |
PCT/CN2019/102795 WO2020107969A1 (en) | 2018-11-28 | 2019-08-27 | Pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811435045.6A CN109372762A (en) | 2018-11-28 | 2018-11-28 | A kind of pump |
Publications (1)
Publication Number | Publication Date |
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CN109372762A true CN109372762A (en) | 2019-02-22 |
Family
ID=65377147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811435045.6A Withdrawn CN109372762A (en) | 2018-11-28 | 2018-11-28 | A kind of pump |
Country Status (2)
Country | Link |
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CN (1) | CN109372762A (en) |
WO (1) | WO2020107969A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020107969A1 (en) * | 2018-11-28 | 2020-06-04 | 利欧集团浙江泵业有限公司 | Pump |
CN115306735A (en) * | 2022-07-11 | 2022-11-08 | 利欧集团浙江泵业有限公司 | Controller for starting and stopping water level of submersible pump |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020107969A1 (en) * | 2018-11-28 | 2020-06-04 | 利欧集团浙江泵业有限公司 | Pump |
CN115306735A (en) * | 2022-07-11 | 2022-11-08 | 利欧集团浙江泵业有限公司 | Controller for starting and stopping water level of submersible pump |
Also Published As
Publication number | Publication date |
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WO2020107969A1 (en) | 2020-06-04 |
WO2020107969A9 (en) | 2021-04-15 |
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Application publication date: 20190222 |