CN106050600A - Fluid supply unit - Google Patents
Fluid supply unit Download PDFInfo
- Publication number
- CN106050600A CN106050600A CN201610591566.5A CN201610591566A CN106050600A CN 106050600 A CN106050600 A CN 106050600A CN 201610591566 A CN201610591566 A CN 201610591566A CN 106050600 A CN106050600 A CN 106050600A
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- China
- Prior art keywords
- imbibition
- piston
- liquid
- feed device
- liquid feed
- 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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Classifications
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention provides a fluid supply unit. The fluid supply unit comprises a fluid storage part, a fluid suction part and a power part; the fluid suction part comprises a fluid suction part body and a piston, a fluid suction cavity is formed in the fluid suction part body, the piston is arranged in the fluid suction cavity, and the fluid suction cavity is provided with a fluid inlet and a fluid outlet; the fluid inlet is communicated with the fluid storage part; the fluid outlet is provided with a one-way valve, and the flowing direction of the one-way valve is that fluid flows out from the fluid suction cavity in a one-way manner; and the power part is connected to the piston and can drive the piston to do reciprocating motion in the fluid suction cavity. The fluid supply unit is simple in structure and convenient to operate, and is high in degree of automation.
Description
Technical field
The present invention relates to hydraulic means, in particular to a kind of liquid feed device.
Background technology
The cleaning robot such as washing machine, dish-washing machine is requisite electrical equipment in daily life, and the height of its applying frequency is also
It is known that.Abluent need to be added be operated when cleaning robot works.
In prior art, abluent be added to artificial manual interpolation, and use every time and be required for again adding.Make
With time more frequently, the most manually add abluent and add the workload of user, reduce work efficiency, and clear adding
Have a certain amount of abluent when of lotion to spill, cause the waste of abluent.
Therefore in order to solve, existing cleaning robot adds abluent complex operation, workload is big, efficiency is low, waste abluent
Problem, it is necessary to provide a kind of simple in construction, the liquid feed device that easy to operate, automaticity is higher.
Summary of the invention
In view of this, the invention aims to overcome deficiency of the prior art, it is provided that a kind of simple in construction, operation
The liquid feed device convenient, automaticity is higher.
For solving the problems referred to above, the solution that the present invention provides is as follows:
A kind of liquid feed device, including liquid storing part, imbibition portion and power part；
Described imbibition portion includes imbibition portion body and piston, and this internal formation imbibition chamber, described imbibition portion, described piston sets
In described imbibition intracavity, described imbibition chamber is provided with inlet and liquid outlet；
Described inlet connects with described liquid storing part；
Described liquid outlet is provided with check valve, and the circulating direction of described check valve is unidirectional outflow from described imbibition chamber；
Described power part is connected on described piston and described piston can be driven to move back and forth at described imbibition intracavity.
Further, described imbibition chamber is provided with air adjustment valve, described imbibition chamber from described air adjustment valve upper air and
Give vent to anger.
Further, described air adjustment valve includes valve body and spool, is formed through extraneous and described suction in described valve body
The runner of sap cavity, described spool is located in described runner.
Further, described liquid outlet connecting water pipe, liquid flows in water pipe after flowing through described check valve.
Further, described power part includes motor and cam, cam rotation described in described driven by motor, described actuated by cams
Described piston does linear reciprocating motion in described imbibition chamber.
Further, described power part also includes guide rail and the slide block at described slide on rails, and described slide block connects described
Piston, slide block described in described actuated by cams does linear reciprocating motion.
Further, described guide rail is provided with two-row roller, and described slide block slides on described two-row roller, on described slide block
Being provided with return idler, described cam drives described slide block to move by described return idler.
Further, described power part is cylinder.
Further, described power part includes motor, gear and tooth bar, and described motor connects described gear, described tooth
Wheel matches with described tooth bar, and described tooth bar is connected on described piston.
Further, described check valve includes that valve pocket, spring and spool, described valve pocket are connected on described imbibition portion body.
Compared with prior art, its remarkable advantage is the present invention:
The liquid feed device of the present invention uses imbibition portion, and imbibition portion is provided with inlet and liquid outlet, unidirectional on liquid outlet
Valve arrangement makes liquid outlet can only go out liquid can not feed liquor.The piston of imbibition connects power part, drives piston by power part
Imbibition chamber moves along a straight line, carries out automatic imbibition and hydraulic fluid action.The liquid feed device simple in construction of the present invention, operation side
Just, it is the liquid feed device that a kind of automaticity is higher.
For making the above-mentioned purpose of the present invention, feature and advantage can become apparent from understandable, preferred embodiment cited below particularly, and join
Close appended accompanying drawing, be described below in detail.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other relevant accompanying drawings.
Fig. 1 shows the structural representation of a kind of liquid feed device that the embodiment of the present invention provided；
Fig. 2 shows the partial side view of a kind of liquid feed device that the embodiment of the present invention provided.
Main element symbol description:
100-liquid feed device；110-liquid storing part；111-liquid feeding cup；112-bowl cover；120-imbibition portion；121-imbibition portion is originally
Body；122-piston；123-imbibition chamber；124-inlet；125-liquid outlet；126,127-sealing ring；130-power part；131-electricity
Machine；132-cam；133-guide rail；1331-two-row roller；134-slide block；1341-return idler；140-check valve；141-valve
Set；142-spring；143,152-spool；150-air adjustment valve；151-valve body；153-runner；160-water pipe；161-threeway；
170-base.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, liquid feed device is described more fully.Accompanying drawing
In give the preferred embodiment of liquid feed device.But, liquid feed device can be realized by many different forms, does not limit
In embodiment described herein.On the contrary, providing the purpose of these embodiments is to make the disclosure to liquid feed device more
Thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " time,
There is not intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are simply
For illustrative purposes.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.Term used in the description at liquid feed device is intended merely to describe herein
The purpose of specific embodiment, it is not intended that limit the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is elaborated.
Embodiment
Seeing also Fig. 1 and Fig. 2, liquid feed device 100 includes liquid storing part 110, imbibition portion 120 and power part 130.Imbibition
Portion 120 includes imbibition portion body 121 and piston 122, forms imbibition chamber 123 in imbibition portion body 121, and piston 122 is located at imbibition
In chamber 123, imbibition chamber 123 is provided with inlet 124 and liquid outlet 125.Inlet 124 connects with liquid storing part 110.Liquid outlet
125 are provided with check valve 140, and the circulating direction of check valve 140 is unidirectional outflow from imbibition chamber 123.Power part 130 is connected to
On piston 122 and piston 122 can be driven to move in imbibition chamber 123.
Above-mentioned, liquid storing part 110 is for storing the liquid of required interpolation.Imbibition portion 120 is for by the liquid in liquid storing part 110
From inlet 124 sucking-off, and extrude from liquid outlet 125, thus reach the effect of feed flow.Imbibition portion 120 is equivalent to an injection
Device, adds power part 130, and power part 130 drives the piston 122 in imbibition portion 120 to move reciprocatingly so that liquid feed device 100 is certainly
Dynamic feed flow.
Concrete, liquid storing part 110 is a container, and liquid storing part 110 is provided with liquid feeding cup 111, from liquid feeding cup 111 to liquid storage
The liquid of 100 confessions of liquid feed device is injected in portion 110.Liquid feeding cup 111 is provided with bowl cover 112, bowl cover 112 be threaded connection or
Clamping is connected on liquid feeding cup 111 or is connected on liquid feeding cup 111 mouthfuls by flip-shell.
Concrete, imbibition portion 120 is equivalent to a syringe, is the feed liquor of syringe with syringe difference and goes out
Liquid is on a mouth, and the inlet 124 in imbibition portion 120 is two different mouths with liquid outlet 125.And by check valve 140
Using, the pipeline that the imbibition action in imbibition portion 120 is connected with hydraulic fluid action is different, to reach the liquid in liquid storing part 110
The purpose extruded.
In the present embodiment, the internal imbibition chamber 123 that is formed, 120, imbibition portion, imbibition chamber 123 is in circular hole.Imbibition chamber 123
Inside is provided with piston 122.The operation principle in imbibition portion 120 is: pulls piston 122 to move in imbibition chamber 123 and makes imbibition chamber
Volume in 123 increases, and the pressure in imbibition chamber 123 reduces, and the liquid in liquid storing part 110 is pressed into imbibition chamber by atmospheric pressure
In 123.Piston 122 is promoted to be extruded from liquid outlet 125 by the liquid in imbibition chamber 123.
Above-mentioned, the imbibition in imbibition portion 120 carrys out imbibition by negative pressure, so the sealing in piston 122 and imbibition chamber 123 determines
The quality of imbibition portion 120 imbibition effect.It is cased with sealing ring 126 on piston 122, is cased with piston 122 and the imbibition of sealing ring 126
Chamber 123 defines interference fit, sealing ring 126 usually quality of rubber materials, is relatively easy to be deformed.Sealing ring 126 becomes
Along with the generation of elastic-restoring force during shape, elastic-restoring force makes the Packed effect of sealing ring 126, sealing ring 126 herein
Be sealed into cylinder seal.Smooth enough is wanted on the surface in imbibition chamber 123, in the abrasion reduced between piston 122 and imbibition chamber 123
While further enhancing the sealing of piston 122 and imbibition chamber 123 so that the imbibition effect in imbibition portion 120 is more preferable.
Imbibition portion 120 capacity of this enforcement is relatively big, and imbibition chamber 123 is longer, and imbibition portion body 121 is by three part splicings
Become.When poroid imbibition chamber 123 is longer, it is not easy to processing, when processing elongated hole, the technique generally using bore hole, when bore hole,
Boring cutter is susceptible to the precision in deformation effect hole, namely affects the precision in imbibition chamber 123.Imbibition portion body 121 is divided into three
Part processing solves above-mentioned processing problems, but the most split type structure also can affect the concordance of position in hole, so
Add man-hour higher to the positioning accuracy request in hole.Split type imbibition portion body 121 is connected by securing member, adds on joint face
If sealing ring 127, sealing ring 127 herein be sealed into flat seal.
Imbibition chamber 123 is provided with air adjustment valve 150, and imbibition chamber 123 is from air adjustment valve 150 upper air and gives vent to anger.
Above-mentioned, air adjustment valve 150 is a connected entrance in imbibition chamber 123 and air, for adjusting in imbibition chamber 123
Pressure.Knowable to above-mentioned, when piston 122 moves in imbibition chamber 123, carrying out imbibition mainly by forming negative pressure, malleation pushes away liquid.If not yet
The gas having air adjustment valve 150 can cause dividing in imbibition chamber discharges difficulty, thus causes imbibition difficulty.Add air adjustment valve
150, the aerofluxus when imbibition chamber 123 feed liquor, the air inlet when imbibition chamber 123 goes out liquid, the pressure in effective balance imbibition chamber 123,
Make the piston 122 in imbibition chamber 123 move more smooth and easy, reduce the driving force of piston 122.
Concrete, air adjustment valve 150 includes valve body 151 and spool 152, is formed through the external world and suction in valve body 151
The runner 153 of sap cavity 123, spool 152 is located in runner 153.
Valve body 151 one end is threaded connection with imbibition portion body 121, and the other end is unsettled, the runner 153 on valve body 151
Connection imbibition chamber 123 and air.Spool 152 is the ball being located in runner 153, and runner 153 is poroid in ladder, spool 152 institute
One end of the runner 153 at place is a section that aperture is bigger, and the purpose of this set is to prevent from making spool when air-breathing or aerofluxus
152 depart from from runner 153.
It should be noted that the length of the runner 153 at spool 152 place wants long enough, to meet the air inlet in imbibition chamber 123
Amount and the requirement of capacity.
Liquid in imbibition portion 120 is flowed out by check valve 140.
In the present embodiment, check valve 140 includes valve pocket 141, spring 142 and spool 143, and valve pocket 141 is connected to imbibition portion
On body 121.Valve pocket 141 is equivalent to a sleeve, and valve pocket 141 is threadedly attached on imbibition portion body 121, and valve pocket
141 are provided with O with the junction of imbibition portion body 121 seals.
Spring 142 has certain precommpression, is blocked by liquid outlet 124 by withstanding spool 143.When in imbibition chamber 123
When liquid extrudes, spring 142 is compressed, and liquid outlet 125 is opened, and liquid is flowed out by check valve 140.The elastic system of spring 142
Number is less, can deform when by less pressure, i.e. can be turned on by liquid outlet 125 during less power.Spool
143 is steel ball, and in other examples, spool 143 can also is that the hemisphere with valve rod or conical surface body.
It should be noted that when 120 imbibition of imbibition portion, air adjustment valve 150 aerofluxus, liquid flows from liquid storing part 110
Enter in imbibition chamber 123.Liquid outlet 125, by the suction towards liquid outlet 125, is compressed, goes out by the spool 143 of check valve 140
Liquid mouth 125 is not turned on.When imbibition portion 120 hydraulic fluid, air adjustment valve 150 air-breathing, check valve 140 turns on, and liquid is from imbibition chamber
123 are flowed out by liquid outlet 125.
Above-mentioned, a cycle of operation of imbibition and hydraulic fluid can be completed.
In the present embodiment, liquid feed device 100 is applied in the cleaning robots such as washing machine, automatically feeds cleaning to cleaning robot
Liquid.Liquid outlet 125 connecting water pipe 160, liquid flows in water pipe 160 after flowing through check valve 140.Water pipe 160 is cleaning robot
Upper hose, cleanout fluid is flowed in water pipe 160 and directly mixes with water with water pipe 160.It is mixed when being flowed in cleaning robot
The water bubbled got togather.Water pipe 160 is connected on imbibition portion body 121 by threeway 161, and threeway 161 is by screw thread even
It is connected on imbibition portion body 121 and is provided with in junction O to seal.
Imbibition and the hydraulic fluid action in imbibition portion 120 are driven by power part 130 so that the imbibition in imbibition portion 120 and hydraulic fluid move
Make full-automatic.
In the present embodiment, power part 130 includes that motor 131 and cam 132, motor 131 band moving cam 132 rotate, cam
132 drive piston 122 to do linear reciprocating motion in imbibition chamber 123.
Above-mentioned, cam 132 is the mechanism that a kind of circular motion by motor 131 is converted into linear motion.Utilize cam 132
The radius difference of upper each point drives piston 122 to do linear reciprocating motion in imbibition chamber 123.
Concrete, power part 130 also includes guide rail 133 and the slide block 134 slided on guide rail 133, and slide block 134 connects lives
Plug 122, cam 132 drives slide block 134 to do linear reciprocating motion.
Above-mentioned, for ensureing that cam 132 drives piston 122 to do the rectilinearity moved along a straight line, add guide rail slide block mechanism and made
For director element.Guide rail 133 is arranged on base 170 and is fixed by screw, and imbibition portion body 121 is arranged on base 170
And fixed by screw.Guide rail 133 keeps constant relative to the position of imbibition portion body 121, and slide block 134 is connected with piston 122,
Piston 122 is driven to move relative to imbibition chamber 123 when slide block 134 moves on guide rail 133.Slide block 134 be moved through cam 132
Drive.
Concrete, guide rail 133 is provided with two-row roller 1331, and slide block 134 slides on two-row roller 1331, slide block 134
Being provided with return idler 1341, cam 132 is moved by return idler 1341 band movable slider 134.
Above-mentioned, guide rail 133 is provided with two-row roller 1331, and two-row roller 1331 can rotate relative to the axis of himself.Sliding
Block 134 is embedded in two-row roller 1331, and slides on two-row roller 1331.The two-row roller 1331 added becomes slide block 134
Sliding friction with guide rail 133 is rolling friction, also reduce while reducing friction loss slide block 134 and guide rail 133 it
Between abrasion, saved energy, extended the service life of guide rail 133.
Slide block 134 moving direction be respectively arranged at the two ends with a return idler 1341, return idler 1341 can be relative to
The axis of himself rotates.Slide block 134 is a plate body, and return idler 1341 is the projection on slide block 134 surface, return idler
The axis of 1341 is perpendicular to the surface of slide block 134.When motor 131 band moving cam 132 rotates, the radius of each point on cam 132
Difference, promotes return idler 1341, return idler 1341 band movable slider 134 to move on guide rail 133 together by cam 132,
Thus drive pull-out and the propelling of piston 122, thus complete automatic imbibition and the action of hydraulic fluid in imbibition portion 120.Add from
The sliding friction that dynamic roller 1341 becomes slide block 134 and cam 132 is rolling friction, also subtracts while reducing the loss of frictional force
Little abrasion between slide block 134 and cam 132, has saved energy, has extended the service life of cam 132.
It is appreciated that the cam mechanism of power part 130 can also be for other arrangement.Cam 132 can also be inclined
The heart is taken turns.Cam 132 can also directly drive the movement of slide block 134 from the end face of slide block 134.
Motor 131 band moving cam 132 rotates, and cam 132 drives slide block 134 to move on guide rail 133, and slide block 134 is moving
Piston 122 is driven to move together time dynamic.Piston 122 completes the action of imbibition when being drawn out, piston 122 completes hydraulic fluid when being pressed into
Action.Imbibition and hydraulic fluid action are repeatedly repeated until the liquid of supply reaches aim parameter.Liquid supply speed can pass through motor
The rotational speed regulation of 131, liquid supply rate can promote the feed distance of piston 122 by the operating time of motor 131 and cam 132
Regulation.
In other embodiments, power part 130 is cylinder.Cylinder is electric cylinder, the work of the cylinder break-make by electricity
Control.The piston rod of cylinder is connected directly between on piston 122, by the indentation of cylinder piston rod with stretch drive piston
The imbibition of 122 and hydraulic fluid action.It should be noted that the cylinder body of cylinder keeps constant relative to the position of imbibition portion body 121.Adopt
With cylinder as the simple in construction of power part 130, it is achieved convenient.
In another embodiment, power part 130 includes motor, gear and tooth bar, and motor connects gear, gear and tooth
Bar matches, and tooth bar is connected on piston 122.
Concrete, rack pinion is a kind of linear transmission mechanism, and the circular motion of power transformation machine is the straight line fortune of tooth bar
Dynamic.For ensureing the rectilinearity of tooth bar motion, guide rail can be added under tooth bar, regard tooth bar as slide block.Motor driven gear rotates
Time, gear driving rack moves on guide rail, drives being pressed into and pulling out of piston 122 simultaneously.Complete the automatic suction in imbibition portion 120
Liquid and the action of hydraulic fluid.
Being appreciated that power part 130 actually a kind of straight-line motion mechanism, it act as driving piston 122 to do reciprocating linear
Motion.Above-described embodiment is one preferably embodiment, and the power part 130 of every employing straight-line motion mechanism is the present invention
Protection domain.
The liquid feed device of the present invention uses imbibition portion, and imbibition portion is provided with inlet and liquid outlet, unidirectional on liquid outlet
Valve arrangement makes liquid outlet can only go out liquid can not feed liquor.The piston of imbibition connects power part, drives piston by power part
Imbibition chamber moves along a straight line, carries out automatic imbibition and hydraulic fluid action.The liquid feed device simple in construction of the present invention, operation side
Just, it is the liquid feed device that a kind of automaticity is higher.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, and not
Being as restriction, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a liquid feed device, it is characterised in that include liquid storing part, imbibition portion and power part；
Described imbibition portion includes imbibition portion body and piston, and this internal formation imbibition chamber, described imbibition portion, described piston is located at institute
Stating imbibition intracavity, described imbibition chamber is provided with inlet and liquid outlet；
Described inlet connects with described liquid storing part；
Described liquid outlet is provided with check valve, and the circulating direction of described check valve is unidirectional outflow from described imbibition chamber；
Described power part is connected on described piston and described piston can be driven to move back and forth at described imbibition intracavity.
Liquid feed device the most according to claim 1, it is characterised in that described imbibition chamber is provided with air adjustment valve, described
Imbibition chamber is from described air adjustment valve upper air and gives vent to anger.
Liquid feed device the most according to claim 2, it is characterised in that described air adjustment valve includes valve body and spool, institute
Being formed through the runner in extraneous and described imbibition chamber in stating valve body, described spool is located in described runner.
Liquid feed device the most according to claim 1, it is characterised in that described liquid outlet connecting water pipe, liquid flows through described
Flow in water pipe after check valve.
Liquid feed device the most according to claim 1, it is characterised in that described power part includes motor and cam, described electricity
Machine drives described cam rotation, and piston described in described actuated by cams does linear reciprocating motion in described imbibition chamber.
Liquid feed device the most according to claim 5, it is characterised in that described power part also includes guide rail and at described guide rail
The slide block of upper slip, described slide block connects described piston, and slide block described in described actuated by cams does linear reciprocating motion.
Liquid feed device the most according to claim 6, it is characterised in that described guide rail is provided with two-row roller, described slide block
Sliding on described two-row roller, described slide block is provided with return idler, and described cam drives described by described return idler
Slide block moves.
Liquid feed device the most according to claim 1, it is characterised in that described power part is cylinder.
Liquid feed device the most according to claim 1, it is characterised in that described power part includes motor, gear and tooth bar, institute
Stating to connect on motor has described gear, described gear to match with described tooth bar, and described tooth bar is connected on described piston.
Liquid feed device the most according to claim 1, it is characterised in that described check valve includes valve pocket, spring and spool,
Described valve pocket is connected on described imbibition portion body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591566.5A CN106050600A (en) | 2016-07-25 | 2016-07-25 | Fluid supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591566.5A CN106050600A (en) | 2016-07-25 | 2016-07-25 | Fluid supply unit |
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|---|---|
| CN106050600A true CN106050600A (en) | 2016-10-26 |
Family
ID=57418334
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610591566.5A Pending CN106050600A (en) | 2016-07-25 | 2016-07-25 | Fluid supply unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110274999A (en) * | 2019-07-19 | 2019-09-24 | 重庆科技学院 | Modified is bubbled sulfuric acid standard humidity generator and its variable data accurate calculation method |
| CN111218965A (en) * | 2019-12-31 | 2020-06-02 | 上海科勒电子科技有限公司 | Liquid supply device, system and cleaning method of electronic toilet |
| CN111250183A (en) * | 2020-02-17 | 2020-06-09 | 北京中科生仪科技有限公司 | Liquid injection pump driving device for micro-fluidic system |
| US11525252B2 (en) | 2019-12-26 | 2022-12-13 | Shanghai Kohler Electronics, Ltd. | Descaling device, system, and descaling method of electronic toilet and liquid supply device, system, and cleaning method of electronic toilet |
| CN117179197A (en) * | 2023-09-27 | 2023-12-08 | 浙江三利农业科技(集团)有限公司 | Feed for larvae of black soldier fly of 5 th age and preparation method of feed |
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Application publication date: 20161026 |