CN109436549A - A kind of liquid metering device - Google Patents
A kind of liquid metering device Download PDFInfo
- Publication number
- CN109436549A CN109436549A CN201811415491.0A CN201811415491A CN109436549A CN 109436549 A CN109436549 A CN 109436549A CN 201811415491 A CN201811415491 A CN 201811415491A CN 109436549 A CN109436549 A CN 109436549A
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- CN
- China
- Prior art keywords
- liquid
- valve
- piston
- chamber
- spool
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of liquid metering devices comprising liquid container and the metrological service being detachably arranged on the liquid container；The metrological service includes the gauge assembly that the inlet tube of bottom in the liquid container is arranged in, the outlet tube of the liquid container upper end is arranged in and is arranged between the inlet tube and the outlet tube；The gauge assembly includes the guide post with piston chamber and liquid outlet channel, the indoor piston component of the piston is arranged in, the second one-way valve of the guide post lower end is arranged in and the first check valve of the second one-way valve lower end is arranged in, the piston chamber and the liquid outlet channel are arranged along the guide post length direction and are spaced setting, the liquid outlet channel is connected to the outlet tube, by first check valve, second one-way valve control respectively liquid unidirectional feed liquor and unidirectionally go out liquid.Liquid metering device provided by the invention, structure is simple, the extrusion output of controllable liquid, easy to operate.
Description
Technical field
The present invention relates to measuring equipment technical field, in particular to a kind of liquid metering device.
Background technique
Common liquid such as edible oil, liquid detergent etc. are all that barreled is bought in Modern Family.It needs in use
By virtue of experience pour out the volume of needs.It often has and pours out excessive phenomenon, be excessively used and will cause waste and to body
Body is unfavorable, and secondary pollution will be generated by such as refunding excessive liquid in bucket.
Summary of the invention
It is an object of the present invention to provide a kind of liquid metering device, structure it is simple, it can be achieved that using liquid metering.
Based on the above issues, present invention provide the technical scheme that
A kind of liquid metering device comprising liquid container and the dosing machine being detachably arranged on the liquid container
Structure；
The metrological service includes that the inlet tube of bottom in the liquid container is arranged in, is arranged on the liquid container
The outlet tube at end and the gauge assembly being arranged between the inlet tube and the outlet tube；
The gauge assembly includes the guide post with piston chamber and liquid outlet channel, is arranged in the indoor piston of the piston
Component, the second one-way valve that the guide post lower end is set and the first check valve that the second one-way valve lower end is set,
Setting is arranged along the guide post length direction and are spaced to the piston chamber and the liquid outlet channel, the liquid outlet channel with it is described
Outlet tube connection；
First check valve include the first valve body, setting intracorporal first valve chamber of the first valve and the first fluid passage,
And the first spool in first valve chamber is set, first valve chamber is connected to the inlet tube；
The second one-way valve includes the second valve body, is arranged and leads in intracorporal second valve chamber of second valve and second liquid
Road and the second spool being arranged in second valve chamber, second valve chamber are connected to the liquid outlet channel and by described
Second spool controls the open or block of liquid outlet channel, and first valve chamber is connected to the second liquid channel and by described
First spool realizes the open or block of control feed pathway, and the second liquid channel is connected to the piston chamber, when described
When first spool is latched, first fluid passage is connected to second valve chamber and the second liquid channel.
In some embodiments wherein, first spool, the second spool are steel ball, first valve chamber,
Two valve chambers are equipped with the limit shaft shoulder with steel ball cooperation, and the second one-way valve is located at the lower end in the second liquid channel
Equipped with the first limited block for limiting the first spool Top Runby, the upper of second valve chamber is located in the second one-way valve
End is equipped with the second limited block for limiting the second spool Top Runby, and first limited block, the second limited block are in strip
Shape.
In some embodiments wherein, first valve body is cylindrical and upper end is equipped with first boss, and described the
Two valve body lower ends are equipped with and matched first card slot of the first boss；Second valve body is cylindrical and upper end is equipped with second
The lower end of boss, the guide post is equipped with and matched second card slot of the second boss.
In some embodiments wherein, second liquid channel lower end is equipped with matched with first limited block
First limiting slot, second valve chamber upper end are equipped with and matched second limiting slot of second limited block.
In some embodiments wherein, the metrological service further includes upper cover, and the upper cover is detachably secured to institute
State liquid container upper end opening, the guide post, second one-way valve, the first check valve are fixed on the upper cover lower end, it is described on
Cover the outlet tube limit hole for being equipped with and stretching out for the outlet tube.
In some embodiments wherein, the upper lid is equipped with the air pressure balance for being connected to the liquid container
Hole.
In some embodiments wherein, the upper cover rotation is equipped with dustproof cover, and the dustproof cover can cover the gas
Press balance hole.
In some embodiments wherein, the piston component includes the work that cooperation is slidingly sealed with the piston chamber
It the spring that fill in, is arranged between the piston and the second one-way valve and is connected to the piston and stretches out the liquid and hold
Guide rod outside device.
At least one quantitative sleeve is equipped in some embodiments wherein, between the piston and the upper cover.
In some embodiments wherein, the guiding column outer wall top is equipped with liquid spill-way, and the liquid spill-way is connected to
The piston chamber.
Compared with prior art, the invention has the advantages that
1, using technical solution of the present invention, the liquid used is measured in the stroke of piston indoor moving by piston component
Body, for the first time in use, pushing piston component, the first unidirectional valve blocking, second one-way valve is opened, and the indoor gas of piston is through the
Two fluid passages, the first fluid passage, the second valve chamber are discharged into liquid outlet channel, retract piston component upwards, second one-way valve locking,
First check valve is opened, and the liquid in liquid container enters in piston chamber through the first valve chamber, presses piston component again, and first is single
It is opened to valve locking, second one-way valve, the indoor liquid of piston is pressed into liquid outlet channel and is discharged through outlet tube, is lived by control
Stroke, that is, controllable liquid extrusion output of plug assembly；
2, using technical solution of the present invention, metrological service is to be detachably connected with liquid container, and metrological service is in module
Change setting, is applicable to different liquid containers；
3, using the further technical solution of the present invention, the quantitative sleeve of different length is set to limit piston in piston chamber
Interior moving distance, to control liquid extrusion output.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of liquid metering device embodiment of the present invention；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is the dismantling schematic diagram of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of guide post in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram in another direction of guide post in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the first check valve in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of second one-way valve in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram in another direction of second one-way valve in the embodiment of the present invention；
Wherein:
1, liquid container；
2, guide post；2-1, piston chamber；2-2, liquid outlet channel；2-3, liquid spill-way；2-4, the second card slot；
3, piston；
4, guide rod；
5, quantitative sleeve；
6, spring；
7, the first check valve；7-1, the first valve body；7-1a, first boss；7-2, the first valve chamber；7-3, the first liquid are logical
Road；7-4, the first spool；7-5, the first limited block；
8, second one-way valve；8-1, the second valve body；8-1a, second boss；8-1b, the first card slot；8-1c, the second limit
Slot；8-1d, the first limiting slot；8-2, the second valve chamber；8-3, the second spool；8-4, second liquid channel；8-5, the second limited block；
9, inlet tube；
10, outlet tube；
11, upper cover；11-1, outlet tube limit hole；11-2, air equalizer opening；
12, sealing ring；
13, bolt；
14, dustproof cover.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The present invention and be not limited to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer
Further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
Referring to Fig. 1-5, it is the structural schematic diagram of the embodiment of the present invention, provides a kind of liquid metering device comprising liquid
Container 1 and it is detachably arranged at metrological service on liquid container 1, which is used to control the extrusion output of liquid.
Metrological service includes the inlet tube 9 that bottom in liquid container 1 is arranged in, the liquid out that 1 upper end of liquid container is arranged in
Pipe 10 and the gauge assembly being arranged between inlet tube 9 and outlet tube 10.Gauge assembly includes having piston chamber 2-1 and out liquid
The guide post 2 of channel 2-2, the piston component being arranged in piston chamber 2-1, the second one-way valve 8 that 2 lower end of guide post is set,
And the first check valve 7 of 8 lower end of second one-way valve is set, piston chamber 2-1 and liquid outlet channel 2-2 are along 2 length direction of guide post
It arranges and interval setting, liquid outlet channel 2-2 is connected to outlet tube 10.
Referring to fig. 2,6-8, the first check valve include the first valve body 7-1, the first valve chamber 7- being arranged in the first valve body 7-1
2 and first fluid passage 7-3 and the first spool 7-4, the first valve chamber 7-2 for being arranged in the first valve chamber 7-2 be connected to inlet tube
9；Second one-way valve 8 includes the second valve body 8-1, the second valve chamber 8-2 and second liquid channel 8- being arranged in the second valve body 8-1
3 and the second spool 8-3 for being arranged in the second valve chamber 8-2, the second valve chamber 8-2 are connected to liquid outlet channel 2-2 and by the second valves
Core 8-3 control liquid outlet channel 2-2's opens or lock, and the first valve chamber 7-2 is connected to second liquid channel 8-4 and by the first valve
Core 7-4 control feed pathway opens or lock, and second liquid channel 8-4 is connected to piston chamber 2-1, when the first spool 7-4 locks
When closing, the first fluid passage 7-3 is connected to the second valve chamber 8-2 and second liquid channel 8-4.
First valve body 7-1 and the second valve body 8-1 are cylindrical, in order to realize that guide post 2, second one-way valve 8, first are single
To between valve 7 installation cooperation, 7 upper end of the first valve body be equipped with first boss 7-1a, while 8 lower end of the second valve body be equipped with
The matched first card slot 8-1b of first boss 7-1a；Second upper end valve body 8-1 is equipped with second boss 8-1a, while in guide post 2
Lower end be equipped with and the matched second card slot 2-4 of second boss 8-1a.Short transverse of the first valve chamber 7-2 along the first valve body 7-1
Arrangement, the first fluid passage 7-3 are arranged horizontally on first boss 7-1a, the second valve chamber 8-2, the equal edge 8-4 in second liquid channel
Second valve body 8-1 short transverse arrangement, and the lower end of second liquid channel 8-4 is corresponding with the first valve chamber 7-2, the second valve chamber 8-
2 lower end is connected to the first fluid passage 7-3.
In this example, the first spool 7-4 and the second spool 8-3 are steel ball, and the first valve chamber 7-2, the second valve chamber 8-2 are equipped with
The limit shaft shoulder for cooperating limit steel ball Bottom Runby with steel ball, sets in the lower end that second one-way valve 8 is located at second liquid channel 8-4
There is the first limited block 7-5 for limiting the first spool 7-2 Top Runby, is located at the upper of the second valve chamber 8-2 in second one-way valve 8
End is in equipped with the second the limited block 8-5, the first limited block 7-5 and the second limited block 8-5 for limiting the second spool 8-3 Top Runby
Strip, can play the role of limit using the limited block of strip and will not barrier liquid channel to steel ball.
For the ease of installing the first limited block 7-5, it is equipped with and the first limited block 7-5 in the second liquid channel lower end 8-4
The first the limiting slot 8-1d, the first limiting slot 8-1d matched is located at the two sides of second liquid channel 8-4 radial direction, the first limited block 7-5
Both ends be overlapped in the first limiting slot 8-1d；Second limited block 8-5 in order to facilitate the installation of is equipped in the second upper end valve chamber 8-2
It is located at the two sides of the second valve chamber 8-2 radial direction with the matched second limiting slot 8-1c of the second limited block 8-5, the second limiting slot 8-1c,
The both ends of second limited block 8-5 are overlapped in the second limiting slot 8-1c.
In order to advanced optimize implementation result of the invention, metrological service further includes upper cover 11, and upper cover 11 is detachably fixed
In 1 upper end opening of liquid container, guide post 2, second one-way valve 8 are connected through bolt 13 between first check valve 7, and solid together
It is scheduled on 11 lower end of upper cover, the outlet tube limit hole 11-1 stretched out for outlet tube 10 is equipped in upper cover 11, outlet tube 10 goes out through this
Liquid pipe limit hole 11-1 is extended in guide post 2 and is connected to liquid outlet channel 2-2.
Metering device can generate negative pressure in liquid container at work, for air pressure in equalizing fluid reservoir 1, in upper cover 11
It is equipped with the air equalizer opening 11-2 being connected to inside liquid container 1.
Dust is fallen into liquid container 1 in order to prevent, and rotation is equipped with dustproof cover 14, the dustproof cover 14 rotation in upper cover 11
After can cover air equalizer opening 11-2, prevent dust from entering in liquid container 1.
Piston component include the piston 3 that cooperation is slidingly sealed with piston chamber 2-1, setting piston 3 and second one-way valve 8 it
Between spring 6 and the guide rod 4 that is connected to outside piston 3 and flashed liquid container 1, be equipped between piston 3 and piston chamber's 2-1 inner wall
Sealing ring 12 seals, and controls the stroke of piston 3 by operation guide rod 4, to control the extrusion output of liquid, setting spring 6 is used for
The reset of piston 3, facilitates operation after pressing guide rod 4.
In order to advanced optimize implementation result of the invention, at least one quantitative set is equipped between piston 3 and upper cover 11
Cylinder 5, by the quantitative sleeve 5 of setting different length to control the stroke of piston 3, to control liquid extrusion output.
A certain amount of penetrating fluid can be accumulated by being located at 3 back side of piston due to the long-term working in reciprocating mode of piston 3, in piston chamber 2-1
Body is equipped with liquid spill-way 2-3, liquid spill-way 2-3 connection in order to avoid hydrops excessively influences pistons work on 2 outer wall of guide post
To piston chamber 2-1, in order in extra liquid reflux to liquid container 1.
The operation principle of the present invention is that: it is moved down for the first time in use, pushing guide rod 4 with piston 3, the first check valve
7 lockings, second one-way valve 8 are opened, and the indoor gas of piston 3 is through second liquid channel 8-4, the first fluid passage 7-3, the second valve
Chamber 8-2 is discharged into liquid outlet channel 2-2, is then discharged through outlet tube 10, unclamps guide rod 4, and piston 3 moves upwards under the effect of spring 6,
First check valve 7 is opened, and second one-way valve 8 is latched, and the liquid in liquid container 1 enters piston chamber 2-1 through the first valve chamber 7-3
Interior, when 6 stopping of spring acts, the first spool 7-4 resets, and blocking is presented in the first check valve 7, second one-way valve 8 at this time,
The pressurization storehouse of piston chamber 2-1 composition liquid；Lower guide rod 4 is pressed again, and the locking of the first check valve 7, second one-way valve 8 are opened, piston
Liquid in the 2-1 of room is pressed into liquid outlet channel 2-2 and is discharged through outlet tube 10；Unclamp guide rod 4, piston 3 under piston effect to
Upper movement, the first check valve 7 are opened, the locking of 8 moment of second one-way valve, since the spool of check valve is steel ball, steel ball when locking
Moment pumpback movement is had to be pumped to out the liquid at edge so that the liquid that outlet tube 10 exports obtains certain back-suction
In liquid pipe 10, prevent liquid from dripping.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow the person skilled in the art to be
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all smart according to the present invention
The equivalent transformation or modification that refreshing essence is done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of liquid metering device, it is characterised in that: including liquid container (1) and be detachably arranged at the liquid container
(1) metrological service on；
The metrological service include setting the liquid container (1) interior bottom inlet tube (9), be arranged in the liquid container
(1) outlet tube (10) of upper end and the gauge assembly being arranged between the inlet tube (9) and the outlet tube (10)；
The gauge assembly includes the guide post (2) with piston chamber (2-1) and liquid outlet channel (2-2), is arranged in the piston
Piston component, setting in room (2-1) is single described second in the second one-way valve (8) of the guide post (2) lower end and setting
To first check valve (7) of valve (8) lower end, the piston chamber (2-1) and the liquid outlet channel (2-2) are along the guide post (2)
Length direction is arranged and interval setting, the liquid outlet channel (2-2) are connected to the outlet tube (10)；
First check valve (7) include the first valve body (7-1), be arranged the first valve chamber (7-2) in the first valve body (7-1) and
First fluid passage (7-3) and the first spool (7-4) being arranged in first valve chamber (7-2), the first valve chamber (7-
2) inlet tube (9) are connected to；
The second one-way valve (8) includes the second valve chamber (8- of the second valve body (8-1), setting in second valve body (8-1)
2) the second spool (8-3) with second liquid channel (8-4) and setting in second valve chamber (8-2), second valve chamber
(8-2) is connected to the liquid outlet channel (2-2) and controls the open or block of liquid outlet channel by second spool (8-3),
First valve chamber (7-2), which is connected to the second liquid channel (8-4) and controls feed liquor by first spool (7-4), leads to
The open or block in road, the second liquid channel (8-4) are connected to the piston chamber (2-1), when first spool (7-4)
When locking, first fluid passage (7-3) is connected to second valve chamber (8-2) and the second liquid channel (8-4).
2. liquid metering device according to claim 1, it is characterised in that: first spool (7-4), the second spool
(8-3) is steel ball, and first valve chamber (7-2), the second valve chamber (8-2) are equipped with the limit shaft shoulder with steel ball cooperation,
The lower end that the second one-way valve (8) is located at the second liquid channel (8-4), which is equipped with, limits the first spool (7-4) uplink
The first limited block (7-5) of distance, the upper end that second valve chamber (8-2) is located on the second one-way valve (8) are equipped with limit
The second limited block (8-5) of second spool (8-3) Top Runby, first limited block (7-5), the second limited block (8-
5) in long strip.
3. liquid metering device according to claim 2, it is characterised in that: first valve body (7-1) it is cylindrical and
Upper end is equipped with first boss (7-1a), and the second valve body lower end (8-1) is equipped with and the first boss (7-1a) matched the
One card slot (8-1b)；Second valve body (8-1) is cylindrical and upper end is equipped with second boss (8-1a), the guide post (2)
Lower end be equipped with and matched second card slot (2-4) of the second boss (8-1a).
4. liquid metering device according to claim 3, it is characterised in that: second liquid channel (8-4) lower end is set
Have with matched first limiting slot (8-1d) of first limited block (7-5), the second valve chamber upper end (8-2) be equipped with it is described
Matched second limiting slot (8-1c) of second limited block (8-5).
5. liquid metering device according to claim 1, it is characterised in that: the metrological service further includes upper cover (11),
The upper cover (11) is detachably secured to the liquid container (1) upper end opening, the guide post (2), second one-way valve (8),
First check valve (7) is fixed on the upper cover (11) lower end, and the upper cover (11) is equipped with for the outlet tube (10) stretching
Outlet tube limit hole (11-1).
6. liquid metering device according to claim 5, it is characterised in that: the upper cover (11) is described equipped with being connected to
The internal air equalizer opening (11-2) of liquid container (1).
7. liquid metering device according to claim 6, it is characterised in that: upper cover (11) rotation is equipped with dustproof cover
(14), the dustproof cover (14) can cover the air equalizer opening (11-2).
8. liquid metering device according to claim 5, it is characterised in that: the piston component includes and the piston chamber
(2-1) be slidingly sealed the piston (3) of cooperation, be arranged spring (6) between the piston (3) and the second one-way valve (8),
And it is connected to the piston (3) and stretches out the guide rod (4) of the liquid container (1) outside.
9. liquid metering device according to claim 8, it is characterised in that: the piston (3) and the upper cover (11) it
Between be equipped at least one quantitative sleeve (5).
10. liquid metering device according to claim 1, it is characterised in that: guide post (2) the outer wall top, which is equipped with, overflows
Liquid mouth (2-3), the liquid spill-way (2-3) are connected to the piston chamber (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415491.0A CN109436549A (en) | 2018-11-26 | 2018-11-26 | A kind of liquid metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415491.0A CN109436549A (en) | 2018-11-26 | 2018-11-26 | A kind of liquid metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109436549A true CN109436549A (en) | 2019-03-08 |
Family
ID=65554326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811415491.0A Pending CN109436549A (en) | 2018-11-26 | 2018-11-26 | A kind of liquid metering device |
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| Country | Link |
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| CN (1) | CN109436549A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686965A (en) * | 2020-06-28 | 2020-09-22 | 厦门翟苑日用品有限公司 | Toning lotion automatic mixing spraying device |
| CN112958171A (en) * | 2021-02-10 | 2021-06-15 | 谭策 | Environment-friendly chemical reagent accommodate device that chemical engineering used |
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