CN205955936U - Hydrodynamic force proportioning pump - Google Patents
Hydrodynamic force proportioning pump Download PDFInfo
- Publication number
- CN205955936U CN205955936U CN201620849172.0U CN201620849172U CN205955936U CN 205955936 U CN205955936 U CN 205955936U CN 201620849172 U CN201620849172 U CN 201620849172U CN 205955936 U CN205955936 U CN 205955936U
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- CN
- China
- Prior art keywords
- hole
- outer piston
- case
- exocoel
- lower case
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a hydrodynamic force proportioning pump has the inner cover in the shell of lower part, cavity and outer cavity in the inner cover will be cut apart the lower part shell become are inhaled the inner chamber of annotating the device and be linked together with outer cavity, and interior cavity and outer cavity all are linked together with the inner chamber of upper portion shell, and outer piston open end outer is followed an organic whole and be provided with the water slinger board, last connection sliding block bottom the stock, and on having in the middle part of the sliding block, the through -hole comprises for two sections last through -hole and lower through -hole, and the diameter of going up the through -hole is lighter than through -hole down, and the lower extreme of going up the stock is provided with the barb, and the barb inserts and passes in the through -hole stretches into down the through -hole, and switching -over extensible member one end is supported with the arc groove phase, and the switching -over extensible member other end offsets with the arc wall, follows outside the upper end of inner piston to be provided with the last shutoff piece that is used for shutoff play liquid hole, and the bottom of inner piston is provided with the lower shutoff piece that is used for shutoff feed liquor hole. The utility model has the advantages of adding the medicine mode and being chamber plus medicine, the liquid medicine does not get into the doser intracavity, can reduce the washing number of times.
Description
Technical field
This utility model is related to a kind of proportioning pump, more particularly, to a kind of hydrodynamic force proportioning pump.
Background technology
In background technology, horticultural industry, livestock and industrial circle need to carry out the definite proportion dilution of special solvent, other
Industry such as carwash, printing, hospital, the wine industry etc. are also frequently necessary to carry out definite proportion dilution to solvent.The application of above industry or make
With traditional operating type, labour cost is too high, and reasonable mixture ratio is poor, and safety, health can not ensure completely.Or using a kind of
More intelligent equipment, but electric energy can be used, consume the energy, increased production cost.
Utility model content
Technical problem to be solved in the utility model is：A kind of hydrodynamic force proportioning pump, its not consuming electric power, energy-saving ring are provided
Protect, easy for installation, simple to operate.
This utility model is by solving the problems, such as set forth above being employed technical scheme comprise that：
A kind of hydrodynamic force proportioning pump, including upper case 4 and lower case 12, upper case 4 and lower case 12 pass through
Threaded, lower case 12 bottom is provided with feeding opening 125, feeding opening 125 is threaded with suction device 14, also includes
Upper stock 2, inner carrier 5, upper closeouts 7, outer piston 9, sliding shoe 10, silica gel check valve 11, jacking block 16, lower closeouts 17 and change
To extensible member 15, there is in lower case 12 inner cover 121, lower case 12 will be divided into inner cavity chamber 122 and exocoel by inner cover 121
Room 123, lower case 12 side is provided with the inlet 126 being connected with inner cavity chamber 122, and lower case 12 opposite side is provided with
The liquid outlet 124 that exocoel 123 is connected, the inner chamber of suction device 14 is connected with exocoel 123, inner cavity chamber 122 and exocoel
The intracavity inter-connection all with upper case 4 for the room 123, is provided with silica gel between the inner chamber of upper case 4 and exocoel 123 unidirectional
Valve 11, liquid is merely able to flow to exocoel 123 from the inner chamber of upper case 4, slides and be provided with outer piston 9 in lower case 12,
Outer piston 9 upper end open, outer piston 9 lower end closed, the outer of outer piston 9 opening has been wholely set dash ring flat-plate 91, dash
3-4 liquid outlet 92 is offered on ring flat-plate 91, the end face of outer piston 9 blind end offers 3-4 inlet opening 93, outer piston 9
Interior Slideslip is provided with inner carrier 5, and inner carrier 5 can slide up and down along outer piston 9, and sliding shoe 10 is located inside inner carrier 5, top
Shell 4 inner top center is provided with stock 2, and upper stock 2 bottom connects sliding shoe 10, has through hole in the middle part of sliding shoe 10
101, described through hole 101 is made up of upper through hole 105 and 106 two sections of lower through-hole, and the diameter of upper through hole 105 is less than lower through-hole 106, on
The lower end of stock 2 is provided with barb 107, and barb 107 is inserted through through hole 105 and stretches in lower through-hole 106, and barb 107 can be
Slide up and down in lower through-hole 106, the both sides of sliding shoe 10 are provided with arcuate groove 102, and the inwall of outer piston 9 is provided with jacking block
16, jacking block 16 offers arc groove 161, commutation extensible member 15 one end is offseted with arc groove 161, and commutation extensible member 15 is another
One end is offseted with arcuate groove 102, and the upper end outer of inner carrier 5 is provided with the upper closeouts 7 for blocking liquid outlet 92, inner carrier
5 bottom is provided with the lower closeouts 17 for blocking inlet opening 93.
A kind of hydrodynamic force proportioning pump, also includes switching 1, bearing pin 3, and described upper stock 2 includes the upper slide bar 201 being wholely set
With lower guide post 202, upper slide bar 201 is more than the diameter of lower guide post 202, and upper case 4 top center is provided with for upper
The hole that slide bar 201 passes through, upper slide bar 201 can slide up and down in the hole, and upper case 4 top is provided with support base 401, switchs 1
It is hinged on support base 401 by bearing pin 3, switch 1 includes U-shaped stop 103, the U-shaped two ends stopping 103 are provided with plectane 104,
Bearing pin 3 is arranged on the outer of plectane 104, by pulling U-shaped stop 103, can drive stock 2 up-down adjustment, reach closing
Or open the purpose of proportioning pump.
Described outer piston 9 inwall is provided with inner guiding post 94, and inner carrier 5 outer wall is provided with the gathering sill 51 caving inward,
Inner guiding post 94 slides up and down it is ensured that not misplacing in gathering sill 51.
The outer of described dash ring flat-plate 91 offers the groove embedding for upper sealing ring 8, and upper sealing ring 8 is pacified by groove
It is contained on dash ring flat-plate 91 it is ensured that sealing, outer piston 9 bottom is provided with lower sealing ring 13.
Described inner carrier 5 top is provided with clinching part 6, prevents sliding shoe 10 from flying out.
Described upper closeouts 7 include block head 701, and the other end of block head 701 is provided with barb 702, by barb
702 are fixed on inner carrier 5, and block head 701 is located above liquid outlet 92, and block head 701 inserts in liquid outlet 92 after declining, right
Liquid outlet 92 is blocked.
Described lower closeouts 17 include blocking platform 171, and the other end of closure platform 171 is provided with barb 172, barb 172
It is fixed on inner carrier 5 through inlet opening 93 and by barb 172, closure platform 171 is located at the lower section of inlet opening 93, blocks platform
After 171 risings, laminating inlet opening 93, blocks to inlet opening 93.
Described commutation extensible member 15 includes buckling piece A151, buckling piece B152 and spring 153, described buckling piece A151 bag
Include head A154 and bar portion 155, buckling piece B152 includes head B156 and pipe portion 157, in bar portion 155 insertion pipe portion 157, pipe portion
It is provided with spring 153 between 157 and bar portion 155.
Described head B156 is provided with cross bar 158, and sliding shoe 10 is offered the strip grooves being matched with cross bar 158
159.
Described suction device 14 includes connecting rod 19, upper cover nut 22, regulation pipe 23, batch box 24, carries medicine bar 25, carries medicine
Piston 26, limiting card 27, nut 28 and check valve 29, upper cover nut 22 lower end is threaded with regulation pipe 23, and limiting card 27 will be counted
Measuring tank 24 is fixed in regulation pipe 23, and batch box 24 afterbody is provided with check valve 29 by nut 28, is provided with batch box 24
Use cooperatively with it and carry medicine device 18, connecting rod 19 is connected with carrying medicine device 18, and the described medicine device 18 that carries includes carrying medicine bar 25 He
Carry medicine piston 26, lower case 12 offers the hole passing through for connecting rod 19, connecting rod 19 passes through lower case 12 and outer work
Plug 9 is fixedly connected, and exocoel 123 is connected by medicine feeding hole 30 with upper cover nut 22 inner chamber.
It is provided with sealing ring 20, drainage screen 21 is fixed on by upper cover nut 22 between described connecting rod 19 and lower case 12
Between upper cover nut 22 and lower case 12.
Operation principle of the present utility model：Liquid is entered by inlet, and lower closeouts block inlet opening, and outer piston rises,
Liquid in upper case enters exocoel by liquid outlet, mixes with medicinal liquid in outer within the chamber, discharges through liquid outlet, on outer piston
Rise to highest point commutation extensible member direction to change, right-hand member down, open by inlet opening, and liquid is entered in outer piston by inlet opening
Chamber, piston rises to lowest part commutation extensible member direction and changes, and right-hand member upward, repeats above-mentioned action.
The beneficial effects of the utility model are：This utility model is arranged in water pipe, the current in pipeline drive it
Work, need not provide power drives.According to setting ratio quantitative by the medicine of higher concentration or solution, abundant with the water of main pipeline
It is transported to downstream after mixing, add the ratio of fertilizer can be adjusted according to practical situation.And the no matter hydraulic pressure in pipeline and the water yield
How to change, the pharmaceutical quantities of suction are directly proportional with the volume of the water entering its equipment all the time it is ensured that the proportions constant of mixed liquor.Piston
The frequency of assembly action has direct relation with entering the hydraulic pressure in device, and to driving, hydraulic demand is little, and after this device
Hydraulic pressure (energy) loss very little.Do not use electric energy, environmental protection low-carbon (LC).This utility model good seal performance, can prevent with outward
Boundary mutually pollutes.This utility model is practical, easy for installation, simple to operate.Dosing pattern is dosing outside chamber, and medicinal liquid does not enter
Drug feeding device intracavity, it is possible to reduce wash number.
Brief description
Fig. 1 is front view of the present utility model；
Fig. 2 is the schematic cross-section in Fig. 1；
Fig. 3 is left view of the present utility model；
Fig. 4 is the schematic cross-section in Fig. 3；
Fig. 5 is upper closeouts mplifying structure schematic diagram；
Fig. 6 is the front view of sliding shoe；
Fig. 7 is the top view of sliding shoe；
Fig. 8 is the schematic cross-section in Fig. 7；
Fig. 9 is the mplifying structure schematic diagram of silica gel check valve；
Figure 10 is the internal structure schematic diagram of lower case；
Figure 11 is the structure enlarged diagram of buckling piece B；
Figure 12 is the structure enlarged diagram of buckling piece A；
Figure 13 is the structure enlarged diagram of lower closeouts；
Figure 14 is the front view of outer piston；
Figure 15 is the top view of outer piston.
Wherein, 1- switch, the upper stock of 2-, 3- bearing pin, 4- upper case, 5- inner carrier, 6- clinching part, the upper closeouts of 7-,
8- upper sealing ring, 9- outer piston, 10- sliding shoe, 11- silica gel check valve, 12- lower case, 13- lower sealing ring, 14- suction fills
Put, 15- commutation extensible member, 16- jacking block, closeouts under 17-, 18- carries medicine device, 19- connecting rod, 20- sealing ring, and 21- filters
Net, 22- upper cover nut, 23- regulation pipe, 24- batch box, 25- carries medicine bar, and 26- carries medicine piston, 27- limiting card, 28- nut, 29-
Check valve, 30- enters 51- medicine hole gathering sill, 91- dash ring flat-plate, 92- liquid outlet, 93- inlet opening, 94- inner guiding post, 101- through hole,
102- arcuate groove, 103-U type stops, 104- plectane, the upper through hole of 105-, 106- lower through-hole, 107- barb, 121- inner cover, 122-
Inner cavity chamber, 123- exocoel, 124- liquid outlet, 125- feeding opening, 126- inlet, 151- buckling piece A, 152- buckling piece B,
153- spring, 154- head A, 155- bar portion, 156- head B, 157- pipe portion, 158- cross bar, 159- strip hole, 161- arc is recessed
Groove, 171- blocks platform, 172- barb, 201- upper slide bar, guide post under 202-, 401- support base, 701- block head, and 702- falls
Hook.
Specific embodiment
Further illustrate embodiment of the present utility model below in conjunction with the accompanying drawings.
Reference picture 1-14, a kind of hydrodynamic force proportioning pump described in this specific embodiment, including upper case 4 and bottom outside
Shell 12, upper case 4 and lower case 12 are threaded connection, and lower case 12 bottom is provided with feeding opening 125, feeding opening
It is threaded with suction device 14 on 125, also include stock 2, inner carrier 5, upper closeouts 7, outer piston 9, sliding shoe 10, silicon
Glue check valve 11, jacking block 16, lower closeouts 17 and commutation extensible member 15, have inner cover 121 in lower case 12, inner cover 121 will
Lower case 12 will be divided into inner cavity chamber 122 and exocoel 123, and lower case 12 side is provided with and is connected with inner cavity chamber 122
Inlet 126, lower case 12 opposite side is provided with the liquid outlet 124 that exocoel 123 is connected, the inner chamber of suction device 14
Be connected with exocoel 123, inner cavity chamber 122 and exocoel 123 intracavity inter-connection all with upper case 4, upper case 4 interior
It is provided with silica gel check valve 11, liquid is merely able to flow to exocoel from the inner chamber of upper case 4 between chamber and exocoel 123
123, slide in lower case 12 and be provided with outer piston 9, outer piston 9 upper end open, outer piston 9 lower end closed, outer piston 9 opening
The outer at end has been wholely set dash ring flat-plate 91, and dash ring flat-plate 91 offers 3-4 liquid outlet 92, outer piston 9 blind end
3-4 inlet opening 93 is offered on end face, in outer piston 9, Slideslip is provided with inner carrier 5, inner carrier 5 can be along outer piston about 9
Slide, sliding shoe 10 is located inside inner carrier 5, and upper case 4 inner top center is provided with stock 2, upper stock 2 bottom
Connect sliding shoe 10, there is in the middle part of sliding shoe 10 through hole 101, described through hole 101 is by upper through hole 105 and 106 two sections of groups of lower through-hole
Become, the diameter of upper through hole 105 is less than lower through-hole 106, and the lower end of upper stock 2 is provided with barb 107, and barb 107 is inserted through
Through hole 105 stretches in lower through-hole 106, and barb 107 can slide up and down in lower through-hole 106, and the both sides of sliding shoe 10 are provided with
Arcuate groove 102, the inwall of outer piston 9 is provided with jacking block 16, and jacking block 16 offers arc groove 161, and commutate extensible member 15
One end is offseted with arc groove 161, and commutation extensible member 15 other end is offseted with arcuate groove 102, the upper end outer setting of inner carrier 5
There are the upper closeouts 7 for blocking liquid outlet 92, the bottom of inner carrier 5 is provided with the lower closeouts for blocking inlet opening 93
17.
A kind of hydrodynamic force proportioning pump, also includes switching 1, bearing pin 3, and described upper stock 2 includes the upper slide bar 201 being wholely set
With lower guide post 202, upper slide bar 201 is more than the diameter of lower guide post 202, and upper case 4 top center is provided with for upper
The hole that slide bar 201 passes through, upper slide bar 201 can slide up and down in the hole, and upper case 4 top is provided with support base 401, switchs 1
It is hinged on support base 401 by bearing pin 3, switch 1 includes U-shaped stop 103, the U-shaped two ends stopping 103 are provided with plectane 104,
Bearing pin 3 is arranged on the outer of plectane 104, by pulling U-shaped stop 103, can drive stock 2 up-down adjustment, reach closing
Or open the purpose of proportioning pump.
Described outer piston 9 inwall is provided with inner guiding post 94, and inner carrier 5 outer wall is provided with the gathering sill 51 caving inward,
Inner guiding post 94 slides up and down it is ensured that not misplacing in gathering sill 51.
The outer of described dash ring flat-plate 91 offers the groove embedding for upper sealing ring 8, and upper sealing ring 8 is pacified by groove
It is contained on dash ring flat-plate 91 it is ensured that sealing, outer piston 9 bottom is provided with lower sealing ring 13.
Described inner carrier 5 top is provided with clinching part 6, prevents sliding shoe 10 from flying out.
Described upper closeouts 7 include block head 701, and the other end of block head 701 is provided with barb 702, by barb
702 are fixed on inner carrier 5, and block head 701 is located above liquid outlet 92, and block head 701 inserts in liquid outlet 92 after declining, right
Liquid outlet 92 is blocked.
Described lower closeouts 17 include blocking platform 171, and the other end of closure platform 171 is provided with barb 172, barb 172
It is fixed on inner carrier 5 through inlet opening 93 and by barb 172, closure platform 171 is located at the lower section of inlet opening 93, blocks platform
After 171 risings, laminating inlet opening 93, blocks to inlet opening 93.
Described commutation extensible member 15 includes buckling piece A151, buckling piece B152 and spring 153, described buckling piece A151 bag
Include head A154 and bar portion 155, buckling piece B152 includes head B156 and pipe portion 157, in bar portion 155 insertion pipe portion 157, pipe portion
It is provided with spring 153 between 157 and bar portion 155.
Described head B156 is provided with cross bar 158, and sliding shoe 10 is offered the strip grooves being matched with cross bar 158
159.
Described suction device 14 includes connecting rod 19, upper cover nut 22, regulation pipe 23, batch box 24, carries medicine bar 25, carries medicine
Piston 26, limiting card 27, nut 28 and check valve 29, upper cover nut 22 lower end is threaded with regulation pipe 23, and limiting card 27 will be counted
Measuring tank 24 is fixed in regulation pipe 23, and batch box 24 afterbody is provided with check valve 29 by nut 28, is provided with batch box 24
Use cooperatively with it and carry medicine device 18, connecting rod 19 is connected with carrying medicine device 18, and the described medicine device 18 that carries includes carrying medicine bar 25 He
Carry medicine piston 26, lower case 12 offers the hole passing through for connecting rod 19, connecting rod 19 passes through lower case 12 and outer work
Plug 9 is fixedly connected, and exocoel 123 is connected by medicine feeding hole 30 with upper cover nut 22 inner chamber.
It is provided with sealing ring 20, drainage screen 21 is fixed on by upper cover nut 22 between described connecting rod 19 and lower case 12
Between upper cover nut 22 and lower case 12.
The operation principle of this specific embodiment：Liquid is entered by inlet, and lower closeouts block inlet opening, on outer piston
Rise, the liquid in upper case is entered exocoel by liquid outlet, mixed with medicinal liquid in outer within the chamber, discharge through liquid outlet, outer work
Rise to highest point commutation extensible member direction beyond the Great Wall to change, right-hand member down, open by inlet opening, and liquid enters outer living by inlet opening
Plug inner chamber, piston rises to lowest part commutation extensible member direction and changes, and right-hand member upward, repeats above-mentioned action.
The having the beneficial effects that of this specific embodiment：This utility model is arranged in water pipe, the current in pipeline drive
Move its work, power drives need not be provided.According to setting ratio quantitatively by the medicine of higher concentration or solution, the water with main pipeline
It is transported to downstream after being sufficiently mixed, add the ratio of fertilizer can be adjusted according to practical situation.And no matter the hydraulic pressure in pipeline and
How the water yield changes, and the pharmaceutical quantities of suction are directly proportional with the volume of the water entering its equipment all the time it is ensured that the proportions constant of mixed liquor.
The frequency of piston assembly action has direct relation with entering the hydraulic pressure in device, and to driving, hydraulic demand is little, and through this dress
Hydraulic pressure (energy) the loss very little postponing.Do not use electric energy, environmental protection low-carbon (LC).This utility model good seal performance, can prevent
Mutually pollute with extraneous.This utility model is practical, easy for installation, simple to operate.Dosing pattern is dosing outside chamber, and medicinal liquid is not
Enter drug feeding device intracavity, it is possible to reduce wash number.
Specific embodiment of the utility model does not constitute to restriction of the present utility model, every using phase of the present utility model
Like structure and change, all in protection domain of the present utility model.
Claims (1)
1. a kind of hydrodynamic force proportioning pump it is characterised in that：Including upper case（4）And lower case（12）, upper case（4）With
Lower case（12）It is threaded connection, lower case（12）Bottom is provided with feeding opening（125）, feeding opening（125）Upper screw thread
It is connected with suction device（14）, also include stock（2）, inner carrier（5）, upper closeouts（7）, outer piston（9）, sliding shoe
（10）, silica gel check valve（11）, jacking block（16）, lower closeouts（17）With commutation extensible member（15）, lower case（12）Inside have
Inner cover（121）, inner cover（121）By lower case（12）Inner cavity chamber will be divided into（122）And exocoel（123）, lower case
（12）Side is provided with and inner cavity chamber（122）The inlet being connected（126）, lower case（12）Opposite side is provided with exocoel
（123）The liquid outlet (124) being connected, the inner chamber of suction device (14) is connected with exocoel (123), inner cavity chamber (122) and
The intracavity inter-connection all with upper case (4) for the exocoel (123), sets between the inner chamber of upper case (4) and exocoel (123)
It is equipped with silica gel check valve (11), liquid is merely able to flow to exocoel (123), lower case (12) from the inner chamber of upper case (4)
Interior slip is provided with outer piston (9), outer piston (9) upper end open, and outer piston (9) lower end closed, outside outer piston (9) opening
Along being wholely set dash ring flat-plate (91), dash ring flat-plate (91) offers multiple liquid outlets (92), outer piston (9) blind end
Multiple inlet openings (93) are offered on end face, the interior Slideslip of outer piston (9) is provided with inner carrier (5), and inner carrier (5) can be along outer work
Plug (9) slides up and down, and sliding shoe (10) is located inside inner carrier (5), and upper case (4) inner top center is provided with length
Bar (2), upper stock (2) bottom connects sliding shoe (10), has through hole (101) in the middle part of sliding shoe (10), described through hole (101) by
Upper through hole (105) and (106) two sections of compositions of lower through-hole, the diameter of upper through hole (105) is less than lower through-hole (106), upper stock (2)
Lower end is provided with barb (107), and barb (107) is inserted through through hole (105) and stretches in lower through-hole (106), barb (107) energy
Slide up and down in lower through-hole (106), the both sides of sliding shoe (10) are provided with arcuate groove (102), on the inwall of outer piston (9)
It is provided with jacking block (16), jacking block (16) offers arc groove (161), commutation extensible member (15) one end and arc groove
(161) offset, commutation extensible member (15) other end is offseted with arcuate groove (102), the upper end outer of inner carrier (5) be provided with for
The upper closeouts (7) of closure liquid outlet (92), the bottom of inner carrier (5) is provided with the lower closeouts for blocking inlet opening (93)
(17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849172.0U CN205955936U (en) | 2016-08-08 | 2016-08-08 | Hydrodynamic force proportioning pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849172.0U CN205955936U (en) | 2016-08-08 | 2016-08-08 | Hydrodynamic force proportioning pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955936U true CN205955936U (en) | 2017-02-15 |
Family
ID=57973780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620849172.0U Withdrawn - After Issue CN205955936U (en) | 2016-08-08 | 2016-08-08 | Hydrodynamic force proportioning pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050597A (en) * | 2016-08-08 | 2016-10-26 | 济宁市嘉易通塑料科技发展有限公司 | Water power proportioning pump |
| US11644020B2 (en) | 2019-07-29 | 2023-05-09 | Diversey, Inc. | Fluid dosing system |
-
2016
- 2016-08-08 CN CN201620849172.0U patent/CN205955936U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050597A (en) * | 2016-08-08 | 2016-10-26 | 济宁市嘉易通塑料科技发展有限公司 | Water power proportioning pump |
| CN106050597B (en) * | 2016-08-08 | 2018-02-06 | 济宁市嘉易通塑料科技发展有限公司 | Hydrodynamic force proportioning pump |
| US11644020B2 (en) | 2019-07-29 | 2023-05-09 | Diversey, Inc. | Fluid dosing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170215 Effective date of abandoning: 20180206 |
|
| AV01 | Patent right actively abandoned |