CN103272659A - Handheld multipurpose adjustable constant-volume liquid transferring device - Google Patents
Handheld multipurpose adjustable constant-volume liquid transferring device Download PDFInfo
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- CN103272659A CN103272659A CN2013102092588A CN201310209258A CN103272659A CN 103272659 A CN103272659 A CN 103272659A CN 2013102092588 A CN2013102092588 A CN 2013102092588A CN 201310209258 A CN201310209258 A CN 201310209258A CN 103272659 A CN103272659 A CN 103272659A
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- 239000007788 liquid Substances 0.000 title claims abstract description 71
- 239000012530 fluid Substances 0.000 claims description 14
- 238000003915 air pollution Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 13
- 238000005213 imbibition Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
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Abstract
The invention provides a handheld multipurpose adjustable constant-volume liquid transferring device. A pump core is fixed on an opening of a liquid containing bottle; a plunger piston is adapted to a pump cavity in the pump core; the pump cavity is sequentially connected with a liquid inlet check valve and a liquid inlet pipe and then is communicated with an inner cavity of the liquid containing bottle; the pump cavity is sequentially connected with a liquid outlet check valve and a liquid outlet pipe, and then is communicated with the outside of the liquid containing bottle; the tail part, which is located outside the pump cavity, of the plunger piston is connected with a pressure mechanism for driving the plunger piston to do axial movement, and an adjusting mechanism for adjusting the volume of the pump cavity; and the adjusting mechanism is provided with scales for marking the volume of the pump cavity. The handheld multipurpose adjustable constant-volume liquid transferring device disclosed by the invention is good in reliability and low in manufacturing cost, is suitable for micro-scale liquid transferring and constant-amount liquid transferring, can be applied to quantitative liquid transferring and variable liquid transferring, and can automatically suck liquid, automatically balance pressure and prevent air pollution.
Description
Technical field
The present invention relates to a kind of instrument, especially relate to a kind of liquid transfer device.
Background technology
Produce in the animal health in medication chemistry research work and herding, ubiquity needs continuous and quantitative to move the situation of liquid or administration.Such as, when doing the medicament contg cloud test, need be isopyknic with a kind of reagent toward adding in the dozens of sample, give with a collection of newborn piglet and irritate hello health medicine, to being done eye droppings or collunarium vaccine inoculation etc. with a collection of baby chick.Yet when continuous and quantitative moved liquid in research work, existing instrument was common pipette and comparatively advanced push type pipettor, it is more accurate that common pipette is measured liquid, still, and complicated operation, and need constantly to repeat imbibition, constant volume, move the liquid process, workload is very big; The push type pipettor, lacked the constant volume step though compare common pipette in operation, the imbibition process is also simple a lot, but also exist constant volume be not so good as common pipette accurately, move the long-pending too little shortcoming of scope of liquid, operating process is also simple inadequately, and the moving then thousands of price of pipettor also is difficult to allow ordinary laboratory or teaching unit prepare enough quantity.
Summary of the invention
The present invention aims to provide the adjustable constant volume liquid-transfering device of a kind of multi-purpose hand hold, its good reliability, and low cost of manufacture both had been applicable to micropipette, also had been applicable to that constant moved liquid; Both can quantitatively move liquid, also can move liquid by variable, and imbibition, self-balancing pressure and prevent air pollution automatically.
Technical scheme of the present invention is the adjustable constant volume liquid-transfering device of a kind of multi-purpose hand hold, the pump core is fixed on the liquid holding bottle bottleneck, the pump chamber of plunger and pump in-core is suitable, pump chamber is communicated with the liquid holding bottle inner chamber after connecting feed liquor check valve, feed tube successively, pump chamber connects behind fluid check valve, the drain pipe and the liquid holding bottle external communications successively, described plunger is positioned at the outer afterbody of pump chamber and is connected with drive the plunger pressure mechanism that axially moves and the governor motion of adjusting pump chamber, and described governor motion is provided with the scale of mark pump chamber.
Preferably, described pressure mechanism, governor motion comprises the plunger guide bush that covers on outside the plunger, described plunger guide bush one end is installed on the male part of pump core, the external diameter of described male part is less than the internal diameter of plunger guide bush, described male part outer surface is provided with seam away from the end that end and the plunger guide bush inner surface of core pump is installed on the pump core, be provided with demarcation strip in the plunger guide bush, described demarcation strip is divided into plunger guide bush inside near the pump core with away from two zones of pump core, be provided with coil spring near in the zone of pump core, one end of described spring is fixed on the pump core, the other end of spring is fixed on the demarcation strip, the afterbody of plunger is provided with external screw thread, the middle position of demarcation strip is provided with through hole, and described through hole is provided with the internal thread suitable with the external screw thread of plunger tail, is scale area away from the zone of pump core, described scale area is provided with groove, the afterbody of plunger is provided with knob, and described knob is positioned at groove, and described scale is arranged on the edge of groove.
Preferably, described pump core is fixed on the liquid holding bottle by bottle cap, described bottle cap is provided with and is communicated with liquid holding bottle inner chamber and outside air-vent, described air-vent is provided with ventilative pad away from liquid holding bottle inner chamber one end and covers dismountable ventilating cover of ventilative pad, described ventilative pad permeable watertight.
Preferably, described bottle cap is threaded with liquid holding bottle, bottle cap is provided with housing, described housing covers pump core, drain pipe, housing does not cover the male part that the pump core is used for the erection column plug sleeve, the position that described drain pipe passes housing is provided with fixed connector, moves the liquid head and is communicated with drain pipe by fixed connector.
Preferably, described feed liquor check valve, fluid check valve are pallet shape check valve, and the upper edge of feed liquor check valve, fluid check valve is provided with breach.
Preferably, described fixed connector is snap joint.
Preferably, the lower end mouth of pipe of described feed tube is skewed, and the lower end of feed tube contacts with the liquid holding bottle inner bottom part.
Preferably, described plunger guide bush is aduncate arc away from the end face of pump core.
The present invention is simple in structure, good reliability, and low cost of manufacture both had been applicable to micropipette, also had been applicable to that constant moved liquid; Both can quantitatively move liquid, also can move liquid by variable, and imbibition, self-balancing pressure and prevent air pollution automatically.
Description of drawings
Fig. 1 is structural front view of the present invention;
Among the figure: 1-moves the liquid head, 2-fixed connector, 3-drain pipe, the 4-housing, 5-fluid check valve, 6-pump core, 7-feed liquor check valve, 8-ventilating cover, the 9-pad of breathing freely, the 10-air-vent, 11-plunger bushing, 12-knob, the 13-scale area, 14-plunger, 15-spring, the 16-bottle cap, 17-liquid holding bottle, 18-feed tube, 19-pump chamber, 20-demarcation strip.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, the invention discloses the adjustable constant volume liquid-transfering device of a kind of multi-purpose hand hold, pump core 6 is fixed on liquid holding bottle 17 bottlenecks by bottle cap 16, the material of bottle cap 16 is PC, the material of pump core 6 is PC, glass or pottery, bottle cap 16 is threaded with liquid holding bottle 17, bottle cap 16 is provided with and is communicated with liquid holding bottle 17 inner chambers and outside air-vent 10, the setting of air-vent 10 is in order to the pressure inside and outside the balance liquid holding bottle 17, having overcome because liquid in the bottle reduces the generation negative pressure brings influence for the liquid sucking-off, described air-vent 10 is provided with ventilative pad 9 away from liquid holding bottle 17 inner chambers one end and covers dismountable ventilating cover 8 of ventilative pad 9, the material of ventilating cover 8 is PVC, the material of ventilative pad 9 is polyethylene or ventilated membrane, described ventilative pad 9 permeable watertights, can filter an air that enters in the bottle prevent simultaneously bottle interior liquid overflow to bottle outside, prevent from that bottle outer material from entering in the bottle to pollute; Bottle cap 16 is provided with housing 4, the material of housing 4 is PVC, and housing 4 covers pump core 6, drain pipe 3, and housing 4 does not cover the male part that pump core 6 is used for erection column plug sleeve 11, the position that described drain pipe 3 passes housing 4 is provided with fixed connector 2, and described fixed connector 2 is snap joint; Move liquid head 1 and be communicated with drain pipe 3 by fixed connector 2, the described material that moves liquid head 1, fixed connector 2 and drain pipe 3 is PC; Be provided with pump chamber 19 in the pump core 6, pump chamber 19 connects feed liquor check valve 7 successively, feed tube 18 backs are communicated with liquid holding bottle 17 inner chambers, the material of feed tube 18 is PC, the material of liquid holding bottle 17 is PC or glass, the lower end mouth of pipe of described feed tube 18 is skewed, and the lower end of feed tube 18 contacts with liquid holding bottle 17 inner bottom parts; Pump chamber 19 connects fluid check valve 5, drain pipe 3 backs and liquid holding bottle 17 external communications successively, described feed liquor check valve 7, fluid check valve 5 are pallet shape check valve, material is glass or pottery, and the upper edge of feed liquor check valve 7, fluid check valve 5 is provided with breach; Be provided with suitable with it plunger 14 in the described pump chamber 19, plunger 14 is positioned at pump chamber 19 outer afterbodys and is connected with the plunger guide bush 11 that drive plunger 14 axially moves, the material of plunger 14 is PC, the material of plunger guide bush 11 is PVC, plunger guide bush 11 covers on outside the plunger 14, described plunger guide bush 11 1 ends are installed on the male part of pump core 6, the external diameter of described male part is less than the internal diameter of plunger guide bush 11, described male part outer surface is provided with seam away from the end that is installed on the pump core 6 in the end of core pump 6 and the plunger guide bush 11, after plunger guide bush 11 is inserted in the male part of pump core 6, by the seam axial location, prevent that plunger guide bush 11 from coming off from male part, plunger guide bush 11 is aduncate arc away from the end face of pump core 6; Be provided with demarcation strip 20 in the plunger guide bush 11, described demarcation strip 20 is divided into plunger guide bush 11 inside near pump core 6 with away from two zones of pump core 6, be provided with coil spring 15 near in the zone of pump core 6, one end of described spring 15 is fixed on the pump core 6, the other end of spring 15 is fixed on the demarcation strip 20, the afterbody of plunger 14 is provided with external screw thread, the middle position of demarcation strip 20 is provided with through hole, described through hole is provided with the internal thread suitable with the external screw thread of plunger 14 afterbodys, zone away from pump core 6 is scale area 13, described scale area 13 is provided with groove, the afterbody of plunger 14 is provided with knob 12, the material of knob 12 is PVC, described knob 12 is positioned at groove, described scale is arranged on the edge of groove, directly rotates knob 12 and gets final product the position of pilot plunger 14 in pump chamber 19, and then reach the purpose of the capacity of regulating pump chamber 19.
During concrete operations, with hand squeezing rod plug sleeve 11, when this moment, plunger 14 was subjected to inside pressure, plunger 14 is inwardly advanced, liquid in the compressing pump chamber 19, pressure by liquid effects in feed liquor check valve 7 and fluid check valve 5, fluid check valve 5 in the liquid outlet channel is opened, feed liquor check valve 7 in the feed pathway is closed, and the fluid check valve 5 of liquid in liquid outlet channel enters drain pipe 3, and through drain pipe 3 with move liquid head 1 and discharge; After plunger 14 suffered inside pressure disappeared, under the effect of spring 15, plunger 14 was outwards advanced, make and produce negative pressure in the pump chamber 19, fluid check valve 5 in the liquid outlet channel is closed, and the feed liquor check valve 7 in the feed pathway is opened, and liquid is in feed tube 18 enters pump core 6 cavitys; So circulation can realize the quantitative ejection of liquid, and when needing the volume of transfer liquid ejection, knob 12 corresponding position in scale area 13 of adjusting plunger 14 tail ends gets final product.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (8)
1. adjustable constant volume liquid-transfering device of multi-purpose hand hold, it is characterized in that: pump core (6) is fixed on liquid holding bottle (17) bottleneck, plunger (14) is suitable with the pump chamber (19) in the pump core (6), pump chamber (19) connects feed liquor check valve (7) successively, feed tube (18) back is communicated with liquid holding bottle (17) inner chamber, pump chamber (19) connects fluid check valve (5) successively, drain pipe (3) back and liquid holding bottle (17) external communications, described plunger (14) is positioned at the outer afterbody of pump chamber (19) and is connected with drive plunger (14) pressure mechanism that axially moves and the governor motion of adjusting pump chamber (19) volume, and described governor motion is provided with the scale of mark pump chamber (19) volume.
2. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 1, it is characterized in that: described pressure mechanism, governor motion comprises the plunger guide bush (11) that covers on outside the plunger (14), described plunger guide bush (11) one ends are installed on the male part of pump core (6), the external diameter of described male part is less than the internal diameter of plunger guide bush (11), described male part outer surface is provided with seam away from the end that end and plunger guide bush (11) inner surface of core pump (6) is installed on the pump core (6), be provided with demarcation strip (20) in the plunger guide bush (11), described demarcation strip (20) is divided into plunger guide bush (11) inside near pump core (6) with away from two zones of pump core (6), be provided with coil spring (15) near in the zone of pump core (6), one end of described spring (15) is fixed on the pump core (6), the other end of spring (15) is fixed on the demarcation strip (20), the afterbody of plunger (14) is provided with external screw thread, the middle position of demarcation strip (20) is provided with through hole, described through hole is provided with the internal thread suitable with the external screw thread of plunger (14) afterbody, zone away from pump core (6) is scale area (13), described scale area (13) is provided with groove, the afterbody of plunger (14) is provided with knob (12), described knob (12) is positioned at groove, and described scale is arranged on the edge of groove.
3. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 2, it is characterized in that: described pump core (6) is fixed on the liquid holding bottle (17) by bottle cap (16), described bottle cap (16) is provided with and is communicated with liquid holding bottle (17) inner chamber and outside air-vent (10), described air-vent (10) is provided with ventilative pad (9) away from liquid holding bottle (17) inner chamber one end and covers dismountable ventilating cover (8) of ventilative pad (9), described ventilative pad (9) permeable watertight.
4. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 3, it is characterized in that: described bottle cap (16) is threaded with liquid holding bottle (17), bottle cap (16) is provided with housing (4), described housing (4) covers pump core (6), drain pipe (3), housing (4) does not cover the male part that pump core (6) is used for erection column plug sleeve (11), the position that described drain pipe (3) passes housing (4) is provided with fixed connector (2), moves liquid head (1) and is communicated with drain pipe (3) by fixed connector (2).
5. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 1, it is characterized in that: described feed liquor check valve (7), fluid check valve (5) are pallet shape check valve, and the upper edge of feed liquor check valve (7), fluid check valve (5) is provided with breach.
6. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 4 is characterized in that: described fixed connector (2) is snap joint.
7. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 1, it is characterized in that: the lower end mouth of pipe of described feed tube (18) is skewed, and the lower end of feed tube (18) contacts with liquid holding bottle (17) inner bottom part.
8. the adjustable constant volume liquid-transfering device of multi-purpose hand hold according to claim 2, it is characterized in that: described plunger guide bush (11) is aduncate arc away from the end face of pump core (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209258.8A CN103272659B (en) | 2013-05-30 | 2013-05-30 | Handheld multipurpose adjustable constant-volume liquid transferring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310209258.8A CN103272659B (en) | 2013-05-30 | 2013-05-30 | Handheld multipurpose adjustable constant-volume liquid transferring device |
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| Publication Number | Publication Date |
|---|---|
| CN103272659A true CN103272659A (en) | 2013-09-04 |
| CN103272659B CN103272659B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310209258.8A Expired - Fee Related CN103272659B (en) | 2013-05-30 | 2013-05-30 | Handheld multipurpose adjustable constant-volume liquid transferring device |
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| CN (1) | CN103272659B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416871A (en) * | 2016-01-07 | 2016-03-23 | 陈玉洁 | Adjustable spray valve |
| CN110207016A (en) * | 2019-07-01 | 2019-09-06 | 南方科技大学 | Trace liquid transfer device and trace liquid transfer system |
| CN111389643A (en) * | 2020-04-09 | 2020-07-10 | 佛山市南海科日超声电子有限公司 | Atomizing equipment with diffusing wind |
| CN111982639A (en) * | 2020-09-04 | 2020-11-24 | 贵州美鑫达医疗科技有限公司 | Device for separating liquid of rapid automatic dyeing machine and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210028Y (en) * | 1993-12-28 | 1995-10-18 | 佘国祥 | Hand carried type adjustable and continuous liquid adding device |
| CN201930796U (en) * | 2011-03-03 | 2011-08-17 | 崔上上 | Adjustable quantitative pipettor for laboratory |
| CN203253456U (en) * | 2013-05-30 | 2013-10-30 | 成都乾坤动物药业有限公司 | Multipurpose handheld adjustable constant-volume pipetting device |
-
2013
- 2013-05-30 CN CN201310209258.8A patent/CN103272659B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210028Y (en) * | 1993-12-28 | 1995-10-18 | 佘国祥 | Hand carried type adjustable and continuous liquid adding device |
| CN201930796U (en) * | 2011-03-03 | 2011-08-17 | 崔上上 | Adjustable quantitative pipettor for laboratory |
| CN203253456U (en) * | 2013-05-30 | 2013-10-30 | 成都乾坤动物药业有限公司 | Multipurpose handheld adjustable constant-volume pipetting device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416871A (en) * | 2016-01-07 | 2016-03-23 | 陈玉洁 | Adjustable spray valve |
| CN110207016A (en) * | 2019-07-01 | 2019-09-06 | 南方科技大学 | Trace liquid transfer device and trace liquid transfer system |
| CN110207016B (en) * | 2019-07-01 | 2023-12-12 | 深圳市芯卫来科技有限公司 | Trace liquid transfer device and trace liquid transfer system |
| CN111389643A (en) * | 2020-04-09 | 2020-07-10 | 佛山市南海科日超声电子有限公司 | Atomizing equipment with diffusing wind |
| CN111982639A (en) * | 2020-09-04 | 2020-11-24 | 贵州美鑫达医疗科技有限公司 | Device for separating liquid of rapid automatic dyeing machine and use method thereof |
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| Publication number | Publication date |
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| CN103272659B (en) | 2015-04-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 611130 Wenjiang, Chengdu, Chengdu cross strait science and Technology Industrial Development Zone, Jin Fu Road, Sichuan Patentee after: Chengdu Qiankun animal pharmaceutical Limited by Share Ltd Address before: 611130 Wenjiang, Chengdu, Chengdu cross strait science and Technology Industrial Development Zone, Jin Fu Road, Sichuan Patentee before: Chengdu Qiankun Animal Pharmaceutical Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20190530 |