CN205176046U - Automatic liquid -transfering device - Google Patents
Automatic liquid -transfering device Download PDFInfo
- Publication number
- CN205176046U CN205176046U CN201520829225.8U CN201520829225U CN205176046U CN 205176046 U CN205176046 U CN 205176046U CN 201520829225 U CN201520829225 U CN 201520829225U CN 205176046 U CN205176046 U CN 205176046U
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- disk
- circular groove
- passage
- outlet
- channel
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Abstract
The utility model provides an automatic liquid -transfering device, including circular rotatable disc, plunger pump subassembly, the passageway of intercommunication disc, plunger pump subassembly and outside container. The plunger pump subassembly is through the push -and -pull release liquid and absorption liquid of outside power, liquid flows in the passageway, and rotatable disc control liquid flows into the specific passageway with the outflow. The aspirating needle is connected in transparent plate internal channel exit, and during the aspirating needle inserted the liquid in the container, the container cover was in the transparent plate bottom, and seamless connection between the transparent plate. The disc rotates to the passageway that need move liquid to the passageway intercommunication inside with the transparent plate. The utility model discloses a sealing performance is good, can realize the automatic operation completely, and convenient operation is simple, has improved work efficiency greatly, alleviates laboratory laboratory technician's work load. Because the utility model discloses an use of inferior nature, can effectively prevent the cross contamination between the sample, improve the correct rate of experimental result.
Description
Technical field
The utility model relates to a kind of lid being applicable to automatically move liquid, belongs to biomedicine technical field.
Background technology
In the biochemical test in the fields such as disease detection, food security, forensic identification, genomics, the pretreatment process of biological specimen is the most loaded down with trivial details, pipetting interts repeatedly in each flow process, as the transfer of sample, the interpolation of reagent, the mixing etc. of liquid, the sample after process can be put and carry out analysis and research detection to corresponding checkout equipment.Automatically move the liquor removing workstation that liquid uses robotization at present, be not suitable for the individual test experience in laboratory.And main still use liquid-transfering gun carries out the operation in Sample pretreatment manually in current Biochemical Lab, when sample throughput is slightly large, require great effort again during artificial treatment cost of sample, and easily move liquid mistake, and sample is easily contaminated.
Utility model content
For the problems referred to above, the utility model aims to provide a kind of lid being applicable to automatically move liquid, and its structure is simple, easy to operate, greatly can liberate the labour in laboratory.
For achieving the above object, the utility model is intended adopting following technical scheme: a kind of automatic pipetting device, comprise one piece of transparent panel, described transparent panel has a circular groove, a rotatable disk is provided with in described circular groove, spring is provided with between described disk bottom surface and circular groove bottom surface, spring bottom is fixed on circular groove bottom surface, top contact disk bottom surface and support disk, make disk bottom surface and circular groove bottom surface close to not contacting, by pressing disk Compress Spring, disk bottom surface is contacted with circular groove bottom surface; Fluid passage is carved with in described disk inside, and described fluid passage one end is positioned at disk bottom center, and one end is positioned at disk bottom end;
Comprise several and be fixed on container web member bottom transparent panel, each container web member is sealedly connected with a container; Several and container first passage are one to one carved with in described transparent panel inside; Container web member is passed to internal tank in each first passage one end, and end connects the aspirating needle extending container bottom, and one end is positioned on a circle of circular groove bottom surface; The outlet that described fluid passage is positioned at disk bottom end is positioned at directly over described circle, rotary push disk, fluid passage can be made to be positioned at the outlet of disk bottom end and any one is positioned at the outlet of the first passage of circular groove bottom surface;
Comprise an assembly of the plunger pump, described assembly of the plunger pump comprises the ram pump cavity that is engraved on transparent panel inside, described ram pump cavity one end is positioned at transparent panel lateral opening, one end connects third channel, it is corresponding with the outlet that fluid passage is positioned at disk bottom center that the described third channel other end is positioned at circular groove bottom surface, pressing disk, fluid passage can be made to be positioned at outlet that the outlet of disk bottom center and third channel are positioned at circular groove bottom surface; Described ram pump cavity internal fixtion has circular ring plate ram pump cavity being spaced apart inside and outside two chambers; A pull bar extends through circular ring plate to inner cavity chamber from outside, connects soft piston in inner cavity chamber one end, connects external drive equipment in outer chamber one end;
Comprise second channel, described second channel one end is communicated in the inner cavity chamber between soft piston and circular ring plate, and one end is communicated in several containers through container web member.
Further, described disk has a criss-cross groove.Conveniently insert external driver device, be beneficial to the rotation of disk, press down.
Further, be fixed with an annular cover plate above the outward flange of described circular groove, in described annular cover plate, circular diameter is greater than the length of cross-like groove, is less than disk diameter.
Further, described disk bottom surface is carved with one close to the deep-slotted chip breaker of full circle, described deep-slotted chip breaker is just being positioned at the outlet of the first passage of circular groove bottom surface to each, and each is positioned at the outlet projection of the first passage of circular groove bottom surface, shape for lugs matches with deep-slotted chip breaker concave shape, pressing disk, the outlet that each can be made to be positioned at the first passage of circular groove bottom surface is supporting is embedded at deep-slotted chip breaker.Adopt and be fitted together to close to the deep-slotted chip breaker of full circle and the first passage of outlet projection, better can be communicated with upper and lower two outlets, effectively prevent from exporting corresponding inaccurate problem.Meanwhile, adopt the deep-slotted chip breaker close to full circle can play spacing effect, prevent disk rotational excessive, can serviceable life of effective extension fixture.
Further, described deep-slotted chip breaker cross section is isosceles trapezoid, described in be positioned at the first passage of circular groove bottom surface outlet shape for lugs be that capitate is contraction-like, both nested arrangements.Better can be fitted together to, be communicated with better effects if.
Further, described pull bar, in outer chamber one end connection sliding block, arranges assembly of the plunger pump spring inside slide block and between circular ring plate, connect external drive equipment outside slide block.Pull bar moves, and is advanced, by assembly of the plunger pump spring self-return, pull bar return can be prevented too quickly, exceed second channel port by external drive equipment, makes to inject liquid in second channel, affects equipment work.
Further, the channel internal diameter of described fluid passage, first passage, second channel, third channel is 0.4-0.6mm, and the internal diameter of described ram pump cavity is 3.5-4.5mm.
Further, the outlet that described fluid passage is positioned at disk bottom center is that capitate is contraction-like, and the outlet that described third channel is positioned at circular groove bottom surface is capitate standing shape, and capitate standing shape matches with capitate is contraction-like, pressing disk, both nested arrangements.Better can be fitted together to, be communicated with better effects if.
Further, described transparent panel material is PMMA (organic glass).
Advantage of the present utility model:
The utility model is by connecting aspirating needle in described first passage exit, and aspirating needle is inserted in the liquid in container, and container set is in bottom of device, and seamless link between device.Circular rotatable circular disc rotates to the passage needing to move liquid, and with the channel connection of transparent panel inside.By the slide block in external drive equipment push-and-pull assembly of the plunger pump, drive soft piston to move, complete the operation of tapping and imbibition.Change speed and the amplitude of push-and-pull, can realize mixing liquid.Good seal performance of the present utility model, can be completely achieved the operation of robotization, simply easy to operate, substantially increases work efficiency, alleviates the workload of laboratory experiment person.Because the utility model is disposable, effectively can prevent the cross pollution between sample, improve the accuracy of experimental result.
Accompanying drawing explanation
Fig. 1 lid coupling structure of container figure;
Fig. 2 lid upward view;
The rotatable valve component structural drawing of Fig. 3;
Fig. 4 rotatable valve component pressing structure figure;
Fig. 5 lid assembly of the plunger pump sectional view.
Wherein: transparent panel 1, annular cover plate 2, assembly of the plunger pump 3, aspirating needle 4, container 5-8, circular groove 9, first passage 101-104, third channel 105, second channel 106, ram pump cavity 107, is positioned at the outlet projection 108 of the first passage of circular groove bottom surface, and container connects 109, fluid passage 201, disk 202, spring 204, groove 205, soft piston 301, pull bar 302, circular ring plate 303, assembly of the plunger pump spring 304, slide block 305.
Embodiment
Below in conjunction with embodiment and accompanying drawing 1-5 the utility model done and further explain.The following example only for illustration of the utility model, but is not used for limiting practical range of the present utility model.
As Figure 1-5, a kind of automatic pipetting device, comprise one piece of transparent panel 1, described transparent panel 1 has a circular groove 9, a rotatable disk 202 is provided with in described circular groove 9, spring 204 is provided with between described disk 202 bottom surface and circular groove 9 bottom surface, be fixed on circular groove bottom surface bottom spring 204, top contact disk bottom surface and support disk, make disk bottom surface and circular groove bottom surface close to not contacting, by pressing disk Compress Spring, disk bottom surface is contacted with circular groove bottom surface; Fluid passage 201 is carved with in described disk 202 inside, and described fluid passage 201 one end is positioned at disk bottom center, and one end is positioned at disk bottom end.
Comprise several and be fixed on container web member 109 bottom transparent panel, each container web member is sealedly connected with a container 5-8; Several and container first passage 101-104 are one to one carved with in described transparent panel 1 inside; Each first passage 101-104 one end is through container web member 109 to internal tank, and end connects the aspirating needle 4 extending container bottom, and one end is positioned on a circle of circular groove bottom surface; The outlet that described fluid passage is positioned at disk bottom end is positioned at directly over described circle, rotary push disk, fluid passage 201 can be made to be positioned at the outlet of disk bottom end and any one is positioned at the outlet of the first passage of circular groove bottom surface.
Comprise an assembly of the plunger pump 3, described assembly of the plunger pump 3 comprises the ram pump cavity 107 that is engraved on transparent panel inside, described ram pump cavity 107 one end is positioned at transparent panel lateral opening, one end connects third channel 105, it is corresponding with the outlet that fluid passage is positioned at disk bottom center that described third channel 105 other end is positioned at circular groove bottom surface, pressing disk, fluid passage can be made to be positioned at outlet that the outlet of disk bottom center and third channel are positioned at circular groove bottom surface; Described ram pump cavity 107 internal fixtion has a circular ring plate 303 ram pump cavity being spaced apart inside and outside two chambers; A pull bar 302 extends through circular ring plate to inner cavity chamber from outside, connects soft piston 301 in inner cavity chamber one end, connects external drive equipment in outer chamber one end.
Comprise second channel 106, described second channel 106 one end is communicated in the inner cavity chamber between soft piston and circular ring plate, and one end is communicated in several containers through container web member.
As preferred embodiment, described disk 202 has a criss-cross groove 205.Conveniently insert external driver device, be beneficial to the rotation of disk, press down.
As preferred embodiment, be fixed with an annular cover plate 2 above the outward flange of described circular groove 9, in described annular cover plate 2, circular diameter is greater than the length of cross-like groove, is less than disk diameter.
As preferred embodiment, described disk bottom surface is carved with one close to the deep-slotted chip breaker 206 of full circle, described deep-slotted chip breaker 206 is just being positioned at the outlet of the first passage of circular groove bottom surface to each, and each is positioned at the outlet projection (108) of the first passage of circular groove bottom surface, shape for lugs matches with deep-slotted chip breaker concave shape, pressing disk, the outlet that each can be made to be positioned at the first passage of circular groove bottom surface is supporting is embedded at deep-slotted chip breaker.Adopt and be fitted together to close to the deep-slotted chip breaker of full circle and the first passage of outlet projection, better can be communicated with upper and lower two outlets, effectively prevent from exporting corresponding inaccurate problem.Meanwhile, adopt the deep-slotted chip breaker close to full circle can play spacing effect, prevent disk rotational excessive, can serviceable life of effective extension fixture.Described deep-slotted chip breaker 206 cross section is isosceles trapezoid, described in be positioned at the first passage of circular groove bottom surface outlet shape for lugs be that capitate is contraction-like, both nested arrangements.Better can be fitted together to, be communicated with better effects if.
As preferred embodiment, described pull bar 302, in outer chamber one end connection sliding block 305, arranges assembly of the plunger pump spring 304 inside slide block and between circular ring plate, connect external drive equipment outside slide block.Pull bar moves, and is advanced, by assembly of the plunger pump spring self-return, pull bar return can be prevented too quickly, exceed second channel port by external drive equipment, makes to inject liquid in second channel, affects equipment work.
As preferred embodiment, the channel internal diameter of described fluid passage 201, first passage 101-104, second channel 106, third channel 105 is 0.4-0.6mm, and the internal diameter of described ram pump cavity 107 is 3.5-4.5mm.
As preferred embodiment, the outlet that described fluid passage 201 is positioned at disk bottom center is that capitate is contraction-like, and the outlet that described third channel 105 is positioned at circular groove bottom surface is capitate standing shape, and capitate standing shape matches with capitate is contraction-like, pressing disk, both nested arrangements.Better can be fitted together to, be communicated with better effects if.
Following described case be set in carry out liquid between four containers transfer first respectively by four aspirating needles 4 respectively with first passage 101-104 at exit compact siro spinning technology.Aspirating needle 4 is all inserted in the liquid in container 5-8, container 5-8 is connected with the container web member 109 bottom transparent panel 1 and coordinates, the outlet of second channel 106 one end communicates with each container through each container web member 109, can keep the air pressure balance in container like this.During original state, soft piston 301 is in the front end of lid channel 107.
Imbibition process: external driver device rotates rotatable circular disc, mouth rotation fluid passage being positioned at disk bottom end is positioned at above the outlet of circular groove bottom surface to the first passage be connected with the container holding liquid to be moved, press down rotatable circular disc, two outlets first passage be connected with the container holding liquid to be moved of fluid passage is positioned at the outlet projection tabling of circular groove bottom surface, another and third channel are positioned at circular groove bottom surface projection tabling, the outlet projection of other first passages is in deep-slotted chip breaker, combination between rotatable circular disc and circular groove bottom surface is balanced, carry out zero-clearance connection, as accompanying drawing 3, shown in 4.The external drive equipment be connected with slide block pulls out slide block, drive pull bar, make soft piston along the outwards movement of ram pump cavity inner wall, due to the airtight connection in each passage place, therefore the liquid in container is by aspirating needle, and first passage, fluid passage and third channel enter into ram pump cavity.It is one section of airtight air between soft piston and circular ring plate, soft piston is movement outwards, compresses this section of air, and this section of air enters in container by second channel, by the liquid driven that remains in passage in ram pump cavity, the air pressure balance of whole stream can be kept.
Move liquid process: sucked by liquid to be transferred after in ram pump cavity, driving force on release crisscross grooves, rotate rotatable circular disc, mouth rotation fluid passage being positioned at disk bottom end to hold the first passage that the container that shifts liquid is connected and be positioned at above the outlet of circular groove bottom surface, press down rotatable circular disc, two outlet one of fluid passage is positioned at the outlet projection tabling of circular groove bottom surface with holding first passage that the container that shifts liquid is connected, another and third channel are positioned at circular groove bottom surface projection tabling, the outlet projection of other first passages is in deep-slotted chip breaker, combination between rotatable circular disc and circular groove bottom surface is balanced, carry out zero-clearance connection.External drive equipment inwardly promotes slide block, and the liquid in ram pump cavity is entered in container by the passage in third channel, fluid passage, first passage, aspirating needle by soft piston.
Blending process: after imbibition process completes, changes speed and the amplitude of external drive equipment push-and-pull slide block, liquid can be made constantly to flow in the channel, thus realize the mutual mixing of liquid.
The process of whole liquid transfer, by controlling sequential and the action of external drive equipment, can complete all operations moving liquid process.Easy to operate, substantially increase work efficiency, alleviate the workload of laboratory experiment person.Because the utility model is disposable, effectively can prevent the cross pollution between sample, improve the accuracy of experimental result.
More than describe preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple equivalents to the technical solution of the utility model, these equivalents all belong to protection domain of the present utility model.
Claims (6)
1. an automatic pipetting device, it is characterized in that, comprise one piece of transparent panel (1), described transparent panel (1) has a circular groove (9), a rotatable disk (202) is provided with in described circular groove (9), spring (204) is provided with between described disk (202) bottom surface and circular groove (9) bottom surface, spring (204) bottom is fixed on circular groove bottom surface, top contact disk bottom surface and support disk, make disk bottom surface and circular groove bottom surface close to not contacting, by pressing disk Compress Spring, disk bottom surface is contacted with circular groove bottom surface, fluid passage (201) is carved with in described disk (202) inside, and described fluid passage (201) one end is positioned at disk bottom center, and one end is positioned at disk bottom end,
Comprise several and be fixed on container web member (109) bottom transparent panel, each container web member is sealedly connected with a container (5-8); Several and container first passage (101-104) are one to one carved with in described transparent panel (1) inside; Container web member (109) is passed to internal tank in each first passage (101-104) one end, and end connects the aspirating needle (4) extending container bottom, and one end is positioned on a circle of circular groove bottom surface; The outlet that described fluid passage is positioned at disk bottom end is positioned at directly over described circle, rotary push disk, can make fluid passage (201) be positioned at the outlet of disk bottom end and any one is positioned at the outlet of the first passage of circular groove bottom surface;
Comprise an assembly of the plunger pump (3), described assembly of the plunger pump (3) comprises the ram pump cavity (107) that is engraved on transparent panel inside, described ram pump cavity (107) one end is positioned at transparent panel lateral opening, one end connects third channel (105), it is corresponding with the outlet that fluid passage is positioned at disk bottom center that described third channel (105) other end is positioned at circular groove bottom surface, pressing disk, fluid passage can be made to be positioned at outlet that the outlet of disk bottom center and third channel are positioned at circular groove bottom surface; Described ram pump cavity (107) internal fixtion has a circular ring plate (303) ram pump cavity being spaced apart inside and outside two chambers; A pull bar (302) extends through circular ring plate to inner cavity chamber from outside, connects soft piston (301) in inner cavity chamber one end, connects external drive equipment in outer chamber one end;
Comprise second channel (106), described second channel (106) one end is communicated in the inner cavity chamber between soft piston and circular ring plate, and one end is communicated in several containers through container web member.
2. a kind of automatic pipetting device according to claim 1, is characterized in that, described disk (202) has a criss-cross groove (205).
3. a kind of automatic pipetting device according to claim 2, it is characterized in that, an annular cover plate (2) is fixed with above the outward flange of described circular groove (9), described annular cover plate (2) interior circular diameter is greater than the length of cross-like groove, is less than disk diameter.
4. a kind of automatic pipetting device according to claim 1, it is characterized in that, described disk bottom surface is carved with one close to the deep-slotted chip breaker (206) of full circle, described deep-slotted chip breaker (206) is just being positioned at the outlet of the first passage of circular groove bottom surface to each, and each is positioned at the outlet projection (108) of the first passage of circular groove bottom surface, shape for lugs matches with deep-slotted chip breaker concave shape, pressing disk, the outlet that each can be made to be positioned at the first passage of circular groove bottom surface is supporting is embedded at deep-slotted chip breaker.
5. a kind of automatic pipetting device according to claim 1, it is characterized in that, described pull bar (302) is in outer chamber one end connection sliding block (305), assembly of the plunger pump spring (304) is set inside slide block and between circular ring plate, outside slide block, connects external drive equipment.
6. a kind of automatic pipetting device according to claim 1, it is characterized in that, the channel internal diameter of described fluid passage (201), first passage (101-104), second channel (106), third channel (105) is 0.4-0.6mm, and the internal diameter of described ram pump cavity (107) is 3.5-4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829225.8U CN205176046U (en) | 2015-10-22 | 2015-10-22 | Automatic liquid -transfering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829225.8U CN205176046U (en) | 2015-10-22 | 2015-10-22 | Automatic liquid -transfering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205176046U true CN205176046U (en) | 2016-04-20 |
Family
ID=55740022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829225.8U Withdrawn - After Issue CN205176046U (en) | 2015-10-22 | 2015-10-22 | Automatic liquid -transfering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205176046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158492A (en) * | 2015-10-22 | 2015-12-16 | 东南大学 | Automatic pipetting device |
-
2015
- 2015-10-22 CN CN201520829225.8U patent/CN205176046U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158492A (en) * | 2015-10-22 | 2015-12-16 | 东南大学 | Automatic pipetting device |
| CN105158492B (en) * | 2015-10-22 | 2017-03-08 | 东南大学 | A kind of automatic pipetting device |
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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: 20160420 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |