CN212855837U - Liquid transfer device - Google Patents
Liquid transfer device Download PDFInfo
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- CN212855837U CN212855837U CN202021410857.8U CN202021410857U CN212855837U CN 212855837 U CN212855837 U CN 212855837U CN 202021410857 U CN202021410857 U CN 202021410857U CN 212855837 U CN212855837 U CN 212855837U
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Abstract
A liquid transfer device comprises a bottom plate, wherein a plurality of pairs of supporting rods are arranged on the bottom plate; the lifting plate is arranged above the bottom plate in a lifting manner; the limiting plate is arranged above the lifting plate, and a test tube hole is formed in the limiting plate; the liquid transferring frame is arranged above the limiting plate and comprises a pair of cross rods which are arranged in parallel, liquid transferring rods are arranged on the cross rods and are perpendicular to the cross rods, a plurality of liquid transferring grooves are arrayed on the edges of the liquid transferring rods, and the distance between the liquid transferring grooves is equal to that between the test tube holes; fixture is equipped with a plurality ofly and the centre gripping interval is adjustable, fixture and test tube hole match. The utility model discloses an adjust the lifter plate height, make test tube pore pair test tube first half carry on spacingly, the recess is to the test tube bottom mounting, because fixture's centre gripping interval is adjustable, is applicable to the centre gripping operation of different diameter test tubes, improves the centre gripping stability.
Description
Technical Field
The utility model relates to an environment check out test set field is relevant with a liquid-transfering device very much.
Background
The liquid transfer device is a device for assisting liquid transfer, is widely applied to the field of environmental detection and is convenient for executing experimental analysis. The existing liquid transfer device is simple in structure, mostly of a fixed structure, can only be applicable to the transfer of liquid in a certain model test tube, is small in application range, and is unstable in test tube clamping when a clamping part tends to the bottom due to different sizes of the test tubes.
SUMMERY OF THE UTILITY MODEL
To the problem that relevant prior art exists, the utility model provides a move liquid device, through adjusting the lifter plate height when the test tube is placed, make test tube pore pair test tube first carry on spacingly, the recess is to the test tube bottom mounting, because fixture's centre gripping interval is adjustable, is applicable to the centre gripping operation of different diameter test tubes, improves the centre gripping stability.
In order to achieve the above purpose, the utility model adopts the following technology:
a pipetting device comprising:
the bottom plate is provided with a plurality of pairs of supporting rods;
the lifting plate is arranged above the bottom plate in a lifting manner;
the limiting plate is arranged above the lifting plate, and a test tube hole is formed in the limiting plate;
the liquid transferring frame is arranged above the limiting plate and comprises a pair of cross rods which are arranged in parallel, liquid transferring rods are arranged on the cross rods and are perpendicular to the cross rods, a plurality of liquid transferring grooves are arrayed on the edges of the liquid transferring rods, and the distance between the liquid transferring grooves is equal to that between the test tube holes;
fixture is equipped with a plurality ofly and the centre gripping interval is adjustable, fixture and test tube hole match.
Furthermore, the bottom of the bottom plate is provided with a plurality of anti-skid pads.
Furthermore, the supporting rod is arranged on the lifting plate in a sleeved mode, the screw rods are symmetrically and threadedly connected to the edges of the lifting plate, the bottom ends of the screw rods are rotatably connected with the bottom plate, and the limiting plates are arranged at the top ends of the screw rods in a penetrating mode.
Furthermore, the top end of the screw rod is fixedly connected with a rotating block, the rotating block is in a regular polygon shape, and the rotating block is horizontally provided with a regulating hole.
Furthermore, the bottoms of the two ends of the cross rod are rotatably connected with vertical rods, the bottom ends of the vertical rods are in threaded connection with nuts, and the nuts are fixed on the limiting plates.
Furthermore, a plurality of limiting holes are uniformly formed in the cross rod, limiting pins are arranged at the bottoms of the two ends of the liquid transferring rod, and the liquid transferring rod is fixed when the limiting pins are arranged in the limiting holes.
Further, fixture includes the holding frame, and the holding rod is worn to be equipped with by the holding frame, and the holding rod is equipped with the spring along test tube aperture direction, and the holding rod cover is equipped with, and in the holding frame was located to the spring, spring one end was fixed in the holding frame, and the cover is equipped with the spacing ring on the holding rod, the spacing ring fixed connection spring other end, the holding rod is connected with curved grip block towards test tube hole center one end.
Furthermore, the top surface of the lifting plate is provided with a groove, and the groove is matched with the test tube hole.
The utility model discloses beneficial effect:
1. through adjusting the lifter plate height when the test tube is placed, make test tube pore pair test tube first half carry on spacingly, the recess is fixed to the test tube bottom, because fixture's centre gripping interval is adjustable, is applicable to the centre gripping operation of different diameter test tubes, improves the centre gripping stability.
2. Move liquid pole messenger through removing during the liquid-transfering and move the liquid groove in the test tube top, place the liquid-transfering gun head in liquid groove department, during the injection test tube that makes liquid accurate, prevent liquid outflow, improve the security.
3. The rotary block is designed into a regular polygon, has a certain anti-skidding effect, is convenient for screw rotation adjustment, can rotate by inserting the adjusting rod in the adjusting hole when the screw rotation resistance is large, is convenient to operate, and has strong practicability.
4. When the test tube inserted fixture, because the test tube bottom is circular or toper, extrudeed the grip block to both ends for the supporting rod produces and removes, and spacing ring extrusion spring warp, and the spring provides reverse effort to the grip block when the test tube is fixed, makes grip block and test tube outer wall closely laminate, improves the centre gripping effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a partial structure a in fig. 1.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic view of a portion B of fig. 3.
Fig. 5 is a schematic structural view of the clamping mechanism.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in FIGS. 1 to 3, the liquid transfer device comprises a bottom plate 1, a lifting plate 2 which can be lifted and arranged above the bottom plate 1, a limiting plate 3 arranged above the lifting plate 2, a liquid transfer rack 4 arranged above the limiting plate 3, and a clamping mechanism 5 with adjustable clamping distance.
The bottom plate 1 is provided with a plurality of pairs of support rods 101, and the bottom of the bottom plate 1 is provided with a plurality of anti-skid pads 102.
The limiting plate 3 is provided with a test tube hole 301, and the groove 204 is matched with the test tube hole 301.
The liquid transferring frame 4 comprises a pair of cross bars 401 arranged in parallel, liquid transferring rods 402 are arranged on the cross bars 401, the liquid transferring rods 402 are perpendicular to the cross bars 401, a plurality of liquid transferring grooves 403 are arrayed on the edges of the liquid transferring rods 402, and the intervals of the liquid transferring grooves 403 are equal to the intervals of the test tube holes 301.
When a test tube is placed, the height of the lifting plate 2 is adjusted by rotating the screw rod 201, the limiting plate 3 is located at the upper half part of the test tube, the upper half part of the test tube is limited by the test tube hole 301, the bottom end of the test tube is fixed by the groove 204, and the clamping space of the clamping mechanism 5 is adjustable, so that the clamping mechanism is suitable for clamping operation of test tubes with different diameters, and the clamping stability is improved; during the liquid removal, through removing the position that liquid removal pole 402 is in horizontal pole 401, make liquid removal groove 403 be located the test tube top, place the liquid-transfering gun head in liquid removal groove 403 department, make in the accurate injection test tube of liquid, prevent liquid outflow, improve the security.
Further, the top end of the screw 201 is fixedly connected with a rotating block 202, the rotating block 202 is in a regular polygon shape, and the rotating block 202 is horizontally provided with an adjusting hole 203.
Further, the bottoms of the two ends of the cross rod 401 are rotatably connected with the vertical rod 404, the bottom end of the vertical rod 404 is in threaded connection with a nut 405, and the nut 405 is fixed on the limiting plate 3.
Further, as shown in fig. 4, a plurality of limiting holes 406 are uniformly formed on the cross bar 401, limiting pins 407 are disposed at the bottoms of the two ends of the liquid-transferring rod 402, and the liquid-transferring rod 402 is fixed when the limiting pins 407 are mounted in the limiting holes 406.
According to the position that the test tube was placed, can insert different spacing holes 406 with spacer pin 407 for it is parallel with the test tube to move liquid pole 402, improves the stability of moving liquid pole 402 when moving liquid, prevents to move liquid pole 402 skew and leads to liquid outflow test tube, avoids producing harm to operating personnel.
Further, as shown in fig. 5, the clamping mechanism 5 includes a clamping frame 501, a clamping rod 502 is disposed on the clamping frame 501 in a penetrating manner, the clamping rod 502 is radially disposed along the test tube hole 301, a spring 503 is sleeved on the clamping rod 502, the spring 503 is disposed in the clamping frame 501, one end of the spring 503 is fixed on the clamping frame 501, a limiting ring 504 is sleeved on the clamping rod 502, the limiting ring 504 is fixedly connected to the other end of the spring 503, and one end of the clamping rod 502, which faces the center of the test tube hole 301, is connected with an arc-shaped clamping block 505.
The supporting rod 502 wears to locate the clamping frame 501, can keep the supporting rod 502 to remove along the horizontal direction, when the test tube inserts fixture 5, because the test tube bottom is circular or toper, extrude grip block 505 to both ends for the supporting rod 502 produces and removes, and spacing ring 504 extrusion spring 503 warp, and spring 503 provides reverse effort to grip block 505 when the test tube is fixed, makes grip block 505 closely laminate with the test tube outer wall, prevents that the test tube from rocking, improves the centre gripping effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A pipetting device characterized by comprising:
the device comprises a bottom plate (1), wherein a plurality of pairs of supporting rods (101) are arranged on the bottom plate (1);
the lifting plate (2) is arranged above the bottom plate (1) in a lifting manner;
the limiting plate (3) is arranged above the lifting plate (2), and the limiting plate (3) is provided with a test tube hole (301);
the liquid transfer frame (4) is arranged above the limiting plate (3) and comprises a pair of cross rods (401) which are arranged in parallel, liquid transfer rods (402) are arranged on the cross rods (401), the liquid transfer rods (402) are perpendicular to the cross rods (401), a plurality of liquid transfer grooves (403) are arrayed at the edge of each liquid transfer rod (402), and the distance between every two liquid transfer grooves (403) is equal to that between every two test tube holes (301);
the clamping mechanisms (5) are arranged in a plurality of adjustable clamping intervals, and the clamping mechanisms (5) are matched with the test tube holes (301).
2. A pipette device according to claim 1, characterized in that: the bottom of the bottom plate (1) is provided with a plurality of anti-skid pads (102).
3. A pipette device according to claim 1, characterized in that: bracing piece (101) are located to lifter plate (2) cover, and lifter plate (2) edge symmetry threaded connection has screw rod (201), and screw rod (201) bottom is rotated and is connected bottom plate (1), and limiting plate (3) are worn to locate on screw rod (201) top.
4. A pipette device according to claim 3, characterized in that: the top end of the screw rod (201) is fixedly connected with a rotating block (202), the rotating block (202) is in a regular polygon shape, and an adjusting hole (203) is horizontally formed in the rotating block (202).
5. A pipette device according to claim 1, characterized in that: the bottoms of the two ends of the cross rod (401) are rotatably connected with vertical rods (404), the bottom ends of the vertical rods (404) are in threaded connection with nuts (405), and the nuts (405) are fixed on the limiting plates (3).
6. A pipette device according to claim 1, characterized in that: a plurality of limiting holes (406) are uniformly formed in the cross rod (401), limiting pins (407) are arranged at the bottoms of the two ends of the liquid moving rod (402), and the limiting pins (407) are mounted in the limiting holes (406) and fixed with the liquid moving rod (402).
7. A pipette device according to claim 1, characterized in that: fixture (5) are including holding frame (501), holding rod (502) are worn to be equipped with in holding frame (501), radial setting along test tube hole (301) is followed in holding rod (502), holding rod (502) cover is equipped with spring (503), spring (503) are located in holding frame (501), spring (503) one end is fixed in holding frame (501), the cover is equipped with spacing ring (504) on holding rod (502), spacing ring (504) fixed connection spring (503) other end, holding rod (502) are connected with curved grip block (505) towards test tube hole (301) center one end.
8. A pipette device according to claim 1, characterized in that: the top surface of the lifting plate (2) is provided with a groove (204), and the groove (204) is matched with the test tube hole (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021410857.8U CN212855837U (en) | 2020-07-17 | 2020-07-17 | Liquid transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021410857.8U CN212855837U (en) | 2020-07-17 | 2020-07-17 | Liquid transfer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212855837U true CN212855837U (en) | 2021-04-02 |
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ID=75216200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021410857.8U Active CN212855837U (en) | 2020-07-17 | 2020-07-17 | Liquid transfer device |
Country Status (1)
| Country | Link |
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| CN (1) | CN212855837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115400817A (en) * | 2022-09-09 | 2022-11-29 | 深圳鸣基医疗科技有限公司 | Test tube takes off material device and recovery system |
-
2020
- 2020-07-17 CN CN202021410857.8U patent/CN212855837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115400817A (en) * | 2022-09-09 | 2022-11-29 | 深圳鸣基医疗科技有限公司 | Test tube takes off material device and recovery system |
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