CN220091443U - Liquid ware is got to quantifiable - Google Patents
Liquid ware is got to quantifiable Download PDFInfo
- Publication number
- CN220091443U CN220091443U CN202321575728.8U CN202321575728U CN220091443U CN 220091443 U CN220091443 U CN 220091443U CN 202321575728 U CN202321575728 U CN 202321575728U CN 220091443 U CN220091443 U CN 220091443U
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- liquid
- trigger
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- metering
- taking cylinder
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- 239000007788 liquid Substances 0.000 title claims abstract description 129
- 239000003814 drug Substances 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract 2
- 238000005507 spraying Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The utility model discloses a metering liquid taking device, which relates to the technical field of experimental articles, and comprises a threaded connecting sleeve, a grab handle, a liquid taking cylinder and a metering screw, wherein the threaded connecting sleeve is used for connecting a liquid medicine bottle for containing culture liquid; the grab handle is connected with the thread connecting sleeve, and a cavity is arranged in the grab handle; the liquid taking cylinder is positioned in the cavity, the liquid taking cylinder is provided with a one-way liquid outlet and a one-way liquid inlet, the one-way liquid outlet extends out of the cavity, the one-way liquid inlet is provided with a liquid guiding pipe extending to the liquid medicine bottle, a push-pull piece is movably arranged in the liquid taking cylinder, the push-pull piece is connected with a trigger, and the trigger extends downwards out of the cavity; the metering screw rod set up in the bottom of grab handle, just the metering screw rod can adjust from beginning to end, the metering screw rod is located the rear of trigger, just be provided with the scale mark ring on the metering screw rod. The utility model can quantitatively take liquid according to the requirement, and can continuously absorb liquid and spray liquid only by pulling the trigger each time, thereby being quite convenient and greatly improving the filling efficiency of the culture liquid.
Description
Technical Field
The utility model relates to the technical field of experimental articles, in particular to a liquid metering device.
Background
In the cell culture process, a plurality of experimental groups and control groups are generally prepared for culture, so that the comparison and reference of experimental data are convenient, and a liquid-transferring gun is generally used for sucking culture solution and filling the culture solution into culture bottles during culture, but the repeated use of the liquid-transferring gun for sucking and filling the culture solution into each culture bottle is very troublesome because of the plurality of experimental groups and control groups of cells.
Disclosure of Invention
The utility model mainly aims to provide a liquid metering device which aims to solve the technical problems in the prior art.
The technical scheme adopted by the utility model is as follows:
a quantifiable liquid dispenser comprising:
the thread connecting sleeve is used for connecting a liquid medicine bottle for containing culture solution;
the grab handle is connected to the thread connecting sleeve, and a cavity is formed in the grab handle;
the liquid taking cylinder is positioned in the cavity, the liquid taking cylinder is provided with a one-way liquid outlet and a one-way liquid inlet, the one-way liquid outlet extends out of the cavity, the one-way liquid inlet is provided with a liquid guiding pipe extending to the liquid medicine bottle, a push-pull piece is movably arranged in the liquid taking cylinder, the push-pull piece is connected with a trigger, and the trigger extends downwards out of the cavity;
the metering screw rod is arranged at the bottom of the grab handle and can be adjusted back and forth, the metering screw rod is positioned at the rear of the trigger, and a scale mark ring is arranged on the metering screw rod.
Further, the push-pull member comprises a piston arranged in the liquid taking cylinder and a piston rod connected with the piston, and the trigger is fixedly connected to the tail end of the piston rod.
Further, a reset spring is arranged between the trigger and the liquid taking cylinder, and the reset spring is sleeved on the piston rod.
Further, the one-way liquid outlet is provided with a first one-way valve which enables liquid to flow out from the liquid taking cylinder in one way.
Further, the one-way liquid inlet is provided with a second one-way valve which enables liquid to flow from the liquid guiding pipe to the liquid taking cylinder.
Further, a liquid spraying pipe is arranged at the unidirectional liquid outlet.
Compared with the prior art, the utility model has the beneficial effects that:
according to the liquid metering device provided by the embodiment of the utility model, the liquid metering tube is arranged in the grab handle connected with the screw thread connecting sleeve and used for extracting culture liquid from the liquid medicine bottle, the metering screw is arranged on the grab handle, and the front and back positions of the metering screw are adjusted, so that the volume of the liquid metering tube is changed by the position of the trigger when the trigger moves backwards to be propped against the metering screw at different positions, the liquid metering is realized according to the requirement, liquid suction and liquid spraying can be continuously carried out each time only by pulling the trigger, the liquid metering device is quite convenient, the filling efficiency of the culture liquid is greatly improved, and the liquid metering device is practical and convenient.
Drawings
FIG. 1 is a schematic perspective view of a liquid measuring device according to an embodiment of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
The reference numerals in the drawings indicate:
the device comprises a 1-threaded connecting sleeve, a 2-grab handle, a 3-liquid taking cylinder, a 4-piston, a 5-piston rod, a 6-trigger, a 7-metering screw, an 8-liquid medicine bottle, a 9-one-way liquid outlet, a 10-one-way liquid inlet, a 11-first one-way valve, a 12-second one-way valve, a 13-liquid guiding pipe, a 14-wing plate, a 15-avoidance groove, a 16-liquid spraying pipe and a 17-reset spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 and 2, an embodiment of the present utility model provides a metered dose meter, comprising a threaded connection sleeve 1, a grip 2, a take-off cylinder 3, a push-pull member, a trigger 6 and a metering screw 7. Wherein, thread connection cover 1 one end is uncovered design, and the other end seals the design, establishes the screw thread in the uncovered one end for connect the threaded liquid medicine bottle 8 of splendid attire culture solution, seal one end and be provided with the screw hole in the middle, grab handle 2 is right angle circular arc structure, grab handle 2 one end is connected in the screw hole of thread connection cover 1 closed section. In this embodiment, the screw thread connecting sleeve 1 has different models, is convenient for be connected with different liquid medicine bottles 8, and the grab handle 2 passes through screw thread cooperation with the screw thread connecting sleeve 1, makes things convenient for according to the different models of liquid medicine bottles 8 to change different screw thread connecting sleeves 1.
Referring to fig. 1 and 2, a cavity is arranged in the handle 2, the liquid taking cylinder 3 is fixed in the cavity, the liquid taking cylinder 3 is provided with a one-way liquid outlet 9 and a one-way liquid inlet 10, the one-way liquid outlet 9 extends out of the cavity, a first one-way valve 11 is arranged at the one-way liquid outlet 9, liquid flows out of the liquid taking cylinder 3 in a one-way through the first one-way valve 11, and the first one-way valve 11 is connected with a liquid spraying pipe 16. The unidirectional liquid inlet 10 is arranged at one end close to the unidirectional liquid outlet 9, the unidirectional liquid outlet 9 is provided with a liquid guiding pipe 13 extending to the liquid medicine bottle 8, and meanwhile, the liquid outlet is provided with a second unidirectional valve 12, and the second unidirectional valve 12 enables liquid to flow from the liquid guiding pipe 13 to the liquid taking cylinder 3.
Meanwhile, referring to fig. 1 and 2, a push-pull member is movably arranged in the liquid taking barrel 3, the push-pull member comprises a piston 4 arranged in the liquid taking barrel 3 and a piston rod 5 connected with the piston 4, the piston rod 5 extends outwards to form the liquid taking barrel 3, a trigger 6 is integrally formed at the tail end of the piston rod 5, the trigger 6 extends outwards to form a cavity, meanwhile, an avoidance groove 15 is formed in the bottom of the grab handle 2 along the length direction of the grab handle 2, the trigger 6 extends out of the avoidance groove 15 and can extend to move forwards and backwards, so that the piston rod 5 is driven to move together with the piston 4 through the forward and backward movement of the trigger 6, and the liquid storage space in the liquid taking barrel 3 is changed. In addition, a reset spring 17 is arranged between the trigger 6 and the liquid taking barrel 3, the reset spring 17 is sleeved on the piston rod 5, and the reset spring 17 can enable the piston rod 5 to drive the piston 4 to reset to one end of the unidirectional liquid outlet 9 of the liquid taking barrel 3.
Of course, in order to accurately measure the usage amount of the culture solution extracted every time, referring to fig. 2, a wing plate 14 is integrally formed at the bottom of the handle 2, the wing plate 14 is provided with an adjusting screw hole, the adjusting screw hole is internally connected with a measuring screw rod 7 in a threaded manner, the measuring screw rod 7 is positioned at the rear of the trigger 6, the position of the measuring screw rod 7 away from the trigger 6 can be adjusted back and forth through rotation, a scale mark ring is arranged on the measuring screw rod 7, the scale mark ring is arranged at equal intervals along the axial direction of the measuring screw rod 7 in a circle, and the interval between two adjacent scale mark rings is 0.1ml.
From the above, it can be seen that the application method and working principle of the metering liquid dispenser provided by the embodiment of the utility model are as follows:
firstly, the thread connecting sleeve 1 is in threaded connection with the liquid medicine bottle 8, then the metering screw 7 is rotated to correspond to a scale mark ring (such as 0.2 ml) according to the required culture solution dosage, then the trigger 6 is pulled backwards, the piston rod 5 drives the piston 4 to move backwards, the culture solution is sucked into the liquid taking cylinder 3, the liquid taking amount in the liquid taking cylinder 3 is 0.2ml along with the trigger 6 pulled backwards until the liquid taking cylinder abuts against the metering screw 7, then the trigger 6 is released, and the reset spring 17 is used for filling 0.2ml of culture solution into the culture bottle through the unidirectional liquid outlet 9 and the liquid spraying pipe 16.
In summary, according to the liquid measuring device provided by the embodiment of the utility model, the measuring screw 7 is adjusted to correspond to the scale mark ring each time, and then the trigger 6 is pulled to fill the culture liquid, so that the liquid measuring device is very convenient.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A metered liquid dispenser, comprising:
the device comprises a thread connecting sleeve (1), wherein the thread connecting sleeve (1) is used for connecting a liquid medicine bottle (8) for containing culture solution;
the grab handle (2), the grab handle (2) is connected to the thread connecting sleeve (1), and a cavity is arranged in the grab handle (2);
the liquid taking cylinder (3), the liquid taking cylinder (3) is positioned in the cavity, the liquid taking cylinder (3) is provided with a one-way liquid outlet (9) and a one-way liquid inlet (10), the one-way liquid outlet (9) extends out of the cavity, the one-way liquid inlet (10) is provided with a liquid guiding pipe (13) extending to the liquid medicine bottle (8), a push-pull piece is movably arranged in the liquid taking cylinder (3), the push-pull piece is connected with a trigger (6), and the trigger (6) extends out of the cavity downwards;
metering screw (7), metering screw (7) set up in the bottom of grab handle (2), just metering screw (7) can adjust from beginning to end, metering screw (7) are located the rear of trigger (6), just be provided with scale mark ring on metering screw (7).
2. The metering liquid dispenser as claimed in claim 1, wherein the push-pull member comprises a piston (4) arranged in the liquid taking cylinder (3) and a piston rod (5) connected with the piston (4), and the trigger (6) is fixedly connected with the tail end of the piston rod (5).
3. The metering liquid taking device according to claim 2, characterized in that a return spring (17) is arranged between the trigger (6) and the liquid taking cylinder (3), and the return spring (17) is sleeved on the piston rod (5).
4. The metering liquid dispenser according to claim 1, characterized in that the one-way liquid outlet (9) is provided with a first one-way valve (11) for letting out liquid from the liquid take-out cartridge (3) in one way.
5. The metering liquid dispenser according to claim 1, characterized in that the one-way liquid inlet (10) is provided with a second one-way valve (12) for letting liquid flow from a liquid guiding tube (13) to the liquid taking cylinder (3).
6. The metering liquid dispenser according to claim 1, characterized in that a liquid spray tube (16) is arranged at the unidirectional liquid outlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321575728.8U CN220091443U (en) | 2023-06-20 | 2023-06-20 | Liquid ware is got to quantifiable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321575728.8U CN220091443U (en) | 2023-06-20 | 2023-06-20 | Liquid ware is got to quantifiable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220091443U true CN220091443U (en) | 2023-11-28 |
Family
ID=88848024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321575728.8U Active CN220091443U (en) | 2023-06-20 | 2023-06-20 | Liquid ware is got to quantifiable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220091443U (en) |
-
2023
- 2023-06-20 CN CN202321575728.8U patent/CN220091443U/en active Active
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