CN210131638U - Liquid transfer device capable of continuously adding samples - Google Patents
Liquid transfer device capable of continuously adding samples Download PDFInfo
- Publication number
- CN210131638U CN210131638U CN201920600853.7U CN201920600853U CN210131638U CN 210131638 U CN210131638 U CN 210131638U CN 201920600853 U CN201920600853 U CN 201920600853U CN 210131638 U CN210131638 U CN 210131638U
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- Prior art keywords
- liquid
- gun body
- gun
- liquid transfer
- overflow
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- 239000007788 liquid Substances 0.000 title claims abstract description 133
- 238000012546 transfer Methods 0.000 title claims description 63
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004113 cell culture Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a liquid-transfering device of application of sample in succession, including pipetting gun body, pipette, trigger, adjustable check valve and overflow pipe, pipetting gun body one end demountable installation has the pipette, pipetting gun body other end has the reagent bottle through latch closure movable mounting, adjustable check valve is installed respectively at pipetting chamber both ends of pipetting gun body, the trigger passes through piston and spring mounting at the pipetting chamber corner of pipetting gun body, overflow pipe one end is equipped with the valve, overflow pipe one end and the overflow mouth screw thread intercommunication installation of pipetting gun body, overflow pipe other end intercommunication runs through the backward flow mouth of installing in the stock lower part of pipetting gun body, stretches out the stock lower part, lets in the reagent bottle bottleneck. The utility model discloses not only can add the liquid in succession, need not the pipette moreover and absorb the reagent repeatedly, practiced thrift application of sample time and application of sample resource greatly, reduce the possibility of polluting the laboratory bench simultaneously, improve work efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of the laboratory article, a move liquid device technique is related to, especially a move liquid device of application of sample in succession.
Background
An electric pipette, also known as an electric pipette, is a tool for quantitatively transferring liquid, and is widely applied to the fields of biology, chemistry and medicine, wherein the electric pipette is frequently used for culturing cells in a clean area safety cabinet and an ultra-clean bench. The prior electric pipettor has the following defects in the using process:
in the cell culture process, generally all be mass production, a plurality of cell culture bottle simultaneous operation are played in step mutually, add same liquid, this just leads to operating personnel to use electronic pipettor to pass in and out repeatedly between reagent bottle and cell culture bottle, should notice in this operation process can not touch any position of blake bottle when adding in toward the cell culture bottle behind the absorption reagent, otherwise can pollute reagent in the reagent bottle, both increased the loaded down with trivial details nature of experiment operation, the possibility of pollution has been increased again in the operation process, thereby influence the experimental result, influence the work progress even.
The following patent documents relevant to the present application are found by search, and specific disclosures are as follows:
1. a continuous pipettor (CN207287472U) comprises a standard pipetting handle and a standard pipetting gun head matched with the standard pipetting handle, wherein the standard pipetting handle is matched and connected with a collection container through a connecting pipe, and the collection container is matched and connected with an air suction pump through an air suction pipe; the sealing plug is arranged on the bottle mouth of the collecting container in a matching mode, the filtering plug is arranged on the air exhaust pipe, the connecting pipe is a hose, and the air exhaust pump is a roller type negative pressure air exhaust pump.
2. The continuous liquid transfer device (CN203591816U) for the liquid transfer device comprises a liquid transfer gun, one end of the liquid transfer gun is provided with a snap fastener, the other end of the liquid transfer gun is provided with a gun head interface, the continuous liquid transfer device comprises a gun head, the gun head is matched and connected with the gun head interface in a use state, a mother liquid container filled with mother liquid in a sealing state is formed on the gun head, the mother liquid container is provided with a mother liquid leading-out connecting pipe used for leading the mother liquid in a mother liquid container cavity of the mother liquid container into a gun head cavity of the gun head for leading out a gun head liquid outlet hole of the gun head, and the mother liquid leading-out connecting pipe is integrally connected with the gun head and is communicated with the gun head.
3. The utility model provides an electronic continuous pipetting gun of hand-held type (CN206951232U), the electronic continuous pipetting gun of hand-held type adopts the modularization integration, and wherein all control unit all can adopt conventional module on the market to replace, and it is convenient to maintain, the stable performance, low cost, and the multiple liquid measure of moving is adjusted to the simple switch of accessible, moves the accurate reliable of liquid measure.
Through the contrast of technical characteristics, above-mentioned patent literature of disclosing with the utility model discloses a technical structure is inequality, can not influence the creativity and the novelty of the utility model application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, a but the liquid-transfering device of continuous application of sample of simple structure, simple operation is provided, and the device not only can realize continuous application of sample, improves the application of sample efficient, need not the pipette moreover and absorbs reagent repeatedly, has practiced thrift application of sample time and application of sample resource greatly, has reduced the possibility of polluting the laboratory bench simultaneously, has improved work efficiency greatly.
The utility model provides a its technical problem take following technical scheme to realize:
a liquid transfer device capable of continuously adding samples comprises a liquid transfer gun body, a liquid transfer pipe, a trigger, an adjustable one-way valve and an overflow pipe, wherein the liquid transfer pipe is detachably mounted at one end of the liquid transfer gun body, a reagent bottle is movably mounted at the other end of the liquid transfer gun body through a ring buckle, the adjustable one-way valve is respectively mounted at two ends of a liquid transfer cavity of the liquid transfer gun body, the trigger is mounted at the corner of the liquid transfer cavity of the liquid transfer gun body through a piston and a spring, a valve is arranged at one end of the overflow pipe, one end of the overflow pipe is communicated and mounted with an overflow port of the liquid transfer gun body in a threaded manner, the other end of the overflow pipe is communicated with a backflow port which is mounted at the lower part of a gun handle of the liquid transfer gun body;
the liquid transfer gun comprises a liquid transfer gun body and is characterized in that the liquid transfer gun body comprises a gun head, a gun body, a gun handle and a liquid transfer cavity, the liquid transfer cavity is formed in the gun body, an overflow port communicated with the liquid transfer cavity is formed in the gun body at the upper end of the liquid transfer cavity, an overflow cover is movably mounted on the upper surface of the overflow port, an overflow pipe is mounted in the inner thread of the overflow port, the gun head is detachably mounted at one end of the gun body, a liquid transfer pipeline is integrally formed in the gun head and communicated with the liquid transfer cavity, the gun handle is coaxially and integrally formed at the other end of the gun body, the inner wall of the lower portion of the gun handle is provided with a ring buckle, a liquid transfer pipe is coaxially arranged in the gun handle, one end of the liquid.
The pipette is a vertically penetrating pipette.
And the inner wall of the end part of the liquid transfer pipeline of the gun head is provided with a thread, and the thread is matched with the external thread at one end of the overflow pipe.
Moreover, the gun body is a detachable two-piece splicing structure.
Further, a rubber is attached to the trigger pressing portion.
The utility model has the advantages that:
1. the utility model discloses in the experimentation, during same operating procedure, can directly use a pipette can, need not worry and touch cell culture bottle inner wall contaminated reagent and change the pipette at the liquid feeding in-process to the manufacturing cost of enterprise has been reduced. And the function of continuous sample adding can be realized by pulling the trigger, so that the experiment operator is prevented from repeatedly passing in and out between the reagent bottle and the cell culture bottle by using an electric pipettor, the pollution possibility is reduced, and the working efficiency is improved.
2. The utility model discloses the setting of overflow pipe has not only solved the invariable and the extravagant problem of reagent in exhaust process of volume of spouting when spraying for the first time, is trading liquid moreover, or when there is not tap to wash and reagent has corrosivity in the open air, can change the liquid-transfering line threaded connection of overflow pipe one end and rifle head into the clear water bottle with the reagent bottle, detain the trigger and form and wash the self-loopa, prevent that waste liquid and waste water from splashing everywhere and causing the pollution, cause the injury to the experimenter.
3. The utility model discloses a can dismantle rifle head and the rifle body to the rifle body part is two mosaic structure around, and the inside part of being convenient for is regularly changed and is sterilized, has both guaranteed the convenience of operation, the aseptic of consumptive material, has practiced thrift manufacturing cost again.
4. The utility model discloses use the simplest and simplest mechanical water pump principle to carry out the application of sample, be different from current electronic pipettor through the electric power application of sample, saved the resource greatly, moreover the utility model discloses an each part is but high temperature autoclaving material, more is applicable to the work of aseptic technique.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the self-cleaning state of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A liquid transfer device capable of continuously adding samples, which comprises a liquid transfer gun body, a liquid transfer pipe 2, a trigger 23, an adjustable one-way valve and an overflow pipe 11, the pipette body is a detachable inverted U-shaped body, one end of the pipette body is detachably provided with a pipette, the other end of the liquid-transferring gun body is movably provided with a reagent bottle 20 through a ring buckle (not marked in the figure), two ends of a liquid-transferring cavity of the liquid-transferring gun body are respectively provided with an adjustable one-way valve, the trigger is arranged at the corner of a liquid transferring cavity of the liquid transferring gun body through a piston 22 and a spring 21, one end of the overflow pipe is provided with a valve 9, the other end of the overflow pipe is communicated and penetratingly arranged in a backflow port at the lower part of a gun handle 19 of the liquid-transferring gun body, extends out of the lower part of the gun handle and extends into a bottleneck of a reagent bottle, and a trigger is buckled to realize continuous and quantitative liquid adding;
the liquid transferring gun comprises a liquid transferring gun body and is characterized in that the liquid transferring gun body comprises a gun head 1, a gun body 4, a gun handle 19 and a liquid transferring cavity 7, the gun body is of a right-angle structure, the liquid transferring cavity is formed in the gun body, the gun head is of a right-angle structure and is detachably mounted at one end of the gun body, a liquid transferring pipeline 3 is integrally formed in the gun head, the liquid transferring pipeline is mounted at one end of the gun body through the gun head and is communicated and connected with the liquid transferring cavity, the gun handle is coaxially and integrally formed at the other end of the gun body, a ring buckle is arranged on the inner wall of the lower portion of the gun handle and is plugged by a rubber plug when not in use, the rubber plug is taken out when in use, the ring buckle of a reagent bottle opening and the inner wall of the lower portion of the liquid transferring pipe are arranged in a matched and matched mode, so that a reagent bottle is, an overflow port 10 communicated with the liquid transfer cavity is formed in the gun body at the upper end of the liquid transfer cavity, an overflow cover 8 is movably mounted on the upper surface of the overflow port, an overflow pipe is mounted in the overflow port in a threaded manner, a reflux port 18 is formed in the side wall of the gun handle, and the other end of the overflow pipe penetrates through the reflux port to extend out of the gun handle and extend into the bottleneck of the reagent bottle.
The adjustable one-way valve is respectively a first adjustable one-way valve 6 and a second adjustable one-way valve 13, the first adjustable one-way valve is arranged at one end of a liquid transfer cavity of the gun body between the gun head and the trigger, the second adjustable one-way valve is arranged at the other end of the liquid transfer cavity of the gun body between the trigger and the gun handle, and the adjustable one-way valve is composed of a valve body 14, a valve core (rubber microspheres) 16, a spring 15 and an adjusting valve knob 5; the utility model discloses two adjustable check valve designs have been used, it is internal to have realized that reagent can only follow the withholding of a direction through the trigger and inhale the rifle, and from rifle head blowout, the refluence of reagent has been avoided, with the trigger, a piston, the spring and move liquid chamber and form a water pump, simultaneously when beginning to carry out the liquid feeding for the first time, in order to realize quantitative liquid feeding, reagent not extravagant, at first need do exhaust work, the first adjustable check valve who is in position between rifle head and the trigger is closed earlier, prevent the liquid outflow, the cooperation overflow pipe carries out exhaust operation.
In the specific implementation of the utility model, the pipette is the pipette that link up from top to bottom to reagent directly flows out through the pipette through liquid transfer pipe way.
The utility model discloses an in the concrete implementation, the liquid-transfering pipeline tip inner wall system of rifle head has the screw thread, the screw thread and the external screw thread looks adaptation of the overflow pipe one end that is close to first adjustable check valve position, when liquid-transfering device carries out the self-loopa and washs, have the liquid-transfering pipeline screw thread installation of external screw thread one end and rifle head with the overflow pipe system.
The utility model discloses in the implementation, in order to make when continuous liquid feeding, it is more comfortable to press the trigger, prevents that the finger from pressing fatigue, presses the department at the trigger and pastes to cover and have one deck rubber 24.
In the specific implementation of the utility model, a fixing ring 12 is arranged at the corner of the gun body for better fixing the overflow pipe during liquid feeding.
The utility model discloses a theory of operation:
the utility model adopts the simplest water pump principle, wherein the liquid moving cavity is equal to the hydraulic cylinder, the trigger plate is buckled to push the piston into the liquid moving cavity, thereby compressing the spring, when the trigger plate is loosened, the spring can push the piston out of the liquid moving cavity, and the two strokes of the piston entering and exiting the liquid moving cavity form a complete pumping cycle; the volume of the liquid transferring cavity can be contracted by the downward stroke of the piston, the reagent or air is extruded out, and the volume of the liquid transferring cavity can be enlarged by the upward stroke of the piston pushed out by the spring, and the reagent or air is sucked into the liquid transferring cavity. In the pipetting chamber, the reagent is aspirated from the reagent bottle below and then discharged through the pipette tip through the pipetting channel on the front side.
The utility model discloses an operation process:
firstly, taking out the rubber plug arranged in the handle of the liquid transfer device, fixedly connecting the lower part of the handle of the liquid transfer device with a reagent bottle needing a sample adding reagent, inserting the liquid transfer tube into the reagent bottle, inserting the liquid transfer tube which is communicated up and down at the gun head of the liquid transfer device, connecting the liquid transfer tube with a liquid transfer pipeline in the gun head, adjusting the liquid flow of a first adjustable one-way valve when liquid adding is started for the first time, preventing liquid from flowing out from the first adjustable one-way valve, forming a liquid storage cavity in the liquid transfer cavity, opening a valve at one end of the liquid transfer cavity communicated with an overflow pipe, squeezing a trigger to fill the liquid transfer cavity with the reagent, indicating that the reagent in the liquid transfer cavity is full when the reagent appears in the overflow pipe, realizing air exhaust, then closing the valve on the overflow pipe, reserving the reagent in the overflow pipe into the reagent bottle, adjusting the first adjustable valve, and ensuring that the liquid output flow, at the moment, the trigger can be pulled to carry out quantitative and continuous liquid adding, and the liquid outlet quantity of each time of subsequent liquid adding is in direct proportion to the times of pulling the trigger.
After a reagent is continuously added with liquid, when other reagents need to be added, or when no tap is used for direct washing outdoors or the reagents are corrosive, the reagent bottle is replaced by a clear water bottle 25 which can contain disinfectant water, the clear water bottle and the reagent bottle have the same shape and size, then the first adjustable valve is closed, the pipette is pulled down, one end of the overflow pipe close to the position of the first adjustable one-way valve is pulled out in a rotating way, then an overflow cover is covered, the overflow pipe is connected with the liquid transfer pipeline of the gun head in a threaded way, a trigger is pressed, the self-washing function of the liquid transfer device is realized, the pollution caused by splashing of waste liquid and waste water is prevented, the laboratory personnel is injured, after the reagent is washed for a certain time, the water is drained, then the liquid can be replaced again for adding liquid, when the tap is used in a laboratory, the gun head can be detached from the gun body when the reagent is not corrosive, and the sectional washing treatment is carried out, so that the internal pipeline components can be replaced and sterilized at regular intervals.
The utility model discloses can realize spouting the reagent as long as the trigger is pulled, pull the trigger board in succession and can realize spouting the reagent in succession, the application of sample in succession makes things convenient for the experiment operation.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (5)
1. A liquid-transfering device that can add sample in succession which characterized in that: the automatic liquid adding device comprises a liquid transferring gun body, a liquid transferring tube, a trigger, an adjustable one-way valve and an overflow tube, wherein the liquid transferring tube is detachably mounted at one end of the liquid transferring gun body, a reagent bottle is movably mounted at the other end of the liquid transferring gun body through a ring buckle, the adjustable one-way valve is respectively mounted at two ends of a liquid transferring cavity of the liquid transferring gun body, the trigger is mounted at the corner of the liquid transferring cavity of the liquid transferring gun body through a piston and a spring, a valve is arranged at one end of the overflow tube, one end of the overflow tube is in threaded communication with an overflow port of the liquid transferring gun body, the other end of the overflow tube is in communication with a backflow port which is mounted at the lower part of a gun handle of the liquid transferring;
the liquid transfer gun comprises a liquid transfer gun body and is characterized in that the liquid transfer gun body comprises a gun head, a gun body, a gun handle and a liquid transfer cavity, the liquid transfer cavity is formed in the gun body, an overflow port communicated with the liquid transfer cavity is formed in the gun body at the upper end of the liquid transfer cavity, an overflow cover is movably mounted on the upper surface of the overflow port, an overflow pipe is mounted in the inner thread of the overflow port, the gun head is detachably mounted at one end of the gun body, a liquid transfer pipeline is integrally formed in the gun head and communicated with the liquid transfer cavity, the gun handle is coaxially and integrally formed at the other end of the gun body, the inner wall of the lower portion of the gun handle is provided with a ring buckle, a liquid transfer pipe is coaxially arranged in the gun handle, one end of the liquid.
2. A pipette device capable of continuous sample application according to claim 1, characterized in that: the pipette is a vertically through pipette.
3. A pipette device capable of continuous sample application according to claim 1, characterized in that: the inner wall of the end part of the liquid transfer pipeline of the gun head is provided with a thread, and the thread is matched with the external thread at one end of the overflow pipe.
4. A pipette device capable of continuous sample application according to claim 1, characterized in that: the gun body is a detachable two-piece splicing structure.
5. A pipette device capable of continuous sample application according to claim 1, characterized in that: the trigger pressing part is coated with rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600853.7U CN210131638U (en) | 2019-04-29 | 2019-04-29 | Liquid transfer device capable of continuously adding samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600853.7U CN210131638U (en) | 2019-04-29 | 2019-04-29 | Liquid transfer device capable of continuously adding samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210131638U true CN210131638U (en) | 2020-03-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920600853.7U Expired - Fee Related CN210131638U (en) | 2019-04-29 | 2019-04-29 | Liquid transfer device capable of continuously adding samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210131638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403547A (en) * | 2020-12-17 | 2021-02-26 | 江苏省血吸虫病防治研究所 | Liquid transfer device suitable for continuous sample adding |
-
2019
- 2019-04-29 CN CN201920600853.7U patent/CN210131638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403547A (en) * | 2020-12-17 | 2021-02-26 | 江苏省血吸虫病防治研究所 | Liquid transfer device suitable for continuous sample adding |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |