CN220126246U - Quantitative liquid outlet device for standard solution - Google Patents
Quantitative liquid outlet device for standard solution Download PDFInfo
- Publication number
- CN220126246U CN220126246U CN202321404018.9U CN202321404018U CN220126246U CN 220126246 U CN220126246 U CN 220126246U CN 202321404018 U CN202321404018 U CN 202321404018U CN 220126246 U CN220126246 U CN 220126246U
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- China
- Prior art keywords
- standard solution
- mouth bottle
- lower mouth
- level sensor
- liquid outlet
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- 239000007788 liquid Substances 0.000 title claims abstract description 91
- 239000012086 standard solution Substances 0.000 title claims abstract description 54
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 8
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 30
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 206010068956 Respiratory tract inflammation Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000013566 allergen Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a solution bottle technical field especially relates to a standard solution ration goes out liquid ware, including lower mouth bottle, level sensor, controller, solenoid valve, connecting tube and buret, level sensor arranges the bottom of lower mouth bottle in, and the controller is connected with the level sensor electricity, and the solenoid valve is connected with the controller electricity, and the connecting tube is arranged in to the solenoid valve, and lower mouth bottle is connected through connecting tube with the buret. This disclosure is through the design of above-mentioned structure, and when the standard solution in the lower mouth bottle was discharged along the liquid outlet, its change that utilizes lower mouth bottle liquid level degree of depth adopted level sensor to monitor to through the break-make of controller control solenoid valve, and then replace the break-make of manual control liquid outlet, and can guarantee the precision of play liquid measure, avoided the waste of standard solution of traditional mode, and protected operating personnel's safety in utilization.
Description
Technical Field
The disclosure relates to the technical field of solution bottles, and in particular relates to a standard solution quantitative liquid outlet device.
Background
The standard solution of potassium dichromate is used for reference reagent, micro analysis and chlorine determination, and is also used for mordant, preservative, electroplating, organic synthesis, oxidation-reduction titration agent, oxidant, chromates, dichromate preparation and the like, chromium is a allergen, hexavalent chromium has irritation and corrosiveness, respiratory tract inflammation, asthma and chromium ulcers can appear after inhalation, strong irritation to skin is caused, the common specification of the existing lower mouth bottle for containing the standard solution of potassium dichromate is 20000ml, the liquid outlet of the lower mouth bottle of the standard solution of potassium dichromate is positioned at the lower position, the liquid outlet aperture of the lower mouth bottle of the standard solution of potassium dichromate is small, so that the liquid outlet has larger pressure when liquid is discharged, and when the standard solution of potassium dichromate is filled into a burette under larger pressure, most of the standard solution is manually controlled to be filled with the standard solution of potassium dichromate, even the standard solution of the excessive burette flows out of the burette, the standard solution of potassium dichromate needs to be poured back into the lower mouth of the standard solution of potassium dichromate, and the standard solution of the excessive burette is wasted, but the standard solution of potassium dichromate is not wasted by inverting the body is not required to cause the waste of the standard solution. Accordingly, the present disclosure provides a standard solution quantitative dispenser to solve the above-mentioned problems.
Disclosure of Invention
The present disclosure provides a standard solution quantitative liquid outlet device, so as to solve the technical problems that when the inventor realizes that a potassium dichromate standard solution is loaded into a burette, most of the standard solution is manually controlled to be discharged, the burette is filled with the potassium dichromate standard solution instantly, even excessive standard solution flows out of the burette, the potassium dichromate standard solution with a plurality of burette specifications needs to be poured back into a lower mouth bottle for containing the potassium dichromate standard solution again, labor force is wasted, and the potassium dichromate standard solution flowing out of the burette needs to be inverted into a waste liquid barrel, so that a large amount of potassium dichromate standard solution is wasted, and the body of an operator is damaged to some extent.
The utility model provides a standard solution ration goes out liquid ware, including lower mouth bottle, level sensor, controller, solenoid valve, connecting line and buret, level sensor is used for monitoring standard solution's in the lower mouth bottle pressure value, level sensor arranges in the bottom of lower mouth bottle, the controller with level sensor electricity is connected, the solenoid valve with the controller electricity is connected, the solenoid valve is arranged in on the connecting line, lower mouth bottle with the buret passes through connecting line is connected.
In any of the above technical solutions, further, a mounting piece for mounting the liquid level sensor is provided at the bottom end of the lower mouth bottle, and the mounting piece and the bottom end of the lower mouth bottle are arranged in a step shape.
In any of the above solutions, further, at least part of the connecting pipeline is a corrugated pipe or a plastic hose.
In any of the above technical solutions, further, the connecting pipeline has a head end and a tail end opposite to each other, the head end of the connecting pipeline is sleeved on the liquid outlet of the lower port bottle, and the tail end of the connecting pipeline is inserted in the liquid inlet of the burette.
In any of the above technical solutions, further, the locking member is mounted at the head end of the connecting pipeline, the locking member includes a hoop, a buckle plate and a fastening bolt, the hoop is of a C-shaped structure with a notch, the number of the buckle plates is two, the two buckle plates are mounted at the upper end and the lower end of the notch of the hoop respectively, and the fastening bolt penetrates through the two buckle plates.
In any of the above technical solutions, further, the hoop and the buckle are made of stainless steel.
In any of the above technical solutions, further, a rubber ring is installed inside the hoop.
In any of the above technical solutions, further, a flow ball is disposed in the liquid outlet of the lower port bottle.
The beneficial effects of the present disclosure mainly lie in:
1. this disclosure is through the design of lower mouth bottle, level sensor, a controller, the solenoid valve, connecting line, buret, when the standard solution in the lower mouth bottle is discharged along the liquid outlet, it utilizes the change of lower mouth bottle liquid level degree of depth, adopt level sensor to monitor, and through the break-make of controller control solenoid valve, and then replace the break-make of manual control liquid outlet, and can guarantee the precision of play liquid measure, avoided the waste of the standard solution of traditional mode, and then improve operating personnel's security, avoid the harm that standard solution produced to itself.
2. According to the connecting pipe, at least part of the connecting pipe is arranged to be the corrugated pipe or the plastic hose, and the flexibility of the connecting pipe is utilized, so that the head end of the connecting pipe is conveniently inserted into the burette, namely, the part of the connecting pipe is made to have plasticity, and the use of operators is facilitated.
3. The utility model discloses a liquid outlet of lower mouth bottle is located to the head end cover of connecting line, two kinds of connected modes of inlet of buret are located to the tail end of connecting line is inserted to the tail end to guarantee when packing into the buret with the standard solution in the lower mouth bottle, no liquid flows along connecting line's tip, and then avoids the waste of standard solution.
4. According to the design of the locking piece, the buckle plates at the upper end and the lower end of the notch of the hoop are moved in opposite directions through the fastening bolt, so that the hoop has a fastening function on the head end of the connecting pipeline, further the further fastening effect on the head end of the connecting pipeline and the liquid outlet of the lower mouth bottle is achieved, the phenomenon that the flow is overlarge when the lower mouth bottle is discharged is avoided, the head end of the connecting pipeline slips off the liquid outlet of the lower mouth bottle, and further the waste of standard solution is avoided.
5. The design of this disclosure through the rubber circle prevents that the hoop from causing the damage to the liquid outlet of connecting line and lower mouth bottle.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required in the detailed description or the prior art will be briefly described, it will be apparent that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic plan view of the overall structure of an embodiment of the present disclosure;
FIG. 2 is a schematic cross-sectional view of the overall structure of an embodiment of the present disclosure;
FIG. 3 is a schematic plan view of a retaining member according to an embodiment of the present disclosure;
FIG. 4 is an enlarged schematic view of FIG. 2A according to an embodiment of the present disclosure;
fig. 5 is an enlarged schematic view of B of fig. 2 in accordance with an embodiment of the present disclosure.
Icon:
1-a lower mouth bottle; 2-a liquid level sensor; 4-an electromagnetic valve; 5-connecting pipelines; 6-burette; 7-mounting; 8-locking piece; 9-hoops; 10-buckle plates; 11-fastening bolts; 12-rubber ring.
Detailed Description
The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present disclosure.
Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
In the description of the present disclosure, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.
Referring to fig. 1, 2, 3, 4 and 5, in one or more embodiments, the disclosure provides a standard solution quantitative liquid outlet device, which comprises a lower mouth bottle 1, a liquid level sensor 2, a controller, a solenoid valve 4, a connecting pipeline 5 and a burette 6, wherein the liquid level sensor 2 is used for monitoring a pressure value of the standard solution in the lower mouth bottle 1, the liquid level sensor 2 is arranged at the bottom end of the lower mouth bottle 1, the controller is electrically connected with the liquid level sensor 2, the solenoid valve 4 is electrically connected with the controller, the solenoid valve 4 is arranged on the connecting pipeline 5, and the lower mouth bottle 1 is connected with the burette 6 through the connecting pipeline 5. Specifically, the liquid level sensor 2 is arranged at the bottom of the lower mouth bottle 1, the standard solution in the lower mouth bottle 1 acts on the liquid level sensor 2, the liquid level sensor 2 adopts a static pressure type liquid level sensor, the transmitter works by utilizing the measurement principle of hydrostatic pressure, the transmitter generally adopts a silicon pressure measuring sensor to measure pressure and convert the pressure into an electric signal, the electric signal is amplified by an amplifying circuit and compensated by a compensating circuit, and finally the electric signal is output in a current mode, and the static pressure measuring principle is as follows: when the liquid level transmitter (i.e. the liquid level sensor 2 of the present disclosure) is put into the measured liquid to a certain depth, the pressure formula received by the sensor against the liquid level is:
P＝ρ·g·h+P 0
wherein P is the pressure exerted by the transmitter against the liquid surface; ρ is the measured liquid density; g is the local gravitational acceleration; h is the depth of the liquid input into the transmitter; po is the above-liquid-level atmospheric pressure.
Meanwhile, the pressure of the liquid is introduced into the positive pressure cavity of the sensor through the air guide stainless steel, and then the atmospheric pressure Po on the page is connected with the negative pressure cavity of the sensor so as to offset the Po on the back of the sensor, and obviously, the liquid level depth can be obtained through measuring the pressure P, and then when the liquid level depth is changed, the controller controls the on-off of the electromagnetic valve 4 so as to realize the functions of automatic water outlet and water stopping of the electromagnetic valve 4. In the specific implementation process, the liquid level sensor 2 can be set according to the capacity of the burette 6, for example, when the capacity of the burette 6 is 50ml, the liquid level depth after the liquid is discharged through the lower mouth bottle 1 is changed, so that the hydrostatic pressure of the liquid level sensor 2 is changed, when the set depth is reached, the liquid level sensor 2 sends a signal to the controller, and the controller controls the electromagnetic valve 4 to stop liquid discharge, so that the liquid discharge amount has accuracy. In the specific implementation, the specific monitoring method of the liquid level sensor 2 and the conventional setting operation of the liquid level sensor 2, the controller and the solenoid valve 4 are known to those skilled in the art by conventional means, and the disclosure is not described in detail herein.
This disclosure is through the design of lower mouth bottle 1, liquid level sensor 2, a controller, solenoid valve 4, connecting line 5, buret 6, when the standard solution in the lower mouth bottle 1 is discharged along the liquid outlet (in the figure, with C representing the liquid outlet), its change that utilizes 1 liquid level degree of depth of lower mouth bottle adopts liquid level sensor 2 to monitor, and through the break-make of controller control solenoid valve 4, and then replace the break-make of manual control liquid outlet, and can guarantee the precision of play liquid measure, avoided the waste of the standard solution of traditional mode, and then improve operating personnel's security, avoid the harm that the standard solution produced to itself.
In the above embodiment, the bottom end of the lower mouth bottle 1 is provided with the mounting member 7 for mounting the liquid level sensor 2, and the mounting member 7 is arranged in a stepped manner with the bottom end of the lower mouth bottle 1.
In the above embodiment, at least part of the connecting pipeline 5 is a corrugated pipe or a plastic hose, which is shown as a corrugated pipe, and the design of the flexible pipe pipeline in which at least part of the connecting pipeline 5 is a corrugated pipe or a plastic hose is utilized, so as to facilitate the insertion of the head end of the connecting pipeline 5 into the burette 6, i.e. the part of the connecting pipeline 5 is made plastic, so as to facilitate the use of operators.
In the above embodiment, the connecting pipe 5 has opposite head and tail ends, the head end of the connecting pipe 5 is sleeved on the liquid outlet of the lower mouth bottle 1, the tail end of the connecting pipe 5 is inserted in the liquid inlet of the burette 6, the head end of the connecting pipe 5 is provided with the locking member 8, the locking member 8 comprises a hoop 9, buckle plates 10 and fastening bolts 11, the hoop 9 is of a C-shaped structure with a notch, the number of buckle plates 10 is two, the two buckle plates 10 are respectively arranged at the upper end and the lower end of the notch of the hoop 9, and the fastening bolts 11 are arranged on the two buckle plates 10 in a penetrating manner; the hoop 9 and the pinch plate 10 are made of stainless steel; a rubber ring 12 is arranged on the inner side of the hoop 9. Specifically, the liquid outlet of lower oral flask 1 is located to the head end cover of connecting line 5 to prevent to flow along the head end of connecting line 5 when lower oral flask 1 goes out liquid, the tail end of connecting line 5 inserts the inlet to buret 6, in order to prevent to flow along the tail end of connecting line 5 when lower oral flask 1 goes out liquid. When the head end of the connecting pipeline 5 is sleeved at the liquid outlet of the lower mouth bottle 1, the hoop 9 is sleeved at the head end of the connecting pipeline 5 (the position where the head end of the connecting pipeline 5 coincides with the liquid outlet), and the pinch plates 10 at the upper end and the lower end of the notch of the hoop 9 are moved in opposite directions through the fastening bolts 11, so that the hoop 9 has a fastening function on the head end of the connecting pipeline 5, and further fastening effect on the head end of the connecting pipeline 5 and the liquid outlet of the lower mouth bottle 1 is realized; meanwhile, the design of the rubber ring 12 prevents the hoops 9 from damaging the connecting pipeline 5 and the liquid outlet of the lower mouth bottle 1.
The utility model discloses an adopt the first end cover of connecting line 5 to locate the liquid outlet of lower mouth bottle 1, two kinds of connected modes of the inlet of buret 6 are inserted to the tail end of connecting line 5 to guarantee when packing into buret 6 with the standard solution in the lower mouth bottle 1, no liquid flows along the tip of connecting line 5, and then avoid the waste of standard solution.
This disclosure is through the design of retaining member 8, through the buckle 10 of fastening bolt 11 with the upper and lower both ends in hoop 9 breach department in opposite directions to make hoop 9 have fastening function to connecting line 5's head end, and then realize the further fastening effect to connecting line 5's head end and the liquid outlet of lower mouth bottle 1, when the liquid is gone out in order to avoid lower mouth bottle 1, the flow is too big and make connecting line 5's head end slippage lower mouth bottle 1's liquid outlet, and then avoided the waste of standard solution.
In the above embodiment, the flow ball is disposed in the liquid outlet of the lower port bottle 1, and can roll in the liquid outlet, and the flow ball is made of aluminum, so that the flow ball has light weight and is beneficial to triggering movement of the flow ball.
It should be noted that, specific model specifications of the liquid level sensor 2, the controller, and the electromagnetic valve 4 need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the field, so detailed descriptions are omitted.
The power supply of the level sensor 2, the controller, the solenoid valve 4 and the principle thereof will be clear to a person skilled in the art and will not be described in detail here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.
Claims (8)
1. The utility model provides a standard solution ration goes out liquid ware, its characterized in that includes lower mouth bottle, level sensor, controller, solenoid valve, connecting line and buret, level sensor is used for monitoring standard solution's in the lower mouth bottle pressure value, level sensor arranges in the bottom of lower mouth bottle, the controller with level sensor electricity is connected, the solenoid valve with the controller electricity is connected, the solenoid valve is arranged in on the connecting line, lower mouth bottle with the buret is connected through connecting line.
2. The standard solution quantitative liquid outlet device according to claim 1, wherein a mounting piece for mounting the liquid level sensor is arranged at the bottom end of the lower mouth bottle, and the mounting piece and the bottom end of the lower mouth bottle are arranged in a step shape.
3. The standard solution quantitative dispenser according to claim 2, wherein at least part of the connecting pipeline is a corrugated pipe or a plastic hose.
4. The device of claim 3, wherein the connecting pipe has a head end and a tail end opposite to each other, the head end of the connecting pipe is sleeved on the liquid outlet of the lower port bottle, and the tail end of the connecting pipe is inserted in the liquid inlet of the burette.
5. The standard solution quantitative liquid outlet device according to claim 4, wherein a locking piece is installed at the head end of the connecting pipeline, the locking piece comprises a hoop, two buckle plates and fastening bolts, the hoop is of a C-shaped structure with notches, the number of the buckle plates is two, the two buckle plates are respectively installed at the upper end and the lower end of the notch of the hoop, and the fastening bolts penetrate through the two buckle plates.
6. The device for quantitatively discharging a standard solution according to claim 5, wherein the hoop and the buckle are made of stainless steel.
7. The quantitative standard solution outlet device according to claim 6, wherein a rubber ring is arranged on the inner side of the hoop.
8. The standard solution quantitative liquid outlet device according to claim 7, wherein a flow ball is arranged in the liquid outlet of the lower port bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321404018.9U CN220126246U (en) | 2023-06-01 | 2023-06-01 | Quantitative liquid outlet device for standard solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321404018.9U CN220126246U (en) | 2023-06-01 | 2023-06-01 | Quantitative liquid outlet device for standard solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220126246U true CN220126246U (en) | 2023-12-05 |
Family
ID=88964365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321404018.9U Active CN220126246U (en) | 2023-06-01 | 2023-06-01 | Quantitative liquid outlet device for standard solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220126246U (en) |
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2023
- 2023-06-01 CN CN202321404018.9U patent/CN220126246U/en active Active
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