CN205175956U - A salt bridge for reference electrode - Google Patents
A salt bridge for reference electrode Download PDFInfo
- Publication number
- CN205175956U CN205175956U CN201521028157.1U CN201521028157U CN205175956U CN 205175956 U CN205175956 U CN 205175956U CN 201521028157 U CN201521028157 U CN 201521028157U CN 205175956 U CN205175956 U CN 205175956U
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- CN
- China
- Prior art keywords
- contrast electrode
- salt bridge
- reference electrode
- exhaust tube
- closure
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Abstract
The utility model provides a salt bridge for reference electrode, including the body, still include air exhaust device, air exhaust device with the body is linked together, the one end of body is equipped with the electrolyte sunction inlet, the other end of body is equipped with closing member, closing member is used for placing reference electrode, reference electrode's one end card is established in closing member, reference electrode's the other end stretches into the body. The utility model discloses a salt bridge for reference electrode, only need during the use behind the good reference electrode of device the electrolyte sunction inlet of one end suck electrolytic bath solution can, reference electrode does not lead to the fact the pollution to test solution in the use, through the closing member who changes different internal diameters, and the first sealing washer of equidimension not, reference electrode that can compatible different diameters to because the main part can be used for the glass material repeatedly, the device is simple, and the test is convenient, and the cost is practiced thrift to no expendable part.
Description
Technical field
The utility model relates to a kind of salt bridge, is specifically related to a kind of salt bridge for contrast electrode.
Background technology
Almost be related in the test chemical of " current potential " all, contrast electrode is all indispensable, and contrast electrode provides one and metastablely can refer to voltage, also i.e. reference voltage.Due to the character of contrast electrode, it should not directly be exposed in tested solution in the process used, particularly the interior solution of some contrast electrode may disturb to some extent to test solution, such as be usually used in " saturated calomel electrode " in electro-chemical test in it solution be saturated Klorvess Liquid, in the use procedure of this electrode, Klorvess Liquid can penetrate in test system by the microcellular structure of its lower end of electrode (in order to ensure that the success tested must adopt this microcellular structure), and the chlorion in Klorvess Liquid is one affects great ion to electro-chemical test, usually need to adopt the mode of salt bridge to avoid interior solution in contrast electrode to the pollution of test environment.
Conventional salt bridge is glass tube or the plastic tube having U-shaped structure, the agar gel modulated through KCl etc. is equipped with in inside, it can ensure the transmission of glass tube two ends electric charge but can not cause the exchange of solution, thus ensureing the carrying out of potential test simultaneously, completely cut off and opened the possibility that test solution is subject to contrast electrode pollution.But this U-shaped structural glass pipe needs to prepare in advance, set-up procedure is complicated and loaded down with trivial details, and may due to the insufficient or not careful failure causing experiment prepared.Ready U-shaped structure salt bridge can only use once in testing and the time should not be long, and the electrolytic cell in use needing structure contrast electrode and salt bridge to share, adds the complicacy of electro-chemical test undoubtedly.
Recently, people substitute traditional U-shaped structure salt bridge with a kind of three-port structure able to drawing air, and traditional salt bridge is more in the past easy-to-use, but still need the outer electrolytic cell that structure salt bridge and contrast electrode share.
Utility model content
Therefore, the purpose of this utility model is a kind of salt bridge for contrast electrode, it can contact contrast electrode and test electrolytic cell easily, in order to electro-chemical test, this salt bridge only to need after the good contrast electrode of device bleeding point suction electrolytic solution cell at one end when using, with after get final product Reusability through rinsing, and can the contrast electrode of compatible different-diameter by replacing with end interface.
The utility model provides a kind of salt bridge for contrast electrode, comprises body, also comprises air extractor, and described air extractor is connected with described body; One end of described body is provided with electrolytic solution suction inlet, and the other end of described body is provided with closure, and described closure is for placing contrast electrode, and one end of described contrast electrode is fastened in closure, and the other end of described contrast electrode stretches into body.
On the basis of technique scheme, the utility model also can make following improvement:
As preferred scheme, described air extractor comprises exhaust tube, and described exhaust tube is provided with the switch of bleeding becoming to be rotationally connected with it, and described exhaust tube is connected with described body.
As preferred scheme, described exhaust tube is provided with connector, described in switch card of bleeding to be located in described connector and to become to be rotationally connected with it.
As preferred scheme, described in switch of bleeding be connected with described exhaust tube by multiple second O-ring seal.
As preferred scheme, described in bleed switch by rotate close or be communicated with described exhaust tube, when described bleed switch close time, the end of described exhaust tube is also provided with sealing.
As preferred scheme, one end of described exhaust tube is connected with described body, and described sealing is located at the other end of described exhaust tube.
As preferred scheme, described contrast electrode is fastened in described closure by the first O-ring seal, and described first O-ring seal is set in outside described contrast electrode.
As preferred scheme, described closure is lid, and described lid is set in the end of described body.
As preferred scheme, described closure is cup, and described cup is connected mutually with the end of described body.
As preferred scheme, described first O-ring seal is O RunddichtringO, and described O RunddichtringO is fastened in described lid or cup.
As preferred scheme, be also provided with the first web member between described electrolytic solution suction inlet and described body, described first web member is for being fastened on the container holding electrolytic solution.
As preferred scheme, be also provided with the second web member between described first web member and described body, described body is installed in described second web member.
As preferred scheme, first and second web member described is made up of acid and alkali-resistance material.
As preferred scheme, described body is made up of glass or rigid plastic.
Salt bridge for contrast electrode of the present utility model, after only needing device good contrast electrode during use, make body become vacuum by air extractor exhaust, electrolytic solution cell is sucked from electrolytic solution suction inlet, and in using, contrast electrode does not pollute test solution; And after suction electrolytic solution, this air extractor also can be in sealing state, thus makes whole reaction carry out in closed environment, will electrolytic solution be made because of gas leakage to spill, causing using inconvenience, testing inaccurate; By changing the closure of different inner diameters, and the first O-ring seal of different size, can the contrast electrode of compatible different-diameter, and can be glass material due to main body, can Reusability, only need simple flushing after using, can reuse; And simple mechanism, convenient test, this device no consumption part, adds extra cost to experiment, cost-saving.
Accompanying drawing explanation
Below, describe embodiment of the present utility model in detail by reference to the accompanying drawings, wherein:
Fig. 1 is the one-piece construction schematic diagram of the salt bridge for contrast electrode of the utility model embodiment;
Fig. 2 is the decomposition texture schematic diagram for the air extractor in the salt bridge of contrast electrode of the utility model embodiment;
Fig. 3 is the structural representation that the salt bridge for contrast electrode of the utility model embodiment removes closure;
Fig. 4 is the structural representation for the closure in the salt bridge of contrast electrode of the utility model embodiment;
Wherein:
1. body, 2. electrolytic solution suction inlet, 3. closure, 4. exhaust tube, switch of 5. bleeding, 6. the second O-ring seal, 7. sealing, 8. the first O-ring seal, 9. the first web member, 10. the second web member, 11. pads, 12. connectors.
Embodiment
Preferred implementation of the present utility model is described in detail below in conjunction with accompanying drawing.
In order to reach the purpose of this utility model, see shown in Fig. 1 to 4, the salt bridge for contrast electrode of the present utility model, comprises body 1, also comprises air extractor.
Wherein, air extractor is connected with body 1; One end of body 1 is provided with electrolytic solution suction inlet 2, and the other end of body 1 is provided with closure 3, and closure 3 is for placing contrast electrode, and one end of contrast electrode is fastened in closure 3, and the other end of contrast electrode stretches into body 1.During concrete enforcement, body 1 can be made up of glass or rigid plastic, in order to improve resistance to acids and bases, and general preferred glass.
In above-described embodiment, see Fig. 2, air extractor comprises exhaust tube 4, and exhaust tube 4 is provided with the switch 5 of bleeding becoming to be rotationally connected with it, and exhaust tube 4 is connected with body 1.Preferably, switch 5 of bleeding is connected with exhaust tube 4 with pad 11 by multiple second O-ring seal 6.During concrete enforcement, exhaust tube 4 can be made up of glass or rigid plastic, in order to improve resistance to acids and bases, and general preferred glass.Switch 5 of bleeding not only can rotate and be communicated with body 1, by bleeding body 1 is evacuated, thus electrolytic solution is sucked in body 1, rotary closing is passed through after can also sucking electrolytic solution in body 1, and make whole body 1 be in sealing state, will electrolytic solution be made because of gas leakage to spill, cause using inconvenience, test inaccurate.During concrete enforcement, exhaust tube 4 is provided with connector 12, switch 5 of bleeding is fastened on connector 12, and become to be rotationally connected with it, switch 5 of bleeding can be valve, this valve can for the fastening bolt be made up of plastic material or stainless steel, and plastic material is preferably PTFE (teflon) material, and connector 12 is suitable with the shape of fastening bolt.
In above-described embodiment, when switch 5 of bleeding cuts out, the end of exhaust tube 4 is also provided with sealing 7.During concrete enforcement, sealing 7 can be rubber sleeve or rubber plug, and when for rubber sleeve, rubber sleeve is set in the end of exhaust tube 4; When for rubber plug, rubber plug is fastened on the end of exhaust tube 4.The setting of sealing 7 can make whole salt bridge be in sealing state further, will, in test process, electrolytic solution be spilt.
In above-described embodiment, one end of exhaust tube 4 is connected with body 1, and sealing 7 is located at the other end of exhaust tube 4.
In above-described embodiment, see Fig. 3 to Fig. 4, contrast electrode is fastened in closure 3 by the first O-ring seal 8, and the first O-ring seal 8 is set in outside contrast electrode.During concrete enforcement, the first O-ring seal 8 can be O RunddichtringO, the diameter compatible cover of O RunddichtringO and contrast electrode.The setting of O-ring seal, can improve contrast electrode and be fastened on sealing effectiveness in closure 3, can ensure that O circle fastens contrast electrode, thus ensure that contrast electrode is not revealed.
In above-described embodiment, closure 3 can be lid, and lid is set in the end of body 1; Or closure 3 can be cup, cup is connected mutually with the end of body 1.During concrete enforcement, the first O-ring seal 8 can be preferably O RunddichtringO, and O RunddichtringO is fastened in lid or cup.
In above-described embodiment, be also provided with the first web member 9, first web member 9 between electrolytic solution suction inlet 2 and body 1 for being fastened on the container holding electrolytic solution.During concrete enforcement, the container for holding electrolytic solution can be organic glass electrolytic cell.During concrete enforcement, the first web member 9 can be made up of acid and alkali-resistance material, preferably can be made up of rigid plastic or stainless steel, and the first web member 9 is cubic threaded connection.
In above-described embodiment, be also provided with the second web member 10 between the first web member 9 and body 1, body 1 is installed in the second web member 10.During concrete enforcement, the second web member 10 can be made up of acid and alkali-resistance material, and be preferably made up of PTFE (teflon) material or stainless steel, be more preferably and be made up of PTFE material, the second web member 10 is six side's threaded connection.
In sum, the utility model is used for the salt bridge of contrast electrode, after only needing to install contrast electrode during use, be vented by rotating switch 5 of bleeding, make body 1 one-tenth vacuum, electrolytic solution is sucked from electrolytic solution suction inlet 2, and in using, contrast electrode does not pollute test solution; By changing the closure 3 of different inner diameters, and the first O-ring seal 8 of different size, can the contrast electrode of compatible different-diameter, and can be glass material due to main body, can Reusability, only need simple flushing after using, can reuse; And simple mechanism, convenient test, this device no consumption part, adds extra cost to experiment, cost-saving.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. for a salt bridge for contrast electrode, comprise body, it is characterized in that, also comprise air extractor, described air extractor is connected with described body; One end of described body is provided with electrolytic solution suction inlet, and the other end of described body is provided with closure, and described closure is for placing contrast electrode, and one end of described contrast electrode is fastened in closure, and the other end of described contrast electrode stretches into body.
2. the salt bridge for contrast electrode according to claim 1, is characterized in that, described air extractor comprises exhaust tube, and described exhaust tube is provided with the switch of bleeding becoming to be rotationally connected with it, and described exhaust tube is connected with described body.
3. the salt bridge for contrast electrode according to claim 2, is characterized in that, described exhaust tube is provided with connector, described in switch card of bleeding to be located in described connector and to become to be rotationally connected with it.
4. the salt bridge for contrast electrode according to claim 3, is characterized in that, described in switch of bleeding be connected with described exhaust tube by multiple second O-ring seal.
5. the salt bridge for contrast electrode according to any one of claim 2 to 4, is characterized in that, described in bleed switch by rotate close or be communicated with described exhaust tube, when described bleed switch close time, the end of described exhaust tube is also provided with sealing.
6. the salt bridge for contrast electrode according to any one of claim 1 to 4, is characterized in that, described contrast electrode is fastened in described closure by the first O-ring seal, and described first O-ring seal is set in outside described contrast electrode.
7. the salt bridge for contrast electrode according to claim 6, is characterized in that, described closure is lid, and described lid is set in the end of described body.
8. the salt bridge for contrast electrode according to claim 6, is characterized in that, described closure is cup, and described cup is connected mutually with the end of described body.
9. the salt bridge for contrast electrode according to any one of claim 1 to 4, is characterized in that, is also provided with the first web member between described electrolytic solution suction inlet and described body, and described first web member is for being fastened on the container holding electrolytic solution.
10. the salt bridge for contrast electrode according to claim 9, is characterized in that, is also provided with the second web member between described first web member and described body, and described body is installed in described second web member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521028157.1U CN205175956U (en) | 2015-12-13 | 2015-12-13 | A salt bridge for reference electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521028157.1U CN205175956U (en) | 2015-12-13 | 2015-12-13 | A salt bridge for reference electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205175956U true CN205175956U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521028157.1U Expired - Fee Related CN205175956U (en) | 2015-12-13 | 2015-12-13 | A salt bridge for reference electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205175956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807332A (en) * | 2017-10-10 | 2018-03-16 | 超威电源有限公司 | lead-acid battery electrode potential detection device and detection method |
-
2015
- 2015-12-13 CN CN201521028157.1U patent/CN205175956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807332A (en) * | 2017-10-10 | 2018-03-16 | 超威电源有限公司 | lead-acid battery electrode potential detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181213 |