CN211785384U - Electrode support device and potentiometric titrator comprising same - Google Patents
Electrode support device and potentiometric titrator comprising same Download PDFInfo
- Publication number
- CN211785384U CN211785384U CN202020100971.4U CN202020100971U CN211785384U CN 211785384 U CN211785384 U CN 211785384U CN 202020100971 U CN202020100971 U CN 202020100971U CN 211785384 U CN211785384 U CN 211785384U
- Authority
- CN
- China
- Prior art keywords
- electrode holder
- electrode
- lifting seat
- seat
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000004448 titration Methods 0.000 description 11
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a chemical analysis technical field. The utility model relates to an electrode support device and contain its potentiometric titrator. The electrode bracket device of the utility model comprises a vertical rod and a lifting seat, wherein the lifting seat is provided with a lifting device, so that the lifting seat can be positioned on the vertical rod in an electrodeless way; a through hole is formed in the middle of the lifting seat, and the lifting seat is sleeved on the vertical rod through the through hole; and the electrode seat is connected with the lifting seat. According to the electrode support device, the lifting button is arranged on the lifting seat, and the electrode seat can freely rotate or move up and down on the vertical rod only by pressing the lifting button, so that stepless positioning is realized. In the use, can adjust the arbitrary height of electrode holder in pole setting and arbitrary angle as required, simple structure, convenient to use is swift.
Description
Technical Field
The utility model relates to a chemical analysis technical field especially relates to an electrode support device and contain its potentiometric titrator.
Background
A potentiometric titrator is an instrument that utilizes a potentiometric titration method to determine a titration endpoint by measuring a change in potential during titration. The existing electrode support can only carry out height adjustment within a certain height range, and when different test articles are touched, the limited height adjustment is limited, so that the application range of the electrode support is limited.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide an electrode holder device and a potentiometric titrator comprising the same, wherein the technical problem to be solved is to realize the stepless positioning of a lifting seat in a vertical rod, thereby being more practical.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. The foundation the utility model provides an electrode support device, it includes:
the vertical rod is arranged on the upper end of the vertical rod,
the lifting seat is provided with a lifting device, so that the lifting seat is positioned on the upright rod in an electrodeless way; a through hole is formed in the middle of the lifting seat, and the lifting seat is sleeved on the vertical rod through the through hole; and the electrode seat is connected with the lifting seat.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Preferably, in the electrode holder apparatus, the lifting seat is further provided with an inner frame, and the inner frame is arranged inside the lifting seat;
a slide way is arranged in the inner frame and is arranged in a backward inclined mode relative to the through hole.
Preferably, the electrode holder device comprises a lifting device and a lifting device, wherein the lifting device comprises a button, a movable block and a spring;
the button and the movable block are of an integrated structure, the button and the movable block are arranged at a certain angle, the direction of the button is consistent with the direction of the slideway, and the movable block can move in the slideway;
one end of the spring is arranged at the bottom of the inner frame, and the other end of the spring is arranged in the button.
Preferably, in the electrode holder apparatus, an extension arm is disposed at one end of the lifting seat, and the electrode holder is connected to the lifting seat through the extension arm; wherein,
one end of the extension arm is connected with the lifting seat through a fixing screw;
the other end of the extension arm is connected with the electrode seat through a locking nut.
Preferably, in the electrode holder apparatus, the extension arm is further provided with a rotating member for rotating the electrode holder around an axis line of the extension arm.
Preferably, in the electrode holder apparatus, the vertical rod is a hollow rod body, and an end cover is disposed at an upper end of the vertical rod to prevent the electrode holder from coming off from a top end of the vertical rod.
Preferably, the electrode holder device is provided with a first through hole for placing the electrode and a second through hole for placing the dropping liquid tube.
Preferably, in the electrode holder device, protective sleeves are further disposed at two ends of the through hole.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model provides a potentiometric titrator, it includes aforementioned arbitrary electrode holder device.
Borrow by above-mentioned technical scheme, the utility model provides an electrode support device and contain its potentiometric titrator has following advantage at least:
1. the utility model discloses an electrode bracket device sets up lifting button on the lift seat, only needs to press lifting button just can make the electrode holder free rotation in the pole setting or reciprocate, realizes electrodeless location. In the use, can adjust the arbitrary height of electrode holder in pole setting and arbitrary angle as required, simple structure, convenient to use is swift.
2. The utility model discloses an electrode bracket device not only makes the electrode holder can be in the pole setting stepless location, can also make the electrode holder can rotate wantonly in the direction of perpendicular to pole setting. The height and the angle of the electrode holder can be conveniently adjusted according to the requirement.
3. The utility model discloses a potentiometric titrator contains the electrode holder device, through according to the utility model discloses an electrode holder device can realize the electrodeless location of electrode holder and the electrodeless rotation of electrode holder, and simple structure conveniently adjusts.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 shows a schematic structural view of an electrode holder device according to the present invention;
FIG. 2 shows an exploded view of the electrode holder apparatus of FIG. 1;
fig. 3 shows a schematic structural view of the lifting seat of the present invention;
fig. 4 shows a schematic structural diagram of a potentiometric titrator comprising an electrode support device according to the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the objects of the present invention, the following detailed description will be given, in conjunction with the accompanying drawings and preferred embodiments, to the specific embodiments, structures, features and effects of the electrode holder device and the potentiometric titrator comprising the same according to the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1 to 3, an embodiment of the present invention provides an electrode holder device, which includes:
the vertical rod 1 is provided with a vertical rod,
the lifting seat 2 is provided with a lifting device 21, so that the lifting seat 2 is positioned on the vertical rod 1 in an electrodeless way; a through hole 22 is formed in the middle of the lifting seat 2, and the lifting seat 2 is sleeved on the vertical rod 1 through the through hole 22;
and the electrode seat 3 is connected with the lifting seat 2.
The utility model discloses do not restrict the concrete structure of pole setting and electrode holder, can select according to actual need. The upright post is preferably made of stainless steel. The electrode seat is made of polytetrafluoroethylene, and is not easy to oxidize and corrode.
The utility model discloses an electrode holder device is the manual electrodeless location electrode holder group of multidimension for make things convenient for the regulation of electrode holder, only need press lifting button just can make the electrode holder free rotation or reciprocate in the pole setting, realize electrodeless location.
As a preferred embodiment, as shown in fig. 3, the lifting seat 2 is further provided with an inner frame 23, and the inner frame 23 is disposed inside the lifting seat 2; a slide 231 is provided in the inner frame 23, and the slide 231 is inclined rearward with respect to the through hole 22.
As a preferred embodiment, as shown in fig. 3, the lifting device 21 includes a button 211, a movable block 212, and a spring 213;
the button 211 and the movable block 212 are of an integrated structure and are arranged at a certain angle, the direction of the button 211 is consistent with that of the slide 231, and the movable block 212 can move in the slide 231;
one end of the spring 213 is disposed at the bottom of the inner frame 23, and the other end is disposed in the button 211.
The main material of the lifting seat is preferably stainless steel, such as a movable block, a spring, an inner frame and the like. The button is preferably made of ABS resin.
In a preferred embodiment, as shown in fig. 3, a rubber pad 214 is disposed on one side of the movable block 212 and extends into the through hole 22.
The utility model discloses a rubber pad can increase the outward appearance of resistance fender rod simultaneously.
When the button 211 is pressed down, the movable block 212 moves backward under the action of the slideway 231 to drive the rubber pad 214, the lifting seat 2 can freely lift on the upright 1 at the moment, and after the button 211 is put down, the movable block 212 drives the rubber pad 214 to abut against the upright 1 and is fixed on the upright 1 at the same time under the action of the elastic force of the spring 213.
As a preferred embodiment, an extension arm 23 is arranged at one end of the lifting seat 2, and the electrode seat 3 is connected with the lifting seat 2 through the extension arm 23; wherein,
one end of the extension arm 23 is connected with the lifting seat 2 through a fixing screw 24;
the other end of the extension arm 23 is connected with the electrode holder 3 through a lock nut 25.
In a preferred embodiment, the extension arm 23 is further provided with a rotating member for rotating the electrode holder 3 around an axis line of the extension arm 23.
The utility model discloses in, the electrode holder winds the axis extension line of extension arm is rotatory 360, realizes electrodeless rotation, and in this scheme, the axial of the axis perpendicular to pole setting of extension arm. Preferably, the electrode holder rotates 180 degrees, the bottoms of the electrodes are kept on the same horizontal line, the rotating component can be arranged on the extension arm, and the electrode holder rotates by rotating the electrode holder made of polytetrafluoroethylene.
The utility model discloses an electrode bracket device not only makes the electrode holder can be in the pole setting stepless location, can also make the electrode holder can rotate wantonly in the direction of perpendicular to pole setting. The height and the angle of the electrode holder can be conveniently adjusted according to the requirement.
As a preferred embodiment, the vertical rod 1 is a hollow rod body, and an end cover 11 is disposed at the upper end of the vertical rod 1 to prevent the electrode holder 2 from coming off from the top end of the vertical rod 1.
In a preferred embodiment, the electrode holder 3 has a first through hole 31 for placing an electrode and a second through hole 32 for placing a dropping liquid tube.
Number and purpose of first through holes:
preferably, the number of the first through holes is 5, and the first through holes can be used for activation and daily maintenance of the electrodes (the electrodes need to be vertically arranged) in addition to measurement of the standard electrodes and the reference electrodes.
Number and purpose of second through holes: the device is used for storing the burette, and prevents the burette from being extruded or polluted by dust to cause blockage.
In a preferred embodiment, two ends of the through hole 22 are further provided with protective sleeves 221.
The utility model discloses in, the both ends of through-hole 22 still are equipped with protective sheath 221, when elevating gear 21 cover was located on pole setting 1, can play the effect of protection to pole setting 1, and it can be more smooth and easy to go up and down moreover. The protective sleeve 221 is preferably a rubber ring.
The utility model discloses an electrode bracket device sets up lifting button on the lift seat, only needs to press lifting button just can make the electrode holder free rotation in the pole setting or reciprocate, realizes electrodeless location. In the use, can adjust the arbitrary height of electrode holder in pole setting and arbitrary angle as required, simple structure, convenient to use is swift. The utility model discloses an electrode bracket device not only makes the electrode holder can be in the pole setting stepless location, can also make the electrode holder can rotate wantonly in the direction of perpendicular to pole setting. The height and the angle of the electrode holder can be conveniently adjusted according to the requirement.
As shown in fig. 4, one embodiment of the present invention provides a potentiometric titrator, which comprises the electrode holder assembly of the above-mentioned embodiment.
The utility model discloses an electrode holder device mainly used lays the electrode bar, installs the electrode bar on this electrode holder device back, through manual lifting button that presses, the electrodeless location of lift seat in the pole setting, the height of setting for as required and the position of angle modulation lift seat drive the electrode holder and remove, make the electrode bar arrive required position, loosen lifting button, will go up and down the seat fixed firm.
The utility model discloses a potentiometric titrator still includes except that the electrode support device in above-mentioned embodiment: potentiometric titrator body 4, potentiometric titrator body 1 front portion is the inclined plane structure of slope, structural display screen 41 that is equipped with in the inclined plane of potentiometric titrator body 4, the observation of the data that the experimenter shows on to display screen 41 has been made things convenient for, be equipped with agitator 42 in potentiometric titrator body 4's lower right corner, surface mounting has stand 1 on the agitator, install electrode holder 3 on the stand 1, the sample cup 5 that awaits measuring has been placed to agitator 42 upper surface, electrode bar 6 is installed on electrode holder 3 and is stretched into in the sample cup 5 that awaits measuring. The potentiometric titrator body 4 further comprises a titration reagent bottle 43, a titration working tube 44 and a titration control valve 45. The titration control valve 44 is connected with the titration working tube 43, the titration reagent bottle 44 and the sample cup 45 to be measured respectively through connecting tubes.
The working principle is as follows: when the potentiometric titrator is used, firstly, all components of the potentiometric titrator need to be checked, whether all the components of the potentiometric titrator are damaged or not is checked, after the check confirms that no errors exist, a sample cup to be detected is placed on a stirrer of a potentiometric titrator body, an electrode rod is placed in a first through hole of an electrode seat of an electrode support device, a lifting button is manually pressed, the lifting seat is positioned on a vertical rod in a stepless mode, the position of the lifting seat is adjusted according to the height and the angle which are required to be set, the electrode seat is driven to move, the electrode rod reaches the required position, the lifting button is loosened, and the lifting seat is fixed firmly. After the operation is finished, the titration control valve is respectively communicated with the titration working tube, the titration reagent bottle and the sample cup to be tested through the connecting tube to form a communicating structure, the dropping liquid tube is stretched into the sample cup to be tested, an experimenter conducts experiment operation through the potentiometric titrator, and after the experiment is finished, the electrode base is lifted through manually pressing the lifting button, so that the electrode rod is moved out of the sample cup to be tested.
The utility model discloses a potentiometric titrator contains the electrode holder device, through according to the utility model discloses an electrode holder device can realize the electrodeless location of electrode holder and the electrodeless rotation of electrode holder, and simple structure conveniently adjusts.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "vertical", and the like indicate the directions or positional relationships based on the methods or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In addition, in the description of the present invention, it is to be noted that the terms "connected" and "connected" are to be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. An electrode holder apparatus, comprising:
the vertical rod is arranged on the upper end of the vertical rod,
the lifting seat is provided with a lifting device, so that the lifting seat is positioned on the upright rod in an electrodeless way; a through hole is formed in the middle of the lifting seat, and the lifting seat is sleeved on the vertical rod through the through hole;
and the electrode seat is connected with the lifting seat.
2. The electrode holder apparatus of claim 1,
the lifting seat is also provided with an inner frame, and the inner frame is arranged inside the lifting seat;
a slide way is arranged in the inner frame and is arranged in a backward inclined mode relative to the through hole.
3. The electrode holder apparatus of claim 2,
the lifting device comprises a button, a movable block and a spring;
the button and the movable block are of an integrated structure, the button and the movable block are arranged at a certain angle, the direction of the button is consistent with the direction of the slideway, and the movable block can move in the slideway;
one end of the spring is arranged at the bottom of the inner frame, and the other end of the spring is arranged in the button.
4. The electrode holder apparatus of claim 3,
one side of the movable block is provided with a rubber pad and extends into the through hole.
5. The electrode holder apparatus of claim 1,
an extension arm is arranged at one end of the lifting seat, and the electrode seat is connected with the lifting seat through the extension arm; wherein,
one end of the extension arm is connected with the lifting seat through a fixing screw;
the other end of the extension arm is connected with the electrode seat through a locking nut.
6. The electrode holder apparatus of claim 5,
the extension arm is further provided with a rotating part, so that the electrode holder rotates around the axis extension line of the extension arm.
7. The electrode holder apparatus of claim 1,
the pole setting is the cavity body of rod, the upper end of pole setting is equipped with the end cover, prevents the electrode holder is followed the top of pole setting is deviate from.
8. The electrode holder apparatus of claim 1,
the electrode holder is provided with a first through hole for placing an electrode and a second through hole for placing a dropping liquid tube.
9. The electrode holder apparatus of claim 1,
protective sleeves are further arranged at two ends of the through hole.
10. A potentiometric titrator comprising an electrode holder assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100971.4U CN211785384U (en) | 2020-01-17 | 2020-01-17 | Electrode support device and potentiometric titrator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100971.4U CN211785384U (en) | 2020-01-17 | 2020-01-17 | Electrode support device and potentiometric titrator comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211785384U true CN211785384U (en) | 2020-10-27 |
Family
ID=72894702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020100971.4U Active CN211785384U (en) | 2020-01-17 | 2020-01-17 | Electrode support device and potentiometric titrator comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211785384U (en) |
-
2020
- 2020-01-17 CN CN202020100971.4U patent/CN211785384U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109738578B (en) | Gastric juice acidity detection device for digestive system department | |
| CN211785384U (en) | Electrode support device and potentiometric titrator comprising same | |
| CN213600633U (en) | Metal flaw detector based on ultrasonic detection | |
| CN111929202A (en) | Portable surface tension testing device and operation method thereof | |
| CN110220785B (en) | Gel stretching device | |
| US4688437A (en) | Electrode holder assembly | |
| CN218720289U (en) | Engineering measuring device | |
| CN212989028U (en) | Paint film drawing testing device | |
| CN212586194U (en) | Portable surface tension testing arrangement | |
| CN203758876U (en) | Liquid level tension testing device used for science popularization | |
| CN221485333U (en) | Adjusting frame of potentiometric titrator | |
| CN220696808U (en) | Fixing device for pH meter | |
| CN211954829U (en) | Quantitative sampling device for pharmaceutical analysis | |
| CN219224487U (en) | Printing ink coating viscosity testing device | |
| CN213239785U (en) | High accuracy plastic product detection device | |
| CN210146051U (en) | High-precision burette rack | |
| CN212110955U (en) | Material physical preparation sampling analysis device | |
| CN205449723U (en) | Sclerometer examination appearance | |
| CN219902082U (en) | Turbine flowmeter detection device | |
| CN218584337U (en) | Gear fatigue detection test device | |
| CN217663439U (en) | Burette support | |
| CN209400465U (en) | The agitating device of dissolved oxygen meter | |
| CN219302485U (en) | Biochemical instrument sampling mechanism | |
| CN218445006U (en) | Portable water droplet angle tester | |
| CN221100398U (en) | Assembled viscometer of cosmetics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |