CN210533994U - Automatic shaking titration device for environment monitoring - Google Patents
Automatic shaking titration device for environment monitoring Download PDFInfo
- Publication number
- CN210533994U CN210533994U CN201921125399.0U CN201921125399U CN210533994U CN 210533994 U CN210533994 U CN 210533994U CN 201921125399 U CN201921125399 U CN 201921125399U CN 210533994 U CN210533994 U CN 210533994U
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- China
- Prior art keywords
- burette
- support
- titration
- conical flask
- environmental monitoring
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- Expired - Fee Related
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- 238000004448 titration Methods 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000003321 amplification Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000012086 standard solution Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003891 environmental analysis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
An automatic shaking titration apparatus for environmental monitoring, comprising: the top surface of the operating platform is vertically provided with a pillar, the right side wall of the pillar is horizontally provided with a first support and a second support, the right end of the first support is provided with a fixed ring, and the right end of the second support is provided with a movable clamp; the conical bottle placing table is provided with a circle of teeth on the side wall at equal intervals, a circle of annular fence is arranged at the top, and a mounting rod is arranged at the bottom and rotatably penetrates through the operating table; the driving gear is meshed with the side wall of the conical flask placing table, and a rotating shaft of the driving gear is connected to an output shaft of the motor; the burette is clamped in the movable clamp, and the outlet end of the burette is vertically suspended above the conical flask placing table; the funnel is arranged on the fixed ring in a penetrating way, and the outlet end of the funnel is suspended above the burette; the amplifying plate is detachably sleeved outside the burette and covers the scale of the burette. The conical flask is automatically shaken during the titration, an operator can concentrate on observing the change of the solution and leave one hand for standby, the operation is easy, and the titration endpoint is prevented from being missed.
Description
Technical Field
The utility model relates to an environmental analysis instrument technical field, concretely relates to environmental monitoring is with automatic titration outfit that rocks.
Background
The titration analysis is an analysis method in which a standard solution with a known accurate concentration is dripped into a solution of a substance to be measured until the amount of the substance in the added solution is exactly reacted completely according to a stoichiometric relation, and then the content of the substance to be measured is calculated according to the concentration of the added standard solution and the consumed volume. Titration analysis is a common analysis method for environmental monitoring, and in order to avoid misjudging a titration end point, standard solution needs to be slowly added dropwise during titration, and the solution is fully mixed and rapidly reacted by shaking.
In the operation process, an operator has to control the burette by one hand and shake the conical flask by the other hand continuously, and meanwhile, the color change of the solution is concerned, so that the labor intensity is high and the operation is inconvenient; both hands are completely occupied, so that the titration is difficult to deal with once an emergency occurs, and the titration endpoint is easy to miss due to distraction. The standard solution must be precisely controlled, added dropwise or even half-dropwise, so that a manually controlled burette is still used. A mechanism capable of automatically shaking the conical flask can be designed, the labor intensity is reduced, and one hand is freed to deal with emergency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an environmental monitoring is with automatic titration outfit that rocks, the automatic erlenmeyer flask that rocks of titration in-process, the operator can leave a hand temporarily reserve, alleviates intensity of labour, effectively avoids missing and titrates the terminal point.
In order to solve the technical problem, the utility model discloses a following scheme:
an automatic shaking titration apparatus for environmental monitoring, comprising:
the top surface of the operating table is vertically provided with a strut, the right side wall of the strut is horizontally provided with a first support and a second support, the right end of the first support is provided with a fixed ring, and the right end of the second support is provided with a movable clamp;
the conical bottle placing table is arranged on the top surface of the operating table and is cylindrical, a circle of teeth are equidistantly arranged on the side wall, a circle of annular fence is arranged at the top, and an installation rod is arranged at the bottom and is rotatably arranged on the operating table in a penetrating manner;
the driving gear is arranged on the top surface of the operating platform and meshed with the side wall of the conical flask placing platform, and a rotating shaft of the driving gear penetrates through the operating platform and is connected to an output shaft of the motor;
the burette is clamped on the movable clamp, and the outlet end of the burette is vertically suspended above the conical flask placing table;
the funnel is arranged on the fixed ring in a penetrating way, and the outlet end of the funnel is suspended above the burette;
the amplification plate is detachably sleeved outside the burette and covers the scale of the burette.
Specifically, the amplifying plate comprises an arc-shaped vertical plate and an annular mounting sleeve vertically arranged at the top end of the arc-shaped vertical plate, the annular mounting sleeve is sleeved outside the burette and hung on the top surface of the movable clamp, and the arc-shaped vertical plate covers the scales of the burette.
Further, the transparent protective cover is detachably mounted on the conical bottle placing table, the protective cover is a round platform barrel, and the top of the protective cover is provided with a hole.
Specifically, the annular fence is provided with a groove, and the bottom end of the protective cover is clamped into the groove. The recess lateral wall of annular fence is equipped with the internal thread, the safety cover outer wall correspondence is equipped with the external screw thread.
Furthermore, the outside of the conical flask placing table and the driving gear is wrapped with a transmission sleeve.
Further, a wear-resistant rubber pad is arranged between the conical flask placing table and the operating table, and the wear-resistant rubber pad is arranged outside the mounting rod in a penetrating mode.
The utility model discloses beneficial effect who has:
1. the driving gear is adopted to drive the conical flask to place the platform, the conical flask is automatically shaken in the titration process, the manual drawing ring shaking process is simulated, an operator can concentrate on observing the change of the solution, one hand is reserved for temporary use, the labor intensity is reduced, the operation is easier, and the titration endpoint is effectively avoided being missed.
2. The funnel is additionally arranged above the burette, so that standard liquid can be conveniently filled into the burette, when the standard liquid is insufficient, the standard liquid can be replenished without taking down the burette, and the operation is convenient and rapid.
3. An amplifying plate is sleeved outside the graduations of the burette, and the graduations are amplified, so that the quick and clear reading can be realized without taking down the burette when the graduations are amplified, and the titration starting point and the titration end point are obtained.
4. In order to prevent the conical flask from toppling over in the shaking process, a transparent protective cover is covered outside the conical flask, and the opening of the conical flask extends out of the opening at the top of the protective cover, so that the observation of the color of the solution is not hindered, and the titration operation is not influenced; the safety cover is in threaded connection with the annular fence, and the disassembly and the assembly are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention (the protective cover and the transmission sleeve are not shown);
fig. 3 is an external view of the present invention;
reference numerals: 1-an operation table, 2-a driving gear, 20-a rotating shaft, 3-a conical flask placing table, 30-a mounting rod, 4-a motor, 5-a protective cover, 6-a burette, 7-a funnel, 8-an amplifying plate, 80-an annular mounting sleeve, 91-a first support, 92-a second support, 10-a support and 11-a transmission sleeve.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Examples
As shown in fig. 1 to 3, the present embodiment provides an automatic shaking titration apparatus for environmental monitoring, comprising:
the top surface of the operating table 1 is vertically provided with a support column 10, the right side wall of the support column 10 is horizontally provided with a first support 91 and a second support 92, the right end of the first support 91 is provided with a fixed ring, and the right end of the second support 92 is provided with a movable clamp;
the conical bottle placing table 3 is arranged on the top surface of the operating table 1 and is cylindrical, a circle of teeth are equidistantly arranged on the side wall, a circle of annular fence 31 is arranged at the top, an installing rod 30 is arranged at the bottom, and the installing rod 30 is rotatably arranged on the operating table 1 in a penetrating mode;
the driving gear 2 is arranged on the top surface of the operating platform 1, is meshed with the side wall of the conical flask placing platform 3, and has a rotating shaft 20 which penetrates through the operating platform 1 and is connected to an output shaft of the motor 4;
the burette 6 is clamped on the movable clamp, and the outlet end of the burette is vertically suspended above the conical flask placing table 3;
the funnel 7 is arranged on the fixed ring in a penetrating way, and the outlet end of the funnel is suspended above the burette 6;
and the amplifying plate 8 is detachably sleeved outside the burette 6 and covers the scales of the burette 6.
The specific implementation process comprises the following steps: the diameter of the annular rail 31 is equal to that of the bottom of the conical flask, and an anti-slip pad can be additionally arranged on the inner wall of the annular rail 31 to clamp the conical flask into the annular rail 31; the funnel 7 is placed on the fixed ring; the burette 6 is clamped and installed on the second bracket 92, the movable clamp adopts a universal clamp and other clamps commonly used in laboratories, the outlet end of the funnel 7 is inserted into the position above the zero scale mark of the burette 6, and standard liquid is added into the burette 6 through the funnel 7; after zero setting, the burette 6 is adjusted downwards to enable the lower end to be positioned at the conical bottle mouth; sleeving the amplification plate 8 outside the burette 6, wherein the amplification plate 8 is made of the existing plastic or glass amplifier; starting a motor 4, and driving the conical flask placing table 3 to rotate under the driving of the driving gear 2 to drive the conical flask to shake circumferentially; the burette 6 is controlled to slowly drop the standard solution, and the reading is carried out through the amplifying plate 8 at the end point of the titration. When the standard liquid is insufficient, the burette 6 is adjusted upwards to enable the funnel 7 to be inserted into the position above the zero scale mark, the standard liquid is added into the burette 6 through the funnel 7, after zero setting, the burette 6 is adjusted downwards to enable the lower end of the burette 6 to be positioned at the conical bottle mouth.
Specifically, as shown in the figure, the amplifying plate 8 comprises an arc-shaped vertical plate and an annular mounting sleeve 80 vertically arranged at the top end of the arc-shaped vertical plate, the annular mounting sleeve 80 penetrates through the outside of the burette 6 and is hung on the top surface of the movable clamp, and the arc-shaped vertical plate covers the scales of the burette 6.
Further, demountable installation has transparent safety cover 5 on the platform 3 is placed to the erlenmeyer flask, safety cover 5 is the round platform barrel, and its top is equipped with the trompil. Specifically, as shown in fig. 2, the annular rail 31 is provided with a groove, and the bottom end of the protection cover 5 is clamped into the groove. The recess lateral wall of annular fence 31 is equipped with the internal thread, the outer wall correspondence of safety cover 5 is equipped with the external screw thread. To prevent the erlenmeyer flask from toppling over during shaking, the erlenmeyer flask is covered with a protective cap 5, and the opening of the erlenmeyer flask protrudes through an opening in the top of the protective cap 5. During installation, the erlenmeyer flask is snapped into the annular rail 31 and then the boot 5 is snapped into the groove and tightened. The protective cover 5 is made of transparent plastic or glass.
Further, the outside parcel of platform 3 and driving gear 2 is placed to the erlenmeyer flask has transmission cover 11, makes the erlenmeyer flask place 3 lateral walls and driving gear 2 and remain the meshing all the time to avoid impurity to get into the tooth, increase of service life reduces the running noise.
Further, a wear-resistant rubber pad is arranged between the conical flask placing table 3 and the operating table 1, and the wear-resistant rubber pad is arranged outside the mounting rod 30 in a penetrating manner.
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 the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an automatic shaking titration apparatus for environmental monitoring, which is characterized by comprising:
the top surface of the operating table (1) is vertically provided with a support column (10), the right side wall of the support column (10) is horizontally provided with a first support (91) and a second support (92), the right end of the first support (91) is provided with a fixed ring, and the right end of the second support (92) is provided with a movable clamp;
the conical bottle placing table (3) is arranged on the top surface of the operating table (1) and is cylindrical, a circle of teeth are arranged on the side wall at equal intervals, a circle of annular fence (31) is arranged at the top, an installing rod (30) is arranged at the bottom, and the installing rod (30) is rotatably arranged on the operating table (1) in a penetrating mode;
the driving gear (2) is arranged on the top surface of the operating platform (1) and meshed with the side wall of the conical flask placing platform (3), and a rotating shaft (20) of the driving gear penetrates through the operating platform (1) and is connected to an output shaft of the motor (4);
the burette (6) is clamped on the movable clamp, and the outlet end of the burette is vertically suspended above the conical flask placing table (3);
the funnel (7) is arranged on the fixed ring in a penetrating way, and the outlet end of the funnel is suspended above the burette (6);
the amplification plate (8) is detachably sleeved outside the burette (6) and covers the scales of the burette (6).
2. The automatic shaking titration apparatus for environmental monitoring according to claim 1, wherein the amplification plate (8) comprises an arc vertical plate and an annular mounting sleeve (80) vertically arranged on the top end thereof, the annular mounting sleeve (80) is penetrated outside the burette (6) and hung on the top surface of the movable clamp, and the arc vertical plate covers the scale of the burette (6).
3. The automatic shaking titration apparatus for environmental monitoring according to claim 1, wherein a transparent protective cover (5) is detachably mounted on the conical flask placing table (3), the protective cover (5) is a circular truncated cone, and an opening is formed at the top of the circular truncated cone.
4. The automatic shaking titration device for environmental monitoring according to claim 3, wherein the ring-shaped fence (31) is provided with a groove, and the bottom end of the protection cover (5) is clamped into the groove.
5. The automatic shaking titration device for environmental monitoring according to claim 4, wherein the groove side wall of the ring-shaped fence (31) is provided with an internal thread, and the outer wall of the protective cover (5) is correspondingly provided with an external thread.
6. The automatic shaking titration device for environmental monitoring according to claim 1, wherein the erlenmeyer flask placing platform (3) and the driving gear (2) are wrapped with a transmission sleeve (11).
7. The automatic shaking titration apparatus for environmental monitoring according to claim 1, wherein a wear-resistant rubber pad is installed between the conical flask placing table (3) and the operation table (1), and the wear-resistant rubber pad is installed outside the installation rod (30) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125399.0U CN210533994U (en) | 2019-07-18 | 2019-07-18 | Automatic shaking titration device for environment monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125399.0U CN210533994U (en) | 2019-07-18 | 2019-07-18 | Automatic shaking titration device for environment monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533994U true CN210533994U (en) | 2020-05-15 |
Family
ID=70598187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921125399.0U Expired - Fee Related CN210533994U (en) | 2019-07-18 | 2019-07-18 | Automatic shaking titration device for environment monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210533994U (en) |
-
2019
- 2019-07-18 CN CN201921125399.0U patent/CN210533994U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |