CN210294200U - Adjustable titration frame for test - Google Patents
Adjustable titration frame for test Download PDFInfo
- Publication number
- CN210294200U CN210294200U CN201920333525.5U CN201920333525U CN210294200U CN 210294200 U CN210294200 U CN 210294200U CN 201920333525 U CN201920333525 U CN 201920333525U CN 210294200 U CN210294200 U CN 210294200U
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- CN
- China
- Prior art keywords
- clamping piece
- testing according
- drip stand
- clamp
- movable rod
- 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.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000004448 titration Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000002479 acid--base titration Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides an adjustable titration frame is used in test, relates to test technical field, including the frame, is equipped with fixed case on the frame, is equipped with elevating gear in the fixed case, and elevating gear is connected with the carriage release lever, and the carriage release lever is located fixed case outside, is equipped with anchor clamps on the carriage release lever, and the carriage release lever is connected with the uide bushing and both are sliding connection, and the uide bushing is established on the connecting piece, is equipped with the sleeve pipe on the connecting piece, and the sleeve pipe is located same vertical line with anchor. The device drives the movable rod to lift through the lifting device, so that the acid-base burette is driven to lift through the movable rod to adjust the height of the acid-base burette, the adjustment precision is higher, the operation is more convenient, and the clamp is prevented from being clamped and fixed for multiple times. In addition, the acid-base burette is kept vertical all the time in the lifting process, titration data can be conveniently and rapidly read before and after titration, the error of a test result is reduced, and the test precision is improved.
Description
The technical field is as follows:
the utility model relates to a test technical field, concretely relates to test is with adjustable titration frame.
Background art:
the general laboratory titration analysis adopts an artificial titration method, which indicates a titration endpoint according to the color change of an indicator, then visually measures the consumption volume of a standard solution and calculates an analysis result. In a titration test, articles such as a titration frame, an acid-base burette, a glass rod, a beaker, a triangular flask and the like are needed, the titration frame is used for fixing the acid-base burette, a burette clamp is fixed on the existing titration frame, the acid-base burette is fixed through the burette clamp, the beaker or the triangular flask can be used during the acid-base titration, if the agitation is carried out in the beaker, the glass rod is needed to be used, if the agitation is carried out in the triangular flask, the triangular flask is needed to be shaken, because the heights of the triangular flask and the beaker are different and the test conditions are different, the height of the acid-base burette needs to be moved during the acid-base titration, the K-type burette clamp is generally used in the prior art for clamping the burette, the K-type burette clamp can not ensure that the burette keeps a vertical state, the burette needs to be taken down when the titration data is read in the test, the burette is held by hand to enable the burette to, therefore, the reading error is large, the test result is inaccurate, at the moment, the position of the bottom end pipe orifice is difficult to control during clamping because the burette is long, the lower end of the burette penetrates into the bottle mouth/cup mouth too deeply or too shallowly, the height after clamping is not adjustable, the burette can only be adjusted by repeatedly clamping, the operation is troublesome, a large amount of test time is wasted, the height is difficult to control accurately, and the whole titration test error is large, and the operation is troublesome.
The utility model has the following contents:
the utility model aims at overcoming the defects existing in the prior art and providing an adjustable titration frame for testing.
The utility model adopts the technical proposal that: the utility model provides an adjustable titration frame is used in test, includes the frame, is equipped with the fixed case on the frame, is equipped with elevating gear in the fixed case, and elevating gear is connected with the carriage release lever, and the carriage release lever is located the fixed case outside, is equipped with anchor clamps on the carriage release lever, and the carriage release lever is connected with the uide bushing and both are sliding connection, and the uide bushing is established on the connecting piece, is equipped with the sleeve pipe on the connecting piece, the sleeve pipe is located same vertical line with anchor clamps, elevating gear include power unit, movable block, lead screw and sliding opening, the fixed case on be equipped with sliding opening, be equipped with power unit on the fixed case, power unit is connected with the one end of lead screw, the other end of lead screw is fixed in the fixed case.
The connecting piece is Y-shaped.
One end of the Y-shaped connecting piece is connected with the fixed box, the other end of the Y-shaped connecting piece is provided with two sleeves, and the two sleeves are positioned on the same vertical line.
The number of the clamps is two, and the two clamps are respectively positioned at the upper end and the lower end of the movable rod.
The two clamps and the two sleeves are positioned on the same vertical line.
The clamp comprises a mounting plate, a clamping piece A and a clamping piece B, wherein the clamping piece A and the clamping piece B are arranged on the mounting plate, the positions of the clamping piece A and the clamping piece B correspond to each other, and the clamping piece A and the clamping piece B are respectively positioned at two ends of the mounting plate.
The structure of the clamping piece A is the same as that of the clamping piece B.
Clamping piece A include pipe clamp, driving lever, slide bar, spring, sliding chamber, fixing base and dead lever, the fixing base establish on the mounting panel, be equipped with the dead lever on the fixing base, be equipped with sliding chamber in the dead lever, sliding chamber inner wall is connected with the one end of spring, the other end of spring is connected with the one end of slide bar, the other end of slide bar stretches out sliding chamber and is connected with the pipe clamp, be equipped with the driving lever on the slide bar.
The pipe clamp is provided with elastic rubber.
The driving mechanism is a motor or a handle wheel.
The utility model has the advantages that: the device drives the movable rod to lift through the lifting device, so that the acid-base burette is driven to lift through the movable rod to adjust the height of the acid-base burette, the adjustment precision is higher, the operation is more convenient, and the clamp is prevented from being clamped and fixed for multiple times. In addition, the acid-base burette is kept vertical all the time in the lifting process, titration data can be conveniently and rapidly read before and after titration, the error of a test result is reduced, and the test precision is improved.
Description of the drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a front view of the first embodiment of the present invention.
Fig. 3 is a schematic structural view of the clamp of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a front view of the second embodiment of the present invention.
The specific implementation mode is as follows:
the following examples are further to explain and supplement the present invention, and do not constitute any limitation to the present invention.
The first embodiment is as follows:
the utility model provides an adjustable titration frame is used in test, includes frame 6, is equipped with on the frame 6 and fixes case 4, is equipped with elevating gear in the fixed case 4, and elevating gear is connected with carriage release lever 12, and carriage release lever 12 is located fixed case 4 outsidely, is equipped with anchor clamps 9 on the carriage release lever 12, and carriage release lever 12 is connected with uide bushing 5 and both are sliding connection, and uide bushing 5 is established on connecting piece 11, is equipped with sleeve pipe 10 on the connecting piece 11, and sleeve pipe 10 is located same vertical line with anchor clamps 9, elevating gear include motor 1, movable block 2, lead screw 3 and sliding opening 13, fixed case 4 on be equipped with sliding opening 13, be equipped with motor 1 in the fixed case 4, motor 1 is connected with the one end of lead screw 3, the other end of lead screw 3 is fixed in fixed case 4, lead screw 3 passes through threaded connection with movable block 2, movable block 2 stretches.
The connecting piece 11 is Y-shaped.
One end of the Y-shaped connecting piece 11 is connected with the fixed box 4, the other end of the Y-shaped connecting piece 11 is provided with two sleeves 10, the two sleeves 10 are positioned on two forks of the Y-shaped connecting piece 11, and the two sleeves 10 are positioned on the same vertical line.
The number of the clamps 9 is two, and the two clamps 9 are respectively positioned at the upper end and the lower end of the movable rod 12.
Two anchor clamps 9 and two sleeve pipes 10 be located same vertical line, ensure that buret 8 is in vertical state all the time when titrating, avoid handheld buret 8 to make the error that the vertical reading of buret 8 brought, improved the precision and the convenience of test.
The clamp 9 comprises a mounting plate 902, a clamping piece A and a clamping piece B, wherein the mounting plate 902 is provided with the clamping piece A and the clamping piece B, the clamping piece A and the clamping piece B correspond to each other in position and are respectively positioned at two ends of the mounting plate 902.
The structure of the clamping piece A is the same as that of the clamping piece B.
The clamping piece A comprises a pipe clamp 903, a shifting rod 904, a sliding rod 901, a spring 907, a sliding cavity 905, a fixed seat 908 and a fixed rod 906, wherein the fixed seat 908 is arranged on a mounting plate 902, the fixed rod 906 is arranged on the fixed seat 908, the sliding cavity 905 is arranged in the fixed rod 906, the inner wall of the sliding cavity 905 is connected with one end of the spring 907, the other end of the spring 907 is connected with one end of the sliding rod 901, the other end of the sliding rod 901 extends out of the sliding cavity 905 to be connected with the pipe clamp 903, and the shifting rod 904 is arranged on the.
Elastic rubber is arranged on the pipe clamp 903.
The control of the motor 1 may be controlled by a controller, which selects a commonly used PLC control system.
Example two:
the structure of the titration frame in this embodiment differs from that of the titration frame in the first embodiment in that: the motor 1 in the first embodiment is replaced by the handle wheel 14, the handle wheel 14 is positioned right above the fixing box 4, the handle wheel 14 is connected with the lead screw 3, and the lead screw 3 is positioned in the fixing box 4.
The specific implementation process is as follows: when the device is used, firstly, the deflector rod 904 is pulled, the deflector rod 904 drives the sliding rod 901 to slide in the sliding cavity 905 and extrude the spring 907, so that the distance between the pipe clamp 903 in the clamping part A and the pipe clamp 903 in the clamping part B is increased, the acid-base burette 8 is inserted into the pipe clamp 903 in the clamping part A and the pipe clamp 903 in the clamping part B, the deflector rod 904 is loosened, the pipe clamp 903 slides along the sliding rod 901 under the action of the spring 907 and clamps the burette 8, so that the clamping of the burette 8 is realized, at the moment, the motor 1 or the handle wheel 14 is started, the motor 1 or the handle wheel 14 drives the screw rod 3 to rotate, the screw rod 3 drives the moving block 2 to translate along the screw rod 3 when rotating, the moving block 2 drives the moving rod 12 to ascend and descend, the moving rod 12 slides along the guide sleeve 5 when ascending and descending through the clamp 9 to clamp the burette 8 and drives the burette 8 to ascend and descend, and the burette, make buret 8 be in vertical state all the time to adjust buret 8's the mouthpiece and reagent bottle 7's position, realize the adjustment to buret 8 position, ensure that buret 8's position is suitable, reagent bottle 7 can be beaker and erlenmeyer flask, the height difference of beaker and erlenmeyer flask, according to the height of beaker and erlenmeyer flask that uses, use elevating gear to drive buret 8 and go up and down and adjust buret 8's the mouthpiece and beaker and erlenmeyer flask's position.
The device drives the movable rod 12 to lift through the lifting device, so that the movable rod 12 drives the acid-base burette 8 to lift to adjust the height of the acid-base burette 8, the adjustment precision is higher, the operation is more convenient, and the clamp is prevented from being clamped and fixed for multiple times. In addition, the acid-base burette 8 is kept vertical all the time in the lifting process, titration data can be conveniently and quickly read before and after titration, the error of a test result is reduced, and the test precision is improved.
Claims (10)
1. The utility model provides an adjustable titration frame is used in test, includes the frame, its characterized in that: the automatic lifting device comprises a fixed box, a lifting device, a movable rod, a clamp, a guide sleeve, a sleeve and a sleeve, wherein the fixed box is arranged on the base, the lifting device is arranged in the fixed box and connected with the movable rod, the movable rod is arranged outside the fixed box and is provided with the clamp, the movable rod is connected with the guide sleeve and is in sliding connection with the guide sleeve, the guide sleeve is arranged on the connecting piece, the sleeve and the clamp are arranged on the same vertical line, the lifting device comprises a power mechanism, a movable block, a lead screw and a sliding port, the fixed box is provided with the power mechanism, the power mechanism is connected with one end of.
2. The adjustable drip stand for testing according to claim 1, wherein: the connecting piece is Y-shaped.
3. The adjustable drip stand for testing according to claim 2, wherein: one end of the Y-shaped connecting piece is connected with the fixed box, the other end of the Y-shaped connecting piece is provided with two sleeves, and the two sleeves are positioned on the same vertical line.
4. The adjustable drip stand for testing according to claim 1, wherein: the number of the clamps is two, and the two clamps are respectively positioned at the upper end and the lower end of the movable rod.
5. The adjustable drip stand for testing according to claim 4, wherein: the two clamps and the two sleeves are positioned on the same vertical line.
6. The adjustable drip stand for testing according to claim 1, wherein: the clamp comprises a mounting plate, a clamping piece A and a clamping piece B, wherein the clamping piece A and the clamping piece B are arranged on the mounting plate, the positions of the clamping piece A and the clamping piece B correspond to each other, and the clamping piece A and the clamping piece B are respectively positioned at two ends of the mounting plate.
7. The adjustable drip stand for testing according to claim 6, wherein: the structure of the clamping piece A is the same as that of the clamping piece B.
8. The adjustable drip stand for testing according to claim 6, wherein: clamping piece A include pipe clamp, driving lever, slide bar, spring, sliding chamber, fixing base and dead lever, the fixing base establish on the mounting panel, be equipped with the dead lever on the fixing base, be equipped with sliding chamber in the dead lever, sliding chamber inner wall is connected with the one end of spring, the other end of spring is connected with the one end of slide bar, the other end of slide bar stretches out sliding chamber and is connected with the pipe clamp, be equipped with the driving lever on the slide bar.
9. The adjustable drip stand for testing according to claim 8, wherein: the pipe clamp is provided with elastic rubber.
10. The adjustable drip stand for testing according to claim 1, wherein: the power mechanism is a motor or a handle wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920333525.5U CN210294200U (en) | 2019-03-17 | 2019-03-17 | Adjustable titration frame for test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920333525.5U CN210294200U (en) | 2019-03-17 | 2019-03-17 | Adjustable titration frame for test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210294200U true CN210294200U (en) | 2020-04-10 |
Family
ID=70059870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920333525.5U Expired - Fee Related CN210294200U (en) | 2019-03-17 | 2019-03-17 | Adjustable titration frame for test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210294200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208258A (en) * | 2020-03-23 | 2020-05-29 | 青海省核工业核地质研究院(青海省核工业检测试验中心) | Semi-automatic titrator |
-
2019
- 2019-03-17 CN CN201920333525.5U patent/CN210294200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208258A (en) * | 2020-03-23 | 2020-05-29 | 青海省核工业核地质研究院(青海省核工业检测试验中心) | Semi-automatic titrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200410 |