Chemical experiment quantitative analysis titration device

Abstract

The utility model discloses a chemical experiment quantitative analysis titration device which comprises a working table, a glass baffle plate is fixedly connected to the side end of the working table, and a fixed suction cup is arranged at the bottom end of the working table; the lower end of the second lifting rod is fixedly connected to the workbench, a fixing ring is arranged on the second lifting rod, the fixing ring is fixedly connected with a dropping liquid detection container through a second fixing rod, a detection device is arranged in the dropping liquid detection container, and a dropping liquid container is arranged at the upper end of the dropping liquid detection container. The working table is arranged at the bottom end of the detection container, and the detachable glass baffle is fixedly connected to the side end of the working table, so that the experiment precision is influenced under the condition that the view of an experimenter is not shielded, and a titration solution can be prevented from splashing, injuring the eyes of the experimenter and causing accidents. The liftable device is arranged at the side end of the detection device, so that the heights of the dropping liquid detection container and the detection device are adjusted according to experimental requirements, and the experimental precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of droplet detection, in particular to a chemical experiment quantitative analysis titration device. Background Art

[0002] During the experiment, chemical solutions need to be tested and analyzed. In order to accurately analyze chemical experimental solutions, a drop detection device is usually used instead of the manual drop method to control the detection cost and improve the detection accuracy.

[0003] In general, a titration device for quantitative analysis of chemical experiments is provided on the detection container and the detection top, and the internal liquid is squeezed into the detection device inside the detection container by squeezing the titration device to achieve titration and detection of the chemical experiment solution. However, during the titration process of this detection device, the solution splashes, and the dangerous chemical solution can cause damage to the eyes of the experimenter, which is prone to accidents. The Chinese patent discloses a chemical experiment quantitative analysis titration device with application number "CN202121559602.2", which solves the problem that the titration platform currently used is relatively rough in design and cannot accurately control the dosage of the burette dripping into the container; it includes a base, characterized in that a fixed plate is installed on the top of the base for sliding up and down, a clamping ring is fixedly installed on the front end of the fixed plate, a burette is vertically installed in the clamping ring, and the bottom of the burette is integrally connected with a horizontal quantitative cylinder, a quantitative rod is installed in the quantitative cylinder, and a plurality of quantitative grooves of different capacities are opened on the outer surface of the quantitative rod, a dropper is integrally connected to the bottom of the quantitative cylinder, and a conical flask is placed on the top of the base; the utility model can adjust the position of the quantitative rod in the quantitative cylinder by sliding forward and backward, and can use quantitative grooves of different volumes for titration operation, and can accurately control the dosage of each titration. However, the problem of eye protection for experimenters is not achieved. Summary of the invention

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a chemical experiment quantitative analysis titration device, which provides a workbench at the bottom of the detection container and a detachable glass baffle fixedly connected to the side of the workbench, so as to not block the field of vision of the experimenter and affect the experiment accuracy, and prevent the titration solution from splashing and causing damage to the eyes of the experimenter and causing accidents. By providing a lifting device at the side of the detection device, the height of the drop detection container and the detection device can be adjusted according to the experimental requirements, thereby improving the experimental accuracy.

[0005] The utility model also provides a chemical experiment quantitative analysis titration device as described above, comprising: a workbench, a glass baffle fixedly connected to the side end of the workbench, and a fixed suction cup arranged at the bottom end of the workbench; a second lifting rod, the lower end of the second lifting rod is fixedly connected to the workbench, a fixing ring is arranged on the second lifting rod, the fixing ring is fixedly connected to a drop detection container through the second fixing rod, a detection device is arranged inside the drop detection container, and a drop detection container is arranged at the upper end of the drop detection container. By arranging a workbench at the bottom end of the detection container and fixing a detachable glass baffle at the side end of the workbench, the experiment accuracy is not affected while the experimenter's field of vision is not blocked, and the titration solution is prevented from splashing, causing damage to the experimenter's eyes and causing accidents. By arranging a liftable device at the side end of the detection device, the height of the drop detection container and the detection device can be adjusted according to the experimental requirements, thereby improving the experiment accuracy.

[0006] According to the chemical experiment quantitative analysis titration device described in the utility model, the right end of the workbench is fixedly connected to a first lifting rod, and a lifting block is arranged on the first lifting rod to realize the lifting of the drip container.

[0007] According to the chemical experiment quantitative analysis titration device described in the utility model, the left end of the lifting block is fixedly connected with a first fixing rod, and the right end of the lifting block is provided with a first fixing bolt, so as to facilitate fixing the lifting block.

[0008] According to the chemical experiment quantitative analysis titration device described in the utility model, the output end of the first fixed rod is fixedly connected with a placement ring, and a drip container is placed inside the placement ring to temporarily store the titration solution required for detection.

[0009] According to the chemical experiment quantitative analysis titration device described in the utility model, the dripping container is provided with a liquid inlet pipe, and the dripping liquid to be detected is placed in the liquid inlet pipe.

[0010] According to the chemical experiment quantitative analysis titration device described in the utility model, the bottom of the dripping container is connected to a dripping pipe, and the middle section of the dripping pipe is provided with a flow control tube to prevent the titration solution from leaking during the flow control process.

[0011] According to the chemical experiment quantitative analysis titration device described in the utility model, a control bolt is arranged at the side end of the flow control tube, and the control bolt is connected to the dripping pipeline to control the amount of the titration solution entering.

[0012] According to the chemical experiment quantitative analysis titration device described in the utility model, a second fixing bolt is arranged at the left end of the fixing ring, and the workbench is fixed at a corresponding position by a fixing suction cup at the bottom end, so as to fix the workbench. Beneficial Effects

[0013] Compared with the prior art, the chemical experiment quantitative analysis titration device sets a workbench at the bottom of the detection container and fixes a detachable glass baffle on the side of the workbench. It does not block the field of vision of the experimenter to affect the experiment accuracy, and can prevent the titration solution from splashing, causing damage to the eyes of the experimenter and causing accidents.

[0014] Compared with the prior art, the chemical experiment quantitative analysis titration device is provided with a liftable device at the side end of the detection device, so as to adjust the height of the drop detection container and the detection device according to the experimental requirements and improve the experimental accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a structural diagram of the entire utility model;

[0017] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 3 This is a structural diagram of the utility model from a side perspective;

[0019] Figure 4 This is a structural diagram of the utility model from a bottom-up perspective.

[0020] Legend:

[0021] 1. Workbench; 2. Glass baffle; 3. Second lifting rod; 4. First lifting rod; 5. Lifting block; 6. First fixing bolt; 7. First fixing rod; 8. Liquid inlet pipe; 9. Placement ring; 10. Dropping container; 11. Fixing ring; 12. Second fixing bolt; 13. Second fixing rod; 14. Dropping detection container; 15. Detection device; 16. Dropping pipe; 17. Flow control tube; 18. Control bolt; 19. Fixed suction cup. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] refer to Figure 1-4The quantitative analysis titration device for chemical experiments of this embodiment comprises: a workbench 1, on which other equipment is placed to form a whole. A glass baffle 2 is fixedly connected to the side end of the workbench 1 to protect the eyes of the experimenter. A fixed suction cup 19 is arranged at the bottom end of the workbench 1; the workbench 1 is fixed. A first lifting rod 4 is fixedly connected to the right end of the workbench 1, and a lifting block 5 is arranged on the first lifting rod 4. A first fixed rod 7 is fixedly connected to the left end of the lifting block 5, and a first fixing bolt 6 is arranged at the right end of the lifting block 5. A placement ring 9 is fixedly connected to the output end of the first fixed rod 7, and a drop container 10 is placed inside the placement ring 9. It is convenient to lift, place and fix the drop container 10. A liquid inlet pipe 8 is arranged on the drop container 10, and the liquid inlet pipe 8 is placed with the drop to be detected. A dripping pipe 16 is connected to the bottom of the drip container 10, and a flow control pipe 17 is arranged in the middle section of the dripping pipe 16. A control bolt 18 is arranged at the side end of the flow control pipe 17, and the control bolt 18 is connected to the dripping pipe 16. The flow rate of the dripping liquid is controlled. By moving the control bolt 10, the shielding of the dripping pipe 16 is adjusted.

[0024] The second lifting rod 3, the lower end of the second lifting rod 3 is fixedly connected to the workbench 1, and a fixing ring 11 is provided on the second lifting rod 3. The fixing ring 11 is fixedly connected to a drop detection container 14 through a second fixing rod 13, and the second fixing rod 13 is a telescopic structure. A detection device 15 is provided inside the drop detection container 14 to facilitate adjustment of the positions of the drop detection container 14 and the detection device 15. A drop container 10 is provided at the upper end of the drop detection container 14. A second fixing bolt 12 is provided at the left end of the fixing ring 11, and the workbench 1 is fixed at the corresponding location through a bottom fixing suction cup 19.

[0025] Working principle: When using the device, the dripping liquid is sent into the dripping container 10 through the liquid inlet pipe 8, and the control bolt 18 is adjusted to block the infusion port of the dripping pipe 16 to adjust the dripping liquid inflow rate. By squeezing the dripping container 10, the solution is squeezed into the dripping detection container 14, and the detection device 15 is detected.

[0026] The height of the drop detection container 14 is changed by adjusting the fixing ring 11 , and the position of the titration detection container 14 is changed by adjusting the second fixing rod 13 .

[0027] During the detection process, the glass baffle 2 protects the eyes of the experimenter.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A chemical experiment quantitative analysis titration device, characterized in that: include: A workbench (1), wherein a glass baffle (2) is fixedly connected to a side end of the workbench (1), and a fixed suction cup (19) is provided at the bottom end of the workbench (1); A second lifting rod (3), the lower end of the second lifting rod (3) being fixedly connected to the workbench (1), a fixing ring (11) being provided on the second lifting rod (3), the fixing ring (11) being fixedly connected to a drop detection container (14) via the second fixing rod (13), a detection device (15) being provided inside the drop detection container (14), and a drop container (10) being provided at the upper end of the drop detection container (14).

2. A chemical experiment quantitative analysis titration device according to claim 1, characterized in that: The right end of the workbench (1) is fixedly connected to a first lifting rod (4), and a lifting block (5) is provided on the first lifting rod (4).

3. A chemical experiment quantitative analysis titration device according to claim 2, characterized in that: The left end of the lifting block (5) is fixedly connected to a first fixing rod (7), and the right end of the lifting block (5) is provided with a first fixing bolt (6).

4. A chemical experiment quantitative analysis titration device according to claim 3, characterized in that: The output end of the first fixing rod (7) is fixedly connected to a placement ring (9), and a drip container (10) is placed inside the placement ring (9).

5. A chemical experiment quantitative analysis titration device according to claim 4, characterized in that: The liquid dripping container (10) is provided with a liquid inlet pipe (8), and the liquid dripping that needs to be detected is placed in the liquid inlet pipe (8).

6. A chemical experiment quantitative analysis titration device according to claim 5, characterized in that: The bottom of the dripping container (10) is connected to a dripping pipe (16), and a flow control pipe (17) is provided in the middle section of the dripping pipe (16).

7. A chemical experiment quantitative analysis titration device according to claim 6, characterized in that: A control bolt (18) is provided at the side end of the flow control tube (17), and the control bolt (18) is connected to the dripping pipe (16).

8. A chemical experiment quantitative analysis titration device according to claim 1, characterized in that: A second fixing bolt (12) is provided at the left end of the fixing ring (11), and the workbench (1) is fixed at a corresponding location via a fixing suction cup (19) at the bottom end.

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