阅读说明：本技术 一种能自动清洗排废的电位滴定仪结构 (Potentiometric titrator structure capable of automatically cleaning and discharging waste ) 是由 张群 徐玮玮 于 2020-04-24 设计创作，主要内容包括：本发明公开了一种能自动清洗排废的电位滴定仪结构,包括主机座,主机座的一侧固定连接有底板,底板的上侧面固定连接有支撑架,支撑架的上端固定连接有检样座,所述底板的上侧设有可孔转动的自动样品盘,支撑架上滑动连接取样杆,取样杆的一端固定连接有套件,所述主机座的一侧设置有清洗杯,所述主机座上采用两个泵体的设置,分别用于传输稀释液和滴定液,清洗杯和滴定杯下均可设置排液机构能够自动对检样座上部件清洗,以及废液处理,实现自动化操作,简化人工,提高效率。(The invention discloses a potentiometric titrator structure capable of automatically cleaning and discharging waste, which comprises a main machine seat, wherein a bottom plate is fixedly connected to one side of the main machine seat, a support frame is fixedly connected to the upper side surface of the bottom plate, a sample detection seat is fixedly connected to the upper end of the support frame, an automatic sample disc capable of rotating in a hole is arranged on the upper side of the bottom plate, a sampling rod is slidably connected onto the support frame, a suite is fixedly connected to one end of the sampling rod, a cleaning cup is arranged on one side of the main machine seat, two pump bodies are arranged on the main machine seat and are respectively used for conveying diluent and titrant, and liquid drainage mechanisms can be arranged below the cleaning cup and the titrant cup and can automatically clean the parts on the sample detection seat and treat waste liquid, so that automatic operation.)

1. The utility model provides a potentiometric titrator structure that ability self-cleaning discarded, includes host computer seat (1), one side fixedly connected with bottom plate (2) of host computer seat (1), side fixedly connected with support frame (3) on bottom plate (2), its characterized in that: the upper end of the support frame (3) is fixedly connected with a sample detecting seat (4), the upper side of the bottom plate (2) is provided with an automatic sample disc (6) capable of rotating in a hole, a plurality of sample positions (8) used for hanging titration cups (9) are uniformly distributed on the automatic sample disc (6) along the circumference, the support frame (3) is connected with a sampling rod (11) in a sliding mode through a sample supporting mechanism (10), one end of the sampling rod (11) is used for taking and placing the titration cups (9) through a kit (12), one side of the main machine seat (1) is provided with a cleaning cup (19), the main machine seat (1) is provided with two pump bodies (13) which are respectively used for transmitting diluent and titration liquid, the lower end of the cleaning cup (19) is provided with a liquid drainage mechanism (20), the liquid drainage mechanism (20) comprises a base (201), the inside of the base (201) is connected with a valve core (203) used for discharging liquid inside the cleaning cup (19) through a first spring (202, a diversion trench is formed in the valve core (203), a support (204) is fixedly connected to the inner portion, located on the bottom plate (2), below the base (201), a liquid discharge pipe (205) is fixedly connected to the support (204), and the lower end of the valve core (203) is movably connected with the liquid discharge pipe (205).

2. The structure of the potentiometric titrator capable of automatically cleaning and discharging the waste as claimed in claim 1, wherein: hold in palm appearance mechanism (10) including rotating screw rod (101) of connection on support frame (3), screw rod (101) are rotatory through second motor (102) drive, sampling rod (11) are connected with screw rod (101) meshing, just be equipped with guiding axle (103) on support frame (3), the one end slip of sampling rod (11) cup joints on guiding axle (103).

3. The structure of the potentiometric titrator capable of automatically cleaning and discharging the waste as claimed in claim 2, wherein: hold in palm appearance mechanism (10) still includes gear (104), gear (104) carry out the drive rotation through third motor (105), it keeps tooth piece (106) of same pivot with screw rod (101) to rotate to be connected with on support frame (3), gear (104) and tooth piece (106) meshing are connected, tooth piece (106) and guiding axle (103) fixed connection.

4. The structure of the potentiometric titrator capable of automatically cleaning and discharging the waste as claimed in claim 3, wherein: an opening is formed in the side wall of the sleeve (12), and the inner diameter of the sleeve (12) is smaller than the outer diameter of the base (201).

5. The structure of the potentiometric titrator capable of automatically cleaning and discharging the waste as claimed in claim 4, wherein: the lower end of the titration cup (9) is also provided with a liquid discharge mechanism (20).

6. The structure of the potentiometric titrator capable of automatically cleaning and discharging the waste as claimed in claim 5, wherein: the automatic sample tray (6) comprises a rotating block (61), a plurality of sector plates (62) are uniformly distributed on the side wall of the rotating block (61) along the circumference, the sample grade (8) is arranged on the side wall of the sector plates (62), the sector plates (62) are all connected to the upper side face of a support column (5) at the bottom of the automatic sample tray (6) in a sliding mode, a notch (21) is formed in the side wall of the support column (5), and a floating plate (23) is connected to the inner portion of the notch (21) in a sliding mode through a second spring (22).

7. The structure of the potentiometric titrator capable of automatically cleaning and discharging the waste as claimed in claim 6, wherein: the tooth block (106) is semicircular in shape.

Technical Field

The invention relates to the technical field of titrators, in particular to a potentiometric titrator structure capable of automatically cleaning and discharging waste.

Background

The potentiometric titrator is an instrument of a method for determining a titration end point by measuring potential change in a titration process by using a potentiometric titration method, and at present, when the potentiometric titrator is used for carrying out chemical analysis, multiple experiments are required to be carried out, so that the accuracy of the experiments is ensured, but when the conventional ordinary potentiometric titrator is used for carrying out titration experiments, the operation of manually disassembling and assembling a titration cup is required to be repeated for multiple times, so that the experiment process becomes complicated, and the progress of the experiments is influenced; and the waste liquid that uses up in the experiment can not automatic discharge, also needs the manual work to pour the waste liquid, wastes time and energy, in addition in order to guarantee the precision of instrument and equipment, requires to wash electrode, agitated vessel through the diluent after the experiment of every turn over or before beginning, and this process is consuming time also easily to be neglected.

Therefore, we propose a potentiometric titrator structure capable of automatically cleaning and discharging waste.

Disclosure of Invention

The invention aims to provide a potentiometric titrator structure capable of automatically cleaning and discharging waste so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a potentiometric titrator structure capable of automatically cleaning and discharging waste comprises a main machine seat, wherein a bottom plate is fixedly connected to one side of the main machine seat, a support frame is fixedly connected to the upper side of the bottom plate, a sample detecting seat is fixedly connected to the upper end of the support frame, an automatic sample disc capable of rotating through holes is arranged on the upper side of the bottom plate, a plurality of sample positions for hanging titration cups are uniformly distributed on the automatic sample disc along the circumference, a sampling rod is slidably connected onto the support frame through a sample supporting mechanism, one end of the sampling rod is used for taking and placing the titration cups through a kit, a cleaning cup is arranged on one side of the main machine seat, the main machine seat is provided with two pump bodies for respectively transmitting diluent and titration liquid, a liquid drainage mechanism is arranged at the lower end of the cleaning cup and comprises a base, a valve core for draining liquid in the cleaning cup is slidably connected to the interior of the base through a first spring, the inner part of the valve core is provided with a diversion trench, a support is fixedly connected with the inner part of the base and positioned on the bottom plate, a liquid discharge pipe is fixedly connected onto the support, and the lower end of the valve core is movably connected with the liquid discharge pipe.

Preferably, the sample supporting mechanism comprises a screw rod connected to the support frame in a rotating mode, the screw rod is driven to rotate through a second motor, the sampling rod is connected with the screw rod in a meshed mode, a guide shaft is arranged on the support frame, and one end of the sampling rod is sleeved on the guide shaft in a sliding mode.

Preferably, the support mechanism further comprises a gear, the gear is driven to rotate by a third motor, a tooth block which keeps the same rotating shaft with the screw rod is connected to the support frame in a rotating mode, the gear is meshed with the tooth block, and the tooth block is fixedly connected with the guide shaft.

Preferably, an opening is formed in the side wall of the sleeve, and the inner diameter of the sleeve is smaller than the outer diameter of the base.

Preferably, the lower end of the titration cup is also provided with a liquid drainage mechanism.

Preferably, the automatic sample tray comprises a rotating block, a plurality of sector plates are uniformly distributed on the side wall of the rotating block along the circumference, the sample is arranged on the side wall of the sector plate, the sector plates are all connected to the upper side face of a support column at the bottom of the automatic sample tray in a sliding mode, a notch is formed in the side wall of the support column, and a floating plate is connected to the inside of the notch in a sliding mode through a second spring.

Preferably, the tooth block is semicircular in shape.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching of starting the motors, the automatic titration cup installation can be realized, and the automatic feeding effect can be realized after the automatic sample tray rotates, so that the operation of manually disassembling and assembling the titration cup is omitted, and the experimental efficiency is improved.

2. According to the invention, the cleaning cup is supported by the kit, and the opening part of the cleaning cup is pressed against the lower side wall of the sample detection seat, so that the device can be automatically cleaned before an experiment, the complicated step of manually cleaning the device is omitted, and the time and labor are saved; and through the external member pulling washing cup downwards, can make the case upwards automatic sliding, the guiding gutter communicates with the inside of wasing the cup, can flow the inside waste liquid of washing cup in the flowing back pipe automatically like this to discharge through the flowing back pipe, improve the cleaning performance.

3. According to the invention, the titration cup is pulled downwards through the kit, when the titration cup slides downwards, the valve core can automatically slide upwards, the diversion trench is communicated with the interior of the titration cup, and at the moment, waste liquid in the titration cup can automatically flow into the liquid discharge pipe from the interior of the diversion trench and is discharged through the liquid discharge pipe, so that automatic waste liquid transfer is realized, and centralized treatment is facilitated.

Drawings

FIG. 1 is a schematic diagram I of the overall structure of the present invention;

FIG. 2 is a schematic diagram II of the overall structure of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view of the support frame, automated sample pan and first motor of the present invention;

FIG. 5 is a schematic structural diagram I of a cleaning cup, a sampling rod and a kit according to the present invention;

FIG. 6 is a schematic structural view II of the cleaning cup, the sampling rod and the kit according to the present invention;

FIG. 7 is a schematic view of the structure of the cleaning cup, the sampling rod and the kit according to the present invention;

FIG. 8 is a schematic diagram IV of the structure of the cleaning cup, the sampling rod and the kit according to the present invention;

FIG. 9 is a cross-sectional view I of the present invention at the location of the cleaning cup, base, valve cartridge and drain;

FIG. 10 is a cross-sectional view II of the present invention at the cleaning cup, base, valve cartridge and drain;

FIG. 11 is a schematic view of the structure of the rotor block, sector plate and titration cup of the present invention;

FIG. 12 is a schematic view of the structure of the sampling rod, the kit, the sector plate and the titration cup of the present invention;

FIG. 13 is a schematic view II of the structure of the sampling rod, the kit, the sector plate and the titration cup of the present invention;

FIG. 14 is an exploded view of the rotor block, sector plate, strut and float plate of the present invention;

FIG. 15 is a schematic structural diagram I of a sampling rod, a kit, a titration cup and a tooth block according to the present invention;

FIG. 16 is a schematic view II of the structure of the sampling rod, the kit, the titration cup and the tooth block of the present invention;

FIG. 17 is a schematic view of the structure of the sampling rod, the kit, the titration cup and the tooth block of the present invention III.

In the figure: 1. the device comprises a main machine seat, 2, a bottom plate, 3, a support frame, 4, a sample detection seat, 5, a support column, 6, an automatic sample plate, 61, a rotating block, 62, a sector plate, 7, a first motor, 8, a sample position, 9, a titration cup, 10, a sample support mechanism, 101, a screw rod, 102, a second motor, 103, a guide shaft, 104, a gear, 105, a third motor, 106, a tooth block, 11, a sampling rod, 12, a kit, 13, a pump body, 14, a stirrer, 15, a reference electrode, 16, an indicating electrode, 17, a fixing frame, 18, a clamping hole, 19, a cleaning cup, 20, a liquid discharge mechanism, 201, a base, 202, a first spring, 203, a valve core, 204, a support, 205, a liquid discharge pipe, 21, a notch, 22, a second spring, 23 and a floating plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to figures 1-17 of the drawings,