CN210357085U

CN210357085U - Improved dropping liquid structure for chemical analysis

Info

Publication number: CN210357085U
Application number: CN201921132354.6U
Authority: CN
Inventors: 田雁飞; 伍惠玲; 郭永艳
Original assignee: Hunan Nonferrous Metals Vocational and Technical College
Current assignee: Hunan Nonferrous Metals Vocational and Technical College
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-21
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to a chemistry experiment equipment technical field specifically is an improved generation dropping liquid structure for chemical analysis, the on-line screen storage device comprises a base, there is the mount pad through bolt fixed mounting on the base, and the front end of mount pad has a mounting bracket through bolt fixed mounting, install through the bearing on the mounting bracket and rotate the seat, and rotate and to install first elevating gear through bolt fixed mounting on the seat, first elevating gear's output bears the seat through bolt fixed mounting, and bears to establish ties on the seat and placed at least three solution tank. The beneficial effects are that: this improved generation dropping liquid device can utilize the solution tank that sets up in advance to realize the preloading to dropping liquid solution commonly used to directly choose for use when needs the dropping liquid can, and the dropping liquid process can realize accurate flow control through flow sensor and flow valve, thereby can effectually replace the dropping liquid mode of traditional manual operation drip tube, not only the dropping liquid precision is higher, can effectually save operating personnel's physical power and time moreover.

Description

Improved dropping liquid structure for chemical analysis

Technical Field

The utility model relates to a chemistry experimental facilities technical field specifically is an improved generation dropping liquid structure for chemical analysis.

Background

The reaction solution is required to be added in a dropping manner frequently in the chemical analysis process. The traditional way of adding reaction solution is mainly carried out by using a dropping funnel and a pipette, but the pipette needs manual operation and the dropping precision is low. And the dropping funnel can only contain one solution at a time, resulting in the need for cooperation of multiple dropping funnels when performing complex reaction assays, leading to cumbersome operations. Therefore, the above methods have been difficult to satisfy the requirements of the existing reaction analysis.

The improved dropping device capable of quickly dropping liquid with high precision by adopting the pre-filled common dropping solution can effectively solve the problems, and provides an improved dropping structure for chemical analysis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation dropping liquid structure for chemical analysis to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved liquid dropping structure for chemical analysis comprises a base, wherein a mounting seat is fixedly mounted on the base through bolts, a mounting frame is fixedly mounted at the front end of the mounting seat through bolts, a rotating seat is mounted on the mounting frame through a bearing, a first lifting device is fixedly mounted on the rotating seat through bolts, a bearing seat is fixedly mounted at the output end of the first lifting device through bolts, at least three solution tanks are placed on the bearing seat in series, a steering motor is fixedly mounted on the mounting seat through bolts, and the output end of the steering motor drives the rotating seat through a toothed belt;

the automatic cleaning device comprises a solution tank, a sealing cover, a flow valve, a mounting seat, a controller, a flow sensor, a flow control valve, a liquid dropping pipe, a fixing seat and a controller, wherein a solution cavity is arranged in the solution tank, the sealing cover is arranged above the solution tank through threads, the air inlet pipe communicated with the upper end of the solution cavity is integrally formed at the rear end of the solution tank, the liquid dropping pipe communicated with the lower end of the solution cavity is arranged at the front end of the solution tank, the flow valve and the flow sensor are arranged on the liquid dropping pipe, the controller is arranged on the mounting seat, at least six positioning holes are formed in the lower end of the solution tank in an array mode;

there is the second elevating gear through bolt fixed mounting on the mount pad, and the rotating turret is installed through the damping pivot to second elevating gear's output, and the end of rotating turret has the turning handle through bolt fixed mounting, the reaction vessel who corresponds with the dropping liquid pipe position has been placed to the end of turning handle, and the controller turns to motor, first elevating gear, second elevating gear, flow valve and flow sensor through wire electric connection respectively.

Preferably, the bottom of the solution tank is integrally formed with a matching ring, and matching grooves matched with the matching ring are formed above the solution tank and the bearing seat.

Preferably, the air pump is fixedly mounted on the mounting seat through a bolt, an outlet end of the air pump is connected with the air inlet pipe, and the air pump is electrically connected with the controller through a wire.

Preferably, the bottom of the base is provided with a carrying groove, the upper end of the rotating handle is integrally formed with a pull handle, and the upper end of the sealing cover is provided with an arc-shaped groove which is convenient for being held by a hand.

Preferably, the controller is a PLC device of S7-200 type, and the flow sensor is a water flow sensor.

Preferably, the first lifting device is an ANT-35 type electric push rod, and the second lifting device is an ANT-26 type electric push rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an improved generation dropping liquid device can utilize the solution tank that sets up in advance to realize the preloading to dropping liquid solution commonly used to directly choose for use when needs the dropping liquid can, and the dropping liquid process can realize accurate flow control through flow sensor and flow valve, thereby can effectually replace the dropping liquid mode of traditional manual operation burette, not only the dropping liquid precision is higher, and can effectually save operating personnel's physical power and time moreover, has very high practical value.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the solution tank of the present invention.

In the figure: the device comprises a base 1, a mounting base 2, a solution tank 3, a drip tube 4, a fixed screw button 5, an air inlet tube 6, a steering motor 7, an air pump 8, a controller 9, a carrying tank 10, a toothed belt 11, a first lifting device 12, a second lifting device 13, a mounting frame 14, a reaction container 15, a rotating handle 16, a pulling handle 17, a rotating frame 18, a positioning hole 19, a solution cavity 20, a sealing cover 21, an arc-shaped groove 22, a flow valve 23, a flow sensor 24, a rotating base 25, a bearing base 26, a matching groove 27 and a matching ring 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 2, the present invention provides a technical solution: an improved dropping liquid structure for chemical analysis comprises a base 1, wherein a mounting seat 2 is fixedly mounted on the base 1 through bolts, a mounting frame 14 is fixedly mounted at the front end of the mounting seat 2 through bolts, a rotating seat 25 is mounted on the mounting frame 14 through a bearing, a first lifting device 12 is fixedly mounted on the rotating seat 25 through bolts, a bearing seat 26 is fixedly mounted at the output end of the first lifting device 12 through bolts, at least three solution tanks 3 are placed on the bearing seat 26 in series, a steering motor 7 is fixedly mounted on the mounting seat 2 through bolts, and the rotating seat 25 is driven by the output end of the steering motor 7 through a toothed belt 11;

a solution cavity 20 is arranged in the solution tank 3, a sealing cover 21 is installed above the solution tank 3 through threads, an air inlet pipe 6 communicated with the upper end of the solution cavity 20 is integrally formed at the rear end of the solution tank 3, a dropping pipe 4 communicated with the lower end of the solution cavity 20 is installed at the front end of the solution tank 3, a flow valve 23 and a flow sensor 24 are installed on the dropping pipe 4, a controller 9 is installed on the installation seat 2, at least six positioning holes 19 are formed in the lower end of the solution tank 3 in an array mode, and fixing screw buttons 5 matched with the positioning holes 19 are installed at the upper end of the solution tank 3 and the upper end of the bearing seat 26 through threaded connection;

a second lifting device 13 is fixedly installed on the installation base 2 through bolts, a rotating frame 18 is installed at the output end of the second lifting device 13 through a damping rotating shaft, a rotating handle 16 is fixedly installed at the tail end of the rotating frame 18 through bolts, a reaction container 15 corresponding to the position of the dropping liquid pipe 4 is placed at the tail end of the rotating handle 16, and the controller 9 is respectively and electrically connected with the steering motor 7, the first lifting device 12, the second lifting device 13, the flow valve 23 and the flow sensor 24 through leads;

the bottom integrated into one piece of solution jar 3 has the cooperation ring 28, and solution jar 3 and bear the top of seat 26 and all set up the cooperation groove 27 that matches with cooperation ring 28, there is air pump 8 through bolt fixed mounting on the mount pad 2, and the exit end and the intake pipe 6 of air pump 8 are connected, air pump 8 passes through wire electric connection with controller 9, transport groove 10 has been seted up to the bottom of base 1, and the upper end integrated into one piece of turning handle 16 has pull handle 17, the upper end of closing cap 21 is seted up the arc wall 22 that makes things convenient for the hand to catch, controller 9 is the PLC device of S7-200 type, and flow sensor 24 is water flow sensor, first elevating gear 12 is ANT-35 type electric putter, and second elevating gear 13 is ANT-26 type electric putter.

The working principle is as follows: the device can be convenient carry out automatic dropping liquid, and need not carry out the dropping liquid through manual operation burette, not only can save the operating procedure, can make dropping liquid operation precision higher moreover. Before use, firstly, solution tanks 3 with corresponding quantity are stacked and installed on a bearing seat 26 according to the quantity of commonly used solution for dripping, corresponding solution is filled in each solution tank 3, meanwhile, marks are made in front of the solution tanks 3 through notes, dripping pipes 4 among the solution tanks 3 are arranged in a staggered position, the solution tanks 4 are fixed through fixing screw buttons 5, air inlet pipes 6 of the solution tanks 3 can be directly contacted with air, when the internal solution is volatile solution, irritant solution or harmful solution, the air inlet pipes 6 can also be connected to the outlet end of an air pump 8, then data of the solution tanks 3 at various positions are input into a controller 9, and pre-measured normal dripping flow data of the dripping pipes 4 of each solution tank 3 are input into the controller 9. When liquid dropping is needed, firstly, the reaction container 15 carrying the corresponding reactant is placed at the tail end of the rotating handle 16, at the moment, the dropping liquid pipe 4 of the solution tank 3 containing the corresponding dropping liquid solution is rotated to a designated working position through the steering motor 7, then, the height of the dropping liquid pipe 4 is adjusted by using the first lifting device 12, at the moment, the reaction container 15 can be rotated to the position corresponding to the dropping liquid pipe 4 through manually rotating the rotating handle 16, then, the height of the reaction container 15 is finely adjusted by using the second lifting device 13, so that the phenomenon that the solution splashes when the position of the dropping liquid pipe 4 is too high or the dropping liquid pipe 4 is inserted into the reactant of the reaction container 15 to cause the pollution to the dropping liquid pipe 4 is avoided, after the preparation operation is finished, the corresponding dropping liquid capacity can be input into the controller 9, at the moment, the controller 9 drops liquid through the flow valve 23 and the flow sensor 24, and the preset rated working flow of each dropping liquid pipe 4 is used for checking whether the dropping liquid Then, the reaction vessel 15 is removed after the dropping is completed, and the next round of dropping is performed. The device is easy and simple to handle, can effectually utilize automatic flow control to realize the ration dropping liquid to chemical reaction to do not need the manual work to move the liquid operation, not only effectual improvement the dropping liquid precision, saved operating personnel's physical power moreover, use when being particularly suitable for continuous dropping liquid operation, have very high practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An improved generation dropping liquid structure for chemical analysis, includes base (1), its characterized in that: the device comprises a base (1), a mounting seat (2) is fixedly mounted on the base (1) through bolts, a mounting frame (14) is fixedly mounted at the front end of the mounting seat (2) through bolts, a rotating seat (25) is mounted on the mounting frame (14) through bearings, a first lifting device (12) is fixedly mounted on the rotating seat (25) through bolts, a bearing seat (26) is fixedly mounted at the output end of the first lifting device (12) through bolts, at least three solution tanks (3) are placed on the bearing seat (26) in series, a steering motor (7) is fixedly mounted on the mounting seat (2) through bolts, and the rotating seat (25) is driven by the output end of the steering motor (7) through a toothed belt (11);

a solution cavity (20) is arranged inside the solution tank (3), a sealing cover (21) is installed above the solution tank (3) through threads, an air inlet pipe (6) communicated with the upper end of the solution cavity (20) is integrally formed at the rear end of the solution tank (3), a dropping pipe (4) communicated with the lower end of the solution cavity (20) is installed at the front end of the solution tank (3), a flow valve (23) and a flow sensor (24) are installed on the dropping pipe (4), a controller (9) is installed on the mounting seat (2), at least six positioning holes (19) are formed in the lower end of the solution tank (3) in an array mode, and fixed screw buttons (5) matched with the positioning holes (19) are installed at the upper end of the solution tank (3) and the upper end of the bearing seat (26) through threaded connection;

install second elevating gear (13) through bolt fixed mounting on mount pad (2), and the output of second elevating gear (13) installs rotating turret (18) through the damping pivot, and the end of rotating turret (18) has turning handle (16) through bolt fixed mounting, reaction vessel (15) that correspond with dropping liquid pipe (4) position are placed to the end of turning handle (16), and controller (9) turn to motor (7), first elevating gear (12), second elevating gear (13), flow valve (23) and flow sensor (24) through wire electric connection respectively.

2. An improved drop structure for chemical analysis according to claim 1, wherein: the bottom integrated into one piece of solution jar (3) has cooperation ring (28), and solution jar (3) and the top of bearing seat (26) all seted up cooperation groove (27) that match with cooperation ring (28).

3. An improved drop structure for chemical analysis according to claim 1, wherein: the air pump (8) is fixedly mounted on the mounting seat (2) through bolts, the outlet end of the air pump (8) is connected with the air inlet pipe (6), and the air pump (8) is electrically connected with the controller (9) through a wire.

4. An improved drop structure for chemical analysis according to claim 1, wherein: the carrying groove (10) is formed in the bottom of the base (1), the pull handle (17) is integrally formed at the upper end of the rotating handle (16), and the arc-shaped groove (22) convenient to grasp by a hand is formed in the upper end of the sealing cover (21).

5. An improved drop structure for chemical analysis according to claim 1, wherein: the controller (9) is an S7-200 type PLC device, and the flow sensor (24) is a water flow sensor.

6. An improved drop structure for chemical analysis according to claim 1, wherein: the first lifting device (12) is an ANT-35 type electric push rod, and the second lifting device (13) is an ANT-26 type electric push rod.