CN212236197U

CN212236197U - Solid-liquid separation workbench for chemical laboratory

Info

Publication number: CN212236197U
Application number: CN202020210245.8U
Authority: CN
Inventors: 廖友妹
Original assignee: Shanghai Zhongzhong Science And Education Equipment Co ltd
Current assignee: Shanghai Zhongzhong Science And Education Equipment Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-12-29
Anticipated expiration: 2030-02-26

Abstract

The utility model relates to a solid-liquid separation field especially relates to a chemical laboratory is with solid-liquid separation workstation, including the workstation body, the diapire fixedly connected with two sets of first connecting blocks in the workstation body, first connecting block passes through connecting rod fixedly connected with second connecting block, fixedly connected with third spring between the second connecting block, first connecting block top fixed mounting has the second spring, second spring top fixed connection has the diaphragm, the diaphragm bottom bilateral symmetry fixedly connected with two sets of third connecting blocks, the third connecting block with the second connecting block rotates to be connected, diaphragm top fixed mounting has the aspiration pump, aspiration pump output end fixed connection has the diplopore conversion head, diplopore conversion head fixed connection has the rubber tube; the utility model has the advantages that: set up the recess in the workstation, reuse the clamping bar and clip the buchner flask, dual guarantee has improved the stability of buchner flask.

Description

Solid-liquid separation workbench for chemical laboratory

Technical Field

The utility model relates to a solid-liquid separation field especially relates to a chemical laboratory is with solid-liquid separation workstation.

Background

In the course of experiments in the fields of chemistry, biology, medicine, etc., it is often necessary to subject liquids to filtration operations in order to obtain highly pure solutions or solids. Vacuum filtration is a common solid-liquid separation method, which utilizes negative pressure caused by air extraction to accelerate water filtration, and generally refers to an operation of passing a solution through a filter medium and intercepting solid particles and other substances under the action of external forces such as driving force and the like. Specifically, the vacuum filtration is to place the mixed solution in a buchner funnel with filter paper or filter cloth, the bottom of the buchner funnel is connected with a filtration bottle, negative pressure is formed by vacuumizing from the filtration bottle, liquid in the mixed solution is pressed into the filtration bottle, and filtrate in the filtration bottle needs to be transferred out after filtration is completed. When present vacuum filtration mainly has the suction filtration, because the buchner flask is the glass material, causes the instrument to destroy when moving the liquid easily.

Some suction filtration devices are designed for safer suction filtration operation, but some problems still exist in the device.

The Chinese patent application No. CN201720802335.4 discloses a suction flask and a vacuum suction filtration device, which comprises a suction flask body and a bracket; an opening is formed in the bottom of the filter flask body, a valve is arranged at the opening and is used for controlling the opening and closing of the opening; the support is used for placing the filter flask body, makes the bottom position of filter flask body be higher than place the planar position of filter flask, but this device still has the problem that there is filter flask poor stability among the suction filtration process.

Based on this, the utility model designs a chemistry experiment uses solid-liquid separation workstation in room to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists, the utility model provides a chemical laboratory is with solid-liquid separation workstation, the utility model provides a technical scheme sets up the recess in the workstation, is equipped with the clamping bar in the recess, and the filter flask is cliied to the clamping bar of recycling, has improved the stability of filter flask.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a solid-liquid separation workbench for a chemical laboratory comprises a workbench body, wherein two groups of first connecting blocks are fixedly connected to the inner bottom wall of the workbench body, the first connecting blocks are respectively and fixedly connected with second connecting blocks through connecting rods, third springs are fixedly connected between the second connecting blocks, second springs are fixedly mounted at the tops of the first connecting blocks, transverse plates are fixedly connected to the tops of the second springs, two groups of third connecting blocks are fixedly connected to the bottoms of the transverse plates in a bilateral symmetry manner, the third connecting blocks are rotatably connected with the second connecting blocks, an air suction pump is fixedly mounted at the top of the transverse plates, a double-hole conversion head is fixedly connected to the output end of the air suction pump, a rubber pipe is fixedly connected to the double-hole conversion head, a through hole is formed in the top of the workbench body, placing grooves are symmetrically formed in the top of the workbench body, grooves are formed in the outer sides, fixedly connected with axostylus axostyle between top and the interior bottom in the recess, the axostylus axostyle middle part rotates and is connected with the clamping bar, clamping bar outside both ends top fixedly connected with montant, fixedly connected with first spring between the clamping bar, workstation body top fixed mounting has electronic control panel.

Preferably, a filter flask is placed on the placing groove, a buchner funnel is placed at the top of the filter flask, and the rubber tube is fixedly connected with the filter flask through a through hole.

Preferably, an arc-shaped groove is formed in the top of the groove, and the vertical rod slides in the arc-shaped groove.

Preferably, the right side wall of the workbench body is provided with a vent.

Preferably, the electronic control panel is electrically connected with an external power supply, and the electronic control panel is electrically connected with the air pump.

(III) advantageous effects

Due to the adoption of the technical scheme, the beneficial effects are that: the utility model adopts the inside of the workbench body to be provided with the groove, and the clamping rod is arranged in the groove, so that the filtration bottle can be clamped, the stability of the filtration bottle in the decompression process is ensured, the device has simple structure and convenient operation, and the clamping rod is arranged inside the workbench body, thereby not only not influencing the beauty and the operation, but also improving the stability of the filtration bottle; the utility model discloses be provided with vibration damper bottom the aspiration pump, vibration damper comprises vertical second spring and horizontally third spring, and the stability of device improves greatly, and the damping is effectual, has prolonged the life of aspiration pump.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the clamping bar device of the present invention;

FIG. 4 is an enlarged schematic view of the groove structure of the present invention;

fig. 5 is a schematic diagram of the circuit connection of the present invention.

In the figure: 1-workbench body, 2-placing groove, 3-clamping rod, 4-ventilation opening, 5-first spring, 6-groove, 7-vertical rod, 8-suction flask, 9-distributed funnel, 10-through hole, 11-rubber tube, 12-double-hole conversion head, 13-shaft rod, 14-air pump, 15-transverse plate, 16-second spring, 17-first connecting block, 18-second connecting block, 19-third connecting block, 20-third spring, 21-electronic control panel and 22-arc groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A solid-liquid separation workbench for a chemical laboratory comprises a workbench body 1, wherein two groups of first connecting blocks 17 are fixedly connected to the inner bottom wall of the workbench body 1, the first connecting blocks 17 are fixedly connected with second connecting blocks 18 through connecting rods, third springs 20 are fixedly connected between the second connecting blocks 18, second springs 16 are fixedly mounted at the tops of the first connecting blocks 17, transverse plates 15 are fixedly connected to the tops of the second springs 16, two groups of third connecting blocks 19 are fixedly connected to the bottoms of the transverse plates 15 in a bilateral symmetry manner, the third connecting blocks 19 are rotatably connected with the second connecting blocks 18, air suction pumps 14 are fixedly mounted at the tops of the transverse plates 15, vibration damping devices are arranged at the bottoms of the air suction pumps 14 and consist of vertical second springs 19 and horizontal third springs 20, the stability of the device is greatly improved, the vibration damping effect is good, and the service life of the air suction pumps 14 is prolonged; the output end of the air pump 14 is fixedly connected with a double-hole conversion head 12, the double-hole conversion head 12 is fixedly connected with a rubber tube 11, the top of the workbench body 1 is provided with a through hole 10, the through hole 10 is symmetrically provided with placing grooves 2 at the top of the workbench body 1, the outer sides of the placing grooves 2 are provided with grooves 6, a shaft lever 13 is fixedly connected between the inner top and the inner bottom of each groove 6, the middle part of the shaft lever 13 is rotatably connected with a clamping rod 3, the tops of the two ends of the outer side of the clamping rod 3 are fixedly connected with vertical rods 7, a first spring 5 is fixedly connected between the clamping rods 3, the grooves 6 are arranged in the workbench body 1, can clamp the filter flask 8, ensures the stability of the filter flask 8 in the decompression process, has simple structure and convenient operation, the clamping rod 3 is arranged inside the workbench body 1, so that the appearance and the operation are not influenced, and the stability of the filter flask 8 can be improved; an electronic control panel 21 is fixedly arranged on the top of the workbench body 1.

Specifically, a filter flask 8 is placed on the placing groove 2, a buchner funnel 9 is placed at the top of the filter flask 8, and a rubber tube 11 is fixedly connected with the filter flask 8 through a through hole 10; the top of the groove 6 is provided with an arc-shaped groove 22, and the vertical rod 7 slides in the arc-shaped groove 22; the right side wall of the workbench body 1 is provided with a vent 4; the electronic control panel 21 is electrically connected with an external power supply, and the electronic control panel 21 is electrically connected with the air pump 14. The electronic control panel 21 is selected from TMA-4B-25A electronic control panel of Aiya control Co., Ltd, and the air pump 14 is 12V micro air pump of Shanghai Bing Pu fluid science and technology Co., Ltd.

The utility model provides a chemical laboratory is with solid-liquid separation workstation, its theory of operation is: an electronic balance, a test tube rack, a stirring bottle and a glass rod are placed on the workbench body 1, chemical articles can be weighed and stirred before solid-liquid separation, the suction flask 8 is placed in the placing groove 2, the vertical rod 7 in the groove 6 slides, the clamping rod 3 clamps the suction flask 8 tightly by utilizing the elastic action of the first spring 5, the groove 6 is formed in the workbench body 1, the clamping rod 3 is arranged in the groove 6, the suction flask 8 can be clamped, the stability of the suction flask 8 in the decompression process is ensured, the device is simple in structure and convenient to operate, the clamping rod 3 is arranged in the workbench body 1, the attractiveness and the operation are not influenced, and the stability of the suction flask 8 can be improved; place distributing type funnel 9 on buchner flask 8, placed moist filter paper in distributing type funnel 9, guarantee that rubber tube 11 is connected with the sealed of buchner flask 8 and diplopore crossover sub 12, electronic control panel 21 starts aspiration pump 14 work, and aspiration pump 14 can carry out the decompression to buchner flask 8 and handle, and at this moment, the solution that will dispose pours into buchner flask 8 from distributing type funnel 9 in, after suction filtration work, electronic control panel 21 closes aspiration pump 14. In addition, the damping device is fixedly connected to the bottom of the air extracting pump 14, when the air extracting pump 14 vibrates downwards, the two groups of vertical second springs 16 are compressed to drive the transverse third spring 20 to be compressed, the second springs 16 and the third springs 20 can drive the air extracting pump 14 to move upwards by elasticity, the damping device is arranged at the bottom of the air extracting pump 14 and consists of the vertical second springs 19 and the horizontal third springs 20, the stability of the device is greatly improved, the damping effect is good, and the service life of the air extracting pump 14 is prolonged. In addition, the materials inside the workbench body 1 are all sound insulation materials, so that the noise generated by the operation of the air pump 14 can be reduced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a chemical laboratory is with solid-liquid separation workstation, includes workstation body (1), its characterized in that: the worktable comprises a worktable body (1), wherein the inner bottom wall of the worktable body (1) is fixedly connected with two groups of first connecting blocks (17), the first connecting blocks (17) are respectively fixedly connected with second connecting blocks (18) through connecting rods, third springs (20) are fixedly connected between the second connecting blocks (18), the top of each first connecting block (17) is fixedly provided with a second spring (16), the top of each second spring (16) is fixedly connected with a transverse plate (15), the bottom of each transverse plate (15) is bilaterally and symmetrically fixedly connected with two groups of third connecting blocks (19), each third connecting block (19) is rotatably connected with the corresponding second connecting block (18), the top of each transverse plate (15) is fixedly provided with an air extracting pump (14), the output end of each air extracting pump (14) is fixedly connected with a double-hole conversion head (12), the double-hole conversion head (12) is fixedly connected with a rubber pipe (11), and the top of the worktable body, through-hole (10) have been seted up at workstation body (1) top symmetry and have been put groove (2), put groove (2) outside and seted up recess (6), fixedly connected with axostylus axostyle (13) between top and the interior bottom in recess (6), axostylus axostyle (13) middle part is rotated and is connected with clamping bar (3), clamping bar (3) outside both ends top fixedly connected with montant (7), the first spring of fixedly connected with (5) between clamping bar (3), workstation body (1) top fixed mounting has electronic control panel (21).

2. The solid-liquid separation workbench for the chemical laboratory according to claim 1, characterized in that: put buchner funnel (8) on putting groove (2), buchner funnel (9) have been placed at buchner funnel (8) top, rubber tube (11) are through-hole (10) and buchner funnel (8) fixed connection.

3. The solid-liquid separation workbench for the chemical laboratory according to claim 1, characterized in that: an arc-shaped groove (22) is formed in the top of the groove (6), and the vertical rod (7) slides in the arc-shaped groove (22).

4. The solid-liquid separation workbench for the chemical laboratory according to claim 1, characterized in that: the right side wall of the workbench body (1) is provided with a ventilation opening (4).

5. The solid-liquid separation workbench for the chemical laboratory according to claim 1, characterized in that: the electronic control panel (21) is electrically connected with an external power supply, and the electronic control panel (21) is electrically connected with the air pump (14).