CN218901885U

CN218901885U - Chemistry experiment safety arrangement

Info

Publication number: CN218901885U
Application number: CN202223346382.2U
Authority: CN
Inventors: 王爱琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-25
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of chemical experiments, in particular to a chemical experiment safety protection device, which comprises an experiment table, wherein a placing disc is rotationally connected to the outside of the experiment table, a worm wheel is fixedly connected to one side of the outside of the placing disc, a worm is meshed to one side of the outside of the worm wheel, a fixing frame is rotationally connected to the outside of the worm, a connecting rod is fixedly connected to one end of the worm, a driving motor is fixedly connected to one end of the connecting rod, and a mounting frame is sleeved outside the driving motor. The utility model has the advantages that: according to the chemical experiment safety protection device, the worm and the driving motor are arranged, so that the driving motor can conveniently drive the experiment cup to rotate after being electrified, an experimenter does not need to manually adjust the experiment cup, the strength is saved, and the consumption of physical energy is greatly reduced; through setting up the clamp splice, be convenient for carry out the centre gripping to it according to the size of experimental cup, make things convenient for the placing of multiple specification experimental cup, guarantee the stability of experimental cup, improved this chemical experiment safety arrangement's practicality.

Description

Chemistry experiment safety arrangement

Technical Field

The utility model relates to the technical field of chemical experiments, in particular to a chemical experiment safety protection device.

Background

The chemical research is the first key of ensuring safety, in experiments, different chemical reagents are often required to be mixed for reaction, a great amount of heat energy is released in certain reactions, scalding is easy to cause, for example, active metals such as sodium metal, potassium metal and the like react with water, quicklime reacts with water, and part of chemical reactions are easy to form splash to hurt experimental personnel, various potential safety hazards exist, in traditional Chinese medicine identification experiment analysis, such as elaeagnus pungens She Hupi essence and kaempferol thin layer identification experiments, sulfuric acid-ethanol solution is required to be used as a color reagent, and if no certain protective measures exist, liquid splash is easy to cause in the mixing of concentrated sulfuric acid and ethanol.

In order to avoid the damage to experimental operators caused by chemical experimental reaction, a safety protection device for chemical experiments is disclosed in Chinese patent publication No. CN201920761458.7, and the safety protection device protects the experimental operators through a transparent protective cover, and simultaneously, the upper rotary disc rotates through rotating the lower rotary disc to realize the mixing of solutions in an experimental container; however, in this patent, the experimenter needs to rotate at the bottom of the base, and in the actual operation process, this rotation mode is very physical and cannot be assisted, so that the experimenter is easy to feel sour during the operation process and the stirring is interrupted.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a chemical experiment safety protection device.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a chemistry experiment safety arrangement, includes the laboratory bench, the outside of laboratory bench rotates and is connected with places the dish, the outside one side fixedly connected with worm wheel of placing the dish, the outside one side meshing of worm wheel has the worm, the outside rotation of worm is connected with the mount, the one end fixedly connected with connecting rod of worm, the one end fixedly connected with driving motor of connecting rod, the mounting bracket has been cup jointed to driving motor's outside, the outside fixed mounting of mounting bracket has control button, the outside of placing the dish has seted up first spout, the outside sliding connection of first spout has the clamp splice, first chamfer has been seted up to the outside at the top of clamp splice, outside one side fixedly connected with first spring of clamp splice.

Preferably, the two sides of the outside of the worm wheel are fixedly connected with round shafts, the worm wheel is fixedly connected with the placing plate through the round shafts, and one side of the worm wheel is rotationally connected with the fixing frame.

Through adopting above-mentioned technical scheme, the worm wheel of being convenient for makes the placing plate can rotate after receiving the drive, and the stirring of solution in the experimental cup of being convenient for.

Preferably, a first round hole is formed in the outer portion of the fixing frame, and two ends of the worm are rotatably connected to one side of the outer portion of the fixing frame through the first round hole.

Through adopting above-mentioned technical scheme, the rotation of worm of being convenient for, make things convenient for the worm to get into operating condition at any time, guarantee the stability of worm when rotating.

Preferably, the driving motor is fixedly installed on one side of the outside of the experiment table through the installation frame, the output end of the driving motor is connected with the worm through the connecting rod, and the installation frame is fixedly installed on one side of the outside of the experiment table.

Through adopting above-mentioned technical scheme, be convenient for driving motor drives the worm rotation after the circular telegram, does not need the experimenter manual regulation, saves strength, facilitates the use.

Preferably, the number of the first sliding grooves is provided with a plurality of clamping blocks, and the clamping blocks are connected to one side of the outer portion of the placing plate in a sliding mode through the first sliding grooves.

Through adopting above-mentioned technical scheme, the slip of clamp splice of being convenient for makes the clamp splice can carry out the centre gripping to it according to the size of experimental cup, makes things convenient for multiple experimental cup stable to place on placing the dish.

Preferably, the number of the clamping blocks is provided with a plurality of clamping blocks, a chamfer angle is formed in one side of the outer portion of each clamping block, and the first spring is made of a tension spring.

Through adopting above-mentioned technical scheme, the experimental cup of being convenient for can insert between four clamp splice fast, makes things convenient for the placing of experimental cup, and the experimenter of being convenient for operates.

Preferably, the outside fixedly connected with protection casing of laboratory bench, the outside of protection casing rotates and is connected with the fender cover, the outside that keeps off the cover is provided with the funnel, the outside that keeps off the cover rotates and is connected with the puddler, the outside of placing the dish is provided with the experiment cup.

Through adopting above-mentioned technical scheme, be convenient for carry out effectual protection when doing the experiment, improve the security of experimenter when doing the experiment.

The utility model has the following advantages:

1. according to the chemical experiment safety protection device, when the chemical experiment safety protection device is used, the driving motor is started through the control button, the driving motor enters a working state after being electrified, the driving motor drives the worm to rotate outside the fixing frame through the connecting rod, the worm is meshed and connected with the worm wheel to drive the worm wheel to rotate, the worm wheel drives the placing plate to rotate, so that the experiment cup is driven to rotate outside the experiment table, the driving motor is convenient for driving the experiment cup to rotate after being electrified, an experimenter does not need to manually adjust, the strength is saved, the consumption of physical energy is greatly reduced, and the convenience of the chemical experiment safety protection device is improved;

2. this chemistry experiment safety arrangement, through setting up the clamp splice, when using, the clamp splice is through first spout sliding connection in outside one side of placing the dish, when needs place the experiment cup, make the bottom of experiment cup and the inboard one side laminating of first chamfer of clamp splice, press down the experiment cup this moment, the clamp splice receives the outside slip of propping the dish according to the size of experiment cup, under the effect of first spring, four clamp splice with the same power grip experiment cup, it is spacing to the experiment cup, the device is convenient for carry out the centre gripping to it according to the size of experiment cup, make things convenient for the placing of multiple specification experiment cup, guarantee the stability of experiment cup, thereby this chemistry experiment safety arrangement's practicality has been improved.

Drawings

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

FIG. 2 is a schematic view of a second operating state of the present utility model;

FIG. 3 is a schematic view of the structure of the placement tray and clamping blocks of the present utility model;

FIG. 4 is a schematic view of the worm and drive motor of the present utility model;

FIG. 5 is a schematic view of the structure of the clamping block and the first spring of the present utility model.

In the figure: the device comprises a 1-experiment table, a 2-placing plate, a 3-worm wheel, a 4-worm, a 5-fixing frame, a 6-connecting rod, a 7-driving motor, an 8-fixing frame, a 9-control button, a 10-first sliding groove, an 11-clamping block, a 12-first chamfer, a 13-first spring, a 14-protective cover, a 15-blocking cover, a 16-funnel, a 17-stirring rod and an 18-experiment cup.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1-5, a chemical experiment safety protection device comprises an experiment table 1, a placing disc 2 is rotatably connected to the outside of the experiment table 1, a cylinder is welded at the bottom of the placing disc 2, one end of the cylinder is welded with a round shaft on one side of a worm wheel 3, a worm wheel 3 is welded on the outside of the placing disc 2, round shafts are fixedly connected to two sides of the outside of the worm wheel 3, the worm wheel 3 is fixedly connected with the placing disc 2 through the round shafts, one side of the worm wheel 3 is rotatably connected with a fixing frame 5, a worm 4 is meshed on one side of the outside of the worm wheel 3, the outside of the worm 4 is rotatably connected with the fixing frame 5, a first round hole is formed in the outside of the fixing frame 5, two ends of the worm 4 are rotatably connected to one side of the fixing frame 5 through the first round hole, a connecting rod 6 is welded at one end of the worm 4, a driving motor 7 is welded at one end of the connecting rod 6, a mounting frame 8 is sleeved on the outside of the driving motor 7, the outside of the installation frame 8 is fixedly provided with a control button 9, the control button 9 is adhered to the top of the installation frame 8, the control button 9 is electrically connected with the driving motor 7 through an electric wire, an experimenter can conveniently stand in front of the experiment table 1 to operate, the experimenter can conveniently observe the experimental process in the experiment cup at any time, the outside of the placing tray 2 is provided with a first chute 10, the outside of the first chute 10 is slidingly connected with a clamping block 11, the outside of the top of the clamping block 11 is provided with a first chamfer 12, one side of the outside of the clamping block 11 is fixedly connected with a first spring 13, the number of the first chutes 10 is provided with a plurality of clamping blocks 11 which are slidingly connected to one side of the outside of the placing tray 2 through the first chute 10, the material of the first spring 13 is a tension spring, one end of the first spring 13 is welded with the clamping block 11, the other end is welded with the placing tray 2, the present embodiment uses such a connection method as welding, but is not limited thereto.

As a preferable technical scheme of the utility model, the mounting frame 8 is fixedly arranged on one side of the outside of the experiment table 1 through bolts, the driving motor 7 can be a constant-speed and slow-speed motor, the driving motor 7 is fixedly arranged on one side of the outside of the experiment table 1 through the mounting frame 8, and the output end of the driving motor 7 is connected with the worm 4 through the connecting rod 6.

As a preferable technical scheme of the utility model, a chamfer 12 is formed on one side of the outer part of each clamping block 11, a plurality of clamping blocks 11 are arranged, and the circumferential array of the clamping blocks 11 is arranged on one side of the outer part of the placing plate 2.

As a preferable technical scheme of the utility model, the outside of the experiment table 1 is fixedly connected with the protective cover 14, the outside of the protective cover 14 is rotationally connected with the baffle cover 15, the outside of the baffle cover 15 is provided with the funnel 16, the outside of the baffle cover 15 is rotationally connected with the stirring rod 17, the outside of the placing plate 2 is provided with the experiment cup 18, the materials of the protective cover 14 and the baffle cover 15 can be transparent glass materials, the experiment table 1, the stirring rod 17 and the funnel 16 are in the prior art, the working principle of the experiment table is not changed, and detailed description is not made.

The working process of the utility model is as follows:

s1, when in use, the baffle cover 15 is reversed outwards and opened, the experimental cup 18 is placed on the placing plate 2, and the clamping block 11 is connected to one side of the outer part of the placing plate 2 in a sliding way through the first sliding groove 10;

s2, when the experiment cup 18 needs to be placed, the bottom of the experiment cup 18 is attached to one surface of the first chamfer 12 on the inner side of the clamping block 11, the experiment cup 18 is pressed downwards, and the clamping block 11 slides outside the placing disc 2 under the supporting force according to the size of the experiment cup 18;

s3, under the action of the first spring 13, the four clamping blocks 11 clamp the experiment cup 18 with the same force, limit the experiment cup 18, close the shielding cover 18 at the moment, and pour the solution to be tested into the experiment cup 18 from the funnel 16;

s4, starting a driving motor 7 through a control button 9, enabling the driving motor 7 to enter a working state after being electrified, and enabling the driving motor 7 to drive the worm 4 to rotate outside the fixing frame 5 through a connecting rod 6;

s5, the worm 4 is meshed with the worm wheel 3 to drive the worm wheel 3 to rotate, the worm wheel 3 drives the placing plate 2 to rotate, so that the experimental cup 18 is driven to rotate outside the experiment table 1, the stirring rod 17 is used for stirring solution in the experimental cup 18, and the protective cover 14 and the baffle cover 15 are used for protecting the experimental cup 18, so that a chemical experiment is carried out.

In summary, through setting up worm 4 and driving motor 7, when using, start driving motor 7 through control button 9, driving motor 7 gets into operating condition after the circular telegram, driving motor 7 orders about worm 4 through connecting rod 6 and rotates in the outside of mount 5, meshing is connected between worm 4 and the worm wheel 3, drive worm wheel 3 and rotate, worm wheel 3 drives and places dish 2 and rotate, thereby drive experiment cup 18 and rotate outside laboratory bench 1, the device is convenient for driving motor orders about the experiment cup after circular telegram and rotates, do not need the manual regulation of experimenter, save effort, reduce the consumption of physical stamina greatly, thereby improved the convenience of this chemistry experiment safety protection device; through setting up clamp splice 11, when using, clamp splice 11 passes through first spout 10 sliding connection in outside one side of placing tray 2, when needs place experiment cup 18, make the bottom of experiment cup 18 laminate with the one side of the inboard first chamfer 12 of clamp splice 11, press down experiment cup 18 this moment, clamp splice 11 receives the external slip of bracing force at placing tray 2 according to the size of experiment cup 18, under the effect of first spring 13, four clamp splice 11 grasp experiment cup 18 with the same force, carry out spacing to experiment cup 18, the device is convenient for carry out the centre gripping according to experiment cup's size, the placing of multiple specification experiment cup is convenient, guarantee experiment cup's stability, thereby the practicality of this chemical experiment safety arrangement has been improved, the standard part that the utility model used all can be purchased from market, special-shaped piece all can be ordered according to the description of description and attached drawing, the concrete connected mode of each part all adopts the mature bolt in the prior art, rivet, conventional means such as welding, machinery, part and equipment all adopt among the prior art, conventional model, in addition, conventional circuit connection mode adopts this conventional mode in the prior art does not detail again.

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

Claims

1. A chemical experiment safety protection device is characterized in that: including laboratory bench (1), the outside of laboratory bench (1) rotates and is connected with places dish (2), the outside one side fixedly connected with worm wheel (3) of placing dish (2), the outside one side meshing of worm wheel (3) has worm (4), the outside of worm (4) rotates and is connected with mount (5), the one end fixedly connected with connecting rod (6) of worm (4), the one end fixedly connected with driving motor (7) of connecting rod (6), mounting bracket (8) have been cup jointed to the outside of driving motor (7), the outside fixed mounting of mounting bracket (8) has control button (9), first spout (10) have been seted up to the outside of placing dish (2), the outside sliding connection of first spout (10) has clamp splice (11), first chamfer (12) have been seted up to the outside at the top of clamp splice (11), the outside one side fixedly connected with first spring (13) of clamp splice (11).

2. A chemical experiment safety device according to claim 1, wherein: the worm wheel (3) is fixedly connected with round shafts at two sides outside, the worm wheel (3) is fixedly connected with the placing disc (2) through the round shafts, and one side of the worm wheel (3) is rotationally connected with the fixing frame (5).

3. A chemical experiment safety device according to claim 1, wherein: the outside of mount (5) has seted up first round hole, the both ends of worm (4) are rotated through first round hole and are connected in outside one side of mount (5).

4. A chemical experiment safety device according to claim 1, wherein: the driving motor (7) is fixedly arranged on one side of the outside of the experiment table (1) through the mounting frame (8), the output end of the driving motor (7) is connected with the worm (4) through the connecting rod (6), and the mounting frame (8) is fixedly arranged on one side of the outside of the experiment table (1).

5. A chemical experiment safety device according to claim 1, wherein: the number of the first sliding grooves (10) is provided with a plurality of clamping blocks (11) which are connected to one side of the outer part of the placing plate (2) in a sliding mode through the first sliding grooves (10).

6. A chemical experiment safety device according to claim 1, wherein: the number of the clamping blocks (11) is provided with a plurality of clamping blocks, a chamfer angle (12) is formed in one side of the outer portion of each clamping block (11), and the first springs (13) are made of tension springs.

7. A chemical experiment safety device according to claim 1, wherein: the outside fixedly connected with protection casing (14) of laboratory bench (1), the outside of protection casing (14) rotates and is connected with fender cover (15), the outside of fender cover (15) is provided with funnel (16), the outside of fender cover (15) rotates and is connected with puddler (17), the outside of placing dish (2) is provided with experiment cup (18).