CN211026426U - Laboratory bench for chemistry experiments - Google Patents
Laboratory bench for chemistry experiments Download PDFInfo
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- CN211026426U CN211026426U CN201922004372.2U CN201922004372U CN211026426U CN 211026426 U CN211026426 U CN 211026426U CN 201922004372 U CN201922004372 U CN 201922004372U CN 211026426 U CN211026426 U CN 211026426U
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- water collecting
- collecting tank
- water
- experiment
- chemical
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Abstract
The utility model provides a laboratory bench for chemistry experiments, this laboratory bench for chemistry experiments includes: a bench surface of the experiment table, and a fire extinguishing device; a vertical baffle is arranged at the rear side of the table top of the experiment table, and an illuminating lamp is arranged at one side of the baffle; the fire extinguishing device comprises a steel cylinder for storing liquid carbon dioxide, a gas transmission pipe connected with the steel cylinder, and a plurality of gas outlet nozzles arranged on the baffle plate; wherein, be provided with the solenoid valve in the gas-supply pipe, a plurality of shower nozzles of giving vent to anger all with the gas-supply pipe is linked together. The utility model has the advantages that: the purpose of bearing the instrument for the chemical experiment and carrying out the chemical experiment can be achieved through the arranged experiment table board; through the extinguishing device who sets up, can reach the purpose of putting out a fire when carrying out chemical experiment and taking place the conflagration.
Description
Technical Field
The utility model relates to teaching experiment apparatus technical field especially involves a laboratory bench for chemistry experiments.
Background
The chemical experiment operation table is a teaching device applied to a chemical experiment course, and can be used as a table top for demonstrating a series of chemical reactions for students on the chemical experiment operation table.
However, the laboratory tables for chemical experiments in the current market cannot rapidly collect the waste liquid generated by the chemical reaction, so that the waste liquid generated by the chemical reaction cannot be rapidly recovered; and when the laboratory bench for chemical experiments on the current market carries out combustion reaction, if the fire is out of control, effective fire extinguishing can not be carried out quickly.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, provide a laboratory bench for chemistry experiments.
The problem that the existing experiment table for chemical experiments cannot collect the generated waste liquid is solved; the problem of current test bench for chemistry experiments can't carry out effectual fire extinguishing fast when taking place to catch fire is solved simultaneously.
The utility model discloses a realize through following technical scheme:
the utility model provides a laboratory bench for chemistry experiments, this laboratory bench for chemistry experiments includes: a bench surface of the experiment table, and a fire extinguishing device;
a vertical baffle is arranged at the rear side of the table top of the experiment table, and an illuminating lamp is arranged at one side of the baffle;
the fire extinguishing device comprises a steel cylinder for storing liquid carbon dioxide, a gas transmission pipe connected with the steel cylinder, and a plurality of gas outlet nozzles arranged on the baffle plate; wherein, be provided with the solenoid valve in the gas-supply pipe, a plurality of shower nozzles of giving vent to anger all with the gas-supply pipe is linked together.
Preferably, the device also comprises a base with a hollow cavity, the base is connected with the table top of the experiment table, two vertical clapboards are arranged in the base, and the clapboards divide the cavity into a left placing cavity, a middle placing cavity and a right placing cavity.
Preferably, a water collecting tank is arranged on the left side of the experiment table top, a water outlet pipe is arranged on one side of the water collecting tank, the water outlet pipe is connected with a water delivery pipe, and one end, far away from the water outlet pipe, of the water delivery pipe is connected with an external water source; and a water outlet is formed in the bottom of the water collecting tank.
Preferably, the side wall of the base is hinged with a box door respectively at the positions corresponding to the left placing cavity, the middle placing cavity and the right placing cavity.
Preferably, a water collecting tank is arranged in the left placing cavity; a water collecting hopper communicated with the water collecting tank is arranged on the top plate of the water collecting tank; the bottom plate of the left placing cavity is provided with two parallel sliding grooves, and the bottom plate of the water collecting tank is provided with two sliding blocks which are in one-to-one correspondence with the two sliding grooves.
Preferably, a placing seat is arranged in the middle placing cavity, and a plurality of test tube holes and a plurality of beaker holes are formed in the placing seat.
Preferably, the steel cylinder is arranged in the right placing cavity.
The utility model has the advantages that: the purpose of bearing the instrument for the chemical experiment and carrying out the chemical experiment can be achieved through the arranged experiment table board; through the extinguishing device who sets up, can reach the purpose of putting out a fire when carrying out chemical experiment and taking place the conflagration.
Drawings
FIG. 1 is a schematic structural diagram of a chemical experiment bench according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a fire extinguishing apparatus of a chemical experiment laboratory bench provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a water collecting tank of a chemical experiment table provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a placing seat of a chemical experiment laboratory bench provided by the embodiment of the utility model.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Firstly, in order to facilitate understanding of the experiment table for the chemical experiment provided by the embodiment of the application, an application scenario of the experiment table is explained, the experiment table for the chemical experiment provided by the embodiment of the application is used for preventing instruments for the chemical experiment from carrying out the chemical experiment, can collect waste liquid generated by the chemical experiment and can extinguish a fire in time when a fire occurs in the chemical experiment process; the existing experiment table for chemical experiments cannot collect the generated waste liquid; and the existing test bed for chemical experiments can not quickly and effectively extinguish fire when fire occurs. The experiment table for chemical experiments provided in the embodiments of the present application is described below with reference to the accompanying drawings.
The utility model provides a laboratory bench for chemistry experiments, this laboratory bench for chemistry experiments is including the laboratory bench mesa 1 that is used for carrying out the chemistry experiments to and be used for putting out a fire extinguishing device when taking place to catch fire in the chemistry experiment process.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a chemical experiment laboratory bench according to an embodiment of the present invention. According to fig. 1, the device comprises a laboratory table top 1 for carrying out chemical experiments, wherein a vertical baffle 2 is fixedly connected to one side of the laboratory table top 1, when the baffle 2 is specifically arranged, the bottom end of the baffle 2 is fixedly connected with the rear side of the laboratory table top 1, an illuminating lamp 3 is connected to one side of the baffle 2 close to the laboratory table top 1, the illuminating lamp 3 is electrically connected with an external power supply, meanwhile, a control switch for controlling the illuminating lamp 3 is arranged on the side wall of the laboratory table top 1, and the control mode between the control switch and the illuminating lamp 3 is a control mode commonly used in the prior art; when carrying out the chemistry experiment under the darker condition of light, accessible control switch control light 3 circular telegrams are luminous to provide light and carry out the chemistry experiment with the support under the darker condition of light. With continued reference to fig. 1, a base 7 having a cavity is fixedly connected to the lower surface of the experiment table top 1, two vertical partition plates 8 are fixedly connected to the inside of the base 7, and the cavity of the base 7 is divided into a left placing cavity 9, a middle placing cavity 10 and a right placing cavity 11 by the two partition plates 8; the side wall of the base 7 is hinged with box doors respectively corresponding to the left placing cavity 9, the middle placing cavity 10 and the right placing cavity 11, and each box door is connected with a handle; wherein a water collecting tank 17 is arranged in the left placing cavity 9, and a placing seat 21 is arranged in the middle placing cavity 10. Continuing to refer to fig. 1, a water collecting tank 12 is arranged at a position of the experiment table top 1 corresponding to the left placing cavity 9, a water outlet 15 is arranged at the bottom of the water collecting tank 12, a water outlet pipe 13 is connected to one side of the water collecting tank 12, a water conveying pipe 14 connected with the water outlet pipe 13 is arranged in the experiment table top 1, and one end of the water conveying pipe 14 far away from the water outlet pipe 13 is connected with an external water source. Waste liquid generated in the chemical experiment can be poured into the water collecting tank 12, and the waste liquid flows into the water collecting tank 17 through the water outlet 15 to be collected; when experimental apparatus needs to be cleaned, the experimental apparatus can be placed into the water collecting tank 12, then an external water source is opened, and water at the external water source flows out from the water outlet pipe 13, so that the experimental apparatus in the water collecting tank 12 can be cleaned conveniently.
When specifically setting up water tank 17, can refer to fig. 3, fig. 3 is the utility model discloses embodiment provides a water tank's for chemical experiment laboratory bench structural schematic diagram. As can be seen from fig. 3, the top plate of the water collection tank 17 is communicated with the water collection bucket 18, and the sliders 20 are fixedly connected to both sides of the lower surface of the bottom plate of the water collection tank 18. With continued reference to fig. 1, the bottom plate of the left placement cavity 11 is provided with two sliding grooves 19 corresponding to the two sliding blocks 20 one to one. The water collecting tank 17 can be placed in the left placing cavity 9 through the mutual matching of the sliding block 20 and the sliding groove 19, and when the water collecting tank 17 is located in the left placing cavity 9, the water collecting hopper 18 is located right below the water outlet 15, and the cross section of the water collecting hopper 18 is larger than that of the water outlet 15, so that the waste liquid flowing out of the water outlet 15 can completely enter the water collecting hopper 18. When waste liquid in the water collecting tank 17 needs to be cleaned, the box door 16 corresponding to the left placing cavity 9 can be opened, then the water collecting tank 17 is taken out from the left placing cavity 9, then the water collecting tank 17 is inclined to discharge the waste liquid from the water collecting hopper 18 until the water collecting tank 17 is completely inverted, and therefore the purpose of cleaning the waste liquid in the water collecting tank 17 is achieved.
When specifically setting up and placing seat 21, can refer to fig. 4, fig. 4 is a schematic structural diagram of a placing seat of laboratory bench for chemistry experiments that the embodiment of the utility model provides. As shown in fig. 4, a plurality of test tube holes 22 are formed in the upper portion of the placement base 21, and test tubes can be inserted into the test tube holes 22 for storage; the upper portion of the placing base 21 is further provided with a plurality of beaker holes 23, and the beakers can be placed in the beaker holes 23 for storage.
Simultaneously, this application still includes the extinguishing device who is used for putting out a fire when catching fire, and extinguishing device can refer to figure 2 when specifically setting up, and figure 2 is the embodiment of the utility model provides a pair of extinguishing device's for chemistry experiments laboratory bench structure schematic diagram. According to fig. 2, the fire extinguishing device comprises a steel cylinder 4 for storing liquid carbon dioxide, the lower portion of the side wall of the steel cylinder 4 is communicated with a gas transmission pipe 5, one end, close to the steel cylinder 4, of the gas transmission pipe 5 is provided with an electromagnetic valve 24, and one end, far away from the steel cylinder 4, of the gas transmission pipe 5 is connected with a plurality of gas outlet nozzles 6. With reference to fig. 1, a plurality of air outlet nozzles 6 should be disposed on one side of the baffle 2 close to the table top 1 of the experiment table, and the air outlet direction of each air outlet nozzle 6 should face the table top 1 of the experiment table. When taking place to catch fire when carrying out the chemical experiment on laboratory bench mesa 1, can open solenoid valve 24, liquid carbon dioxide in the steel bottle 4 flows in gas-supply pipe 5 to become carbon dioxide gas rapidly, and finally spout towards laboratory bench mesa 1 through outlet nozzle 6, thereby utilize the carbon dioxide to put out a fire the position of catching fire on the laboratory bench mesa 1. In order to control the opening and closing of the electromagnetic valve 24 conveniently, a control switch for controlling the electromagnetic valve 24 may be arranged on the experiment table top 1, and the control mode between the control switch and the electromagnetic valve 24 is a control mode commonly used in the prior art. In order to prevent the control switch from being touched by mistake, a housing covering the control switch may be hinged on the table top 1 of the experiment table, and when a fire occurs, the housing may be lifted and then the control switch may be used. In order to conveniently supplement the carbon dioxide consumed in the steel cylinder 4, a liquid adding pipe can be connected to the upper part of the steel cylinder 4, and an electromagnetic valve is also arranged in the liquid adding pipe. When carbon dioxide needs to be supplemented into the steel cylinder 4, the liquid adding pipe can be connected with a device for supplementing carbon dioxide into the steel cylinder 4, and then an electromagnetic valve in the liquid adding pipe is opened, so that carbon dioxide is supplemented into the steel cylinder 4; and after the supplement is finished, closing the electromagnetic valve in the liquid adding pipe.
In the embodiment, the laboratory bench for chemistry experiments that this application embodiment provided can collect the waste liquid that chemistry experiments produced when carrying out chemistry experiments, can in time put out a fire when catching a fire simultaneously.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (7)
1. A laboratory bench for chemical experiments, comprising: a bench surface of the experiment table, and a fire extinguishing device;
a vertical baffle is arranged at the rear side of the table top of the experiment table, and an illuminating lamp is arranged at one side of the baffle;
the fire extinguishing device comprises a steel cylinder for storing liquid carbon dioxide, a gas transmission pipe connected with the steel cylinder, and a plurality of gas outlet nozzles arranged on the baffle plate; wherein, be provided with the solenoid valve in the gas-supply pipe, a plurality of shower nozzles of giving vent to anger all with the gas-supply pipe is linked together.
2. The laboratory table for chemical experiments as claimed in claim 1, further comprising a base having a hollow cavity, wherein the base is connected to the top of the laboratory table, two vertical partition plates are disposed in the base, and the two partition plates divide the cavity into a left placing cavity, a middle placing cavity, and a right placing cavity.
3. The experiment table for the chemical experiment as claimed in claim 1, wherein a water collecting tank is arranged on the left side of the experiment table top, a water outlet pipe is arranged on one side of the water collecting tank, the water outlet pipe is connected with a water delivery pipe, and one end of the water delivery pipe, which is far away from the water outlet pipe, is connected with an external water source; and a water outlet is formed in the bottom of the water collecting tank.
4. The laboratory bench of claim 2, wherein the side walls of the base are hinged with doors at positions corresponding to the left placement chamber, the middle placement chamber and the right placement chamber.
5. The chemical experiment table as claimed in claim 2, wherein a water collecting tank is arranged in the left placing cavity; a water collecting hopper communicated with the water collecting tank is arranged on the top plate of the water collecting tank; the bottom plate of the left placing cavity is provided with two parallel sliding grooves, and the bottom plate of the water collecting tank is provided with two sliding blocks which are in one-to-one correspondence with the two sliding grooves.
6. The chemical experiment table as claimed in claim 2, wherein a placing seat is arranged in the middle placing cavity, and a plurality of test tube holes and a plurality of beaker holes are formed in the placing seat.
7. A chemical laboratory bench according to claim 2, wherein said steel cylinder is disposed in said right placement chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004372.2U CN211026426U (en) | 2019-11-20 | 2019-11-20 | Laboratory bench for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004372.2U CN211026426U (en) | 2019-11-20 | 2019-11-20 | Laboratory bench for chemistry experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211026426U true CN211026426U (en) | 2020-07-17 |
Family
ID=71561341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004372.2U Expired - Fee Related CN211026426U (en) | 2019-11-20 | 2019-11-20 | Laboratory bench for chemistry experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211026426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517100A (en) * | 2020-12-01 | 2021-03-19 | 山东欧普科贸有限公司 | Chemical experiment table for students and use method |
-
2019
- 2019-11-20 CN CN201922004372.2U patent/CN211026426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517100A (en) * | 2020-12-01 | 2021-03-19 | 山东欧普科贸有限公司 | Chemical experiment table for students and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20211120 |