CN210079569U

CN210079569U - Laboratory gas collection device

Info

Publication number: CN210079569U
Application number: CN201920320631.XU
Authority: CN
Inventors: 陈旭东; 宋丽冰; 赵静; 李季; 齐喆; 陈仙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-14
Filing date: 2019-03-14
Publication date: 2020-02-18
Anticipated expiration: 2029-03-14

Abstract

The utility model relates to the technical field of gas collection, and discloses a laboratory gas collection device, which comprises a reaction bottle, wherein the top of the reaction bottle is detachably connected with a cork, a dropper is arranged above the cork, the bottom of the dropper runs through the cork and is positioned inside the reaction bottle, and a first conduit is arranged above the cork and close to the dropper; through fixing in the intermediate layer of gas collecting tank and holding the pipe, and at the inside coolant liquid of filling that holds the pipe, rotate through clockwork spring at the internal surface top of gas collecting tank simultaneously and connect sealed lid, after gaseous collection finishes, clockwork spring's resilience force, the drive that can be quick is not sealed and is rotated, thereby seal the gas collecting tank, avoid gaseous emergence to leak, the coolant liquid in the pipe that holds in the gas collecting tank intermediate layer simultaneously, can continuously cool down to the gas in the gas collecting tank, avoid under the environment of high temperature, gas expansion, lead to the cracked condition of gas collecting tank to take place.

Description

Laboratory gas collection device

Technical Field

The utility model relates to a gas collection technical field specifically is a laboratory gas collection device.

Background

In the chemistry teaching of middle school, the teacher can generally lead the student to carry out the chemistry experiment in the laboratory, but when carrying out the chemistry experiment, often has gaseous production, and the teacher requires the student to collect gas reserve usually, but current gas collecting device, generally through collect gas easily through glass such as test tube.

The prior art also has the following technical problems:

(1) after the gas that will produce is collected through glass container such as test tube, generally place aside and reserve, but glass such as test tube is easy when the temperature is higher, can not carry out long-time storage to produced gas, leads to glass such as test tube to take place the danger of breaking easily, leads to gas to take place to leak simultaneously easily to the polluted environment.

(2) When carrying out gas collection, the device is generally directly placed on the test bench, when the device was knocked down to the student of current carelessness, leads to the device to appear empting easily to lead to the termination of gas collection process, can lead to chemical pollution laboratory table simultaneously.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a laboratory gas collection device has solved current gas collection device, can not carry out long-time storage to gas in the environment of high temperature, leads to gas leakage easily, and current gas collection device takes place the problem of empting easily under the effect that receives the external force.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a laboratory gas collection device comprises a reaction bottle, wherein a cork is detachably connected to the top of the reaction bottle, a dropper is arranged above the cork, the bottom of the dropper penetrates through the cork and is positioned inside the reaction bottle, a first conduit is arranged above the cork and close to the dropper, the bottom of the first conduit penetrates through the cork and is positioned inside the reaction bottle, a rubber hose is detachably connected to the top of the first conduit, a gas collection tank is arranged on one side of the reaction bottle, a through hole is formed in the center of the upper surface of the gas collection tank, one end, away from the first conduit, of the rubber hose is detachably connected with a second conduit, the bottom of the second conduit penetrates through the through hole and is positioned inside the gas collection tank, and a sealing cover is rotatably connected to the top of the inner surface of the gas collection tank and close to the second conduit, a clockwork spring is fixed at the joint of the sealing cover and the gas collecting tank, and a rubber sheet is fixed on the outer surface of the sealing cover.

Preferably, a containing tank is fixed on the top of the dropper, the bottom of the containing tank is communicated with the top of the dropper, and a piston is fixed on the outer surface of the dropper.

Preferably, a rubber ring is fixed on the inner surface of the through hole, and the inner surface of the rubber ring is tightly attached to the outer surface of the second conduit.

Preferably, the gas collection tank is of a double-layer structure, an accommodating pipe is fixed in an interlayer of the gas collection tank, and cooling liquid is filled in the accommodating pipe.

Preferably, the reaction bottle with the bottom of gas collection tank is equipped with a bottom plate, four corners of the lower surface of bottom plate all are fixed with the sucking disc, just a plurality of spouts have been seted up to the upper surface of bottom plate, just the upper surface of bottom plate is through a plurality of spout sliding connection has a plurality of fixed blocks, and is a plurality of the inside of spout all is equipped with expanding spring, expanding spring's one end with internal surface one side welded fastening of spout, just expanding spring's opposite side with one side welded fastening of fixed block is a plurality of the fixed block evenly divide into two sets ofly, every group the quantity of fixed block is two, the reaction bottle with the gas collection tank is located two of every group respectively between the fixed block.

Preferably, the outer side walls of the fixing blocks are fixed with rubber gaskets.

(III) advantageous effects

The utility model provides a laboratory gas collection device possesses following beneficial effect:

(1) the utility model discloses a fixed pipe that holds in the intermediate layer of gas collecting tank, and the inside coolant liquid of filling that holds the pipe, rotate through clockwork spring at the internal surface top of gas collecting tank simultaneously and connect sealed lid, after gaseous collection finishes, clockwork spring's resilience force, the drive that can be quick does not seal the lid and rotates, thereby seal the gas collecting tank, avoid gaseous emergence to leak, the coolant liquid in the pipe that holds in the gas collecting tank intermediate layer simultaneously, can continuously cool down to the gas in the gas collecting tank, avoid under the environment of high temperature, gaseous inflation, the condition that leads to the gas collecting tank to rupture takes place.

(2) The utility model discloses a bottom that sets up at reaction flask and gas collection tank sets up the bottom plate to sliding surface connects a plurality of fixed blocks on the bottom plate, fixed expanding spring between fixed block and the spout, can place reaction flask and gas collection tank between two liang of fixed blocks, through the elasticity of expanding spring to the fixed block, thereby can fix reaction flask or gas collection tank through the fixed block, four sucking discs of bottom plate lower surface simultaneously, can be with firm the fixing on the experiment table of whole device, avoid under the effect that receives the external force, the condition of empting appears.

Drawings

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

fig. 2 is a schematic top view of the middle bottom plate of the present invention;

fig. 3 is a schematic view of the overlooking structure of the middle gas collecting tank of the utility model.

In the figure: 1. a base plate; 2. a reaction bottle; 3. a cork stopper; 4. a dropper; 5. a first conduit; 6. a rubber hose; 7. a gas collection tank; 8. a second conduit; 9. accommodating the tube; 10. a sealing cover; 11. a fixed block; 12. a suction cup; 13. a chute; 14. a tension spring; 15. a rubber gasket; 16. a through hole; 17. a rubber ring.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a laboratory gas collecting device comprises a reaction bottle 2, the top of the reaction bottle 2 is detachably connected with a cork 3, a dropper 4 is arranged above the cork 3, the bottom of the dropper 4 penetrates through the cork 3 and is positioned inside the reaction bottle 2, a first conduit 5 is arranged above the cork 3 and close to the dropper 4, the bottom of the first conduit 5 penetrates through the cork 3 and is positioned inside the reaction bottle 2, the top of the first conduit 5 is detachably connected with a rubber hose 6, a gas collecting tank 7 is arranged on one side of the reaction bottle 2, a through hole 16 is arranged at the center of the upper surface of the gas collecting tank 7, one end of the rubber hose 6, far away from the first conduit 5, is detachably connected with a second conduit 8, the bottom end of the second conduit 8 penetrates through the through hole 16 and is positioned inside the gas collecting tank 7, a sealing cover 10 is rotatably connected at the top of the inner surface of the gas collecting tank 7 and close to the second conduit 8, a clockwork spring is fixed at the joint of the sealing cover, and the external surface of sealed lid 10 is fixed with the sheet rubber, through first pipe 5, when rubber hose 6 and second pipe 8 collect gas in gas collection tank 7, resilience force through the clockwork spring fixed between gas collection tank 7 and the sealed lid 10, thereby can drive the quick rotation of sealed lid 10, and through the sheet rubber on the sealed lid 10, thereby can seal gas collection tank 7, avoid in the storage, the condition of gas leakage appears taking place, simultaneously when storing, the coolant liquid in the gas collection tank 7 intermediate layer that holds in the pipe 9 can carry out the cooling that lasts to gas, avoid in the environment of high temperature, the inflation appears in gas, thereby lead to gas collection tank 7 the condition that breaks to appear.

Furthermore, a containing tank is fixed on the top of the dropper 4, the bottom of the containing tank is communicated with the top of the dropper 4, a piston is fixed on the outer surface of the dropper 4, chemical agents can be led into the containing tank in advance, and the rate of chemical reaction can be controlled through the control of the piston, so that the rate of gas collection can be controlled.

Further, the internal surface of through-hole 16 is fixed with rubber ring 17, and the internal surface of rubber ring 17 closely laminates with the surface of second pipe 8, and when carrying out gas collection, closely laminating between rubber ring 17 and the second pipe 8 can play sealed effect to avoid when collecting, the gas leakage appears, thereby the circumstances of polluted environment takes place.

Further, gas collecting tank 7 is bilayer structure, and is fixed with in the intermediate layer of gas collecting tank 7 and holds pipe 9, and the inside packing that holds pipe 9 has the coolant liquid, finishes when gas collection when storing under high temperature environment, can carry out the cooling that lasts for the gas in the gas collecting tank 7 through the coolant liquid that holds in the pipe 9.

Further, a bottom plate 1 is arranged at the bottom of the reaction bottle 2 and the gas collecting tank 7, suckers 12 are fixed at four corners of the lower surface of the bottom plate 1, a plurality of sliding grooves 13 are formed in the upper surface of the bottom plate 1, a plurality of fixing blocks 11 are connected to the upper surface of the bottom plate 1 in a sliding mode through the sliding grooves 13, extension springs 14 are arranged inside the sliding grooves 13, one ends of the extension springs 14 are fixedly welded to one sides of the inner surfaces of the sliding grooves 13, the other sides of the extension springs 14 are fixedly welded to one sides of the fixing blocks 11, the fixing blocks 11 are divided into two groups, the number of the fixing blocks 11 in each group is two, the reaction bottle 2 and the gas collecting tank 7 are respectively located between the two fixing blocks 11 in each group, the reaction bottle 2 and the gas collecting tank 7 can be firmly fixed on the bottom plate 1 through the elasticity of the extension springs 14 to the fixing blocks 11, and the bottom, thereby can fix whole gas collecting device on the experiment table, avoid receiving under the effect of external force, the condition emergence that whole device appears empting.

Further, all be fixed with rubber gasket 15 on the lateral wall of a plurality of fixed blocks 11, when fixing reaction flask 2 and gas collection tank 7 through fixed block 11, rubber gasket 15 can protect reaction flask 2 and gas collection tank 7.

To sum up, the utility model discloses a work flow: when in use, the elastic force of the expansion spring 14 to the fixing block 11 is utilized, so that the reaction bottle 2 and the gas collecting tank 7 can be firmly fixed on the bottom plate 1, meanwhile, the bottom plate 1 can be firmly fixed on the experiment table through the four suckers 12, so that the whole gas collecting device can be fixed on the experiment table, the situation that the whole device is toppled over under the action of external force is avoided, then when the gas is collected in the gas collecting tank 7 through the first conduit 5, the rubber hose 6 and the second conduit 8, the resilience force of the spring fixed between the gas collecting tank 7 and the sealing cover 10 is utilized, so that the sealing cover 10 can be driven to rotate rapidly, and through the rubber sheet on the sealing cover 10, the gas collecting tank 7 can be sealed, the situation that the gas is leaked in storage is avoided, and meanwhile, when in storage, the coolant liquid in the holding pipe 9 in the gas collection tank 7 interlayer can continuously cool the gas, and the gas is prevented from expanding in a high-temperature environment, so that the gas collection tank 7 is broken.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A laboratory gas collection device, includes reaction flask (2), its characterized in that: the top of the reaction bottle (2) is detachably connected with a cork (3), a dropper (4) is arranged above the cork (3), the bottom of the dropper (4) penetrates through the cork (3) and is positioned inside the reaction bottle (2), a first conduit (5) is arranged above the cork (3) and close to the dropper (4), the bottom of the first conduit (5) penetrates through the cork (3) and is positioned inside the reaction bottle (2), the top of the first conduit (5) is detachably connected with a rubber hose (6), a gas collection tank (7) is arranged on one side of the reaction bottle (2), a through hole (16) is formed in the center of the upper surface of the gas collection tank (7), one end, far away from the first conduit (5), of the rubber hose (6) is detachably connected with a second conduit (8), the bottom end of the second conduit (8) penetrates through the through hole (16) and is positioned inside the gas collection tank (7), the top of the inner surface of the gas collection tank (7) is rotatably connected with a sealing cover (10) close to the second guide pipe (8), a spring is fixed at the joint of the sealing cover (10) and the gas collection tank (7), and a rubber sheet is fixed on the outer surface of the sealing cover (10).

2. A laboratory gas collection apparatus according to claim 1, wherein: a containing tank is fixed on the top of the dropper (4), the bottom of the containing tank is communicated with the top of the dropper (4), and a piston is fixed on the outer surface of the dropper (4).

3. A laboratory gas collection apparatus according to claim 1, wherein: and a rubber ring (17) is fixed on the inner surface of the through hole (16), and the inner surface of the rubber ring (17) is tightly attached to the outer surface of the second conduit (8).

4. A laboratory gas collection apparatus according to claim 1, wherein: the gas collection tank (7) is of a double-layer structure, a containing pipe (9) is fixed in an interlayer of the gas collection tank (7), and cooling liquid is filled in the containing pipe (9).

5. A laboratory gas collection apparatus according to claim 1, wherein: the bottoms of the reaction bottle (2) and the gas collecting tank (7) are provided with a bottom plate (1), four corners of the lower surface of the bottom plate (1) are respectively fixed with a sucker (12), a plurality of sliding chutes (13) are formed in the upper surface of the bottom plate (1), a plurality of fixed blocks (11) are connected to the upper surface of the bottom plate (1) in a sliding mode through the sliding chutes (13), telescopic springs (14) are arranged inside the sliding chutes (13), one end of the expansion spring (14) is welded and fixed with one side of the inner surface of the sliding chute (13), the other side of the extension spring (14) is welded and fixed with one side of the fixed block (11), the fixed blocks (11) are evenly divided into two groups, the number of the fixed blocks (11) in each group is two, the reaction bottle (2) and the gas collection tank (7) are respectively positioned between each two fixed blocks (11).

6. A laboratory gas collection apparatus according to claim 5, wherein: and rubber gaskets (15) are fixed on the outer side walls of the fixing blocks (11).