CN208727533U - A kind of novel and multifunctional gas collecting apparatus - Google Patents
A kind of novel and multifunctional gas collecting apparatus Download PDFInfo
- Publication number
- CN208727533U CN208727533U CN201821350985.0U CN201821350985U CN208727533U CN 208727533 U CN208727533 U CN 208727533U CN 201821350985 U CN201821350985 U CN 201821350985U CN 208727533 U CN208727533 U CN 208727533U
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- Prior art keywords
- test tube
- interface
- tube
- ring
- collecting apparatus
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Abstract
The utility model discloses a kind of novel and multifunctional gas collecting apparatus, including test tube, the first interface being in communication with the outside is provided on the side wall of test tube, it is in vitro provided with grass tube simultaneously, one end of the grass tube vertically extend into the bottom of test tube, the other end is communicated with the outside world horizontally through the side wall of test tube, the nozzle position for being located proximate to test tube of the first interface, the first interface is located at the top of grass tube, dismountable rubber stopper is provided at the nozzle of test tube, the one end of the rubber stopper cooperated with the nozzle of test tube is provided with annular groove, the nozzle of the test tube is inserted into annular groove.The gas collecting apparatus air-tightness is good, and can be used in a variety of different occasions.
Description
Technical field
The utility model relates to chemical apparatuses field, specifically a kind of novel and multifunctional gas collecting apparatus.
Background technique
In middle school chemistry, the preparation of gas is the important chemical experiment that must be grasped in middle school；In middle school chemical experiment
The experiments such as air-discharging method collects gas, gas property is examined, gas washing removal of impurities, will use grass tube, rubber stopper etc., between device
Connection also to use rubber catheter.
Common test method needs to assemble all kinds of experimental provisions, and rubber stopper needs to punch, time-consuming effort；It is carrying out in fact
When testing, the air-tightness of first check device, then removes the addition drug such as rubber stopper, conduit, this cumbersome, much time again
Power, and device tear recombination open again after cannot ensure that its air-tightness is centainly good, if it is the preparation and inspection of toxic and harmful gas,
There are security risks for this health to teachers and students；When preparing gas to solve experiment: component is more, assembling is laborious；Add drug not
It is convenient；It cannot be guaranteed that the problems such as air-tightness is good always in experimental provision regrouping process；We have proposed a kind of novel more function
It can gas collecting apparatus.
Utility model content
The purpose of this utility model is to provide a kind of novel and multifunctional gas collecting apparatus, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of novel and multifunctional gas collecting apparatus, including test tube, are provided with first to be in communication with the outside on the side wall of test tube
Interface, while it being in vitro provided with grass tube, one end of the grass tube vertically extend into the bottom of test tube, another
It holds and is communicated with the outside world horizontally through the side wall of test tube, the nozzle position for being located proximate to test tube of the first interface, described the
One interface is located at the top of grass tube, dismountable rubber stopper is provided at the nozzle of test tube, the rubber stopper with
One end of the nozzle cooperation of test tube is provided with annular groove, and the nozzle of the test tube is inserted into annular groove.
Preferably, the internal diameter of the annular groove is equal to or slightly greater than the internal diameter of test tube, the outer diameter of the annular groove be equal to or
It is slightly less than the outer diameter of test tube.
Preferably, the other end of the first interface and grass tube is separately positioned on the opposite two sides of test tube.
Preferably, the test tube and be located at first interface above be arranged with can move in a certain range it is anti-lost
Ring is fallen, the Anti-fall ring includes covering the ring body on test tube and referring to positioned at the first finger ring of the opposite two sides of ring body and second
Ring, first finger ring and the second finger ring are in the same plane and the plane at place is parallel to the axis of test tube.
Preferably, the ring body has the resilient rubbber cushion that is arranged on inner ring surface, the internal diameter of the ring body be equal to or
Person is slightly less than the outer diameter of test tube.
Compared with prior art, the utility model has the beneficial effects that
1. first interface and grass tube are provided on test tube, since test tube and first interface and grass tube are integrated
Structure can guarantee air-tightness in this way；Also, a variety of different feelings can be applicable in by the position of first interface and grass tube
Condition improves the utilization rate of the gas collecting apparatus；
2. rubber stopper is arranged at the nozzle of test tube, it is provided with annular groove on the rubber stopper, the nozzle of test tube is inserted into ring
In slot, sealing effect can be effectively improved by annular groove；
3. being provided with Anti-fall ring on test tube, the Anti-fall ring can cover on test tube up or down, by anti-lost
The convenient operation to test tube of ring is fallen, a possibility that test tube is fallen can be reduced.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of novel and multifunctional gas collecting apparatus；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the structure chart of rubber stopper；
Fig. 4 is the structure chart of Anti-fall ring.
Specific embodiment
Please refer to Fig. 1~4, in the utility model embodiment, a kind of novel and multifunctional gas collecting apparatus, including test tube 5, test tube
It is provided with the first interface 4 being in communication with the outside on 5 side wall, while being provided with grass tube 10 in test tube 5, the glass is led
One end of pipe 10 vertically extend into the bottom of test tube 5, and the other end is communicated with the outside world horizontally through the side wall of test tube 5, described
The nozzle position for being located proximate to test tube 5 of first interface 4, the first interface 4 are located at the top of grass tube 10.Gas can be with
Test tube 5 is entered by first interface 4, is then located at the extraneous other end from grass tube 10 and runs out of, can also be led from glass
Pipe 10 is located at the extraneous other end and enters, and then runs out of from first interface 4.
In order to facilitate connecting line, the other end of the first interface 4 and grass tube 10 is separately positioned on the phase of test tube 5
Pair two sides.
Dismountable rubber stopper 2 is provided at the nozzle of test tube 5, in the nozzle cooperation with test tube 5 of the rubber stopper 2
One end be provided with annular groove 21, the nozzle of the test tube 5 is inserted into annular groove 21.In order to guarantee sealing performance, the ring
The internal diameter of slot 21 is equal to or slightly greater than the internal diameter of test tube 5, and the outer diameter of the annular groove 21 is equal to or slightly less than the outer of test tube 5
Diameter.
The test tube 5 and be located at first interface 4 top be arranged with the Anti-fall ring that can be moved in a certain range
6.The Anti-fall ring 6 includes covering the ring body 602 on test tube 5 and the first finger ring 603 positioned at the opposite two sides of ring body 602
With the second finger ring 604, first finger ring 603 and the second finger ring 604 are in the same plane and the plane at place is parallel to test tube 5
Axis so that it is convenient to which hand is inserted into finger ring by user.Certainly, when in use, two fingers can be inserted into the simultaneously
In one finger ring 603 and the second finger ring 604, only a finger can also be plugged into a finger ring, i.e., made as needed
Use finger ring.It is also possible to realize the fixation to test tube 5 by the way that finger ring is fixed using other devices.
The ring body 602 has the resilient rubbber cushion 601 being arranged on inner ring surface, and the internal diameter of the ring body 602 is equal to
Or be slightly less than the outer diameter of test tube 5, in this way when by 602 sets of ring body on test tube 5 when, between test tube 5 and ring body 602 have one
Fixed pretightning force can just make ring body 602 mobile relative to test tube 5 only under certain effect power in this way, and then be able to maintain ring body
602 relative position on test tube 5.
The volume of liquid in test tube 5 is checked for convenience, and scale 7. can be set on the lateral wall of test tube 5
The working principle of the utility model is: working as the device as the device of collection gas in use, first according to gas
Density judge connection type, if it is due-in collection gas density be greater than air density, then by grass tube 10 be used as air inlet
Mouthful, first interface 4 is used as gas outlet；Otherwise it is due-in collection gas density be less than air density, then by first interface 4 as into
Port, grass tube 10 are used as gas outlet；When the device is used to examine the property of gas, selected first according to the purpose of gas
Experimental method, if examining a certain property of gas, then from the nozzle of test tube 5 be packed into needed for solution, the gas that need to be examined is from glass
Glass conduit 10 enters, and is discharged by first interface 4, and absorption plant is connected at first interface 4, and (such as carbon dioxide makes to clarify lime
Water-white muddiness)；When if desired examining multiple properties of gas, while multiple present apparatus are used, and successively added into each test tube 5
Enter the different solutions for inspection, then enter according to gas from grass tube 10, is carried out by the principle that first interface 4 is discharged
It connects, is fixedly connected between neighboring devices by rubber catheter, while being connected in the gas outlet of the last one property checking
Absorption plant (a series of inspections of chemical property of such as sulfur dioxide)；When the device is for gas washing removal of impurities experiment, such as wash
The hydrogen chloride gas in chlorine is removed, is packed into saturated sodium chloride solution in test tube 5, chlorine enters from grass tube 10, by the
One interface 4 is discharged, and connects other devices at first interface 4.
Claims (5)
1. a kind of novel and multifunctional gas collecting apparatus, including test tube, which is characterized in that be provided on the side wall of test tube and connect with extraneous
Logical first interface, while it being in vitro provided with grass tube, one end of the grass tube vertically extend into test tube
Bottom, the other end are communicated with the outside world horizontally through the side wall of test tube, the nozzle position for being located proximate to test tube of the first interface
It sets, and the first interface is located at the top of grass tube, and dismountable rubber stopper is provided at the nozzle of test tube, in institute
The one end cooperated with the nozzle of test tube for stating rubber stopper is provided with annular groove, and the nozzle of the test tube is inserted into annular groove.
2. a kind of novel and multifunctional gas collecting apparatus according to claim 1, which is characterized in that the internal diameter of the annular groove is equal to
Or the internal diameter slightly larger than test tube, the outer diameter of the annular groove are equal to or slightly less than the outer diameter of test tube.
3. a kind of novel and multifunctional gas collecting apparatus according to claim 1, which is characterized in that the first interface and glass
The other end of conduit is separately positioned on the opposite two sides of test tube.
4. a kind of novel and multifunctional gas collecting apparatus according to claim 1, which is characterized in that the test tube and be located at
The Anti-fall ring that can be moved in a certain range is arranged with above first interface, the Anti-fall ring includes covering on test tube
Ring body and the first finger ring and the second finger ring positioned at the opposite two sides of ring body, first finger ring and the second finger ring are same flat
The plane on face and place is parallel to the axis of test tube.
5. a kind of novel and multifunctional gas collecting apparatus according to claim 4, which is characterized in that there is the ring body setting to exist
The internal diameter of resilient rubbber cushion on inner ring surface, the ring body is equal to or slightly less than the outer diameter of test tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821350985.0U CN208727533U (en) | 2018-08-22 | 2018-08-22 | A kind of novel and multifunctional gas collecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821350985.0U CN208727533U (en) | 2018-08-22 | 2018-08-22 | A kind of novel and multifunctional gas collecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208727533U true CN208727533U (en) | 2019-04-12 |
Family
ID=66030490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821350985.0U Expired - Fee Related CN208727533U (en) | 2018-08-22 | 2018-08-22 | A kind of novel and multifunctional gas collecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208727533U (en) |
-
2018
- 2018-08-22 CN CN201821350985.0U patent/CN208727533U/en not_active Expired - Fee Related
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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: 20190412 Termination date: 20190822 |