CN208194359U

CN208194359U - A kind of chemical experiment gas generator

Info

Publication number: CN208194359U
Application number: CN201820517269.0U
Authority: CN
Inventors: 庞勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2018-12-07
Anticipated expiration: 2028-04-12

Abstract

The utility model belongs to chemical devices technical field, more particularly to a kind of chemical experiment gas generator, including pedestal, pillar and fixing clamp, the vertically-mounted pillar in one end of the pedestal, the pillar is cased with the fixing clamp slided up and down, the tail end of the fixing clamp connection test tube clamp, the position holding test tubes of the nearly head end of the test tube clamp, rubber stopper is installed in the test tube, the circumferential direction and inboard wall of test tube of the rubber stopper are interference fitted, the center of the rubber stopper is provided with venthole, the vertically-mounted push-pull rod of the central axis of the rubber stopper, the central axis of the push-pull rod is the hollow passageway that gas is discharged, handle is arranged in the top of the push-pull rod, the center of the handle is provided with venthole, hose is fixedly mounted in the upper surface of the handle；The lower surface of the rubber stopper is uniformly arranged several connecting rods, and the connecting rod connection contains device, solves the problems, such as that preparing purer gas needs to be discharged many gases and prepare gas process and can not interrupt.

Description

A kind of chemical experiment gas generator

Technical field

The utility model belongs to chemical devices technical field, and in particular to a kind of chemical experiment gas generator.

Background technique

Experiment in middle school often uses gas generating unit, tests for preparing gas, and using most is exactly pass through Catalyst acts on to carry out the preparation of gas, and catalyst has the advantages that preparation speed is fast, can be recycled.But for learning The requirement of amount for holding gas preparation or highly difficult is said from birth, so needing one kind that can prepare at any time, stops system at any time Standby utensil；It in addition is exactly to be frequently necessary to use the mode of exhaust first by the gas in utensil, conduit when preparing purer gas Purer gas could be prepared by draining, and it is one for student that the gas of discharge, which reaches and how much can just obtain purer gas, The problem of being difficult, so the device of gas in conduit need to be drained to mitigate the difficulty of student by needing a kind of.

Utility model content

The technical problems to be solved in the utility model is to prepare purer gas to need to be discharged many gases and prepare gas The problem of process can not interrupt.

To solve the above-mentioned problems, the utility model provides a kind of chemical experiment gas generator to solve above-mentioned ask Topic, specific technical solution are as follows: a kind of chemical experiment gas generator, including pedestal, pillar and fixing clamp, and the one of the pedestal Vertically-mounted pillar is held, the pillar is cased with the fixing clamp slided up and down, and the fixing clamp is fixedly connected with the tail end of test tube clamp, institute The test tube of gas occurs for the position clamping for stating the nearly head end of test tube clamp, installs rubber stopper, the circumferential direction of the rubber stopper in the test tube It is interference fitted with inboard wall of test tube, the center of the rubber stopper is provided with venthole, the vertically-mounted push-and-pull of the central axis of the rubber stopper Bar, the central axis of the push-pull rod are the hollow passageway that gas is discharged, and handle is arranged in the top of the push-pull rod, the handle Center is provided with venthole, and hose is fixedly mounted in the upper surface of the handle；If the lower surface of the rubber stopper is uniformly arranged involvement The splendid attire device of solid catalyst is placed in bar, the connecting rod connection.

The splendid attire device includes solid disc and water leakage disk, and the solid disc and water leakage disk form spherical crown, the splendid attire dress Solid disc is installed at the center set, edge installation has the leak ring of leakage hole, and the solid disc is equipped with solid catalyst.

The water proof net that setting stops water mist to rise in the venthole at the rubber stopper center；The ventilation at the rubber stopper center Hole, the hollow passageway of push-pull rod, handle venthole be connected to hose.

The one circle gap of circumferential setting of the rubber stopper, the gap is in the centre of rubber stopper thickness direction.

Need to be discharged asking for bulk gas compared with the pure gas incipient stage the beneficial effects of the utility model are: solving preparation Topic is held convenient for student, improves the clarity of the gas of student's preparation；Next can be interrupted during preparing gas, with When preparation, terminate at any time, be no longer result in the perplexed flurried scene of student.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model optimum embodiment；

Fig. 2 is the splendid attire apparatus structure schematic diagram of the utility model optimum embodiment；

In figure: 1- pedestal, 2- pillar, 3- fixing clamp, 4- test tube clamp, 5- hose, 6- handle, 7- push-pull rod, 8- test tube, 9- Rubber stopper, 10- water proof net, 11- connecting rod, 12- solid catalyst, 13- splendid attire device, 14- water leakage disk, the gap 15-, 16- are solid Disk, 17- leakage hole.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.On the contrary, the embodiments of the present invention include falling into owning within the scope of the spirit and intension of attached claims Variation, modification and equivalent.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

As shown in Figure 1, the utility model provides a kind of chemical experiment gas generator, including pedestal 1, pillar 2 and solid Clamp 3, the vertically-mounted pillar 2 in one end of the pedestal 1, the pillar 2 are cased with the fixing clamp 3 slided up and down, the fixing clamp 3 It is fixedly connected with the tail end of test tube clamp 4, the test tube 8 of gas occurs for the position clamping of the nearly head end of the test tube clamp 4, in the test tube 8 Rubber stopper 9 is installed, the circumferential direction and 8 inner wall of test tube of the rubber stopper 9 are interference fitted, and the center of the rubber stopper 9 is provided with venthole, The vertically-mounted push-pull rod 7 of the central axis of the rubber stopper 9, the central axis of the push-pull rod 7 are the hollow passageway that gas is discharged, institute The top setting handle 6 of push-pull rod 7 is stated, the center of the handle 6 is provided with venthole, and the upper surface of the handle 6 is fixedly mounted Hose 5；The lower surface of the rubber stopper 9 is uniformly arranged several connecting rods 11, and solid catalyst 12 is placed in the connection of connecting rod 11 Contain device 13.

The working principle of the utility model is: the effect of pedestal 1, pillar 2 and fixing clamp 3 is to support and fix entire dress It sets, when experiment, first solid catalyst 12 is added in solid disc 16, suitable gas preparation solution is then added into test tube 8, Then rubber stopper 9 is filled in into test tube 8, crawl handle 6 pushes down on always rubber stopper 9, until the lower surface of rubber stopper 9 is close to gas The liquid level of body preparation solution, solid catalyst 12 has been immersed in gas preparation solution at this time, and gas preparation starts, and gas generates speed It can enter in conduit with water mist when spending fast, water proof net 10 can stop the entrance of water mist at this time；15 meeting of gap on rubber stopper 9 The air-tightness for increasing device, when needing to terminate preparation, as long as crawl handle 6 pulls rubber stopper 9 to move up, Zhi Daogu Body catalyst 12 is detached from liquid level, reaction terminating.When leakage hole 17 on water leakage disk 14 can be such that splendid attire device 13 moves in a liquid Not by resistance.

As shown in Fig. 2, the splendid attire device 13 includes solid disc 16 and water leakage disk 14, the solid disc 16 and water leakage disk 14 Spherical crown is formed, the center installation solid disc 16 for containing device 13, edge installation have the leak ring of leakage hole 17, the reality Cartridge 16 is equipped with solid catalyst 12.The effect of solid disc 16 is load bearing solid catalyst 12, water leakage disk 14 can allow liquid from Device 13 is contained by passing through, convenient for being placed and taken out for solid catalyst 12.

The water proof net 10 that setting stops water mist to rise in the venthole at 9 center of rubber stopper；9 center of rubber stopper Venthole, the hollow passageway of push-pull rod 7, handle 6 venthole be connected to hose 5.

The one circle gap 15 of circumferential setting of the rubber stopper 9, the gap 15 is in rubber stopper, the centre of 9 thickness directions.It is empty The design of gap 15 can increase air-tightness, and the gas for placing preparation is overflowed from the circumferential direction of rubber stopper 9.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of the term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims

1. a kind of chemical experiment gas generator, including pedestal (1), pillar (2) and fixing clamp (3), one end of the pedestal (1) Vertically-mounted pillar (2), the pillar (2) are cased with the fixing clamp (3) slided up and down, and the fixing clamp (3) is fixedly connected with test tube The tail end of (4) is pressed from both sides, the test tube (8) of gas occurs for the position clamping of the nearly head end of the test tube clamp (4), it is characterised in that: the examination It manages in (8) and rubber stopper (9) is installed, the circumferential direction and test tube (8) inner wall of the rubber stopper (9) are interference fitted, the rubber stopper (9) Center is provided with venthole, and the central axis of the vertically-mounted push-pull rod of central axis (7) of the rubber stopper (9), the push-pull rod (7) is The hollow passageway of gas is discharged, handle (6) are arranged in the top of the push-pull rod (7), and the center of the handle (6) is provided with ventilation Hose (5) are fixedly mounted in the upper surface in hole, the handle (6)；The lower surface of the rubber stopper (9) is uniformly arranged several connecting rods (11), the splendid attire device (13) of solid catalyst (12) is placed in connecting rod (11) connection.

2. a kind of chemical experiment gas generator according to claim 1, it is characterised in that: splendid attire device (13) packet Solid disc (16) and water leakage disk (14) are included, the solid disc (16) and water leakage disk (14) form spherical crown, the splendid attire device (13) Center installation solid disc (16), edge installation have the leak ring of leakage hole (17), the solid disc (16) urges equipped with solid Agent (12).

3. a kind of chemical experiment gas generator according to claim 1, it is characterised in that: rubber stopper (9) center Venthole in setting stop water mist rise water proof net (10).

4. a kind of chemical experiment gas generator according to claim 1, it is characterised in that: rubber stopper (9) center Venthole, the hollow passageway of push-pull rod (7), the venthole of handle (6) be connected to hose (5).

5. a kind of chemical experiment gas generator according to any one of claims 1 to 4, it is characterised in that: the rubber One circle gap (15) of circumferential setting of rubber plug (9), the gap (15) is in the centre of rubber stopper (9) thickness direction.