CN207576434U - A kind of student chemical experiment safety device - Google Patents
A kind of student chemical experiment safety device Download PDFInfo
- Publication number
- CN207576434U CN207576434U CN201721433435.0U CN201721433435U CN207576434U CN 207576434 U CN207576434 U CN 207576434U CN 201721433435 U CN201721433435 U CN 201721433435U CN 207576434 U CN207576434 U CN 207576434U
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- CN
- China
- Prior art keywords
- protective housing
- student
- test tube
- starch
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses a kind of student chemical experiment safety devices, including protective housing, head cover is provided at the top of the protective housing, place alcolhol burner in the one end of slide plate far from pushing board, bottom plate is provided in the protective housing, upright bar is fixedly connected on bottom plate, link block accompanies test tube by test tube clamp inclination, for the end side plate updip of one of them protective housing tiltedly inserted with starch charge pipe, starch charge pipe is provided with the beaker being placed on the bottom plate below one end far from protective housing side plate.This student chemical experiment safety device, alcolhol burner is shifted onto under test tube by slide plate and is heated, starch is added in beaker by starch charge pipe, it realizes the Heating Experiment of manganese heptoxide, carried out in protective housing with starch reaction experiment, student can not only penetrate transparent protective housing and carry out observing response phenomenon and listen the sound, security protection can also be carried out to student, avoid due to test tube explosion and sparks are flying in all directions that student is made to come to harm.
Description
Technical field
The utility model is related to equipment of chemical industry technical field, specially a kind of student is filled with chemical experiment security protection
It puts.
Background technology
Discussion for the property of manganese heptoxide is the course that many schools will test now, and student does in laboratory
During experiment, mainly do two experiments, i.e., after the heating of manganese heptoxide the phenomenon that and its reality with strong oxidizing property and starch
Test phenomenon, but this two experiments all have certain danger, manganese heptoxide is thermally decomposed after heating in test tube, can be to
Cotton-shaped black solid is ejected outside and test tube may be made to burst with quick-fried sound, and reaction is acute when manganese heptoxide and starch reaction
It is strong, there is cracker and with spark fragmentarily, this two experiments are abnormally dangerous in a word, now in this respect without corresponding
Safety device, it is easy to cause student injured.
Utility model content
The purpose of this utility model is to provide a kind of student chemical experiment safety devices, can be in protective housing
Experiment can be good at playing safety protection function, avoids student injured, solves the problems of the prior art.
To achieve the above object, the utility model provides following technical solution：A kind of student chemical experiment security protection
Device including protective housing, is provided with head cover at the top of the protective housing, head cover is covered in the slot on protective housing top, the head cover
Center of top be fixedly connected with handle, the top of the side plate of two ends of the protective housing is both provided with ventilation duct, described
The inner wall of two side plates along its length of protective housing is fixedly installed sliding slot, and sliding slot is interior inserted with slide plate, one end of slide plate
Pushing board is fixedly connected with, offers the rectangular opening being pushed into for alcolhol burner on an end side plate of pushing board, slide plate is remote
Alcolhol burner is placed in one end from pushing board, is provided with bottom plate in the protective housing, upright bar is fixedly connected on bottom plate, the upright bar
Top is fixedly connected with hand and takes plate, link block is set in the upright bar, link block accompanies test tube by test tube clamp inclination, wherein one
The end side plate updip of a protective housing tiltedly inserted with starch charge pipe, the one end of starch charge pipe far from protective housing side plate
Lower section is provided with the beaker being placed on the bottom plate.
Preferably, the angling hole being inserted into for the matching of starch charge pipe is offered on the protective housing.
Preferably, the placing groove placed for alcolhol burner is offered on the slide plate.
Preferably, the protective housing is component made of a kind of transparent glass.
Preferably, the ventilation duct is arranged to L-type structure.
Compared with prior art, the beneficial effects of the utility model are as follows：
This student chemical experiment safety device, the beaker on the test tube and bottom plate in upright bar is put into protective housing will
Alcolhol burner, which is shifted onto by slide plate under test tube, heat simultaneously top cover, adds in starch to beaker by starch charge pipe, realizes
The Heating Experiment of manganese heptoxide is carried out with starch reaction experiment in protective housing, and student can not only prevent through transparent
Protecting box carries out observing response phenomenon and listens the sound, can also carry out security protection to student, avoid due to test tube explosion and Mars
Flashing makes student come to harm.
Description of the drawings
Fig. 1 is the protective housing section view and internal structure schematic diagram of the utility model；
Fig. 2 does not place starch charge pipe schematic diagram for the utility model；
Fig. 3 is the side view and partial sectional view of the utility model；
Fig. 4 is the vertical view of the slide plate of the utility model.
In figure：1 protective housing, 2 head covers, 21 handles, 3 upright bars, 31 hands take plate, 4 bottom plates, 5 link blocks, 6 test tube clamps, 7 examinations
Pipe, 8 beakers, 9 sliding slots, 10 slide plates, 101 placing grooves, 11 pushing boards, 12 ventilation ducts, 13 alcolhol burners, 14 rectangular openings, 15 starch add
Expects pipe, 16 angling holes.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, a kind of student chemical experiment safety device, including protective housing 1, protective housing 1 is one kind
Component made of transparent glass, the reaction of manganese heptoxide and Heating Experiment are carried out in protective housing 1, can not only be penetrated transparent
Protective housing 1 carry out observing response phenomenon, can also to student carry out security protection, avoid due to test tube explosion and sparks are flying in all directions
Student is made to come to harm, the top of protective housing 1 is provided with head cover 2, is tested after top cover 2, improves safety, head cover 2
It covers in the slot on 1 top of protective housing, the center of top of head cover 2 is fixedly connected with handle 21, takes away and closes the lid by handle 21
Son, the top of the side plate of two ends of protective housing 1 are both provided with ventilation duct 12, and ventilation duct 12 can make chemical in protective housing 1
The smog discharge that reaction generates, can also hear the sound generated in experimentation in protective housing 1, convenient for total by ventilation duct 12
Property is tied, ventilation duct 12 is arranged to L-type structure, and the fragment and Mars for preventing explosion generation are flown out by ventilation opening, protective housing 1
The inner wall of two side plates along its length is fixedly installed sliding slot 9, and sliding slot 9 is interior inserted with slide plate 10, and one end of slide plate 10 is consolidated
Surely pushing board 11 is connected, the rectangular opening 14 being pushed into for alcolhol burner 13 is offered on an end side plate of pushing board 11,
Alcolhol burner 13 is used to heat to the test tube 7 for holding manganese heptoxide, and alcolhol burner 13 is placed in the one end of slide plate 10 far from pushing board 11,
The placing groove 101 placed for alcolhol burner 13 is offered on slide plate 10, alcolhol burner 13, which is placed in placing groove 101, can prevent it
It slides, lights alcolhol burner 13 outside protective housing 1, hand push push plate 11 of starting pushes away slide plate 10 along sliding slot 9 to the inside of protective housing 1
It send, alcolhol burner 13 is shifted onto under test tube 7, bottom plate 4 is provided in protective housing 1, upright bar 3, the top of upright bar 3 are fixedly connected on bottom plate 4
Portion is fixedly connected with hand by plate 31, and upright bar 3 is put into protective housing 1 by plate 31 by hand, link block 5 is set in upright bar 3, even
It connects block 5 and test tube 7 is accompanied by the inclination of test tube clamp 6, manganese heptoxide can be added in the export-oriented test tube 7 of protective housing 1 in advance, then
Upright bar 3 is put into protective housing 1 by plate 31 by hand, top cover 2, alcolhol burner 13 tests the heating of test tube 7, is protecting
1 observation experiment phenomenon of case and sound is listened, the end side plate updip of one of protective housing 1 is prevented tiltedly inserted with starch charge pipe 15
The angling hole 16 being inserted into for the matching of starch charge pipe 15 is offered on protecting box 1, starch charge pipe 15 is inserted by angling hole 16,
15 both ends open of starch charge pipe, starch charge pipe 15 are provided with below one end far from 1 side plate of protective housing and are placed on bottom plate
Beaker 8 on 4 adds in starch by starch charge pipe 15 to beaker 8, and beaker 8 adds in manganese heptoxide in advance, after starch adds in
That is vigorous reaction in 1 observation experiment phenomenon of protective housing and listens sound, and two reactions carry out in protective housing 1, not only can be saturating
It crosses transparent protective housing 1 to carry out observing response phenomenon and listen sound, security protection can also be carried out to student, avoided due to test tube
Explosion and sparks are flying in all directions that student is made to come to harm.
It is clipped on test tube clamp 6 in outer tilt test tube 7 of protective housing 1, suitable seven oxygen is put into test tube 7 and beaker 8
Change two manganese (can be put into simultaneously, manganese heptoxide is put into beaker 8 again after Heating Experiment can also be finished), plate is taken by hand
31 are put into upright bar 3 in protective housing 1, and alcolhol burner 13 is placed in placing groove 101, and alcolhol burner 13, hand push are lighted outside protective housing 1
Push plate 11 of starting pushes slide plate 10 along sliding slot 9 to the inside of protective housing 1, alcolhol burner 13 is shifted onto under test tube 7, top cover 2,
Alcolhol burner 13 tests the heating of test tube 7, in 1 observation experiment phenomenon of protective housing and listens sound, after the completion of Heating Experiment, inserts
Enter starch charge pipe 15, starch is added in beaker 8 by starch charge pipe 15, is vigorous reaction after starch addition, in protective housing 1
Observation experiment phenomenon and listen sound.
In summary：This student chemical experiment safety device, using the present apparatus, by the test tube 7 in upright bar 3 and bottom
Beaker 8 on plate 4, which is put into protective housing 1, to be shifted onto under test tube 7 by slide plate 10 by alcolhol burner 13 and heat and top cover 2, is led to
It crosses starch charge pipe 15 and adds in starch to beaker 8, realize the Heating Experiment of manganese heptoxide, protected with starch reaction experiment
It is carried out in case 1, student can not only penetrate transparent protective housing 1 and carry out observing response phenomenon and listen the sound, can also be to student
Security protection is carried out, avoids due to test tube explosion and sparks are flying in all directions that student is made to come to harm, the present apparatus can be used for other and add
Heat or reaction acutely experiment.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of student chemical experiment safety device, including protective housing (1), it is characterised in that：The protective housing (1)
Top is provided with head cover (2), and head cover (2) is covered in the slot on protective housing (1) top, and the center of top of the head cover (2), which is fixed, to be connected
Handle (21) is connected to, the top of the side plate of two ends of the protective housing (1) is both provided with ventilation duct (12), the protective housing
(1) inner wall of two side plates along its length is fixedly installed sliding slot (9), and sliding slot (9) is interior inserted with slide plate (10), slide plate
(10) one end is fixedly connected with pushing board (11), is offered on an end side plate of pushing board (11) for alcolhol burner
(13) alcolhol burner (13), the protective housing (1) are placed in the rectangular opening (14) of push-in, the one end of slide plate (10) far from pushing board (11)
Bottom plate (4) is inside provided with, upright bar (3) is fixedly connected on bottom plate (4), hand is fixedly connected at the top of the upright bar (3) by plate
(31), link block (5) is set on the upright bar (3), and link block (5) accompanies test tube (7) by test tube clamp (6) inclination, wherein one
The end side plate updip of a protective housing (1) is tiltedly inserted with starch charge pipe (15), and starch charge pipe (15) is far from protective housing
(1) beaker (8) being placed on the bottom plate (4) is provided with below one end of side plate.
2. a kind of student according to claim 1 chemical experiment safety device, it is characterised in that：The protective housing
(1) angling hole (16) being inserted into for starch charge pipe (15) matching is offered on.
3. a kind of student according to claim 1 chemical experiment safety device, it is characterised in that：The slide plate
(10) placing groove (101) placed for alcolhol burner (13) is offered on.
4. a kind of student according to claim 1 chemical experiment safety device, it is characterised in that：The protective housing
(1) it is component made of a kind of transparent glass.
5. a kind of student according to claim 1 chemical experiment safety device, it is characterised in that：The ventilation duct
(12) it is arranged to L-type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433435.0U CN207576434U (en) | 2017-11-01 | 2017-11-01 | A kind of student chemical experiment safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433435.0U CN207576434U (en) | 2017-11-01 | 2017-11-01 | A kind of student chemical experiment safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207576434U true CN207576434U (en) | 2018-07-06 |
Family
ID=62730534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721433435.0U Expired - Fee Related CN207576434U (en) | 2017-11-01 | 2017-11-01 | A kind of student chemical experiment safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207576434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261227A (en) * | 2018-08-21 | 2019-01-25 | 叶泓希 | It chemically reacts safe teaching and shows device |
-
2017
- 2017-11-01 CN CN201721433435.0U patent/CN207576434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261227A (en) * | 2018-08-21 | 2019-01-25 | 叶泓希 | It chemically reacts safe teaching and shows device |
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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: 20180706 Termination date: 20191101 |