CN204695662U - A kind of chemical experiment device - Google Patents
A kind of chemical experiment device Download PDFInfo
- Publication number
- CN204695662U CN204695662U CN201520345861.3U CN201520345861U CN204695662U CN 204695662 U CN204695662 U CN 204695662U CN 201520345861 U CN201520345861 U CN 201520345861U CN 204695662 U CN204695662 U CN 204695662U
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- Prior art keywords
- test tube
- transparent tube
- tube
- lamp
- iron
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of chemical experiment device, comprise iron stand, test tube, iron clamp, transparent tube, spirit lamp and base; Be provided with test tube at the middle part of iron stand, test tube is fixed by iron clamp; Rubber stopper is provided with at the opening part of test tube; Be provided with circular hole in the middle of described rubber stopper, circular hole wears wireway; Be provided with transparent tube above in iron stand, transparent tube is fixed by iron clamp; Also be provided with at transparent tube opening part and be equipped with rubber stopper, transparent tube, test tube are communicated with by wireway, and are provided with piston in transparent tube; Described iron stand is located on base, and base is also provided with groove, and groove is provided with spirit lamp; Described spirit lamp is located at immediately below test tube, and the lamp body of spirit lamp comprises socket, wick, light cover and handle; In the utility model, course of reaction is slowed down significantly, convenient observation; Meanwhile, spirit lamp use safety, simple and reasonable, overall easy to use, remind user reasonably to add alcohol amount, place stable, without potential safety hazard.
Description
Technical field
The utility model relates to chemical experiment device, specifically a kind of chemical experiment device.
Background technology
The gas recommended in the existing textbook experimental provision that externally does work is: load appropriate water in vitro, with rubber stopper, test tube oral area degree of tightness is suitably sealed, again test tube is fixed on iron stand obliquely, invisible spectro water is heated with spirit lamp, when water boiling, when in vitro pressure reaches a degree, rubber stopper can outwards be pushed open suddenly by water vapour and go out, illustrate that the gas expanded can externally do work, interiorly can be converted into mechanical energy.This experiment Problems existing is: the process that rubber stopper is outwards gone out is too fast, and some students do not observe the process that rubber stopper is gone out, and do not have perceptual knowledge, understand deep not.
Utility model content
The purpose of this utility model is to provide a kind of course of reaction to slow down, convenient observation, and use safety is simple and reasonable, places stable, without the chemical experiment device of potential safety hazard, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of chemical experiment device, comprises iron stand, test tube, iron clamp, transparent tube, spirit lamp and base; Be provided with test tube at the middle part of iron stand, test tube is fixed by iron clamp, and the opening of test tube tilts upward setting, and its pitch angle is 25-30 degree; Rubber stopper is provided with at the opening part of test tube; Be provided with circular hole in the middle of described rubber stopper, circular hole wears wireway; Be provided with transparent tube above in iron stand, transparent tube is fixed by iron clamp; Also be provided with at transparent tube opening part and be equipped with rubber stopper, transparent tube, test tube are communicated with by wireway, and are provided with piston in transparent tube; Described piston is fixedly connected with the right-hand member of Compress Spring, and the left end of Compress Spring is fixedly connected with the bottom being located at transparent tube; Also offer air hole at transparent tube left end simultaneously; Described iron stand is located on base, and base is also provided with groove, and groove is provided with spirit lamp; Described spirit lamp is located at immediately below test tube, and the lamp body of spirit lamp comprises socket, wick, light cover and handle; Described light cover is connected by hinge and lamp body are stable at socket place; The lamp body of spirit lamp is the up-small and down-big smooth container of conical glass, and 2/3rds places from bottom to top at volume on lamp body, 1/2nd places and 1/4th places are equipped with warning line; A pair handle is provided with at the medium position place of lamp body.
Further: the material of described light cover is fire-resistant stainless steel material.
Further: described handle is that glass material makes.
Further: described handle and lamp body integrally form by a firing setting.
Compared with prior art, in the utility model, course of reaction is slowed down significantly, facilitated observation of students, with deep impression, be beneficial to understand and master knowledge; Meanwhile, spirit lamp use safety, simple and reasonable, overall easy to use, remind user reasonably to add alcohol amount, place stable, without potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the structural representation of chemical experiment device.
Fig. 2 is the structural representation of spirit lamp in chemical experiment device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of chemical experiment device, comprises iron stand 1, test tube 2, iron clamp 3, transparent tube 7, spirit lamp 11 and base 6; Be provided with test tube 2 at the middle part of iron stand 1, test tube 2 is fixed by iron clamp 3, and the opening of test tube 2 tilts upward setting, and its pitch angle is 25-30 degree; Rubber stopper 4 is provided with at the opening part of test tube 2; Be provided with circular hole in the middle of described rubber stopper 4, circular hole wears wireway 5; Be provided with transparent tube 7 above in iron stand 1, transparent tube 7 is fixed by iron clamp 3; Also be provided with at transparent tube 7 opening part and be equipped with rubber stopper 4, transparent tube 7, test tube 2 are communicated with by wireway 5, and are provided with piston 8 in transparent tube 7; Described piston 8 is fixedly connected with the right-hand member of Compress Spring 9, and the left end of Compress Spring 9 is fixedly connected with the bottom being located at transparent tube 7; Also offer air hole 10 at transparent tube 7 left end simultaneously; In work, to the reagent heating in test tube 2, the gas increased enters in transparent tube 7 by wireway 5, along with heating carrying out, gas push piston 8 thus extruding Compress Spring 9, show interior can constantly externally acting, process is slowed down significantly, facilitate observation of students, with deep impression, be beneficial to understand and master knowledge; Described iron stand 1 is located on base 6, and base 6 is also provided with groove 18, and groove 18 is provided with spirit lamp 11; Described spirit lamp 11 is located at immediately below test tube 2, and the lamp body of spirit lamp 11 comprises socket 12, wick 13, light cover 14 and handle 17, and wherein, the material of light cover 14 is fire-resistant stainless steel material, and light cover 14 is connected by hinge 15 and lamp body are stable at socket 12 place; The lamp body of spirit lamp 11 is the up-small and down-big smooth container of conical glass, and 2/3rds places from bottom to top at volume on lamp body, 1/2nd places and 1/4th places are equipped with warning line 16; Be provided with a pair handle 17 at the medium position place of lamp body, handle 17 is glass material, and handle 17 and lamp body integrally form by a firing setting; During use, light cover 14 safety, rationally, overall easy to use, warning line 16 can conveniently remind user reasonably to add alcohol amount, and groove 18 makes spirit lamp 11 more stablize placement, and handle 17 is convenient to the taking of spirit lamp 11, movement.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a chemical experiment device, comprises iron stand (1), test tube (2), iron clamp (3), transparent tube (7), spirit lamp (11) and base (6); It is characterized in that, be provided with test tube (2) at the middle part of iron stand (1), test tube (2) is fixed by iron clamp (3), and the opening of test tube (2) tilts upward setting, and its pitch angle is 25-30 degree; Rubber stopper (4) is provided with at the opening part of test tube (2); Be provided with circular hole in the middle of described rubber stopper (4), circular hole wears wireway (5); Be provided with transparent tube (7) in the middle top of iron stand (1), transparent tube (7) is fixed by iron clamp (3); Also be provided with at transparent tube (7) opening part and be equipped with rubber stopper (4), transparent tube (7), test tube (2) are communicated with by wireway (5), and are provided with piston (8) in transparent tube (7); Described piston (8) is fixedly connected with the right-hand member of Compress Spring (9), and the left end of Compress Spring (9) is fixedly connected with the bottom being located at transparent tube (7); Also offer air hole (10) at transparent tube (7) left end simultaneously; Described iron stand (1) is located on base (6), and base (6) is also provided with groove (18), and groove (18) is provided with spirit lamp (11); Described spirit lamp (11) is located at immediately below test tube (2), and the lamp body of spirit lamp (11) comprises socket (12), wick (13), light cover (14) and handle (17); Described light cover (14) is connected by hinge (15) and lamp body are stable at socket (12) place; The lamp body of spirit lamp (11) is the up-small and down-big smooth container of conical glass, and 2/3rds places from bottom to top at volume on lamp body, 1/2nd places and 1/4th places are equipped with warning line (16); A pair handle (17) is provided with at the medium position place of lamp body.
2. chemical experiment device according to claim 1, is characterized in that, the material of described light cover (14) is fire-resistant stainless steel material.
3. chemical experiment device according to claim 1, is characterized in that, described handle (17) is glass material making.
4. chemical experiment device according to claim 1, is characterized in that, described handle (17) and lamp body integrally form by a firing setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345861.3U CN204695662U (en) | 2015-05-26 | 2015-05-26 | A kind of chemical experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345861.3U CN204695662U (en) | 2015-05-26 | 2015-05-26 | A kind of chemical experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204695662U true CN204695662U (en) | 2015-10-07 |
Family
ID=54235926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345861.3U Expired - Fee Related CN204695662U (en) | 2015-05-26 | 2015-05-26 | A kind of chemical experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204695662U (en) |
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2015
- 2015-05-26 CN CN201520345861.3U patent/CN204695662U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151007 Termination date: 20180526 |