CN206431938U - A kind of chemical experiment device for middle school teaching - Google Patents
A kind of chemical experiment device for middle school teaching Download PDFInfo
- Publication number
- CN206431938U CN206431938U CN201720087869.3U CN201720087869U CN206431938U CN 206431938 U CN206431938 U CN 206431938U CN 201720087869 U CN201720087869 U CN 201720087869U CN 206431938 U CN206431938 U CN 206431938U
- Authority
- CN
- China
- Prior art keywords
- test tube
- guide rail
- pedestal
- iron stand
- alcolhol burner
- 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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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The utility model discloses a kind of chemical experiment device for middle school teaching, including base and iron stand, the iron stand is vertically arranged with base, and iron stand bottom is fixedly connected with base, test tube clamp is installed on the iron stand, clamping has test tube on the test tube clamp, the iron stand side is provided with guide rail, the guide rail is fixedly connected with iron stand, and it is provided with pedestal above guide rail, the pedestal is slidably connected in guide rail interior, by being provided with alcolhol burner above the pedestal, the alcolhol burner is arranged on below test tube, the alcolhol burner side is provided with end cap, and end cap is rotated with alcolhol burner and is connected, the test tube outlet is provided with rubber stopper, the test tube front end is provided with transparent protecting tube, the transparent protection bottom of the tube is provided with steam vent.The beneficial effects of the utility model are：Reasonable in design, observation phenomenon substantially, while operation is safer, is adapted to the popularity in middle school teaching and used.
Description
Technical field
The utility model belongs to chemical experiment device technical field, and in particular to a kind of chemical experiment for middle school teaching
Device.
Background technology
The gas recommended in the existing textbook experimental provision that externally does work is in vitro to load appropriate water, use rubber stopper
It is fixed on by the sealing of test tube oral area suitably, then by test tube is inclined on iron stand, heats the water in test tube with alcolhol burner, work as water
Boiling, when examination intraductal pressure is reached to a certain degree, rubber stopper can outwards be pushed open and gone out suddenly by water vapour, illustrate the gas of expansion
Body can externally do work, and interior energy is converted into mechanical energy.But rubber stopper may concentrate front end during rubber stopper is gone out
People, the water of test tube interior, which is also possible to spill, to be come, and is influenceed to personal safety belt.
Utility model content
The purpose of this utility model is to provide a kind of chemical experiment device for middle school teaching, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical scheme：A kind of chemical experiment for middle school teaching
Device, including base and iron stand, the iron stand are vertically arranged with base, and iron stand bottom is fixedly connected with base, institute
State and test tube clamp is installed on iron stand, clamping has test tube on the test tube clamp, and test tube is obliquely installed, the iron stand side is set
Guide rail is equipped with, the guide rail is fixedly connected with iron stand, and pedestal is provided with above guide rail, the pedestal is slided in guide rail interior
By being provided with alcolhol burner above connection, the pedestal, and alcolhol burner is placed in the groove in pedestal, and the alcolhol burner is arranged on
Below test tube, the alcolhol burner side is provided with end cap, and end cap is rotated with alcolhol burner and is connected, and the test tube outlet is provided with rubber
Plug, the test tube front end is provided with transparent protecting tube, and the transparent protection bottom of the tube is provided with steam vent.
It is preferred that, it is connected through a screw thread between the test tube and transparent protecting tube, and the diameter of rubber stopper is anti-less than transparent
The internal diameter of pillar.
It is preferred that, the guide rail both sides are provided with positioning hole, and the pedestal both sides are provided with through hole, the pedestal and set
There is latch, the latch is inserted in positioning hole through through hole.
It is preferred that, the positioning hole is equidistant on guide rail to be uniformly distributed.
It is preferred that, it is provided with Measurement scales on the outside of the alcolhol burner.
Technique effect of the present utility model and advantage：This is used for the chemical experiment device of middle school teaching, passes through transparent protection
The design of pipe, when rubber stopper is gone out, rubber stopper enters in transparent protecting tube, prevents rubber stopper from being impacted to personal safety,
On the other hand the water for being also prevented from boiling spills outside, and the bottom of transparent protecting tube is provided with steam vent, reduces transparent protecting tube
Inside is forced down, when preventing that rubber stopper from going out, and causes transparent protecting tube internal pressure is excessive to cause transparent protecting tube to crush, by leading
The design of rail and pedestal, alcolhol burner can be moved on base, prevent that during operation, alcolhol burner is toppled over, more
Safety.This is used for the chemical experiment device of middle school teaching, and reasonable in design, observation phenomenon is obvious, while operation is safer,
It is adapted to the popularity in middle school teaching to use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is enlarged drawing at the A in the utility model Fig. 1；
Fig. 3 is the top view of the utility model guide rail；
Fig. 4 is the structural representation of the transparent protecting tube of the utility model.
In figure：1 base, 2 iron stands, 3 guide rails, 4 pedestals, 5 latches, 6 alcolhol burners, 7 test tubes, 8 test tube clamps, 9 transparent protection
Pipe, 10 rubber stoppers, 11 steam vents, 12 Measurement scales, 13 end caps, 14 through holes, 15 positioning holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The utility model provides a kind of chemical experiment device for middle school teaching as Figure 1-4, including base 1
With iron stand 2, the iron stand 2 is vertically arranged with base 1, and the bottom of iron stand 2 is fixedly connected with base 1, the iron stand 2
On clamping on test tube clamp 8, the test tube clamp 8 be installed have test tube 7, and test tube 7 is obliquely installed, and the side of iron stand 2 is set
There is guide rail 3, the guide rail 3 is fixedly connected with iron stand 2, and the top of guide rail 3 is provided with pedestal 4, the pedestal 4 is in guide rail 3
Portion is slidably connected.
Further, the both sides of guide rail 3 are provided with positioning hole 15, equidistant uniform point on guides 3 of the positioning hole 15
Cloth, the both sides of pedestal 4, which are provided with through hole 14, the pedestal 4, is provided with latch 5, and the latch 5 is fixed through the insertion of through hole 14
In the hole 15 of position, the top of the pedestal 4 is by being provided with alcolhol burner 6, and alcolhol burner 6 is placed in the groove in pedestal 4, the alcohol
The outside of lamp 6 is provided with Measurement scales 12, and the alcolhol burner 6 is arranged on the lower section of test tube 7, and the side of alcolhol burner 6 is provided with end cap
13, and end cap 13 and alcolhol burner 6 rotate and be connected.
Further, the outlet of test tube 7 is provided with rubber stopper 10, and the front end of test tube 7 is provided with transparent protecting tube 9, institute
State and be connected through a screw thread between test tube 7 and transparent protecting tube 9, and internal diameter of the diameter less than transparent protecting tube 9 of rubber stopper 10, institute
State the transparent bottom of protecting tube 9 and steam vent 11 is installed.
Specifically, this is used for the chemical experiment device of middle school teaching, in use, loading appropriate water inside test tube 7 simultaneously
Clamping is on test tube clamp 8, and rubber stopper 10 is filled in test tube 7, and elasticity is moderate, and transparent protecting tube 9 is arranged on before test tube 7
End, alcolhol burner 6 is put into the groove of pedestal 4, and the position of regulation alcolhol burner 6 is moved left and right in guide rail 3 by pedestal 4, works as wine
When smart lamp 6 is located at 7 lower section of test tube, pedestal 4 is fixed with guide rail 3 by latch 5, alcolhol burner 6 is lighted, the water inside test tube 7 is treated
After boiling, observation experiment phenomenon.This is used for the chemical experiment device of middle school teaching, and reasonable in design, observation phenomenon is obvious, together
When operation it is safer, be adapted to the popularity in middle school teaching and use.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc.,
It should be included within protection domain of the present utility model.
Claims (5)
1. a kind of chemical experiment device for middle school teaching, including base (1) and iron stand (2), it is characterised in that：The iron
Pallet (2) is vertically arranged with base (1), and iron stand (2) bottom is fixedly connected with base (1), is installed on the iron stand (2)
There is clamping on test tube clamp (8), the test tube clamp (8) to have test tube (7), and test tube (7) is obliquely installed, iron stand (2) side
Guide rail (3) is provided with, the guide rail (3) is fixedly connected with iron stand (2), and pedestal (4) is provided with above guide rail (3), it is described
Pedestal (4) is connected in guide rail (3) internal slide, and by being provided with alcolhol burner (6) above the pedestal (4), and alcolhol burner (6) is placed
In groove in pedestal (4), the alcolhol burner (6) is arranged on below test tube (7), and alcolhol burner (6) side is provided with end
Cover (13), and end cap (13) is rotated with alcolhol burner (6) and is connected, test tube (7) outlet is provided with rubber stopper (10), the test tube
(7) front end is provided with transparent protecting tube (9), and transparent protecting tube (9) bottom is provided with steam vent (11).
2. a kind of chemical experiment device for middle school teaching according to claim 1, it is characterised in that：The test tube
(7) it is connected through a screw thread between transparent protecting tube (9), and internal diameter of the diameter less than transparent protecting tube (9) of rubber stopper (10).
3. a kind of chemical experiment device for middle school teaching according to claim 1, it is characterised in that：The guide rail
(3) both sides are provided with positioning hole (15), and pedestal (4) both sides are provided with through hole (14), the pedestal (4) and are provided with latch
(5), the latch (5) is interior through through hole (14) insertion positioning hole (15).
4. a kind of chemical experiment device for middle school teaching according to claim 3, it is characterised in that：The positioning hole
(15) it is equidistant on guide rail (3) to be uniformly distributed.
5. a kind of chemical experiment device for middle school teaching according to claim 1, it is characterised in that：The alcolhol burner
(6) outside is provided with Measurement scales (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087869.3U CN206431938U (en) | 2017-01-23 | 2017-01-23 | A kind of chemical experiment device for middle school teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087869.3U CN206431938U (en) | 2017-01-23 | 2017-01-23 | A kind of chemical experiment device for middle school teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206431938U true CN206431938U (en) | 2017-08-22 |
Family
ID=59591368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720087869.3U Expired - Fee Related CN206431938U (en) | 2017-01-23 | 2017-01-23 | A kind of chemical experiment device for middle school teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206431938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711349A (en) * | 2018-05-25 | 2018-10-26 | 隆浩 | A kind of physics experiment teaching equipment |
| CN110701583A (en) * | 2019-09-21 | 2020-01-17 | 裴金锋 | Novel rail mounting structure |
-
2017
- 2017-01-23 CN CN201720087869.3U patent/CN206431938U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711349A (en) * | 2018-05-25 | 2018-10-26 | 隆浩 | A kind of physics experiment teaching equipment |
| CN108711349B (en) * | 2018-05-25 | 2020-11-20 | 如东县燕川物业管理有限公司 | Physical experiment teaching equipment |
| CN110701583A (en) * | 2019-09-21 | 2020-01-17 | 裴金锋 | Novel rail mounting structure |
| CN110701583B (en) * | 2019-09-21 | 2020-08-11 | 裴金锋 | Novel rail mounting structure |
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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 |
Granted publication date: 20170822 Termination date: 20180123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |