CN207187561U - A kind of chemical experiment teaching device - Google Patents
A kind of chemical experiment teaching device Download PDFInfo
- Publication number
- CN207187561U CN207187561U CN201720929569.5U CN201720929569U CN207187561U CN 207187561 U CN207187561 U CN 207187561U CN 201720929569 U CN201720929569 U CN 201720929569U CN 207187561 U CN207187561 U CN 207187561U
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- motor
- fixed
- movable block
- jig arm
- screw rod
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Abstract
The utility model discloses a kind of chemical experiment teaching device, including device body, described device body is cavity structure, the bottom inwall of device body is fixed with fix bar, base, first motor and fixed plate, base is between fix bar and the first motor, first motor and fixed plate are located at the same side of device body, and fixed plate is located at the side of the first motor, the top of fix bar is provided with sulfuric acid bottle, sulfuric acid bottle side bottom is provided with flow tube, base is provided with beaker, there is water in beaker, there is rotary shaft between base and the first motor, the bottom of rotary shaft and the bottom of device body are rotatablely connected, the top of rotary shaft is fixed with first gear, the top of first gear is fixed with the first screw rod, the output shaft of first motor is fixed with second gear, first screw flight is connected with the first movable block.The utility model design structure is reasonable, simple to operate, and the side of device is provided with glass, so can be very good to show diluting concentrated sulfuric acid experiment during teaching.
Description
Technical field
It the utility model is related to chemical experiment teaching device technical field, more particularly to a kind of chemical experiment teaching device.
Background technology
The concentrated sulfuric acid, it is commonly called as bad water, chemical molecular formula H2SO4, it is a kind of highly corrosive strong mineral acid.The concentrated sulfuric acid
Refer to the sulfuric acid solution that mass fraction is more than or equal to 70%.The concentrated sulfuric acid has strong oxidizing property when concentration is high, and this is it and dilute sulfuric acid
One of maximum difference.It also has dehydration property simultaneously, and severe corrosive, difficult volatility is acid, water imbibition.The dilution of the concentrated sulfuric acid
And the important experiment of chemo, and substantial amounts of heat can be produced in dilution according to the property of the concentrated sulfuric acid, the concentrated sulfuric acid, meeting exists
Boiling water is set to splash during dilution, misoperation can be splashed on the body of operator, cause to burn, and corrode clothing and skin
Skin, it is dangerous especially big, and existing diluting concentrated sulfuric acid is all that teacher operates personally on chemo, extremely dangerous property,
So herein according to it is above-mentioned the problem of propose the automatic dilution equipment of the concentrated sulfuric acid, the danger that manual operation can be avoided to bring.
Utility model content
The purpose of this utility model is and a kind of chemical experiment religion proposed in order to solve shortcoming present in prior art
Learn device.
To achieve these goals, the utility model employs following technical scheme：
A kind of chemical experiment teaching device, including device body, described device body are cavity structure, the bottom of device body
End inwall is fixed with fix bar, base, the first motor and fixed plate, and base is between fix bar and the first motor, the first electricity
Machine and fixed plate are located at the same side of device body, and fixed plate is located at the side of the first motor, and the top of fix bar is provided with
Sulfuric acid bottle, sulfuric acid bottle side bottom are provided with flow tube, and base is provided with beaker, has water in beaker, have between base and the first motor
Rotary shaft, the bottom of rotary shaft and the bottom of device body are rotatablely connected, and the top of rotary shaft is fixed with first gear, the first tooth
The top of wheel is fixed with the first screw rod, and the output shaft of the first motor is fixed with second gear, and the first screw flight is connected with first
Movable block, the side of the first movable block are provided with the second motor, and the output shaft of the second motor is fixed with through the first movable block
Two screw rods, the side of the second motor are fixed with connecting rod, and one end and the fixed plate of connecting rod are slidably connected, the side top of the first movable block
End is fixed with horizontally disposed guide rod, and the second screw flight is connected with the second movable block, and one end of guide rod passes through the second movable block,
And guide rod is located at the top of the second screw rod, the second movable block is fixed with the 3rd motor, and the output shaft of the 3rd motor moves through second
Motion block is fixed with rotating disk, and rotating disk is located at the lower section of the second movable block, and the low side side of rotating disk is fixed with clamping device, clamping device
Including：4th motor, jig arm support frame, the 3rd screw rod, the 3rd movable block, two jig arm and two clamping plates, the top of the 4th motor
The low side with rotating disk is held to fix, the bottom and the top of jig arm support frame of the 4th motor are fixed, the bottom of jig arm support frame and folder
The middle part rotation connection of arm, one end of jig arm are rotatablely connected with the 3rd movable block, and the other end of jig arm rotates with clamping plate to be connected
Connect, the top of the 3rd screw rod and the output shaft of the 4th motor are fixed, and the 3rd movable block is connected with the 3rd screw flight, two clamping plates
Between be clamped with glass bar, clamping device is located at the top of beaker.
Preferably, the bottom inwall of described device body offers neck, and one end of rotary shaft is extended in neck, neck
It is inverted T-shape structure with rotary shaft, the vertical inner wall of neck is provided with bearing, the bottom that rotary shaft passes through bearing and device body
End rotation connection.
Preferably, the jig arm support frame is C character form structures, and the output shaft of the 4th motor passes through the top of jig arm support frame
Fixed with the 3rd screw rod.
Preferably, the jig arm is Cyclic dart shape structure, and jig arm is divided into straight-bar and brace two parts, the friendship of straight-bar and brace
Place and the bottom of jig arm support frame is connect to be rotatablely connected.
Preferably, the phase of described two clamping plates offers cylinder groove close to side, and one end of glass bar is extended in water.
Preferably, one end of flow tube is affixed on beaker side top inwall, and flow tube is provided with electrically operated valve, and fixed plate is leaned on
The side of nearly first screw rod offers chute, and connecting rod is slidably connected by chute and fixed plate.
The beneficial effects of the utility model are：It is made up of the first motor, first gear, second gear and the first screw rod
Mechanism realizes the up and down motion to clamping device, so as to adjust the distance of glass bar and beaker bottom；By the second motor, second
Two lateral movements of clamping device are realized in the effect of screw rod, so as to adjust the distance of glass bar and beaker inwall；Pass through the 3rd motor
With the effect of clamping device and glass bar, realize that the design is rational in infrastructure to the stirring when adding diluting concentrated sulfuric acid, operate
Simply, and the side of device is provided with glass, so can be very good to show diluting concentrated sulfuric acid experiment during teaching.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of chemical experiment teaching device structure of the main view；
Fig. 2 be the utility model proposes a kind of chemical experiment teaching device structure A at enlarged diagram.
In figure：1 device body, 2 fix bars, 3 bases, 4 glass bars, 5 water, 6 beakers, 7 first gears, 8 first motors, 9
Second gear, 10 fixed plates, 11 second motors, 12 first movable blocks, 13 first screw rods, 14 second screw rods, 15 second movable blocks,
16 the 3rd motors, 17 rotating disks, 18 sulfuric acid bottles, 19 the 4th motors, 20 jig arm support frames, 21 the 3rd movable blocks, 22 jig arm, 23 folders
Plate, 24 the 3rd screw rods.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of chemical experiment teaching device, including device body 1, device body 1 are cavity structure, device
The bottom inwall of body 1 is fixed with fix bar 2, base 3, the first motor 8 and fixed plate 10, and base 3 is located at fix bar 2 and first
Between motor 8, the first motor 8 and fixed plate 10 are located at the same side of device body 1, and fixed plate 10 is located at the first motor 8
Side, the top of fix bar 2 are provided with sulfuric acid bottle 18, and the side bottom of sulfuric acid bottle 18 is provided with flow tube, and base 3 is provided with beaker 6, burn
There is water 5 in cup 6, there is rotary shaft between the motor 8 of base 3 and first, the bottom of rotary shaft rotates with the bottom of device body 1 to be connected
Connect, the top of rotary shaft is fixed with first gear 7, and the top of first gear 7 is fixed with the first screw rod 13, the first motor 8 it is defeated
Shaft is fixed with second gear 9, and the first screw rod 13 is threaded with the first movable block 12, and the side of the first movable block 12 is provided with
Second motor 11, the output shaft of the second motor 11 are fixed with the second screw rod 14 through the first movable block 12, and the one of the second motor 11
Side is fixed with connecting rod, and one end and the fixed plate 10 of connecting rod are slidably connected, and the side top of the first movable block 12 is fixed with level and set
The guide rod put, the second screw rod 14 are threaded with the second movable block 15, and one end of guide rod passes through the second movable block 15, and guide rod position
In the top of the second screw rod 14, the second movable block 15 is fixed with the 3rd motor 16, and the output shaft of the 3rd motor 16 moves through second
Motion block 15 is fixed with rotating disk 17, and rotating disk 17 is located at the lower section of the second movable block 15, and the low side side of rotating disk 17 is fixed with clamping machine
Structure, clamping device include：21, two 4th motor 19, jig arm support frame 20, the 3rd screw rod 24, the 3rd movable block and of jig arm 22
Two clamping plates 23, the top of the 4th motor 19 and the low side of rotating disk 17 are fixed, bottom and the jig arm support frame 20 of the 4th motor 19
Top fix, the bottom of jig arm support frame 20 and the middle part of jig arm 22 are rotatablely connected, and one end of jig arm 22 is moved with the 3rd
Motion block 21 is rotatablely connected, and the other end and the clamping plate 23 of jig arm 22 are rotatablely connected, top and the 4th motor 19 of the 3rd screw rod 24
Output shaft is fixed, and the 3rd movable block 21 is threadedly coupled with the 3rd screw rod 24, and glass bar 4 is clamped between two clamping plates 23, clamping
Mechanism is located at the top of beaker 6.
In the present embodiment, the concentrated sulfuric acid realizes valve by being manually added in sulfuric acid bottle 18 in the presence of electrically operated valve
Either on or off, the concentrated sulfuric acid are flowed into water 5 from the inwall of beaker 6, and the effect of the first motor 8, first gear 7 and second gear 9 is realized
The rotation of first screw rod 13, so as to the up and down motion of realization device, the position of glass bar 4 is adjusted, the 3rd motor 16 is so that rotating disk
17 drive clamping device to rotate, and so as to be stirred to the solution in beaker 6, jig arm is realized in the effect of the 4th motor 19 of clamping device
22 clamp with the effect of clamping plate 23 to glass bar 4, and it is the water 5 in beaker 6 in order to clamp more firmly that clamping plate 23, which offers cylinder groove,
Experiment is preceding by manually adding, therefore when the concentrated sulfuric acid adds, the side of glass bar 4 stirring, by device so as to whole experiment certainly
Dynamic to complete, the design is simple to operate, and the dilution of the concentrated sulfuric acid, the danger for effectively avoiding manual operation from bringing are completed by mechanism.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of chemical experiment teaching device, including device body（1）, it is characterised in that described device body（1）For cavity knot
Structure, device body（1）Bottom inwall be fixed with fix bar（2）, base（3）, the first motor（8）And fixed plate（10）, base
（3）Positioned at fix bar（2）With the first motor（8）Between, the first motor（8）And fixed plate（10）Positioned at device body（1）It is same
Side, and fixed plate（10）Positioned at the first motor（8）Side, fix bar（2）Top sulfuric acid bottle is installed（18）, sulfuric acid bottle
（18）Side bottom is provided with flow tube, base（3）Provided with beaker（6）, beaker（6）Inside there is water（5）, base（3）With the first motor
（8）Between have rotary shaft, the bottom of rotary shaft and device body（1）Bottom rotation connection, the top of rotary shaft is fixed with the
One gear（7）, first gear（7）Top be fixed with the first screw rod（13）, the first motor（8）Output shaft be fixed with the second tooth
Wheel（9）, the first screw rod（13）It is threaded with the first movable block（12）, the first movable block（12）Side the second motor is installed
（11）, the second motor（11）Output shaft pass through the first movable block（12）It is fixed with the second screw rod（14）, the second motor（11）'s
Side is fixed with connecting rod, one end of connecting rod and fixed plate（10）It is slidably connected, the first movable block（12）Side top be fixed with
Horizontally disposed guide rod, the second screw rod（14）It is threaded with the second movable block（15）, one end of guide rod passes through the second movable block
（15）, and guide rod is located at the second screw rod（14）Top, the second movable block（15）It is fixed with the 3rd motor（16）, the 3rd motor
（16）Output shaft pass through the second movable block（15）It is fixed with rotating disk（17）, rotating disk（17）Positioned at the second movable block（15）Under
Side, rotating disk（17）Low side side be fixed with clamping device, clamping device includes：4th motor（19）, jig arm support frame（20）、
3rd screw rod（24）, the 3rd movable block（21）, two jig arm（22）With two clamping plates（23）, the 4th motor（19）Top with turn
Disk（17）Low side fix, the 4th motor（19）Bottom and jig arm support frame（20）Top fix, jig arm support frame（20）
Bottom and jig arm（22）Middle part rotation connection, jig arm（22）One end and the 3rd movable block（21）Rotation connection, folder
Arm（22）The other end and clamping plate（23）Rotation connection, the 3rd screw rod（24）Top and the 4th motor（19）Output shaft consolidate
It is fixed, the 3rd movable block（21）With the 3rd screw rod（24）Threaded connection, two clamping plates（23）Between be clamped with glass bar（4）, clamping
Mechanism is located at beaker（6）Top.
A kind of 2. chemical experiment teaching device according to claim 1, it is characterised in that described device body（1）Bottom
End inwall offers neck, and one end of rotary shaft is extended in neck, and neck and rotary shaft are inverted T-shape structure, neck
Vertical inner wall is provided with bearing, and rotary shaft passes through bearing and device body（1）Bottom rotation connection.
A kind of 3. chemical experiment teaching device according to claim 1, it is characterised in that the jig arm support frame（20）For
C character form structures, the 4th motor（19）Output shaft pass through jig arm support frame（20）Top and the 3rd screw rod（24）It is fixed.
A kind of 4. chemical experiment teaching device according to claim 1, it is characterised in that the jig arm（22）For Cyclic dart
Shape structure, jig arm（22）It is divided into straight-bar and brace two parts, the junction and jig arm support frame of straight-bar and brace（20）Bottom
Rotation connection.
A kind of 5. chemical experiment teaching device according to claim 1, it is characterised in that described two clamping plates（23）Phase
Cylinder groove, glass bar are offered close to side（4）One end extend to water（5）In.
6. a kind of chemical experiment teaching device according to claim 1, it is characterised in that one end of flow tube is affixed on burning
Cup side top inwall, flow tube are provided with electrically operated valve, fixed plate（10）Close to the first screw rod（13）Side offer chute,
Connecting rod passes through chute and fixed plate（10）It is slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720929569.5U CN207187561U (en) | 2017-07-28 | 2017-07-28 | A kind of chemical experiment teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720929569.5U CN207187561U (en) | 2017-07-28 | 2017-07-28 | A kind of chemical experiment teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207187561U true CN207187561U (en) | 2018-04-06 |
Family
ID=61798993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720929569.5U Expired - Fee Related CN207187561U (en) | 2017-07-28 | 2017-07-28 | A kind of chemical experiment teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207187561U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940108A (en) * | 2018-07-20 | 2018-12-07 | 佛山科枫文化传播有限公司 | A kind of chemical experiment solution mixing arrangement |
| CN109036050A (en) * | 2018-10-29 | 2018-12-18 | 陈军杰 | A kind of teaching demonstration device of Physical Experiment |
| CN110354740A (en) * | 2019-08-22 | 2019-10-22 | 济宁医学院 | A kind of chemistry teaching shakes up mixing arrangement with reagent |
| CN112588230A (en) * | 2020-11-24 | 2021-04-02 | 重庆化工职业学院 | Reaction unit for chemical and chemical reagent treatment |
-
2017
- 2017-07-28 CN CN201720929569.5U patent/CN207187561U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940108A (en) * | 2018-07-20 | 2018-12-07 | 佛山科枫文化传播有限公司 | A kind of chemical experiment solution mixing arrangement |
| CN109036050A (en) * | 2018-10-29 | 2018-12-18 | 陈军杰 | A kind of teaching demonstration device of Physical Experiment |
| CN110354740A (en) * | 2019-08-22 | 2019-10-22 | 济宁医学院 | A kind of chemistry teaching shakes up mixing arrangement with reagent |
| CN112588230A (en) * | 2020-11-24 | 2021-04-02 | 重庆化工职业学院 | Reaction unit for chemical and chemical reagent treatment |
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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: 20180406 Termination date: 20190728 |