CN206523432U - A kind of high school chemical experiment pH value automatic detection demonstration equipment - Google Patents
A kind of high school chemical experiment pH value automatic detection demonstration equipment Download PDFInfo
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- CN206523432U CN206523432U CN201720014525.XU CN201720014525U CN206523432U CN 206523432 U CN206523432 U CN 206523432U CN 201720014525 U CN201720014525 U CN 201720014525U CN 206523432 U CN206523432 U CN 206523432U
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Abstract
The utility model is related to a kind of automatic detection demonstration equipment, more particularly to a kind of high school chemical experiment pH value automatic detection demonstration equipment.The technical problems to be solved in the utility model is to provide a kind of high school chemical experiment pH value automatic detection demonstration equipment that can be improved Students ' Learning efficiency, increase student's experience.In order to solve the above-mentioned technical problem, the utility model provides such a high school chemical experiment pH value automatic detection demonstration equipment, includes fixed mount, rotating shaft, the first motor, contact roller, the first placement plate, the second placement plate, sheet glass, beaker, fixing device, elevating lever, roller etc.；It is connected with the top of first motor at the top of rotating shaft, rotating shaft and is connected with the first placement plate, the first placement plate top left side is placed with beaker.The effect that the utility model, which has reached, can improve Students ' Learning efficiency, increase student's experience, using this equipment, can mitigate teacher and do the pressure tested, improve the job enthusiasm of student.
Description
Technical field
The utility model is related to a kind of automatic detection demonstration equipment, more particularly to a kind of high school chemical experiment is automatic with pH value
Detect demonstration equipment.
Background technology
Experiment refers to that scientific dogma and result of the test to having assert carry out confirmatory experiment, the result of some experiments
Often having known or be to determine, the purpose tested is for the result or finds out the realities different from result
Condition is tested, many times or for education or training student, allows learner to grasp certain scientific knowledge by testing.Together
When, experiment is a noun, therefore we often say and test and tested.But experiment can not be said entirely in order to confirm again
Known result, many times also for finding out new condition and changing unsuitable result, so as to possess and test
Identical is acted on.
Hydrogen ionexponent tester hydrogen ionexponent, also referred to as pH value, pH-value, are hydrogen ion activities in solution
A kind of scale, that is, on ordinary meaning solution soda acid degree criterion.
Demonstration:By some modes and instrument, information is conveyed to other people.It is the behavior that a kind of information is passed on.Profit
The process that the process of things is shown with experiment or in kind, instrument, allows people to recognize or understand.
Have the experiment that pH value is detected in the chemical book of junior three, this be teacher syllabus in one it is important interior
Hold, in order to increase learning interest of the classmates to chemistry, also for allowing classmates more to keep this important knowledge point firmly in mind, so teacher
The experiment of pH value detection can be taken action on one's own to do before this upper class, but current pH value detection is all to need teacher to carry out
Demonstration, the interest of Students ' Learning is than relatively low, and classroom is more dull, Students ' Learning efficiency is not improved, learning enthusiasm is low, it is impossible to
Improve overall learning efficiency, it is impossible to bring novelty to student, thus need badly research and development one kind can improve Students ' Learning efficiency,
Increase the high school chemical experiment pH value automatic detection demonstration equipment of student's experience.
Utility model content
（1）The technical problem to be solved
The utility model is all to need the interest ratio of teacher's progress demonstration Students ' Learning to overcome current pH value to detect
Relatively low, classroom is more dull, Students ' Learning efficiency is not improved, learning enthusiasm is low, can not improve overall learning efficiency, nothing
Method brings the shortcoming of novelty to student, and the technical problems to be solved in the utility model, which is to provide one kind, can improve Students ' Learning
Efficiency, the high school chemical experiment pH value automatic detection demonstration equipment for increasing student's experience.
（2）Technical scheme
In order to solve the above-mentioned technical problem, the utility model is examined automatically there is provided such a high school chemical experiment with pH value
Survey demonstration equipment, include fixed mount, rotating shaft, the first motor, contact roller, first place plate, second place plate, sheet glass,
Beaker, fixing device, elevating lever, roller, the first slide rail, the second slide rail, the second sliding block, movable block, connecting rod, the second motor,
Rocking bar, the first sliding block, movable plate, guide rail, connecting plate, spring and fixed stop；Fixed mount inner bottom part is provided with the first motor, first
It is connected with the top of motor at the top of rotating shaft, rotating shaft and is connected with the first placement plate, the first placement plate top left side is placed with beaker, first
Place plate top right side and place plate provided with second, the second placement plate top is placed with sheet glass, and fixed mount top left side is from up to
Under be sequentially provided with the second motor, the second slide rail and the first slide rail, the second motor and be connected with rotary type on rocking bar, rocking bar and be connected with
It is provided with the left of connecting rod, the second slide rail on the left of the second sliding block, the second sliding block and is provided with movable block, with connecting rod bottom at the top of movable block
Connected by bearing pin rotary type, be provided with movable block on the left of curved hole, movable block and be provided with connecting plate, slidingtype is set on the first slide rail
There is the first sliding block, the first slider top is provided with movable plate, and movable plate, which is provided with guide rail, guide rail, is provided with elevating lever, elevating lever top
Portion is provided with contact roller, and contact roller is contacted with connecting plate, and elevating lever top is provided with fixed stop, between fixed stop and guide rail
Spring is connected with, elevating lever bottom is provided with fixing device, and fixing device also includes arc fixed block, rubber layer, bolt and arc
Rotary type is connected with arcuate rotation block on shape moving block, arc fixed block, and spiral shell is provided between arc fixed block and arcuate rotation block
Pit, arc fixed block is provided with to coordinate in rubber layer, screwed hole with arcuate rotation block is provided with bolt.
Preferably, controller and pressure sensor are also included, fixed mount bottom right is provided with controller, and first places plate
Top left side is provided with pressure sensor, and pressure sensor, the first motor and the first motor are all connected with controller respectively.
Preferably, also include colorimetric card and place cell body, the second placement plate right side has been connected by screw colorimetric card placement
Cell body.
Preferably, fixed mount top left side passes sequentially through mode connects for screw from top to bottom the second motor, the second slide rail and
One slide rail, the output shaft of the second motor is connected with rocking bar, rocking bar by shaft coupling is connected with connecting rod by bearing pin rotary type,
Second slide rail left slide formula is provided with the second sliding block, and the second sliding block, which passes on left mode connects for screw, movable block.
Preferably, movable block, which passes on left mode connects for screw, has slidingtype on connecting plate, the first slide rail to be provided with the first sliding block, the
One slider top, which has been connected by screw on movable plate, movable plate, has been connected by screw guide rail, and guide rail inner sliding type is provided with liter
Drop and contact roller is connected with by bearing pin rotary type at the top of bar, elevating lever.
Operation principle：When needing to carry out pH value detection, experiment pH value automatic detection demonstration equipment can be used, toward burning
Being poured into cup needs the liquid that is detected, glass bar is fixed in fixing device, it is necessary to during fixation glass bar, manual rotation
Bolt, makes arc fixed block be separated with arcuate rotation block, makes glass bar being placed in arc fixed block and arcuate rotation block, manually
Bolt is resetted again, just glass bar can be fixed.PH test paper is placed on the glass sheet.Manually start the second motor
Rotate, rotate rocking bar, movable block is constantly downwardly and upwardly moved on the second slide rail, make movable plate continuous to the left and to the right
It is mobile, connecting plate is constantly downwardly and upwardly moved, elevating lever is constantly downwardly and upwardly moved, make on the continuous left and right of glass bar
Lower movement, moves up and down and enters in beaker, moves left and right and the liquid in beaker is stirred, and after a period of time, works as glass
It is artificial to close the second motor when glass rod resets.Manually starting the first motor makes the first placement plate rotate 180 degree, makes sheet glass position
In the underface of glass bar, the first motor is closed, the rotation of the second motor is manually started, rotates rocking bar, make movable block second
Constantly downwardly and upwardly moved on slide rail, movable plate constantly to the left and is moved right, connecting plate is constantly downwardly and upwardly moved
It is dynamic, elevating lever is constantly downwardly and upwardly moved, move up and down glass bar constantly left and right, move up and down and touch pH test paper,
Moving left and right glass bar can be such that the liquid that just libation at an ancient wedding ceremony has been got is coated on pH test paper, to observe the color regime of pH test paper, judge
The pH value of liquid, after coating, closes the second motor.
Because also including controller and pressure sensor, fixed mount bottom right is provided with controller, and first places plate top
Pressure sensor is provided with the left of portion, pressure sensor, the first motor and the first motor are all connected with controller respectively, when in beaker
When loading liquid, pressure sensor senses pressure, and pressure sensor transmits signal to controller, and controller controls the second motor
Rotate, rotate rocking bar, movable block is constantly downwardly and upwardly moved on the second slide rail, make movable plate continuous to the left and to the right
It is mobile, connecting plate is constantly downwardly and upwardly moved, elevating lever is constantly downwardly and upwardly moved, make on the continuous left and right of glass bar
Lower movement, moves up and down and enters in beaker, moves left and right and the liquid in beaker is stirred, after a period of time, stirring
Finish, when glass bar resets, controller controls the second motor to close, and controller controls the first motor to rotate the first placement plate
180 degree, makes sheet glass be located at the underface of glass bar, and controller controls the first motor to close, and controller controls the second motor to turn
It is dynamic, rotate rocking bar, movable block is constantly downwardly and upwardly moved on the second slide rail, make movable plate constantly to the left with move right
It is dynamic, connecting plate is constantly downwardly and upwardly moved, elevating lever is constantly downwardly and upwardly moved, make above and below the continuous left and right of glass bar
It is mobile, move up and down and touch pH test paper, moving left and right glass bar can be such that the liquid that just libation at an ancient wedding ceremony has been got is coated on pH test paper, with
The color regime of pH test paper is observed, the pH value of liquid is judged, controller controls the second motor to close.
Because also including colorimetric card and placing colorimetric card standing groove has been connected by screw on the right side of cell body, the second placement plate
Colorimetric card, can be placed in colorimetric card standing groove body, can more intuitively be compared by body.
There are the second motor, the second slide rail and first to slide because fixed mount top left side passes sequentially through mode connects for screw from top to bottom
Rail, the output shaft of the second motor is connected with rocking bar, rocking bar by shaft coupling is connected with connecting rod, second by bearing pin rotary type
Slide rail left slide formula is provided with the second sliding block, and the second sliding block, which passes on left mode connects for screw, movable block, and using effect is better.
There is slidingtype on connecting plate, the first slide rail to be provided with the first sliding block, first because movable block passes on left mode connects for screw
Slider top, which has been connected by screw on movable plate, movable plate, has been connected by screw guide rail, and guide rail inner sliding type is provided with lifting
Contact roller is connected with by bearing pin rotary type at the top of bar, elevating lever, device is more stablized.
Controller selection Xiamen sea is that the sea of Science and Technology Ltd.'s production is outside S32S0T type PLCs, main frame
24VDC powers, the input of 16 tunnels, the output of 16 tunnels.
SunYuanSYLED6 digital display meters are accessed in transmitter measuring circuit with plug line, the function of the table be by 0-5V,
The pick-up signals such as 0-10V, 1-5V, 0- ± 200mV, 0-20mA, 4-20mA linearly, are accordingly entered by the scope of setting with ten
Digital quantity processed is shown.The physical quantitys such as temperature, pressure, flow, liquid level are converted into standard electric by various related sensors
After current voltage signal, then the digital display meter is accessed, the physical quantitys such as temperature, pressure, flow, liquid level are shown in real time, it is convenient
User is monitored control.Meanwhile, digital display meter possesses warning function, the band isolated output switch parameter of two-way, by presetting
Good related numerical value, such as：Higher than a certain numerical value or less than a certain numerical value, it is possible to achieve display, control and alarm.
Pressure sensor connection model SYLED6 the first digital display meter, sets one output switch parameter, sets its low
When higher than a certain pressure value, output signal.
The definition of input/output port is：X0 is starting switch, and X1 is shutdown switch, and X2 is emergency stop switch, and X3 is connection
First digital display meter of pressure sensor；Y0 is that the contactor KM0, Y1 rotated for the first motor is to be rotated for the first motor
Contactor KM1.Electric control theory figure according to Fig. 5, those skilled in the art does not need performing creative labour, i.e.,
It can intuitively write out PLC by trapezoidal pattern programming language and control what each part was acted by above-mentioned operation principle
PLC program, realizes the intellectuality of present apparatus operation, the dependent instruction of programming is all prior art, be will not be repeated here.
（3）Beneficial effect
The effect that the utility model, which has reached, can improve Students ' Learning efficiency, increase student's experience, using this equipment,
Teacher can be mitigated and do the pressure tested, the job enthusiasm of student is improved, the overall learning efficiency of student can be improved, make classroom
It is no longer dull barren, increase the interest in classroom.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is the overlooking the structure diagram of the utility model fixing device.
Fig. 3 is second of main structure diagram of the present utility model.
Fig. 4 is electric control theory figure of the present utility model.
Fig. 5 is the third main structure diagram of the present utility model.
Mark in accompanying drawing for：1- fixed mounts, 2- rotating shafts, the motors of 3- first, 4- contact rollers, 5- first places plate, 6-
Second places plate, and 7- sheet glass, 8- beakers, 9- fixing devices, 10- elevating levers, 11- rollers, the slide rails of 12- first, 13- is curved
Hole, the slide rails of 14- second, the sliding blocks of 15- second, 16- movable blocks, 17- connecting rods, the motors of 18- second, 19- rocking bars, 20- first is slided
Block, 21- movable plates, 22- guide rails, 23- connecting plates, 24- springs, 25- fixed stops, 901- arc fixed blocks, 902- rubber layers,
903- bolts, 904- screwed holes, 905- arcuate rotation blocks, 26- controllers, 27- pressure sensors, 28- colorimetric cards place cell body.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of high school chemical experiment pH value automatic detection demonstration equipment, as Figure 1-5, includes fixed mount 1, rotating shaft
2nd, the first motor 3, contact roller 4, first place plate 5, second and place plate 6, sheet glass 7, beaker 8, fixing device 9, elevating lever
10th, roller 11, the first slide rail 12, the second slide rail 14, the second sliding block 15, movable block 16, connecting rod 17, the second motor 18, rocking bar
19th, the first sliding block 20, movable plate 21, guide rail 22, connecting plate 23, spring 24 and fixed stop 25；The inner bottom part of fixed mount 1 is provided with the
One motor 3, the top of the first motor 3 is connected with rotating shaft 2, and the top of rotating shaft 2 is connected with the first placement plate 5, and first places the top left of plate 5
Side is placed with beaker 8, and first places the top right side of plate 5 places plate 6 provided with second, and the top of the second placement plate 6 is placed with sheet glass
7, the top left side of fixed mount 1 is sequentially provided with the second motor 18, the second slide rail 14 and the first slide rail 12, the second motor 18 from top to bottom
On be connected with rotary type on rocking bar 19, rocking bar 19 and be connected with connecting rod 17, the left side of the second slide rail 14 is provided with the second sliding block 15, second
The left side of sliding block 15 is provided with movable block 16, and the top of movable block 16 is connected with the bottom of connecting rod 17 by bearing pin rotary type, movable block 16
On be provided with curved hole 13, the left side of movable block 16 is provided with slidingtype on connecting plate 23, the first slide rail 12 and is provided with the first sliding block 20, first
The top of sliding block 20 is provided with movable plate 21, and movable plate 21, which is provided with guide rail 22, guide rail 22, is provided with elevating lever 10, the top of elevating lever 10
Provided with contact roller 4, contact roller 4 is contacted with connecting plate 23, the top of elevating lever 10 be provided with fixed stop 25, fixed stop 25 with
Spring 24 is connected between guide rail 22, the bottom of elevating lever 10 is provided with fixing device 9, and fixing device 9 also includes arc fixed block
901st, rotary type is connected with arcuate rotation block on rubber layer 902, bolt 903 and arcuate rotation block 905, arc fixed block 901
905, screwed hole 904, arc fixed block 901 and arcuate rotation block are provided between arc fixed block 901 and arcuate rotation block 905
905, which are provided with cooperation in rubber layer 902, screwed hole 904, is provided with bolt 903.
Also include controller 26 and pressure sensor 27, the bottom right of fixed mount 1 is provided with controller 26, and first places plate
5 top left sides are provided with pressure sensor 27, and pressure sensor 27, the first motor 3 and the first motor 3 all connect with controller 26 respectively
Connect.
Also include colorimetric card and place cell body 28, the right side of the second placement plate 6 has been connected by screw colorimetric card and has placed cell body
28。
The top left side of fixed mount 1 passes sequentially through mode connects for screw from top to bottom the second motor 18, the second slide rail 14 and first
Slide rail 12, the output shaft of the second motor 18 is connected with rocking bar 19, rocking bar 19 by shaft coupling to be connected with by bearing pin rotary type
Connecting rod 17, the left slide formula of the second slide rail 14 is provided with the second sliding block 15, and the second sliding block 15, which passes on left mode connects for screw, movement
Block 16.
Movable block 16, which passes on left mode connects for screw, has slidingtype on connecting plate 23, the first slide rail 12 to be provided with the first sliding block 20,
The top of first sliding block 20, which has been connected by screw on movable plate 21, movable plate 21, has been connected by screw guide rail 22, in guide rail 22
Slidingtype is provided with elevating lever 10, and the top of elevating lever 10 is connected with contact roller 4 by bearing pin rotary type.
Operation principle：When needing to carry out pH value detection, experiment pH value automatic detection demonstration equipment can be used, toward burning
The liquid for needing to be detected is poured into cup 8, glass bar is fixed in fixing device 9, it is necessary to when fixing glass bar, manually turn
Dynamic bolt 903, makes arc fixed block 901 be separated with arcuate rotation block 905, makes glass bar being placed in arc fixed block 901 and arc
In shape moving block 905, manually bolt 903 is resetted again, just glass bar can be fixed.PH test paper is placed on glass
On piece 7.Manually start the second motor 18 to rotate, rotate rocking bar 19, make movable block 16 on the second slide rail 14 constantly downwards and
Move up, movable plate 21 constantly to the left and is moved right, connecting plate 23 is constantly downwardly and upwardly moved, make elevating lever 10
Constantly downwardly and upwardly move, move up and down glass bar constantly left and right, move up and down and enter in beaker 8, move left and right pair
Liquid in beaker 8 is stirred, after a period of time, when glass bar resets, artificial to close the second motor 18.Manually start
First motor 3 makes the first placement plate 5 rotate 180 degree, sheet glass 7 is located at the underface of glass bar, closes the first motor 3, people
Work starts the second motor 18 and rotated, and rotates rocking bar 19, movable block 16 is constantly downwardly and upwardly moved on the second slide rail 14,
Movable plate 21 constantly to the left and is moved right, connecting plate 23 is constantly downwardly and upwardly moved, make elevating lever 10 constantly downward
With move up, make glass bar constantly left and right move up and down, move up and down and touch pH test paper, moving left and right glass bar can make
The liquid that just libation at an ancient wedding ceremony has been got is coated on pH test paper, to observe the color regime of pH test paper, judges the pH value of liquid, after coating,
Close the second motor 18.
Because also including controller 26 and pressure sensor 27, the bottom right of fixed mount 1 is provided with controller 26, and first puts
The top left side of plate 5 is put provided with pressure sensor 27, pressure sensor 27, the first motor 3 and the first motor 3 all respectively with controller
26 connections, when loading liquid in beaker 8, pressure sensor 27 senses pressure, and the transmission signal of pressure sensor 27 is extremely controlled
Device 26, controller 26 controls the second motor 18 to rotate, and rotates rocking bar 19, makes movable block 16 constantly downward on the second slide rail 14
With move up, movable plate 21 constantly to the left and is moved right, connecting plate 23 is constantly downwardly and upwardly moved, make elevating lever
10 constantly downwardly and upwardly move, and move up and down glass bar constantly left and right, move up and down and enter in beaker 8, move left and right
Liquid in beaker 8 is stirred, after a period of time, stirring is finished, when glass bar resets, the control of controller 26 second
Motor 18 is closed, and controller 26 controls the first motor 3 the first placement plate 5 is rotated 180 degree, sheet glass 7 is located at glass bar
Underface, controller 26 controls the first motor 3 to close, and controller 26 controls the second motor 18 to rotate, and rotates rocking bar 19, makes shifting
Motion block 16 is constantly downwardly and upwardly moved on the second slide rail 14, movable plate 21 constantly to the left and is moved right, is made connecting plate
23 constantly downwardly and upwardly move, and elevating lever 10 is constantly downwardly and upwardly moved, and move up and down glass bar constantly left and right, on
Lower movement touches pH test paper, and moving left and right glass bar can be such that the liquid that just libation at an ancient wedding ceremony has been got is coated on pH test paper, to observe pH
The color regime of test paper, judges the pH value of liquid, and controller 26 controls the second motor 18 to close.
Because also including colorimetric card places cell body 28, the right side of the second placement plate 6 has been connected by screw colorimetric card placement
Colorimetric card, can be placed on colorimetric card and place in cell body 28, can more intuitively be compared by cell body 28.
Because the top left side of fixed mount 1 passes sequentially through mode connects for screw from top to bottom the second motor 18, the and of the second slide rail 14
First slide rail 12, the output shaft of the second motor 18 is connected with rocking bar 19, rocking bar 19 by shaft coupling to be connected by bearing pin rotary type
Connecting rod 17 is connected to, the left slide formula of the second slide rail 14 is provided with the second sliding block 15, and the second sliding block 15, which passes on left mode connects for screw, to be had
Movable block 16, using effect is better.
There is slidingtype on connecting plate 23, the first slide rail 12 to be provided with the first sliding block because movable block 16 passes on left mode connects for screw
20, the top of the first sliding block 20, which has been connected by screw on movable plate 21, movable plate 21, has been connected by screw guide rail 22, guide rail 22
Inner sliding type is provided with elevating lever 10, and the top of elevating lever 10 is connected with contact roller 4 by bearing pin rotary type, and device is more stablized.
The selection of controller 26 Xiamen sea is that the sea of Science and Technology Ltd.'s production is outside S32S0T types PLC 26, main frame
Portion 24VDC powers, the input of 16 tunnels, the output of 16 tunnels.
SunYuanSYLED6 digital display meters are accessed in transmitter measuring circuit with plug line, the function of the table be by 0-5V,
The pick-up signals such as 0-10V, 1-5V, 0- ± 200mV, 0-20mA, 4-20mA linearly, are accordingly entered by the scope of setting with ten
Digital quantity processed is shown.The physical quantitys such as temperature, pressure, flow, liquid level are converted into standard electric by various related sensors
After current voltage signal, then the digital display meter is accessed, the physical quantitys such as temperature, pressure, flow, liquid level are shown in real time, it is convenient
User is monitored control.Meanwhile, digital display meter possesses warning function, the band isolated output switch parameter of two-way, by presetting
Good related numerical value, such as：Higher than a certain numerical value or less than a certain numerical value, it is possible to achieve display, control and alarm.
The connection model of pressure sensor 27 SYLED6 the first digital display meter, sets one output switch parameter, sets it
During less than higher than a certain pressure value, output signal.
The definition of input/output port is：X0 is starting switch, and X1 is shutdown switch, and X2 is emergency stop switch, and X3 is connection
First digital display meter of pressure sensor 27；Y0 is the contactor KM0 rotated for the first motor 3, and Y1 is for 3 turns of the first motor
Dynamic contactor KM1.Electric control theory figure according to Fig. 5, the labor that those skilled in the art need not be creative
It is dynamic, you can by trapezoidal pattern programming language, intuitively write out PLC 26 and control each part to carry out by above-mentioned operation principle
The PLC program of action, realizes the intellectuality of present apparatus operation, the dependent instruction of programming is all prior art, be will not be repeated here.
Embodiment described above only expresses preferred embodiment of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all
Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of high school chemical experiment pH value automatic detection demonstration equipment, it is characterised in that include fixed mount（1）, rotating shaft
（2）, the first motor（3）, contact roller（4）, first place plate（5）, second place plate（6）, sheet glass（7）, beaker（8）, it is solid
Determine device（9）, elevating lever（10）, roller（11）, the first slide rail（12）, the second slide rail（14）, the second sliding block（15）, movable block
（16）, connecting rod（17）, the second motor（18）, rocking bar（19）, the first sliding block（20）, movable plate（21）, guide rail（22）, connecting plate
（23）, spring（24）And fixed stop（25）；Fixed mount（1）Inner bottom part is provided with the first motor（3）, the first motor（3）Top connects
It is connected to rotating shaft（2）, rotating shaft（2）Top is connected with the first placement plate（5）, first places plate（5）Top left side is placed with beaker
（8）, first places plate（5）Top right side places plate provided with second（6）, second places plate（6）Top is placed with sheet glass（7）,
Fixed mount（1）Top left side is sequentially provided with the second motor from top to bottom（18）, the second slide rail（14）With the first slide rail（12）, second
Motor（18）On be connected with rocking bar（19）, rocking bar（19）Upper rotary type is connected with connecting rod（17）, the second slide rail（14）Left side is set
There is the second sliding block（15）, the second sliding block（15）Left side is provided with movable block（16）, movable block（16）Top and connecting rod（17）Bottom
Connected by bearing pin rotary type, movable block（16）On be provided with curved hole（13）, movable block（16）Left side is provided with connecting plate（23）, the
One slide rail（12）Upper slidingtype is provided with the first sliding block（20）, the first sliding block（20）Top is provided with movable plate（21）, movable plate（21）
It is provided with guide rail（22）, guide rail（22）It is interior to be provided with elevating lever（10）, elevating lever（10）Top is provided with contact roller（4）, contact rolling
Wheel（4）With connecting plate（23）Contact, elevating lever（10）Top is provided with fixed stop（25）, fixed stop（25）With guide rail（22）It
Between be connected with spring（24）, elevating lever（10）Bottom is provided with fixing device（9）, fixing device（9）Also include arc fixed block
（901）, rubber layer（902）, bolt（903）With arcuate rotation block（905）, arc fixed block（901）Upper rotary type is connected with arc
Shape moving block（905）, arc fixed block（901）With arcuate rotation block（905）Between be provided with screwed hole（904）, arc fixed block
（901）With arcuate rotation block（905）It is provided with rubber layer（902）, screwed hole（904）It is interior to coordinate provided with bolt（903）.
2. a kind of high school chemical experiment according to claim 1 pH value automatic detection demonstration equipment, it is characterised in that also
Include controller（26）And pressure sensor（27）, fixed mount（1）Bottom right is provided with controller（26）, first places plate
（5）Top left side is provided with pressure sensor（27）, pressure sensor（27）, the first motor（3）With the first motor（3）All respectively with
Controller（26）Connection.
3. a kind of high school chemical experiment according to claim 1 pH value automatic detection demonstration equipment, it is characterised in that also
Include colorimetric card and place cell body（28）, second places plate（6）Right side has been connected by screw colorimetric card and has placed cell body（28）.
4. a kind of high school chemical experiment according to claim 1 pH value automatic detection demonstration equipment, it is characterised in that Gu
Determine frame（1）Top left side passes sequentially through mode connects for screw from top to bottom the second motor（18）, the second slide rail（14）With the first slide rail
（12）, the second motor（18）Output shaft rocking bar is connected with by shaft coupling（19）, rocking bar（19）It is upper to be connected by bearing pin rotary type
It is connected to connecting rod（17）, the second slide rail（14）Left slide formula is provided with the second sliding block（15）, the second sliding block（15）Pass on left spiral shell
Nail is connected with movable block（16）.
5. a kind of high school chemical experiment according to claim 1 pH value automatic detection demonstration equipment, it is characterised in that move
Motion block（16）Passing on left mode connects for screw has connecting plate（23）, the first slide rail（12）Upper slidingtype is provided with the first sliding block（20）, the
One sliding block（20）Top has been connected by screw movable plate（21）, movable plate（21）On be connected by screw guide rail（22）, lead
Rail（22）Inner sliding type is provided with elevating lever（10）, elevating lever（10）Top is connected with contact roller by bearing pin rotary type（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014525.XU CN206523432U (en) | 2017-01-06 | 2017-01-06 | A kind of high school chemical experiment pH value automatic detection demonstration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014525.XU CN206523432U (en) | 2017-01-06 | 2017-01-06 | A kind of high school chemical experiment pH value automatic detection demonstration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523432U true CN206523432U (en) | 2017-09-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817327A (en) * | 2017-12-07 | 2018-03-20 | 鄢海军 | A kind of high-efficiency sewage acidity-basicity tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817327A (en) * | 2017-12-07 | 2018-03-20 | 鄢海军 | A kind of high-efficiency sewage acidity-basicity tester |
| CN107817327B (en) * | 2017-12-07 | 2020-05-15 | 江苏融汇环境工程有限公司 | High-efficient sewage pH valve detection device |
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