Bench for chemistry experiment
Technical field
The present invention relates to a kind of chemistry teaching apparatus, specifically a kind of bench for chemistry experiment.
Background technology
Student is when doing chemical experiment, and laboratory table is the most necessary equipment, and in existing chemistry teaching, just lacks
Such in-class experiment device, so that chemistry teaching does not reaches preferable effect.
Meanwhile, the testing stand smooth surface of existing applied chemistry, experiment container etc. all puts on the table, and desktop is also
For the place of operator's experimental implementation, so, container not only hinders operator to test, and is also easy to fall down table top and damages
Bad, and easily splash during dosing and with student, cause chemical drugs corrosion accident.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of bench for chemistry experiment, it is possible in the presence of solving prior art
The problems referred to above.
The present invention for achieving the above object, is achieved through the following technical solutions:
A kind of bench for chemistry experiment, the riser including laboratory table body, being perpendicularly fixed on described laboratory table body, temperature measurement component,
Collection and confinement of gases assembly and storing unit, described riser includes that fixed support, collection and confinement of gases assembly fix groove, temperature measurement component translation
Groove, temperature measurement component chute and temperature measurement component storage tank, described fixed support is provided with equally distributed test tube and fixes groove and gas storage
The fixing groove of pipe, described test tube fix groove and described cylinder to fix groove be integral type structure, described collection and confinement of gases assembly passes through institute
State collection and confinement of gases assembly to fix groove and be connected with described riser, on front side of described riser, be provided with described storing unit, described in deposit
Put device and include photographic head, spacing preiection, the second telescopic joint, spacing hole, the first telescopic joint, expansion link, groove, baffle plate, described
Groove is arranged on described laboratory table body surface and outside and is hinged with described baffle plate by rotating shaft, and described groove intracavity bottom is provided with
Expansion link, it is hollow structure and described first that the connection of described expansion link upper end has described first telescopic joint, described first telescopic joint
Being uniformly provided with described spacing hole on telescopic joint, described first telescopic joint is socketed with described second telescopic joint, described second telescopic joint
Uniformly be fixed with the described spacing preiection coordinated with described spacing hole by elastic plectrum, described second telescopic joint top is by turning
Axle is fixed with described photographic head, described laboratory table body is provided with fix with described test tube test tube kerve corresponding to groove and with institute
State cylinder and fix the cylinder kerve that groove is corresponding, described riser is positioned at described test tube and fixes the surface of groove and be vertically arranged
Have and fix the quantity of groove and the temperature measurement component chute that position is corresponding with described test tube, described riser is positioned at described thermometric group
The top of part chute is provided with the temperature measurement component translation groove vertical with described temperature measurement component chute, described temperature measurement component chute and institute
Stating temperature measurement component translation groove and be groove, described temperature measurement component includes thermometer and thermometer fixed mount, and described thermometer is fixed
One end of frame is provided with the through hole for fixing described thermometer, is provided with fixing cushion rubber, described thermometer and institute in described through hole
Stating fixing cushion rubber interference fit, the other end of described thermometer fixed mount is fixed with fixed disk, and described fixed disk is away from described temperature
One end of degree meter is provided with slipping block, described fixed disk away from the end face of one end of described thermometer with described riser near described
The end face of one end of thermometer coordinates so that described slipping block is sliding with described temperature measurement component chute or described temperature measurement component translation groove
Dynamic cooperation, described slipping block is provided with threaded post away from one end of described fixed disk, and described threaded post is away from described
Threadeding with female thread cylinder in one end of slipping block, described female thread cylinder is fixed with away from one end of described threaded post
Handle, the external diameter of described female thread cylinder and described fixed disk is more than described temperature measurement component chute and described temperature measurement component translation groove
Width.
As restriction, also including the rack being connected on described laboratory table body, described rack is arranged at described vertical
On the right side of plate, described rack includes that test tube storage tank, beaker storage tank, beaker deposit kerve and test tube storage bracket, described reality
Test playscript with stage directions body and deposit being provided with the test tube identical with described test tube storage tank quantity with described test tube storage tank corresponding position
Support, described test tube storage bracket one end and described laboratory table body are connected and the other end is through the center of circle of described test tube storage tank
Position, described laboratory table body deposits kerve being provided with beaker with described beaker storage tank corresponding position.
Limiting as another kind, described collection and confinement of gases assembly includes collecting pipe and receives for fixing the gas of described collecting pipe
The fixing device of collection assembly, the fixing device of described collection and confinement of gases assembly includes fastening bolt, pillar, sliding bar set, the first folder
Holding block, the second grip block, pretension bolt, extension rod, regulation screw and gripper jaw, described pillar is fixed on described laboratory table body
On, on described pillar, slip cap is provided with described sliding bar set, and described sliding bar set includes slip cap and rod end, described slip cap
Sidewall and described intercolumniation are provided with described fastening bolt, and described rod end is arranged with described first grip block and described second clamping
Described extension rod, the upper square thread of described first grip block it is additionally provided with on block, described first grip block and described second grip block
Connecting and have described pretension bolt, described extension rod has described gripper jaw, described extension away from one end connection of described pretension bolt
Bar and described collection and confinement of gases assembly are fixed slot fit and can fix groove slip along described collection and confinement of gases assembly, and described gripper jaw sets
Having described regulation screw, be provided with seal rubber plug at the upper opening of described collecting pipe, described seal rubber plug is provided with air inlet
With steam vent to connect air inlet pipe and exhaustor respectively, described air inlet pipe one end is stretched out described seal rubber plug and is connected with connection rubber tube
Arranging and the other end extends to bottom described collecting pipe, described connection rubber tube is connected with described air induction conduit, described air induction conduit
Through air inlet plug, described air inlet plug seals with the opening of described cylinder when described collecting pipe collects gas and coordinates.
Limiting as another kind, described collection and confinement of gases assembly fixes groove level height on described riser higher than described examination
The fixing groove of pipe and described cylinder fix the height of groove.
Limiting as another kind, the clamping part of described gripper jaw is provided with Anti-slip cover, and described Anti-slip cover is quality of rubber materials.
As further limiting, described riser is connected by riser fixed support with described laboratory table body, described
Riser fixed support includes vertical fixed plate, horizontal fixed plate and fixed plate link, and described vertical fixed plate is by fixing spiral shell
Bolt is connected with described riser, and described horizontal fixed plate is connected with described laboratory table body by fixing bolt, described the most fixing
One end of plate and an end vertical of described horizontal fixed plate are connected, the described rectangular triangle of fixed plate link and
Orthogonal two right-angle sides are connected with described vertical fixed plate and described horizontal fixed plate respectively.
As restriction, the junction of described laboratory table body and described riser is provided with four riser fixed supports, described
It is arranged with two described riser fixed supports on front side of riser, on rear side of described riser, is arranged with fixing of two described risers
Frame, described riser fixed support is all described to be separately fixed at by described riser fixed support with fixing nut screw connection by screw
On riser and described laboratory table body.
As further limiting, described fixed plate link being provided with lightening hole, described lightening hole is triangle.
Due to the fact that and have employed above-mentioned structure, its compared with prior art, acquired technological progress is:
The collecting pipe of the present invention can realize rotating by rotating gripper jaw, by extension rod with to fix groove along collection and confinement of gases assembly sliding
On dynamic, pillar, slip cap is provided with sliding bar set, and the vertical height of collecting pipe described in scalable also can be realized folder by extension rod
Hold the regulation of pawl horizontal level, by the clamping dynamics of regulation screw regulation gripper jaw, in order to be applicable to different size specification
Collecting pipe, collects the gas that density is less than air when Open Side Down for collecting pipe, collects density ratio when collecting pipe opening upwards
The gas that air is big, to reach preferable experiment effect;The present invention can facilitate fetching or depositing of experimental apparatus, can keep away simultaneously
Exempting from the damage that experimental apparatus is unnecessary, and can carry out depositing of kinds of experiments equipment, and then can demonstrate multiple chemical experiment, it leads to
Strong by property, learning effect can be promoted, it is ensured that teaching vivid and interesting, the present invention is suitable for extensively applying in chemistry teaching;The present invention
Be provided with temperature measurement component chute and temperature measurement component translation groove, it is ensured that temperature measurement component can the freest sliding, can pass through one group
Temperature measurement component carries out temperature survey, highly versatile to multiple test tube;The present invention, by arranging storing unit, can make photographic head
It is arranged in groove etc. telescopic, has saved the usable area of experiment table top, when needs image, made after being opened by baffle plate to take the photograph
As head stretches out, and coordinate with spacing preiection realize chemical experiment figure that is spacing, that will be collected by photographic head by spacing hole
As generating video through video encoder such that it is able to make student see experiment reaction and experimental procedure more intuitively, significantly
Improve student learning efficiency.
To sum up, present configuration is simple, it is possible to meets chemistry teaching demand, and can reach good teaching efficiency.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with embodiments of the invention
It is used for together explaining the present invention, is not intended that limitation of the present invention.
Fig. 1 is the overall structure schematic diagram described in the embodiment of the present invention.
Fig. 2 is the front portion structure schematic diagram of the laboratory table body described in the embodiment of the present invention.
Fig. 3 is the rear structure schematic diagram of the riser described in the embodiment of the present invention.
Fig. 4 is the structural representation of the temperature measurement component described in the embodiment of the present invention.
Fig. 5 is the structural representation of the collection and confinement of gases assembly described in the embodiment of the present invention.
Fig. 6 is the structural representation of the fixing device of the collection and confinement of gases assembly described in the embodiment of the present invention.
In the accompanying drawings: 1, laboratory table body;11, test tube kerve;12, cylinder kerve;2, riser;21, fixed support;
22, groove fixed by test tube;23, cylinder fixes groove;24, groove fixed by collection and confinement of gases assembly;25, riser fixed support;251, vertical
Fixed plate;252, horizontal fixed plate;253, fixed plate link;254, fixing bolt;255, lightening hole;26, temperature measurement component is put down
Move groove;27, temperature measurement component chute;28, temperature measurement component storage tank;3, temperature measurement component;31, thermometer;32, thermometer fixed mount;
33, fixing cushion rubber;34, fixed disk;35, slipping block;36, threaded post;37, female thread cylinder;38, handle;4, gas is received
Collection assembly;41, the fixing device of collection and confinement of gases assembly;410, fastening bolt;411, pillar;412, sliding bar set;413, first
Grip block;414, the second grip block;415, pretension bolt;416, extension rod;417, regulation screw;418, gripper jaw;419, anti-
Sliding sleeve;42, air inlet pipe;43, exhaustor;44, seal rubber plug;45, connection rubber tube;46, air induction conduit;47, air inlet plug;48、
Cylinder;49, collecting pipe;5, rack;51, test tube storage tank;52, beaker storage tank;53, kerve deposited by beaker;54, test tube
Storage bracket;6, storing unit;61, photographic head;62, spacing preiection;63, the first telescopic joint;64, spacing hole;65, second stretches
Joint;66, expansion link;67, groove;68, baffle plate.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art will be consequently realised that,
In the case of without departing from the spirit and scope of the present invention, by various different modes, described embodiment can be repaiied
Just.Therefore, accompanying drawing and description are inherently the most illustrative rather than are used for limiting scope of the claims.
It should be noted that the herein presented noun of locality " forward and backward " is all that riser is fixed on test
During playscript with stage directions body on the basis of the plane at riser place, wherein, " front " refers to the riser direction towards temperature measurement component, and " afterwards " refers to
Be the riser direction that deviates from temperature measurement component, it is to be understood that the appearance of the above-mentioned noun of locality is merely to clearly state technology
Scheme, the technical scheme that the present invention is claimed is not intended that restriction.
As shown in figs 1 to 6, optical bench according to embodiments of the present invention, including laboratory table body 1, it is perpendicularly fixed at
Riser 2, temperature measurement component 3, collection and confinement of gases assembly 4 and storing unit 6 on described laboratory table body 1, described riser 2 includes fixing
Support 21, collection and confinement of gases assembly fix groove 24, temperature measurement component translation groove 26, temperature measurement component chute 27 and temperature measurement component storage tank
28, described fixed support 21 is provided with equally distributed test tube and fixes groove 22 and cylinder fixes groove 23, and groove fixed by described test tube
22 and described cylinder fix groove 23 for integral type structure, described collection and confinement of gases assembly 4 is fixed by described collection and confinement of gases assembly
Groove 24 is connected with described riser 2, is provided with described storing unit 6 on front side of described riser 2, and described storing unit 6 includes taking the photograph
Picture 61, spacing preiection the 62, second telescopic joint 63, spacing hole the 64, first telescopic joint 65, expansion link 66, groove 67, baffle plate 68,
Described groove 67 is arranged on described laboratory table body 1 surface and outside and is hinged with described baffle plate 68, described groove 67 by rotating shaft
Intracavity bottom is provided with expansion link 66, and described expansion link 66 upper end connects described first telescopic joint 63, described first telescopic joint 63
For being uniformly provided with described spacing hole 64 on hollow structure and described first telescopic joint 63, described first telescopic joint 63 is socketed with described
Second telescopic joint 65, described second telescopic joint 65 is uniformly fixed with, by elastic plectrum, the described limit coordinated with described spacing hole 64
Position protruding 62, described second telescopic joint 65 top is fixed with described photographic head 61 by rotating shaft, and described laboratory table body 1 is arranged
Have and fix test tube kerve 11 corresponding to groove 22 with described test tube and fix, with described cylinder, the cylinder kerve 12 that groove 23 is corresponding,
Described riser 2 is positioned at described test tube fix the surface of groove 22 be vertically arranged with described test tube fix groove 22 quantity and
The temperature measurement component chute 27 that position is corresponding, described riser 2 is positioned at the top of described temperature measurement component chute 27 be provided with
The temperature measurement component translation groove 26 that described temperature measurement component chute 27 is vertical, described temperature measurement component chute 27 and the translation of described temperature measurement component
Groove 26 is groove, and described temperature measurement component 3 includes thermometer 31 and thermometer fixed mount 32, the one of described thermometer fixed mount 32
End is provided with the through hole for fixing described thermometer 31, is provided with fixing cushion rubber 33, described thermometer 31 and institute in described through hole
Stating fixing cushion rubber 33 interference fit, the other end of described thermometer fixed mount 32 is fixed with fixed disk 34, and described fixed disk 34 is remote
Be provided with slipping block 35 from one end of described thermometer 31, described fixed disk 34 away from one end of described thermometer 31 end face with
The described riser 2 end face near one end of described thermometer 31 coordinates so that described slipping block 35 and described temperature measurement component chute 27
Or described temperature measurement component translation groove 26 is slidably matched, described slipping block 35 is provided with screw thread even away from one end of described fixed disk 34
Connecing post 36, described threaded post 36 is threadeded with female thread cylinder 37 away from one end of described slipping block 35, described interior spiral shell
Stricture of vagina cylinder 37 is fixed with handle 38, described female thread cylinder 37 and described fixed disk 34 away from one end of described threaded post 36
External diameter more than described temperature measurement component chute 27 and described temperature measurement component translation groove 26 width.
In the present invention, described test tube kerve 11 and described cylinder kerve 12 are the circles of processing on laboratory table body 1
Shape groove, described test tube fixes groove 22 and is fixed test tube together with described test tube kerve 11, described cylinder fix groove 23 with
Gas storage test tube is fixed by described cylinder kerve 12 together, thus ensures the stability that test tube is fixing.At temperature measurement component 3
In, fixing cushion rubber 33 uses integral structure with thermometer fixed mount 32, fixes cushion rubber 33 and thermometer 31 interference fit simultaneously
Ensureing fixing firm, thermometer fixed mount 32 rear is designed with fixed disk 34, and fixed disk 34 rear is designed with slipping block 35, sliding
Block 35 rear is designed with threaded post 36, threaded post 36 and the operating mechanism being made up of female thread cylinder 37 and handle 38
Connecting, slipping block 35 can slide, when running to temperature measurement component chute in temperature measurement component translation groove 26, temperature measurement component chute 27
Time bottom 27, start experiment is carried out thermometric, only need to tighten handle 38 when optional position is wanted to be locked, can shorten fixing
Distance between dish 34 and female thread cylinder 37, it is achieved be fixed.
The present invention can facilitate fetching or depositing of experimental apparatus, can avoid the damage that experimental apparatus is unnecessary simultaneously, and
Depositing of kinds of experiments equipment can be carried out, and then multiple chemical experiment can be demonstrated, its highly versatile, learning effect can be promoted, protect
Card teaching vivid and interesting, the present invention is suitable for extensively applying in chemistry teaching;The present invention is provided with temperature measurement component chute 27 and surveys
Temperature assembly translation groove 26, it is ensured that temperature measurement component 3 can the freest sliding, can pass through one group of temperature measurement component 3 to multiple experiments
Test tube carries out temperature survey, highly versatile;Can make that photographic head 61 etc. is telescopic is arranged on groove 67 by arranging storing unit 6
In, save the usable area of experiment table top, when needs image, made photographic head 61 stretch out after being opened by baffle plate 68, and pass through
Spacing hole 64 coordinate with spacing preiection 62 realize spacing, by photographic head 61 by the chemical experiment image that collected through video
Encoder generates video such that it is able to makes student see experiment reaction and experimental procedure more intuitively, is greatly improved student's
The learning efficiency.
Further, also including the rack 5 being connected on described laboratory table body, described rack 5 is arranged at described
On the right side of riser 2, described rack 5 includes that kerve 53 deposited by test tube storage tank 51, beaker storage tank 52, beaker and test tube is deposited and propped up
Frame 54, described laboratory table body 1 is being provided with and described test tube storage tank 51 number with described test tube storage tank 51 corresponding position
Measuring identical test tube storage bracket 54, described test tube storage bracket 54 one end is connected with described laboratory table body 1 and the other end is worn
Cross at the home position of described test tube storage tank 51, described laboratory table body 1 with described beaker storage tank 52 corresponding position
It is provided with beaker and deposits kerve 53.
In embodiments of the invention, described rack 5 is provided with multiple test tube storage tanks 51 and at least one beaker is deposited
Putting groove 52, described laboratory table body 1 is being provided with and described test tube storage tank 51 with described test tube storage tank 51 corresponding position
The test tube storage bracket 54 that quantity is identical, test tube can be inverted in test tube storage bracket 54, in order to test tube residual liquid flows out.
Further, described collection and confinement of gases assembly 4 includes collecting pipe 49 and receives for fixing the gas of described collecting pipe 49
The fixing device 41 of collection assembly, the fixing device 41 of described collection and confinement of gases assembly includes fastening bolt 410, pillar 411, slip cap
Bar the 412, first grip block the 413, second grip block 414, pretension bolt 415, extension rod 416, regulation screw 417 and gripper jaw
418, described pillar 411 is fixed on described laboratory table body 1, and on described pillar 411, slip cap is provided with described sliding bar set
412, described sliding bar set 412 includes slip cap and rod end, be provided with between the sidewall of described slip cap and described pillar 411 described tightly
Fixing bolt 410, described rod end is arranged with described first grip block 413 and described second grip block 414, described first grip block
413 and described second grip block 414 on be additionally provided with described extension rod 416, the top of described first grip block 413 is threaded to be had
Described pretension bolt 415, described extension rod 416 has described gripper jaw 418, institute away from one end connection of described pretension bolt 415
State gripper jaw 418 and be provided with described regulation screw 417, at the upper opening of described collecting pipe 49, be provided with seal rubber plug 44, institute
State seal rubber plug 44 and be provided with air inlet and steam vent to connect air inlet pipe 42 and exhaustor 43 respectively, described air inlet pipe 42 one end
Stretch out described seal rubber plug 44 connect with connection rubber tube 45 setting and the other end extend to bottom described collecting pipe 49, described connection
Sebific duct 45 is connected with described air induction conduit 46, and described air induction conduit 46 is through air inlet plug 47, and described air inlet plug 47 is described
Seal with the opening of described cylinder 48 when collecting pipe 49 collects gas and coordinate.
In an embodiment of the present invention, collecting pipe 49 can realize rotating, by extension rod 416 by rotating gripper jaw 418
Groove 24 slides, slip cap is provided with sliding bar set 412 on pillar 411, collecting pipe described in scalable with fixing along collection and confinement of gases assembly
The vertical height of 49, also can realize the regulation to gripper jaw 418 horizontal level by extension rod 416, is adjusted by regulation screw 417
The clamping dynamics of joint gripper jaw 418, in order to be applicable to the collecting pipe 49 of different size specification, receives when Open Side Down for collecting pipe 49
The gas that collection density is less than air, collects the gas that density is bigger than air, to reach preferable when collecting pipe 49 opening upwards
Experiment effect;It is designed with seal rubber plug 44 above collecting pipe 49 and is sealed in above collecting pipe 49, seal rubber plug 44 row inserted above
Trachea 43 and air inlet pipe 42, wherein air inlet pipe 42 one end is inserted into bottom collecting pipe 49, and the other end stretches out seal rubber plug 44 and is connected
Sebific duct 45 is connected, and connection rubber tube 45 is connected with air induction conduit 46, and air induction conduit 46, through air inlet plug 47, only needs during use
Air inlet plug 47 is filled in storage 48, good sealing effect of the present invention, it is ensured that result of the test is accurate.
Further, described collection and confinement of gases assembly fixes the groove 24 level height on described riser 2 higher than described test tube
Fixing groove 22 and described cylinder fix the height of groove 23.
Further, the clamping part of described gripper jaw 418 is provided with Anti-slip cover 419, and described Anti-slip cover 419 is quality of rubber materials.
So, the clamping part that can make described gripper jaw 418 is stable to the clamping of described collecting pipe 49, prevents described collecting pipe 49
Skid off, cause experiment to reveal.
Preferably, described riser 2 and described laboratory table body 1 are connected 25 by riser fixed support, and described riser is fixed
Support 25 includes that vertical fixed plate 251, horizontal fixed plate 252 and fixed plate link 253, described vertical fixed plate 251 pass through
Fixing bolt 254 is connected with described riser 2, and described horizontal fixed plate 252 is by fixing bolt 254 and described laboratory table body 1
Being connected, an end of described vertical fixed plate 251 is connected with an end vertical of described horizontal fixed plate 252, described solid
Determine the rectangular triangle of plate link 253 and orthogonal two right-angle sides respectively with described vertical fixed plate 251 and described
Horizontal fixed plate 252 is connected.
So, by fixing bolt 254 make vertical fixed plate 251, horizontal fixed plate 252 respectively with riser 2, experiment the playscript with stage directions
Body 1 is connected, more solid with described respectively by orthogonal two right-angle sides of fixed plate link 253 of right angled triangle
Determine plate 251 and described horizontal fixed plate 252 is connected, make described riser 2 be connected firmly with described laboratory table body 1, have stronger
Stability.
Further, the junction of described laboratory table body 1 and described riser 2 is provided with four riser fixed supports 25,
It is arranged with two described riser fixed supports 25 on front side of described riser 2, on rear side of described riser 2, is arranged with two described risers
Fixed support 25, described riser fixed support 25 all by screw and fixing nut screw connection with by described riser fixed support 25 points
It is not fixed on described riser 2 and described laboratory table body 1.
So, four riser fixed support 25 two ends on front side of riser 2 respectively and two ends on rear side of riser 2
Laboratory table body 1 and riser 2 are fixed, further ensure laboratory table body 1 and the reliability of riser 2 connection.
Preferably, described fixed plate link 253 being provided with lightening hole 255, described lightening hole 255 is triangle.
So, can effectively reduce experiment equipment and become while ensureing the reliability that laboratory table body 1 and riser 2 connect
This.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any
Those skilled in the art, the equivalent variations made on the premise of without departing from the design of the present invention and principle and amendment, all
The scope of protection of the invention should be belonged to.