CN109499643A - A kind of bench for chemistry experiment - Google Patents
A kind of bench for chemistry experiment Download PDFInfo
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- CN109499643A CN109499643A CN201811653528.3A CN201811653528A CN109499643A CN 109499643 A CN109499643 A CN 109499643A CN 201811653528 A CN201811653528 A CN 201811653528A CN 109499643 A CN109499643 A CN 109499643A
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- storage box
- table top
- plate
- bench
- experiment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a kind of bench for chemistry experiment, table top is positive polygonal panel, and the side of table top is the arc-shaped of indent；Table top Lower Lower is equipped with several supporting legs；Square hole is equipped at table top center, table top lower part side is equipped with mounting plate, and mounting plate is fixedly connected by several connecting rods with table top；Mounting plate is equipped with several brackets；Bracket is equipped with stool；Screw-threaded shaft elevator is fixedly installed on mounting plate；Screw-threaded shaft elevator side is equipped with shaft, and shaft passes through the input axis connection of shaft coupling and screw-threaded shaft elevator, and shaft end is fixedly connected with handwheel；The Demonstration table of rectangle is equipped at the top of the lead screw of screw-threaded shaft elevator.Desktop is arranged to polygon by the present invention, for complicated experiment, is convenient for multiple classmate's cooperation experiments, is improved the efficiency of experiment, enhance the collaboration capabilities between student；In addition, being provided with liftable Demonstration table on table top, when lecture experiment, teacher intuitively watches experimentation by rising Demonstration table, convenient for the classmate of heel row.
Description
Technical field
The invention belongs to teaching aid technical field, in particular to a kind of bench for chemistry experiment.
Background technique
Students are showed to watch various chemical reactions in order to more intuitive in process of general chemistry teaching, it is often necessary to
It allows student intuitively to be learnt on bench for chemistry experiment by chemical experiment reaction, can effectively increase student in this way
Practise, but existing bench for chemistry experiment is generally strip, experimental bench desktop side place various chemical experimental instruments and
Experimental drug, experimenter then test in the other side of desktop, and experimental bench each in this way can only generally be cooperateed with real by 2-3 people
Test, generally required by multiple person cooperational and is tested due to the limitation of time in classroom for complicated experiment, traditional experimental bench without
Method meets this demand；In addition, generally requiring teacher before experiment carries out lecture experiment, previous demonstration mode is teacher at dais
Experimental bench on demonstrated, for the classmate of heel row, due to blocking for front-seat classmate or laboratory apparatus, easily cause heel row
Classmate can not clearly watch lecture experiment.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, a kind of bench for chemistry experiment is provided, desktop is arranged to more
Side shape is convenient for multiple classmate's cooperation experiments, improves the efficiency of experiment, enhance the cooperation between student for complicated experiment
Ability；In addition, being provided with liftable Demonstration table on table top, when lecture experiment, teacher is by rising Demonstration table, after being convenient for
The classmate of row intuitively watches experimentation.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of bench for chemistry experiment, including table top, supporting leg, Demonstration table, the table top are positive polygonal panel, are convenient for multiple classmates
Cooperation experiment, and the side of table top is the arc-shaped of indent, expands the range that experimental implementation person contacts table top；The table top lower part
Equipped with several supporting legs, it is used to support table top；Square hole is equipped at the table top center, table top lower part side is equipped with mounting plate,
Mounting plate is fixedly connected by several connecting rods with table top；The mounting plate is equipped with several brackets, and bracket passes through bolt and installation
Plate removably connects, and when bracket damage, need to only remove the bracket of damage and replace, the maintenance for reducing experimental bench makes
Use cost；The bracket is equipped with stool, and the stool surface of stool is overlapped on adjacent bracket top, enhances the neat of laboratory
Property；Meanwhile stool being placed on bracket, laboratory is swept convenient for student on duty；Lead screw liter is fixedly installed on the mounting plate
Drop machine, screw-threaded shaft elevator use existing market matured product, and detailed construction form is no longer described in detail；The lead screw liter
Drop machine side is equipped with shaft, and shaft passes through the input axis connection of shaft coupling and screw-threaded shaft elevator, and described shaft one end passes through bearing
Seat is connect with mounting plate, and the other end is connect by bearing block with supporting leg, and shaft end is fixedly connected with handwheel；The lead screw lifting
Demonstration table is equipped at the top of the lead screw of machine, the Demonstration table is rectangular parallelepiped structure, and the size of Demonstration table is less than the size of square hole；Experiment
When laboratory apparatus is installed on Demonstration table, then rotate handwheel jack up the lead screw of screw-threaded shaft elevator Demonstration table to appropriate
Position, convenient for heel row classmate watch lecture experiment.
Preferably, supporting leg lower part side is equipped with foot pad, and foot pad lower part is equipped with non-slip mat, and experimental bench when experiment is avoided to slide
It is dynamic to cause safety accident；Foot pad top is fixedly connected with stud, and supporting leg lower part is equipped with the screw hole cooperated with stud；By turning foot
Pad adjusts the height of supporting leg, ensure that the level of laboratory bench top.
Preferably, table top top side is equipped with support frame, and support frame as described above includes upright bar, U-shaped frame, is arranged in upright bar
There is sleeve, the sleeve side is equipped with tightening knob, and the sleeve other side is fixedly connected with the U-shaped frame, and one end of U-shaped frame is logical
It crosses pin shaft and is connected with connecting plate, one end of the connection board lower part is connected with fixing head, and the fixing head is equipped with sliding slot, connecting plate
One end be movably mounted in the sliding slot of fixing head by pin shaft, convenient for the angle of fixing head and the adjustment of position；It is described solid
Fixed first side is fixedly connected with dust hood；The dust hood top is equipped with air-introduced machine, air-introduced machine one end and the fixed company of dust hood
It connects, the other end is connect with delivery pipe, and air-introduced machine enhances the effect of dust hood gather qi together, to enhance the processing effect of experiment exhaust gas
Fruit, described delivery pipe one end are equipped with waste gas treatment tank, and waste gas treatment tank is connect by air inlet pipe with delivery pipe, the exhaust-gas treatment
Case is fixedly mounted on table top lower part, and absorbing liquid is equipped with inside waste gas treatment tank, and exhaust-gas treatment upper box part is equipped with escape pipe；At exhaust gas
The top side for managing bottom plate is equipped with sewage pipe；By the way that dust hood is arranged, convenient for the exhaust gas generated when focusing experiment, and by defeated
Pipe, air inlet pipe is sent to be delivered in waste gas treatment tank, the exhaust gas for testing generation passes through after the absorbing liquid processing in waste gas treatment tank
Escape pipe is discharged, and the solid waste in absorbing liquid is then discharged by sewage pipe, avoids the exhaust gas that experiment generates and causes to student
Harm.
Preferably, several partitions are equipped with inside the waste gas treatment tank, one end of partition and the inner wall of waste gas treatment tank are solid
Fixed connection is equipped with passage gaps, and interlaced arrangement between adjacent separator between the other end and exhaust-gas treatment chamber interior wall；Interlaced arrangement every
Plate extends the process in exhaust gas re-absorption liquid, the soak time of exhaust gas is extended, to enhance the treatment effect of exhaust gas.
Preferably, the partition is in tilted layout to passage gaps side, folded sharp between partition and exhaust-gas treatment chamber interior wall
Angle is 45 ° -80 °, and inclined partition is conducive to the solid waste on partition and falls along partition, avoids solid waste on partition
Accumulation.
Preferably, the bottom plate section is right angled triangle, and is lower than close to the height of sewage pipe one end far from sewage pipe
The height of one end is flowed to sewage pipe side convenient for sludge and is discharged.
Preferably, the Demonstration table includes several coaming plates, and the coaming plate expanded view of Demonstration table is Z-shaped, and adjacent coaming plate passes through
Hinge connection, the hinge are equipped with limit plate, so that being plane when coaming plate is unfolded, the coaming plate of Z-shaped considerably increases demonstration
The usable floor area of platform enhances the practicability of Demonstration table convenient for demonstrating the complex experiment for needing multiple groups laboratory apparatus.
Preferably, the coaming plate top is equipped with the first guide rail being arranged symmetrically, and the first guide rail is equipped with the first sliding block, described
First sliding block top is fixedly connected with the second guide rail, and the second guide rail is equipped with the second sliding block, and second sliding block top is fixed to be connected
It is connected to pallet, the pallet is equipped with limit stop ring or swivel nut, and the swivel nut is equipped with iron stand；Laboratory apparatus is put when experiment
It sets inside limit stop ring, and is tested by the position that the first guide rail and the second guide rail adjust pallet, avoid experiment instrument
Device, which is toppled over, causes accident.
Preferably, table top lower part side is equipped with several storage tanks, and the storage tank includes being sequentially connected from bottom to up
The first storage box, the second storage box, third storage box, cover board, first storage box two sides are symmetrically arranged with first connecting rod,
One connecting rod one end is flexibly connected by pin with the first storage box, and the other end is flexibly connected by pin with the second storage box；Institute
It states the second storage box two sides and is symmetrically arranged with second connecting rod, second connecting rod one end is flexibly connected by pin with the first storage box, separately
One end is flexibly connected by pin with third storage box, is connected at the center of second connecting rod by pin and the second storage box activity
It connects；Third storage box both ends are symmetrically arranged with third connecting rod, and third connecting rod one end is connected by pin and the second storage box activity
It connects, the other end is flexibly connected by pin with third storage box, and first connecting rod, second connecting rod, third connecting rod are arranged in parallel；Institute
It states and is equipped with several baffles inside third storage box, third storage box top has been connected by hinge cover board；Storage tank is convenient for
The storage of experimental drug or laboratory apparatus, avoid experimental drug, laboratory apparatus be exposed to experiment table top on be contaminated, corrosion,
Third storage box is separated into multiple storing parts by the setting of baffle, convenient for storing classifiedly for experimental drug or laboratory apparatus.
Preferably, the square hole lower part is equipped with the first dust excluding plate and the second dust excluding plate that are arranged symmetrically, the first dust excluding plate and
For second dust excluding plate to be wedge-shaped, the two sides of first dust excluding plate and the second dust excluding plate are symmetrically arranged with third sliding block, and third sliding block is living
Dynamic to be mounted on third guide rail, the third guide rail is fixedly mounted on table top lower part；First dust excluding plate and the second dust excluding plate
Two sides be equipped with several springs, the spring other end is fixedly connected by block with table top；Demonstration table lower part two sides are equipped with
Side block；The first dust excluding plate and the second dust excluding plate that wedge shape is withstood when Demonstration table rises, at the top of Demonstration table make the first dust excluding plate and
Second dust excluding plate is mobile to two sides, and so that the first dust excluding plate and the second dust excluding plate is in open state always by side block, real
After the completion of testing, by the near table top lower part of Demonstration table, the first dust excluding plate and the second dust excluding plate are closed under the action of the spring, are avoided
Dust pollutes Demonstration table.
The beneficial effects of the present invention are:
1. desktop is arranged to polygon by experimental bench, for complicated experiment, it is convenient for multiple classmate's cooperation experiments, improves
The efficiency of experiment, enhances the collaboration capabilities between student；In addition, being provided with liftable Demonstration table on table top, demonstration is real
When testing, teacher intuitively watches experimentation by rising Demonstration table, convenient for the classmate of heel row.
2. supporting leg lower part side is equipped with foot pad, foot pad lower part is equipped with non-slip mat, and experimental bench sliding when experiment is avoided to cause to pacify
Full accident；Foot pad top is fixedly connected with stud, and supporting leg lower part is equipped with the screw hole cooperated with stud；Branch is adjusted by turning foot pad
The height of leg ensure that the level of laboratory bench top.
3. convenient for the exhaust gas generated when focusing experiment, and being delivered to by delivery pipe, air inlet pipe useless by setting dust hood
In gas disposal case, the exhaust gas for testing generation is discharged after the absorbing liquid processing in waste gas treatment tank by escape pipe, in absorbing liquid
Solid waste then by sewage pipe be discharged, avoid experiment generate exhaust gas cause damages to student.
4. being equipped with several partitions inside waste gas treatment tank, one end of partition is fixedly connected with the inner wall of waste gas treatment tank, separately
Passage gaps, and interlaced arrangement between adjacent separator are equipped between one end and exhaust-gas treatment chamber interior wall；The partition of interlaced arrangement extends
Exhaust gas reabsorbs the process in liquid, the soak time of exhaust gas is extended, to enhance the treatment effect of exhaust gas.
5. partition is in tilted layout to passage gaps side, between partition and exhaust-gas treatment chamber interior wall folded acute angle be 45 °-
80 °, inclined partition is conducive to the solid waste on partition and falls along partition, avoids solid waste and accumulates on partition.
6. bottom plate section is right angled triangle, and is lower than the height far from sewage pipe one end close to the height of sewage pipe one end
Degree is flowed to sewage pipe side convenient for sludge and is discharged.
7. Demonstration table includes several coaming plates, the coaming plate expanded view of Demonstration table is Z-shaped, and adjacent coaming plate is connected by hinge,
Hinge is equipped with limit plate, so that being plane when coaming plate is unfolded, the coaming plate of Z-shaped considerably increases the usable floor area of Demonstration table,
Convenient for demonstrating the complex experiment for needing multiple groups laboratory apparatus, the practicability of Demonstration table is enhanced.
8. laboratory apparatus is placed on inside limit stop ring when experiment, and pallet is adjusted by the first guide rail and the second guide rail
Position tested, avoid laboratory apparatus and topple over and cause accident.
9. storage tank avoids experimental drug, laboratory apparatus is exposed to reality convenient for the storage of experimental drug or laboratory apparatus
It tests on table top and is contaminated, corrodes, third storage box is separated into multiple storing parts by the setting of baffle, is convenient for experimental drug or experiment
Instrument stores classifiedly.
10. Demonstration table rises, the first dust excluding plate and the second dust excluding plate that wedge shape is withstood at the top of Demonstration table make first to prevent
Dirt plate and the second dust excluding plate are mobile to two sides, and so that the first dust excluding plate and the second dust excluding plate is in open shape always by side block
State, after the completion of experiment, by the near table top lower part of Demonstration table, the first dust excluding plate and the second dust excluding plate are closed under the action of the spring,
Avoid dust pollution Demonstration table.
Detailed description of the invention
Attached drawing 1 is a kind of bench for chemistry experiment structural schematic diagram of the present invention.
Attached drawing 2 is main view after a kind of bench for chemistry experiment removal stool of the present invention.
Attached drawing 3 is Demonstration table scheme of installation in a kind of bench for chemistry experiment of the present invention.
Attached drawing 4 is Demonstration table expanded view in a kind of bench for chemistry experiment of the present invention.
Attached drawing 5 is storage tank usage state diagram in a kind of bench for chemistry experiment of the present invention.
Attached drawing 6 is support frame structure diagram in a kind of bench for chemistry experiment of the present invention.
Attached drawing 7 is waste gas treatment tank schematic diagram of internal structure in a kind of bench for chemistry experiment of the present invention.
Attached drawing 8 is A partial enlarged view in a kind of bench for chemistry experiment of the present invention.
Attached drawing 9 is anti-dust plate structure schematic diagram in a kind of bench for chemistry experiment of the present invention.
Attached drawing 10 is hinge structure schematic diagram in a kind of bench for chemistry experiment of the present invention.
In figure: 1, table top；2, supporting leg；3, foot pad；4, square hole；5, dust hood；51, air-introduced machine；6, support frame；61, U-shaped
Frame；62, pin shaft；63, connecting plate；64, fixing head；65, sliding slot；66, upright bar；67, sleeve；68, tightening knob；7, delivery pipe；
8, waste gas treatment tank；81, air inlet pipe；82, partition；83, escape pipe；84, sewage pipe；85, bottom plate；9, Demonstration table；901, coaming plate；
902, hinge；903, the first guide rail；904, the first sliding block；905, the second guide rail；906, pallet；907, limit stop ring；908, spiral shell
Set；909, iron stand；910, side block；911, screw-threaded shaft elevator；912, connecting rod；913, mounting plate；914, bearing block；915, turn
Axis；916, handwheel；917, bracket；918, stool；919, lead screw；920, limit plate；20, storage tank；201, the first storage box；
202, the second storage box；203, third storage box；204, baffle；205, cover board；206, first connecting rod；207, second connecting rod；
208, third connecting rod；209, pin；
Specific embodiment
Below in conjunction with attached drawing 1-10, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
A kind of bench for chemistry experiment, including table top 1, supporting leg 2, Demonstration table 9, the table top 1 are positive polygonal panel, convenient for multiple
Classmate's cooperation experiment, and the side of table top 1 is the arc-shaped of indent, expands the range that experimental implementation person contacts table top 1；Described
1 lower part of face is equipped with several supporting legs 2, is used to support table top 1；Square hole 4, the 1 lower part side of table top are equipped at 1 center of table top
Equipped with mounting plate 913, mounting plate 913 is fixedly connected by several connecting rods 912 with table top 1；The mounting plate 913 is equipped with several
Bracket 917, bracket 917 are removably connect by bolt with mounting plate 913, only need to be by the support of damage when bracket 917 damages
Frame 917, which removes, to be replaced, and the maintenance cost of experimental bench is reduced；The bracket 917 is equipped with stool 918, stool 918
Stool surface be overlapped on adjacent 917 top of bracket, enhance the regularity in laboratory；Meanwhile stool 918 is placed on bracket
On 917, laboratory is swept convenient for student on duty；Screw-threaded shaft elevator 911, screw-threaded shaft elevator are fixedly installed on the mounting plate 913
911 use existing market matured product, and detailed construction form is no longer described in detail；911 side of screw-threaded shaft elevator is set
There is shaft 915, shaft 915 passes through the input axis connection of shaft coupling and screw-threaded shaft elevator 911, and described 915 one end of shaft passes through axis
It holds seat 914 to connect with mounting plate 913, the other end is connect by bearing block 914 with supporting leg 2, and 915 end of shaft is fixedly connected with hand
Wheel 916；Demonstration table 9 is equipped at the top of the lead screw 919 of the screw-threaded shaft elevator 911, the Demonstration table 9 is rectangular parallelepiped structure, demonstration
The size of platform 9 is less than the size of square hole 4；Laboratory apparatus is installed on Demonstration table 9 when experiment, then rotating handwheel 916 makes
The lead screw 919 of screw-threaded shaft elevator 911 jacks up Demonstration table 9 to position appropriate, watches lecture experiment convenient for the classmate of heel row.
The 2 lower part side of supporting leg is equipped with foot pad 3, and 3 lower part of foot pad is equipped with non-slip mat, and experimental bench sliding when experiment is avoided to make
At safety accident；3 top of foot pad is fixedly connected with stud, and 2 lower part of supporting leg is equipped with the screw hole cooperated with stud；By turning foot pad
3 adjust the height of supporting leg 2, ensure that the level of laboratory bench top 1.
The 1 top side of table top is equipped with support frame 6, and support frame as described above 6 includes upright bar 66, U-shaped frame 61, covers in upright bar 66
Equipped with sleeve 67,67 side of sleeve is equipped with tightening knob 68, and 67 other side of sleeve is fixedly connected with the U-shaped frame 61, U
One end of type frame 61 is connected with connecting plate 63 by pin shaft 62, and 63 one end lower part of connecting plate is connected with fixing head 64, described
Fixing head 64 is equipped with sliding slot 65, and one end of connecting plate 63 is movably mounted in the sliding slot 65 of fixing head 64 by pin shaft, just
In the angle of fixing head and the adjustment of position；64 side of fixing head is fixedly connected with dust hood 5；5 top of dust hood
Air-introduced machine 51 is installed, 51 one end of air-introduced machine is fixedly connected with dust hood 5, and the other end is connect with delivery pipe 7, and air-introduced machine 51 enhances
The effect of 5 gather qi together of dust hood, to enhance the treatment effect of experiment exhaust gas, described 7 one end of delivery pipe is equipped with exhaust-gas treatment
Case 8, waste gas treatment tank 8 are connect by air inlet pipe 81 with delivery pipe 7, and the waste gas treatment tank 8 is fixedly mounted on 1 lower part of table top,
Absorbing liquid is equipped with inside waste gas treatment tank 8,8 top of waste gas treatment tank is equipped with escape pipe 83；The top of 8 bottom plate 85 of waste gas treatment tank
Side is equipped with sewage pipe 84；By the way that dust hood 5 is arranged, convenient for the exhaust gas generated when focusing experiment, and pass through delivery pipe 7, air inlet
Pipe 81 is delivered in waste gas treatment tank 8, and the exhaust gas for testing generation passes through escape pipe after the absorbing liquid processing in waste gas treatment tank 8
83 are discharged, and the solid waste in absorbing liquid then passes through sewage pipe 84 and is discharged, and avoid the exhaust gas that experiment generates and cause to endanger to student
Evil.
Several partitions 82 are equipped with inside the waste gas treatment tank 8, one end of partition 82 and the inner wall of waste gas treatment tank 8 are fixed
It connects, passage gaps, and 82 interlaced arrangements of adjacent separator is equipped between 8 inner wall of the other end and waste gas treatment tank；Interlaced arrangement
Partition 82 extends the process in exhaust gas re-absorption liquid, extends the soak time of exhaust gas, to enhance the processing effect of exhaust gas
Fruit.
The partition 82 is in tilted layout to passage gaps side, folded acute angle between 8 inner wall of partition 82 and waste gas treatment tank
Be 45 ° -80 °, inclined partition 82 is conducive to the solid waste on partition 82 and falls along partition 82, avoid solid waste every
It is accumulated on plate 82.
85 section of bottom plate is right angled triangle, and is lower than close to the height of 84 one end of sewage pipe far from sewage pipe 84 1
The height at end is flowed to 84 side of sewage pipe convenient for sludge and is discharged.
The Demonstration table 9 includes several coaming plates 901, and 901 expanded view of coaming plate of Demonstration table 9 is Z-shaped, adjacent coaming plate 901
It is connected by hinge 902, the hinge 902 is equipped with limit plate 920, so that being plane when coaming plate 901 is unfolded, Z-shaped is enclosed
Plate 901 considerably increases the usable floor area of Demonstration table 9, convenient for demonstrating the complex experiment for needing multiple groups laboratory apparatus, enhances and drills
Show the practicability of platform 9.
901 top of coaming plate is equipped with the first guide rail 903 being arranged symmetrically, and the first guide rail 903 is equipped with the first sliding block
904,904 top of the first sliding block is fixedly connected with the second guide rail 905, and the second guide rail 905 is equipped with the second sliding block, and described the
Two sliding block tops are fixedly connected with pallet 906, and the pallet 906 is equipped with limit stop ring 907 or swivel nut 908, the swivel nut 908
It is equipped with iron stand 909；Laboratory apparatus is placed on inside limit stop ring 907 when experiment, and passes through the first guide rail 903 and second
The position that guide rail 905 adjusts pallet 906 is tested, and is avoided laboratory apparatus and is toppled over and causes accident.
The 1 lower part side of table top is equipped with several storage tanks 20, and the storage tank 20 includes sequentially connected from bottom to up
First storage box 201, the second storage box 202, third storage box 203, cover board 205,201 two sides of the first storage box are symmetrically set
There is first connecting rod 206,206 one end of first connecting rod is flexibly connected by pin 209 with the first storage box 201, and the other end passes through pin
Nail 209 is flexibly connected with the second storage box 202；Second storage box, 202 two sides are symmetrically arranged with second connecting rod 207, and second connects
207 one end of bar is flexibly connected by pin 209 with the first storage box 201, and the other end passes through pin 209 and third storage box 203
It is flexibly connected, is flexibly connected by pin 209 with the second storage box 202 at the center of second connecting rod 207；The third storage box
203 both ends are symmetrically arranged with third connecting rod 208, and 208 one end of third connecting rod is flexibly connected by pin 209 with the second storage box 202,
The other end is flexibly connected by pin 209 with third storage box 203, and first connecting rod 206, second connecting rod 207, third connecting rod
208 parallel arrangements；Several baffles 204 are equipped with inside the third storage box 203,203 top of third storage box passes through conjunction
Page 902 is connected with cover board 205；Storage tank 20 avoids experimental drug, experiment instrument convenient for the storage of experimental drug or laboratory apparatus
Device, which is exposed on experiment table top 1, to be contaminated, corrodes, and third storage box 203 is separated into multiple storing parts by the setting of baffle 204,
Convenient for storing classifiedly for experimental drug or laboratory apparatus.
4 lower part of square hole is equipped with the first dust excluding plate and the second dust excluding plate being arranged symmetrically, and the first dust excluding plate and second prevent
For dirt plate to be wedge-shaped, the two sides of first dust excluding plate and the second dust excluding plate are symmetrically arranged with third sliding block, third sliding block activity installation
On third guide rail, the third guide rail is fixedly mounted on 1 lower part of table top；The two sides of first dust excluding plate and the second dust excluding plate
Several springs are equipped with, the spring other end is fixedly connected by block with table top 1；The 9 lower part two sides of Demonstration table are equipped with side block
910；Demonstration table 9 rise when, the top of Demonstration table 9 withstand wedge shape the first dust excluding plate and the second dust excluding plate make the first dust excluding plate and
Second dust excluding plate is mobile to two sides, and so that the first dust excluding plate and the second dust excluding plate is in open state always by side block 910,
After the completion of experiment, by near 1 lower part of table top of Demonstration table 9, the first dust excluding plate and the second dust excluding plate are closed under the action of the spring, are kept away
Dust pollution Demonstration table 9 is exempted from.
Above content is only to structure example of the invention and explanation, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
1. a kind of bench for chemistry experiment, including table top, supporting leg, Demonstration table, which is characterized in that the table top is positive polygonal panel, and
The side of table top is the arc-shaped of indent；The table top lower part is equipped with several supporting legs；At the table top center be equipped with square hole, described
Face lower part side is equipped with mounting plate, and mounting plate is fixedly connected by several connecting rods with table top；If the mounting plate is equipped with dry care
Frame, bracket are removably connect by bolt with mounting plate；The bracket is equipped with stool, and the stool surface of stool is overlapped on adjacent
Bracket top；Screw-threaded shaft elevator is fixedly installed on the mounting plate；The screw-threaded shaft elevator side is equipped with shaft, and shaft passes through
The input axis connection of shaft coupling and screw-threaded shaft elevator, described shaft one end are connect by bearing block with mounting plate, and the other end passes through
Bearing block is connect with supporting leg, and shaft end is fixedly connected with handwheel；Demonstration table, institute are equipped at the top of the lead screw of the screw-threaded shaft elevator
Stating Demonstration table is rectangular parallelepiped structure, and the size of Demonstration table is less than the size of square hole.
2. a kind of bench for chemistry experiment as described in claim 1, which is characterized in that supporting leg lower part side is equipped with foot pad, foot
It pads lower part and is equipped with non-slip mat；Foot pad top is fixedly connected with stud, and supporting leg lower part is equipped with the screw hole cooperated with stud.
3. a kind of bench for chemistry experiment as described in claim 1, which is characterized in that table top top side is equipped with support frame,
Support frame as described above includes upright bar, U-shaped frame, and sleeve is arranged in upright bar, and the sleeve side is equipped with tightening knob, the sleeve other side
It is fixedly connected with the U-shaped frame, one end of U-shaped frame is connected with connecting plate, one end of the connection board lower part by pin shaft connection
It is connected with fixing head, the fixing head is equipped with sliding slot, and one end of connecting plate is movably mounted to the cunning of fixing head by pin shaft
In slot；The fixing head side is fixedly connected with dust hood；The dust hood top is equipped with air-introduced machine, air-introduced machine one end and suction
Dust hood is fixedly connected, and the other end is connect with delivery pipe, described delivery pipe one end be equipped with waste gas treatment tank, waste gas treatment tank by into
Tracheae is connect with delivery pipe, and the waste gas treatment tank is fixedly mounted on table top lower part, is equipped with absorbing liquid inside waste gas treatment tank, is given up
Gas disposal upper box part is equipped with escape pipe；The top side of waste gas treatment tank bottom plate is equipped with sewage pipe.
4. a kind of bench for chemistry experiment as claimed in claim 3, which is characterized in that be equipped with inside the waste gas treatment tank it is several every
Plate, one end of partition are fixedly connected with the inner wall of waste gas treatment tank, and passage gaps are equipped between the other end and exhaust-gas treatment chamber interior wall,
And interlaced arrangement between adjacent separator.
5. a kind of bench for chemistry experiment as claimed in claim 4, which is characterized in that the partition tilts cloth to passage gaps side
It sets, folded acute angle is 45 ° -80 ° between partition and exhaust-gas treatment chamber interior wall.
6. a kind of bench for chemistry experiment as described in any claim in claim 3-5, which is characterized in that the bottom plate section
Height for right angled triangle, and close sewage pipe one end is lower than the height far from sewage pipe one end.
7. a kind of bench for chemistry experiment as described in claim 1, which is characterized in that the Demonstration table includes several coaming plates, demonstration
The coaming plate expanded view of platform is Z-shaped, and adjacent coaming plate is connected by hinge, and the hinge is equipped with limit plate.
8. a kind of bench for chemistry experiment as claimed in claim 7, which is characterized in that the coaming plate top is equipped with the be arranged symmetrically
One guide rail, the first guide rail are equipped with the first sliding block, and first sliding block top is fixedly connected with the second guide rail, sets on the second guide rail
There is the second sliding block, second sliding block top is fixedly connected with pallet, and the pallet is equipped with limit stop ring or swivel nut, the spiral shell
It puts on and is equipped with iron stand.
9. a kind of bench for chemistry experiment as described in claim 1, which is characterized in that table top lower part side is equipped with several storings
Case, the storage tank includes sequentially connected first storage box, the second storage box, third storage box, cover board from bottom to up, described
First storage box two sides are symmetrically arranged with first connecting rod, and first connecting rod one end is flexibly connected by pin with the first storage box, another
End is flexibly connected by pin with the second storage box；Second storage box two sides are symmetrically arranged with second connecting rod, second connecting rod one
End is flexibly connected by pin with the first storage box, and the other end is flexibly connected by pin with third storage box, second connecting rod
It is flexibly connected by pin with the second storage box at center；Third storage box both ends are symmetrically arranged with third connecting rod, and third connects
Bar one end is flexibly connected by pin with the second storage box, and the other end is flexibly connected by pin with third storage box, and first
Connecting rod, second connecting rod, third connecting rod parallel arrangement；Several baffles, the third storage box are equipped with inside the third storage box
Top has been connected by hinge cover board.
10. a kind of bench for chemistry experiment as described in claim 1, which is characterized in that the square hole lower part, which is equipped with, to be arranged symmetrically
First dust excluding plate and the second dust excluding plate, the first dust excluding plate and the second dust excluding plate are wedge shape, first dust excluding plate and second dust-proof
The two sides of plate are symmetrically arranged with third sliding block, and third sliding block is movably arranged on third guide rail, and the third guide rail is fixedly mounted on
Table top lower part；The two sides of first dust excluding plate and the second dust excluding plate are equipped with several springs, the spring other end by block with
Table top is fixedly connected；Demonstration table lower part two sides are equipped with side block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653528.3A CN109499643B (en) | 2018-12-29 | 2018-12-29 | Chemical experiment table |
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| CN201811653528.3A CN109499643B (en) | 2018-12-29 | 2018-12-29 | Chemical experiment table |
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| CN109499643B CN109499643B (en) | 2021-06-01 |
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| CN109499643B (en) | 2021-06-01 |
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