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A kind of chemical experiment diluting concentrated sulfuric acid device
CN209549197U
China
Worldwide applications
2019
CN
Application CN201920028717.5U events
2019-01-08
2019-01-08
2019-10-29
Application granted
2019-10-29
Status
Expired - Fee Related
2029-01-08
Anticipated expiration
Description
translated from
Technical field
The utility model belongs to chemical experiment technique field, and in particular to a kind of chemical experiment diluting concentrated sulfuric acid device.
Background technique
The concentrated sulfuric acid is commonly called as bad water, is a kind of highly corrosive strong mineral acid, and the concentrated sulfuric acid also has strong corrosive, sulfuric acid
There is strong oxidizing property when concentration is high, this is one of it and the maximum difference of dilute sulfuric acid, and difference is frequently necessary in chemical experiment
The sulfuric acid solution of concentration, it is often necessary to the concentrated sulfuric acid is diluted processing, diluting concentrated sulfuric acid device is for diluting concentrated sulfuric acid
Container.
The patent No. (CN201820099210.4 discloses a kind of chemical experiment diluting concentrated sulfuric acid device), including cup,
Concentrated sulfuric acid cup rotary electric machine and agitating device are provided with Drinking cup lid at the upper end opening of the cup, set at the axle center of Drinking cup lid
It is equipped with circular through hole etc., by setting paddle, the turbine disk and motor etc., realize has more relative to hand operated mixing this patent
Good mixing effect, but have the following problems.
Existing technology has the following problems:
1, when by concentrated sulfuric acid cup and fixed cup, because sliding block and concentrated sulfuric acid cup are non-removable modes, lead to dense sulphur
The fixed height of sour cup is immutable, is not easy to experimenter according to the amount of water and the concentrated sulfuric acid, adjusts concentrated sulfuric acid cup to water surface phase
The position connect, makes troubles to experimenter；
2, the concentrated sulfuric acid is directed into cup by original diluting concentrated sulfuric acid device by concentrated sulfuric acid cup, then passes through paddle
And the turbine disk, that accelerates water and the concentrated sulfuric acid mutually melts speed, but since the diversion pipe of concentrated sulfuric acid cup is contacted with the inner wall of cup, if falling
The concentrated sulfuric acid amount entered is big, and the concentrated sulfuric acid hits cup inner wall, is easy to appear the case where concentrated sulfuric acid largely splashes, increases the danger of experiment
It is dangerous.
Utility model content
To solve the problems mentioned above in the background art.It is dilute that the utility model provides a kind of chemical experiment concentrated sulfuric acid
Release device has the characteristics of height and position convenient for experimenter according to required adjustment concentrated sulfuric acid cup, good buffer effect.
To achieve the above object, the utility model provides the following technical solutions: a kind of chemical experiment is filled with diluting concentrated sulfuric acid
It sets, including the first containing cup, the apical lateral wall of first containing cup is fixed with fixed mouth, the fixed mouth and described
One containing cup is integrally formed, and the upper surface of first containing cup is removably connected with the first cover board, first cover board it is upper
Surface is equipped with motor, and the output shaft of the motor is fixedly connected with the first fixed link, and first fixed link is far from the electricity
One end of machine slidably connects first connecting rod, and the first connecting rod is equipped with gear far from one end of first fixed link
Disk, the upper surface middle position of first cover board are rotatably connected to the second containing cup, and second containing cup is close to top
Lateral wall is equipped with gear ring, the toothed disc and gear ring engagement connection, the top side detachable of second containing cup
It is connected with the second cover board, second containing cup is fixed with connecting tube, the connecting tube far from one end of second cover board
It is integrally formed with second containing cup, the bottom surface middle position of the connecting tube is removably connected with the second fixed link, institute
The Basolateral wall for stating the second fixed link is equipped with the second connecting rod, second connecting rod far from second fixed link one
End is fixed with paddle, and the upper surface of first cover board offers the second through-hole, and second containing cup passes through described the
Two through-holes run through first cover board, and the upper surface of first cover board is removably connected with fixation far from one end of the motor
Button, the fixing buckle lateral wall are fixed with bungee, and the bungee is fixed with bottle stopper far from one end of the fixing buckle,
The lateral wall of first containing cup has graduation apparatus, and the surface of the paddle offers first through hole, and described first holds
The inner sidewall of cup offers diversion trench, and the inner sidewall of first fixed link offers card slot, the outside of the first connecting rod
Wall is fixed with convex block, and first fixed link is fixedly connected by the card slot with the convex block with the first connecting rod,
The lateral wall of second containing cup offers first sliding groove, is equipped with fixed plate, the fixed plate and institute in the first sliding groove
It states the second containing cup to be slidably connected, the fixed plate is fixed with threaded rod, the spiral shell far from one end of second containing cup
Rasp bar lateral wall is threaded with screw, and the bottom surface of first cover board is fixed with thread barrel, the outside of first cover board
Wall is adhesively fixed with fixed ring, and the upper surface of first cover board offers fixing groove below the motor, described solid
Determine to be equipped with backing plate in slot, the backing plate is fixedly connected with first cover board, and the second through-hole medial surface offers in a ring
The recess second sliding slot of distribution, the threaded rod are located in the second sliding slot, and the upper surface of first cover board is far from described
The side of fixing groove is fixed with snap ring, and the motor and external power supply are electrically connected.
Preferably, the fixed plate is T font structure, and second containing cup passes through the first sliding groove, the fixation
Plate, the threaded rod and the screw are fixedly connected with the second sliding slot with first cover board.
Preferably, the paddle is arc plate structure, and the first through hole is circular configuration, and the first through hole
Quantity be several.
Preferably, the quantity of the fixed plate, the threaded rod and the screw is four, and four fixed plates are logical
The first sliding groove is crossed to be fixedly connected with second containing cup.
Preferably, the bottle stopper is trapezium structure, and the bungee passes through the fixing buckle and the snap ring and described the
One cover board is fixedly connected.
Preferably, the diversion trench is L-type structure, and the quantity of the diversion trench is two, and two diversion trenches are in
It is symmetrically distributed in the inner sidewall of first containing cup.
Preferably, second connecting rod and the quantity of the paddle are four, and four second connecting rods are in
The lateral wall of second fixed link is arranged in cross, and inner sidewall of four paddles with first containing cup connects
Touching.
Compared with prior art, the utility model has the beneficial effects that
1, first sliding groove is offered in the lateral wall of the second containing cup, and is equipped with fixed plate, threaded rod in first sliding groove
With screw etc., experimenter cooperates graduation apparatus according to water, so that fixed plate slides into optimum position, then turns on tight threaded rod
Screw, and screw is contacted with the second containing cup, further such that fixed plate is fixed with the second containing cup, by the second containing cup
When on installation to the first cover board, the second containing cup can be passed through the second through-hole, threaded rod slides in second sliding slot, until screw thread
Bar be fixed to second sliding slot in so that the second containing cup is maked somebody a mere figurehead on the first cover board, the second containing cup is fixed, convenient for pair
The height of second containing cup is adjusted, so that the connecting tube of the second containing cup is contacted with the water surface, the concentrated sulfuric acid can directly incorporate water
In, experimenter offers convenience.
2, open up in the inner sidewall of the first containing cup there are two diversion trench, and the surface of paddle offer several the
One through-hole, experimenter are pouring into the concentrated sulfuric acid in the second containing cup, and the concentrated sulfuric acid is punished in connecting tube to flow and flow out, can be by leading
Chute makes have certain gap between connecting tube and the first containing cup, avoids inner wall of the connecting tube directly with the first containing cup
Contact can accept the concentrated sulfuric acid by two diversion trenches of two L-type structures if the concentrated sulfuric acid amount poured into is big, play certain delay
Punching effect, reduces concentrated sulfuric acid splashing amount, and in agitation and dilution, several first through hole can reduce mixing by part mixes
The waviness for the vortex that object generates, reduces the risk of experiment.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the first containing cup cross-sectional view in the utility model；
Fig. 3 is the paddle and the second connecting rod installation diagram in the utility model；
Fig. 4 is the first fixed link and first connecting rod connection figure in the utility model；
Fig. 5 is the second containing cup and the first cover board installation diagram in the utility model；
Fig. 6 is fixed plate and the second containing cup installation diagram in the utility model；
Fig. 7 is the first cover board and thread barrel connection figure in the utility model；
In figure: 1, the first containing cup；2, fixed mouth；3, the first cover board；4, motor；5, the first fixed link；6, the first connection
Bar；7, toothed disc；8, the second containing cup；9, gear ring；10, the second cover board；11, fixing buckle；12, bungee；13, bottle stopper；14,
Graduation apparatus；15, connecting tube；16, the second fixed link；17, the second connecting rod；18, paddle；19, first through hole；20, diversion trench；
21, card slot；22, convex block；23, first sliding groove；24, fixed plate；25, threaded rod；26, screw；27, thread barrel；28, fixed ring；
29, fixing groove；30, backing plate；31, the second through-hole；32, second sliding slot；33, snap ring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Please refer to Fig. 1-7, the utility model the following technical schemes are provided: a kind of chemical experiment diluting concentrated sulfuric acid device,
Including the first containing cup 1, the apical lateral wall of the first containing cup 1 is fixed with fixed mouth 2, fixed mouth 2 and the first containing cup 1 one
Body formed, the upper surface of the first containing cup 1 is removably connected with the first cover board 3, and the upper surface of the first cover board 3 is equipped with motor 4,
The output shaft of motor 4 is fixedly connected with the first fixed link 5, and the first fixed link 5 slidably connects the first company far from one end of motor 4
Extension bar 6, first connecting rod 6 are equipped with toothed disc 7, the upper surface middle position of the first cover board 3 far from one end of the first fixed link 5
Place is rotatably connected to the second containing cup 8, and the second containing cup 8 is equipped with gear ring 9, toothed disc 7 and gear close to apical lateral wall
The engagement connection of ring 9, the top side detachable of the second containing cup 8 are connected with the second cover board 10, and the second containing cup 8 is far from the second cover board 10
One end be fixed with connecting tube 15, connecting tube 15 and the second containing cup 8 are integrally formed, the bottom surface middle position of connecting tube 15
It is removably connected with the second fixed link 16, the Basolateral wall of the second fixed link 16 is equipped with the second connecting rod 17, the second connection
Bar 17 is fixed with paddle 18 far from one end of the second fixed link 16, and the upper surface of the first cover board 3 offers the second through-hole 31,
Second containing cup 8 runs through the first cover board 3 by the second through-hole 31, and the one end of upper surface far from motor 4 of the first cover board 3 is detachable
It is connected with fixing buckle 11,11 lateral wall of fixing buckle is fixed with bungee 12, and bungee 12 is fixed far from one end of fixing buckle 11
Equipped with bottle stopper 13, the lateral wall of the first containing cup 1 has graduation apparatus 14, and the surface of paddle 18 offers first through hole 19, the
The inner sidewall of one containing cup 1 offers diversion trench 20, and the inner sidewall of the first fixed link 5 offers card slot 21, first connecting rod 6
Lateral wall is fixed with convex block 22, the first fixed link 5 and first connecting rod 6 and is fixedly connected by card slot 21 with convex block 22, and second
The lateral wall of containing cup 8 offers first sliding groove 23, is equipped with fixed plate 24, fixed plate 24 and the second containing cup in first sliding groove 23
8 are slidably connected, and fixed plate 24 is fixed with threaded rod 25 far from one end of the second containing cup 8, and 25 lateral wall screw thread of threaded rod connects
It is connected to screw 26, the bottom surface of the first cover board 3 is fixed with thread barrel 27, and the lateral wall of the first cover board 3 is adhesively fixed with fixed ring
28, the upper surface of the first cover board 3 offers fixing groove 29 close to the lower section of motor 4, is equipped with backing plate 30, backing plate 30 in fixing groove 29
It is fixedly connected with the first cover board 3,31 medial surface of the second through-hole offers the recess second sliding slot 32 being distributed in a ring, threaded rod 25
In second sliding slot 32, the upper surface of the first cover board 3 is fixed with snap ring 33 far from the side of fixing groove 29, motor 4 and outer
Portion's power supply is electrically connected.
In the present embodiment: the model 6IK140GU-CF of motor 4 when motor 4 rotates, drives the first fixed link 5 and first
Connecting rod 6 rotates, to drive toothed disc 7 to rotate, because toothed disc 7 is meshed with gear ring 9, to drive the second containing cup 8
Rotation, meanwhile, the rotation of the second fixed link 16 carries out the concentrated sulfuric acid so that the paddle 18 in the second connecting rod 17 rotates
Dilution.
In the present embodiment: threaded rod 25 as transparent plastic sheet material, the one end of threaded rod 25 far from fixed plate 24 is
Silica gel material, the threaded rod 25 of transparent plastic sheet material mention so that threaded rod 25 and the second transparent containing cup 8 are formed unanimously
High aesthetics can produce certain deformation, because silica gel material has flexibility convenient for being caught in threaded rod 25 to second sliding slot
32, convenient for operation.
In the present embodiment: backing plate 30 is rubber material, has flexibility, plays the role of protecting motor 4 by backing plate 30.
In the present embodiment: bottle stopper 13 is silica gel material, has certain deformation power, bottle stopper 13 is filled in fixed mouth 2, is made
It obtains the first containing cup 1 and is completely in closed state, external dust or sundries is avoided to enter inside, pollute dilution device.
In the present embodiment: fixed ring 28 is silica gel material, has certain wearability and flexibility, experimenter can be improved
Frictional force between hand and the first cover board 3 convenient for force, and improves comfort level.
In the present embodiment: experimenter cooperates graduation apparatus 14 according to water, so that fixed plate 24 slides into optimum position,
Turn the screw 26 on tight threaded rod 25 again, and screw 26 is contacted with the second containing cup 8, further such that fixed plate 24 and
Two containing cups 8 are fixed, when by the installation to the first cover board 3 of the second containing cup 8, the second containing cup 8 can be passed through the second through-hole 31,
Threaded rod 25 slides in second sliding slot 32, until threaded rod 25 is fixed in second sliding slot 32, so that the second containing cup 8 is aerial
In on the first cover board 3, the second containing cup 8 is fixed, is adjusted convenient for the height to the second containing cup 8, so that second
The connecting tube 15 of containing cup 8 is contacted with the water surface, and the concentrated sulfuric acid can directly incorporate in water, and experimenter offers convenience, and experimenter exists
The concentrated sulfuric acid is poured into the second containing cup 8, the concentrated sulfuric acid is punished in connecting tube 15 to flow and flow out, and can to connect by diversion trench 20
There is certain gap between pipe 15 and the first containing cup 1, connecting tube 15 is avoided directly to contact with the inner wall of the first containing cup 1,
If the concentrated sulfuric acid amount poured into is big, the concentrated sulfuric acid can be accepted by two diversion trenches 20 of two L-type structures, play certain buffering and make
With reduction concentrated sulfuric acid splashing amount, in agitation and dilution, several first through hole 19 can reduce mixture by part mixes
The waviness of the vortex of generation reduces the risk of experiment, after the end of the experiment, and after dilution device is cleaned up, leads to
It crosses thread barrel 27 first cover board 3 and the first containing cup 1 is fixed, snap ring 33 can be cooperated by fixing buckle 11, bungee 12 is consolidated
Determine onto the first cover board 3, because of 13 trapezium structures of bottle stopper, meet the gabarit of fixed mouth 2, bottle stopper 13 is silica gel material, has one
Fixed deformation power fills in bottle stopper 13 in fixed mouth 2, so that the first containing cup 1 is completely in closed state, avoids external dust
Or sundries enters inside, pollutes dilution device.
Specifically, fixed plate 24 is T font structure, the second containing cup 8 passes through first sliding groove 23, fixed plate 24, threaded rod
25 and screw 26 be fixedly connected with second sliding slot 32 with the first cover board 3；The fixed plate 24 of T font structure cooperates screw 26, can incite somebody to action
Second containing cup 8 is maked somebody a mere figurehead in the second through-hole 31, playing the role of fixing the second containing cup 8.
Specifically, paddle 18 is arc plate structure, and first through hole 19 is circular configuration, and the quantity of first through hole 19
For several；The paddle 18 of arc plate structure reduces the fluctuating for the vortex that mixture generates conducive to dilution work is stirred
Degree, the first through hole 19 of several circular configurations can reduce again the fluctuating for the vortex that mixture generates by part mixes
Degree.
Specifically, the quantity of fixed plate 24, threaded rod 25 and screw 26 is four, four fixed plates 24 are sliding by first
Slot 23 is fixedly connected with the second containing cup 8；Fixed plate 24, and matching thread bar 25 are blocked by first sliding groove 23, turns tight screw
26 are fastened, so that the second containing cup 8 is maked somebody a mere figurehead on the first cover board 3.
Specifically, bottle stopper 13 is trapezium structure, bungee 12 connects by the way that fixing buckle 11 and snap ring 33 and the first cover board 3 are fixed
It connects；After the end of the experiment, fixing buckle 11 is cooperated into snap ring 33, bungee 12 is fixed on the first cover board 3, because of 13 ladders of bottle stopper
Shape structure meets the gabarit of fixed mouth 2, and bottle stopper 13 is silica gel material, has certain deformation power, bottle stopper 13 is filled in fixed mouth
In 2, so that the first containing cup 1 is completely in closed state, external dust or sundries is avoided to enter inside, pollute dilution device.
Specifically, diversion trench 20 is L-type structure, and the quantity of diversion trench 20 is two, and two diversion trenches 20 are in symmetrical point
Inner sidewall of the cloth in the first containing cup 1；Two diversion trenches 20 can make the concentrated sulfuric acid flowed out at two connecting tubes 15, reach slow
The effect of punching.
Specifically, the second connecting rod 17 and the quantity of paddle 18 are four, four the second connecting rods 17 are set in cross
The lateral wall in the second fixed link 16 is set, four paddles 18 are contacted with the inner sidewall of the first containing cup 1；In the distribution of cross
Mode enables four the second connecting rods 17 that paddle 18 is driven uniformly to dilute in 1 internal agitation of the first containing cup, and maximum
The agitation water and the concentrated sulfuric acid of degree accelerate dilution rate.
The working principle and process for using of the utility model: dilution device is moved to experiment place, experiment by experimenter
When personnel dismantle the first cover board 3, because fixed ring 28 is silica gel material, there is certain wearability and flexibility, reality can be improved
The frictional force between human hand and the first cover board 3 is tested, convenient for force, and improves comfort level, experimenter is to the first containing cup 1
Water is poured into inside, and experimenter cooperates graduation apparatus 14 according to water, so that the fixed plate 24 in first sliding groove 23 slides into most preferably
Position, then turn the screw 26 on tight threaded rod 25, and screw 26 is contacted with the second containing cup 8, further such that fixed plate
24 and second containing cup 8 it is fixed, when by the installation to the first cover board 3 of the second containing cup 8, the second containing cup 8 can be passed through second
Through-hole 31, threaded rod 25 slide in second sliding slot 32, until threaded rod 25 is fixed in second sliding slot 32, so that second holds
Cup 8 is maked somebody a mere figurehead on the first cover board 3, is fixed, is adjusted convenient for the height to the second containing cup 8, together to the second containing cup 8
When, it can pull up first connecting rod 6, adjust the length of the first fixed link 5, enable on toothed disc 7 and the second containing cup 8
Gear ring 9 is meshed, and is fixed when convex block 22 is caught in inside card slot 21, experimenter dismantles the second cover board 10, and will be dense
Sulfuric acid pours into the second containing cup 8, and the concentrated sulfuric acid is punished in connecting tube 15 to flow and flow out, and can make connecting tube 15 by diversion trench 20
There is certain gap between the first containing cup 1, connecting tube 15 is avoided directly to contact with the inner wall of the first containing cup 1, if falling
The concentrated sulfuric acid amount entered is big, can accept the concentrated sulfuric acid by two diversion trenches 20 of two L-type structures, play certain buffer function,
Concentrated sulfuric acid splashing amount is reduced, because the connecting tube 15 of the second containing cup 8 is contacted with the water surface, the concentrated sulfuric acid can directly incorporate in water, backing plate
30 be rubber material, has flexibility, plays the role of protecting motor 4 by backing plate 30, later to the motor 4 in fixing groove 29
It is powered, when motor 4 rotates, the first fixed link 5 and first connecting rod 6 is driven to rotate, to drive toothed disc 7 to rotate, because of gear
Disk 7 is meshed with gear ring 9, so that the rotation of the second containing cup 8 is driven, meanwhile, the second fixed link 16 rotation, so that second
Paddle 18 in connecting rod 17 rotates, and is diluted to the concentrated sulfuric acid, several first through hole 19 can be subtracted by part mixes
The waviness for the vortex that small mixture generates, reduces the risk of experiment, and after dilution, experimenter is by diluted dense sulphur
Acid is poured out from fixed mouth 2, after the end of the experiment, and after dilution device is cleaned up, by thread barrel 27 by the first cover board 3
It is fixed with the first containing cup 1, snap ring 33 can be cooperated by fixing buckle 11, bungee 12 is fixed on the first cover board 3, because of bottle stopper
13 trapezium structures meet the gabarit of fixed mouth 2, and bottle stopper 13 is silica gel material, have certain deformation power, bottle stopper 13 is filled in
In fixed mouth 2, so that the first containing cup 1 is completely in closed state, external dust or sundries is avoided to enter inside, pollution dilution
Device.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
Hide Dependent
translated from
Claims (7)
Hide Dependent
translated from
1. a kind of chemical experiment diluting concentrated sulfuric acid device, including the first containing cup (1), the top of first containing cup (1)
Lateral wall is fixed with fixed mouth (2), and the fixed mouth (2) and first containing cup (1) are integrally formed, and described first holds
The upper surface of cup (1) is removably connected with the first cover board (3), and the upper surface of first cover board (3) is equipped with motor (4), institute
The output shaft for stating motor (4) is fixedly connected with the first fixed link (5), and the one of first fixed link (5) separate the motor (4)
End slidably connects first connecting rod (6), and the first connecting rod (6) is equipped with far from one end of first fixed link (5)
The upper surface middle position of toothed disc (7), first cover board (3) is rotatably connected to the second containing cup (8), and described second contains
It puts cup (8) to be equipped with gear ring (9) close to apical lateral wall, the toothed disc (7) and the gear ring (9) engagement connection, institute
The top side detachable for stating the second containing cup (8) is connected with the second cover board (10), and second containing cup (8) is far from second lid
One end of plate (10) is fixed with connecting tube (15), and the connecting tube (15) and second containing cup (8) are integrally formed, described
The bottom surface middle position of connecting tube (15) is removably connected with the second fixed link (16), the bottom end of second fixed link (16)
Lateral wall is equipped with the second connecting rod (17), and second connecting rod (17) is fixed far from one end of second fixed link (16)
Equipped with paddle (18), the upper surface of first cover board (3) is offered the second through-hole (31), and second containing cup (8) is logical
Second through-hole (31) is crossed through first cover board (3), it is characterised in that: the upper surface of first cover board (3) is separate
One end of the motor (4) is removably connected with fixing buckle (11), and fixing buckle (11) lateral wall is fixed with bungee
(12), the bungee (12) is fixed with bottle stopper (13) far from the one end of the fixing buckle (11), first containing cup (1)
Lateral wall there are graduation apparatus (14), the surface of the paddle (18) offers first through hole (19), first containing cup
(1) inner sidewall offers diversion trench (20), and the inner sidewall of first fixed link (5) offers card slot (21), and described first
The lateral wall of connecting rod (6) is fixed with convex block (22), and first fixed link (5) and the first connecting rod (6) pass through institute
Card slot (21) to be stated to be fixedly connected with the convex block (22), the lateral wall of second containing cup (8) offers first sliding groove (23),
Fixed plate (24) are equipped in the first sliding groove (23), the fixed plate (24) and second containing cup (8) are slidably connected, institute
It states fixed plate (24) to be fixed with threaded rod (25) far from one end of second containing cup (8), on the outside of the threaded rod (25)
Wall is threaded with screw (26), and the bottom surface of first cover board (3) is fixed with thread barrel (27), first cover board (3)
Lateral wall be adhesively fixed with fixed ring (28), the upper surface of first cover board (3) opens up below the motor (4)
Have fixing groove (29), is equipped with backing plate (30) in the fixing groove (29), the backing plate (30) and the fixed company of first cover board (3)
It connects, the second through-hole (31) medial surface offers the recess second sliding slot (32) being distributed in a ring, threaded rod (25) position
In the second sliding slot (32), the upper surface of first cover board (3) is fixed with far from the side of the fixing groove (29)
Snap ring (33), the motor (4) and external power supply are electrically connected.
2. a kind of chemical experiment diluting concentrated sulfuric acid device according to claim 1, it is characterised in that: the fixed plate
It (24) is T font structure, second containing cup (8) passes through the first sliding groove (23), the fixed plate (24), the screw thread
Bar (25) and the screw (26) are fixedly connected with the second sliding slot (32) with first cover board (3).
3. a kind of chemical experiment diluting concentrated sulfuric acid device according to claim 1, it is characterised in that: the paddle
It (18) is arc plate structure, and the first through hole (19) is circular configuration, and the quantity of the first through hole (19) is several
It is a.
4. a kind of chemical experiment diluting concentrated sulfuric acid device according to claim 1, it is characterised in that: the fixed plate
(24), the quantity of the threaded rod (25) and the screw (26) is four, and four fixed plates (24) pass through described the
One sliding slot (23) is fixedly connected with second containing cup (8).
5. a kind of chemical experiment diluting concentrated sulfuric acid device according to claim 1, it is characterised in that: the bottle stopper (13)
For trapezium structure, the bungee (12) passes through the fixing buckle (11) and the snap ring (33) and first cover board (3) is solid
Fixed connection.
6. a kind of chemical experiment diluting concentrated sulfuric acid device according to claim 1, it is characterised in that: the diversion trench
It (20) is L-type structure, and the quantity of the diversion trench (20) is two, two diversion trenches (20) are symmetric described
The inner sidewall of first containing cup (1).
7. a kind of chemical experiment diluting concentrated sulfuric acid device according to claim 1, it is characterised in that: second connection
The quantity of bar (17) and the paddle (18) is four, and four second connecting rods (17) are arranged in cross described the
The lateral wall of two fixed links (16), four paddles (18) contact with the inner sidewall of first containing cup (1).