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
For student when doing chemical experiment, experimental bench is very necessary equipment, and in existing chemistry teaching, just lack
Such in-class experiment device, so that chemistry teaching does not reach preferable effect.
The content of the invention
The technical problem to be solved in the present invention, it is to provide a kind of bench for chemistry experiment, in the presence of can solve the problem that prior art
Above mentioned problem.
The present invention to achieve the above object, is achieved through the following technical solutions:
A kind of bench for chemistry experiment, including bearing assembly, temperature measurement component and gas collection assembly, the bearing assembly include base
Seat and the backboard on the pedestal is perpendicularly fixed at by fixing device, being provided with experiment equipment on the right side of the backboard front end face deposits
Frame is put, test tube fixed mount is provided with the left of the backboard, gas storage examination is provided with the right side of the test tube fixed mount
Tube fixing device, the test tube fixed mount and the gas storage test tube fixed mount are structure as a whole, the test tube fixed mount
On be provided with equally distributed test tube groove, equally distributed gas storage cuvette groove is provided with the gas storage test tube fixed mount,
Cuvette groove corresponding with the test tube groove is provided with the pedestal, is provided with and the gas storage on the right side of the cuvette groove
Fixing groove corresponding to cuvette groove, be vertically arranged with the backboard directly over the test tube fixed mount with it is described
The corresponding temperature measurement component gliding groove of the quantity of test tube groove and position, glides on the backboard positioned at the temperature measurement component
The top of groove is provided with the temperature measurement component translation groove vertical with the temperature measurement component gliding groove, the temperature measurement component gliding groove and institute
It is groove to state temperature measurement component translation groove, and the gas collection component is arranged on the front end face of the backboard, the thermometric group
Part includes thermometer and thermometer fixed mount, and the leading portion of the thermometer fixed mount is provided with through hole, temperature is provided with the through hole
Degree meter fixed rubber ring, the thermometer are interference fitted through the thermometer fixed rubber ring and with the thermometer fixed rubber ring,
The rear end of the thermometer fixed mount is fixed with temperature measurement component fixed disk, and the rear end of the temperature measurement component fixed disk is provided with sliding
Square, the rear end face of the temperature measurement component fixed disk coordinates with the front end face of the backboard so that the sliding square and the survey
Warm component gliding groove or temperature measurement component translation groove are slidably matched, and the rear end of the sliding square is provided with threaded post, described
The rear end of threaded post coordinates with internal thread cylinder screw thread, and the rear end of the internal thread cylinder is fixed with control crank, the interior spiral shell
The external diameter of line cylinder and the temperature measurement component fixed disk is more than the temperature measurement component gliding groove and the temperature measurement component translates groove
Width.
As restriction, the temperature measurement component translation groove is provided with survey on the lower plane away from the temperature measurement component gliding groove
Warm component storage tank.
Limited as another kind, the test tube fixed mount and the experiment equipment storage rack are located on the backboard
Between be provided with gas collection component fixing hole, level height of the gas collection component fixing hole on the backboard is higher than
The height of the test tube fixed mount and the experiment equipment storage rack, the gas collection component include collecting pipe and collection
Tube fixing device, the upper opening of the collecting pipe are provided with taper plug, and the taper plug is provided with air admission hole and steam vent
To connect air inlet pipe and blast pipe respectively, described air inlet pipe one end is arranged at the collection bottom of the tube and the other end stretches out the cone
Shape plug connects setting with connection rubber tube, and the connection rubber tube is connected with the air induction conduit, and the air induction conduit passes through air inlet
Plug, the air inlet plug seals when the collecting pipe collects gas with the opening of the cylinder to be coordinated, the collecting pipe
The leading portion of fixed mount is provided with collecting pipe retainer plate, and the leading portion of the collecting pipe retainer plate is provided with pretension opening, the collecting pipe with
The collecting pipe retainer plate assembling, the rear end for collecting tube fixing device are fixed with gas collection component fixed disk, the gas
The rear end of collection assembly fixed disk is provided with rotary threaded column, rear end face and the backboard of the gas collection component fixed disk
Front end face coordinate so that the rotary threaded column is rotatably assorted with gas collection component fixing hole, the rotary threaded column rear end
Coordinate with internal thread rotor screw thread, the rear end of the internal thread rotor is fixed with rotary handle, the internal thread rotation
The external diameter for turning cylinder and gas collection assembly fixed disk is more than the diameter of the gas collection component fixing hole.
Limited as another kind, test tube storage circular groove and beaker storage tank, institute are provided with the experiment equipment storage rack
Pedestal is stated to be provided with and test tube storage circular groove quantity identical test tube storage branch with test tube storage circular groove corresponding position
Frame, described test tube storage bracket one end is connected with the pedestal and the other end deposits the home position of circular groove through the test tube
Place, the pedestal are being provided with beaker fixing groove with the beaker storage tank corresponding position.
Limited as another kind, the fixing device includes vertical fixed plate, horizontal fixed plate and triangular plate, institute
State an end of vertical fixed plate to be connected with an end of the horizontal fixed plate, the triangular plate is mutually perpendicular to
Vertical centerline opening position of two sides respectively with the vertical fixed plate and the horizontal fixed plate be connected, it is described vertical
Fixed plate and the horizontal fixed plate are evenly equipped with fixing nut at the both ends of vertical centerline.
Limited as further, vertical fixed plate, the horizontal fixed plate and the triangular plate one
Body machine-shaping.
As restriction, the fixing device is 4, and the junction of the pedestal and the backboard is provided with four fixations
Portion, four fixed parts are located at two ends on front side of the backboard and two ends of rear side, four fixations respectively
Device is coordinated so that four fixing devices are fixed on into four fixed parts by screw and the fixing nut respectively.
Limited as further, be provided with lightening hole on the triangular plate, the lightening hole is triangle.
The present invention as a result of above-mentioned structure, its compared with prior art, acquired technological progress is:
(1)The present invention can facilitate fetching or depositing for experimental apparatus, while can avoid the unnecessary damage of experimental apparatus,
And the storage of kinds of experiments equipment can be carried out, and then a variety of chemical experiments can be demonstrated, its is versatile, can lift results of learning,
Ensure teaching vivid and interesting, the present invention is adapted to the extensive use in chemistry teaching;
(2)The present invention is provided with temperature measurement component gliding groove and temperature measurement component translation groove, ensures that temperature measurement component can be wherein
Freely slide, temperature survey can be carried out to multiple test tubes by one group of temperature measurement component, it is versatile;
(3)The gas collection component of the present invention can be rotated, and it is small that density ratio air is collected when Open Side Down for collection assembly
Gas, the big gas of density ratio air is collected when collection assembly opening upwards, to reach preferable experiment effect.
To sum up, the present invention is simple in construction, disclosure satisfy that chemistry teaching demand, and can reach good teaching efficiency.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.
Fig. 1 is the overall structure diagram described in the embodiment of the present invention;
Fig. 2 is the front portion structure schematic diagram of the bearing assembly described in the embodiment of the present invention;
Fig. 3 is the rear structure schematic diagram of the bearing assembly 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 gas collection component described in the embodiment of the present invention.
In the accompanying drawings:1st, bearing assembly;111st, backboard;112nd, gas collection component fixing hole;113rd, temperature measurement component is deposited
Groove;114th, temperature measurement component translation groove;115th, temperature measurement component gliding groove;121st, pedestal;122nd, cuvette groove;123rd, test tube storage branch
Frame;124th, beaker fixing groove;125th, fixing groove;131st, vertical fixed plate;132nd, horizontal fixed plate;133rd, triangular plate;
134th, fixing nut;135th, lightening hole;141st, test tube fixed mount;142nd, test tube groove;143rd, gas storage test tube fixed mount;
144th, gas storage cuvette groove;151st, experiment equipment storage rack;152nd, test tube storage circular groove;153rd, beaker storage tank;2nd, temperature measurement component;
211st, thermometer;212nd, thermometer fixed mount;213rd, thermometer fixed rubber ring;214th, temperature measurement component fixed disk;215th, sliding side
Block;216th, threaded post;217th, internal thread cylinder;218 control cranks;3rd, gas collection component;311st, collecting pipe;312nd, conical rubber
Plug;313rd, blast pipe;314th, air inlet pipe;315th, connection rubber tube;316th, air induction conduit;317th, air inlet plug;318th, cylinder;
321st, collecting pipe retainer plate;322 pretension openings;323rd, tube fixing device is collected;324th, gas collection component fixed disk;325th, rotate
Threaded post;326th, internal thread rotor;327th, rotary handle.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
It should be noted that the herein presented noun of locality " forward and backward " is to be fixed on backboard 111
On the basis of plane during pedestal 121 where backboard 111, wherein, " preceding " refers to backboard 111 towards temperature measurement component 2
Direction, " rear " refers to that backboard 111 deviates from the direction of temperature measurement component 2, it is to be understood that the appearance of the above-mentioned noun of locality is only
For clear statement technical scheme, the claimed technical scheme of the present invention is not construed as limiting.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, optical bench according to embodiments of the present invention, including bearing assembly 1, thermometric
Component 2 and gas collection assembly 3, the bearing assembly include pedestal 121 and are perpendicularly fixed at the pedestal by fixing device
Backboard 111 on 121, the front end face of backboard 111 right side are provided with experiment equipment storage rack 151, and the left side of the backboard 1 is set
Test tube fixed mount 141 is equipped with, the right side of the test tube fixed mount 141 is provided with gas storage test tube fixed mount 143, described
Test tube fixed mount 141 and the gas storage test tube fixed mount 143 are structure as a whole, and are set on the test tube fixed mount 141
Equally distributed test tube groove 142 is equipped with, equally distributed gas storage cuvette groove is provided with the gas storage test tube fixed mount 143
144, cuvette groove 122 corresponding with the test tube groove 142, the right side of the cuvette groove 122 are provided with the pedestal 121
Fixing groove 125 corresponding with the gas storage cuvette groove 144 is provided with, is fixed on the backboard 111 positioned at the test tube
The surface of frame 141 is vertically arranged with the temperature measurement component gliding groove corresponding with the quantity of the test tube groove 142 and position
115, the top positioned at the temperature measurement component gliding groove 115 on the backboard 111 is provided with and the temperature measurement component gliding groove
115 vertical temperature measurement component translation grooves 114, the temperature measurement component gliding groove 115 and temperature measurement component translation groove 114 are logical
Groove, the gas collection component 3 are arranged on the front end face of the backboard 111, and the temperature measurement component 2 includes the He of thermometer 211
Thermometer fixed mount 212, the leading portion of the thermometer fixed mount 212 are provided with through hole, and being provided with thermometer in the through hole fixes
Cushion rubber 213, the thermometer 211 are matched somebody with somebody through the thermometer fixed rubber ring 213 and with the interference of thermometer fixed rubber ring 213
Close, the rear end of the thermometer fixed mount 212 is fixed with temperature measurement component fixed disk 214, after the temperature measurement component fixed disk 214
End is provided with sliding square 215, the front end face of the rear end face of the temperature measurement component fixed disk 214 and the backboard 111 coordinate with
The sliding square 215 is set to be slidably matched with the temperature measurement component gliding groove 115 or temperature measurement component translation groove 114, it is described
The rear end of sliding square 215 is provided with threaded post 216, and rear end and the screw thread of internal thread cylinder 217 of the threaded post 216 coordinate,
The rear end of the internal thread cylinder 217 is fixed with control crank 218, and the internal thread cylinder 217 and the temperature measurement component are fixed
The external diameter of disk 214 is more than the width of the temperature measurement component gliding groove 115 and temperature measurement component translation groove 114.
In the present invention, cuvette groove 122 and fixing groove 125 are the circular troughs processed on pedestal 121, cuvette groove 122 with
Test tube is fixed together for test tube groove 142, and fixing groove 125 is entered together with gas storage cuvette groove 144 to gas storage test tube
Row is fixed, so as to ensure the stabilization of test tube fixation.
In temperature measurement component 2, thermometer fixed rubber ring 213 uses integral structure, while temperature with thermometer fixed mount 212
Degree meter fixed rubber ring 213 ensures fix stably with the interference fit of thermometer 211, and the rear of thermometer fixed mount 212 is designed with thermometric
Fixed disk 214 before component, fixed disk rear 214 is designed with sliding square 215, the design of sliding square 215 rear before temperature measurement component
There is threaded post 216, threaded post 216 is connected with the operating mechanism being made up of internal thread cylinder 217 and control crank 218, sliding side
Block 215 can slide in temperature measurement component translation groove 114, temperature measurement component gliding groove 115, when operation to temperature measurement component gliding groove
During 115 bottom, start to carry out thermometric to experiment, control crank 218 need to be only tightened when optional position is wanted to be locked, you can
The distance between fixed disk 214 and internal thread cylinder 217 before shortening temperature measurement component, realization is fixed.
Further, as shown in figure 3, the temperature measurement component translates groove 114 in the remote temperature measurement component gliding groove 115
Temperature measurement component storage tank 113 is provided with lower plane.
In embodiments of the invention, in non-working condition, sliding square 215 can be deposited temperature measurement component 2 with temperature measurement component
Put groove 113 to coordinate, and then temperature measurement component 2 is deposited.,
Further, as shown in Fig. 2, Fig. 3, Fig. 5, the He of test tube fixed mount 141 is located on the backboard 111
Gas collection component fixing hole 112, the gas collection component fixing hole are provided between the experiment equipment storage rack 151
112 level height on the backboard 111 is higher than the test tube fixed mount 141 and the experiment equipment storage rack 151
Height, the gas collection component 3 include collecting pipe 311 and collect tube fixing device 323, the top of the collecting pipe 311 is opened
Mouth is provided with taper plug 312, and the taper plug 312 is provided with air admission hole and steam vent to connect the He of air inlet pipe 314 respectively
Blast pipe 313, described one end of air inlet pipe 314 is arranged at the bottom of collecting pipe 311 and the other end stretches out the taper plug 312
Setting is connected with connection rubber tube 315, the connection rubber tube 315 is connected with the air induction conduit 316, and the air induction conduit 316 is worn
Air inlet plug 317 is crossed, the air inlet plug 317 is close with the opening of the cylinder 318 when the collecting pipe 311 collects gas
Envelope coordinates, and the leading portion for collecting tube fixing device 323 is provided with collecting pipe retainer plate 321, the leading portion of the collecting pipe retainer plate 321
Provided with pretension opening 322, the collecting pipe 311 assembles with the collecting pipe retainer plate 321, the collection tube fixing device 323
Rear end is fixed with gas collection component fixed disk 324, and the rear end of the gas collection component fixed disk 324 is provided with rotation screw thread
Post 325, the rear end face of the gas collection component fixed disk 324 coordinate so that the rotation with the front end face of the backboard 111
Threaded post 325 is rotatably assorted with gas collection component fixing hole 112, the rear end of rotary threaded column 325 and internal thread rotational circle
326 screw threads of cylinder coordinate, and the rear end of the internal thread rotor 326 is fixed with rotary handle 327, the internal thread rotor
326 and gas collection assembly fixed disk 324 external diameter be more than the gas collection component fixing hole 112 diameter.
In an embodiment of the present invention, the top of collecting pipe 311 is designed with taper plug 312 and is sealed in the top of collecting pipe 311,
The top of taper plug 312 insertion blast pipe 313 and air inlet pipe 314, wherein one end straight cutting of air inlet pipe 314 to the bottom of collecting pipe 311,
The other end stretches out taper plug 312 and is connected with connection rubber tube 315, and connection rubber tube 315 is connected with air induction conduit 316, air induction conduit
316 pass through air inlet plug 317, only air inlet plug 317 need to be filled in into cylinder 318 caused by gas during use.
Collecting pipe retainer plate 321 preferably uses rubber structure, and Front-end Design has pretension opening 322, and pretension opening 322 is set
Meter ensures that the cooperation of collecting pipe retainer plate 321 and collecting pipe is more stable, and the retainer plate rear of collecting pipe 321 is designed with collecting pipe and consolidated
Determine frame 323, collect the rear of tube fixing device 323 and be designed with fixed disk 324 before gas collection component, fixed before gas collection component
The rear of disk 324 is designed with rotary threaded column 325, and rotary threaded column 325 passes through the gas collection component fixing hole on backboard 111
112, internal thread cylinder 326 and rotary handle 327 are integral type structure, and internal thread cylinder 326 is matched somebody with somebody with the screw thread of rotary threaded column 325
Close.By adjusting rotary handle 327, can reduce before gas collection component between fixed disk 324 and internal thread cylinder 326 away from
From, the effect for clamping backboard 111 is realized, and then gas collection component 3 can be locked in any angle, when gas collection component
3 collect density ratio air small gas when Open Side Down, and it is big that density ratio air is collected when gas collection 3 opening upwards of component
Gas, to reach preferable experiment effect.
Further, as shown in Fig. 2 being provided with test tube storage circular groove 152 and beaker on the experiment equipment storage rack 151
Storage tank 153, the pedestal 121 are provided with and test tube storage circular groove 152 with test tube storage circular groove 152 corresponding position
Quantity identical test tube storage bracket 123, described test tube storage bracket one end is connected with the pedestal 121 and the other end passes through institute
At the home position for stating test tube storage circular groove 152, the pedestal 121 is set with the corresponding position of beaker storage tank 153
There is beaker fixing groove 124.
In an embodiment of the present invention, multiple test tube storage tanks 152 and a burning are provided with experiment equipment storage rack 151
Cup fixing groove 153, pedestal 121 are provided with and the test tube storage quantity phase of circular groove 152 with test tube storage circular groove 152 corresponding position
Same test tube storage bracket 123, test tube can be inverted in test tube storage bracket 123, so that test tube residual liquid flows out.
Further, the fixing device includes vertical fixed plate 131, horizontal fixed plate 132 and triangular plate
133, a vertical end of fixed plate 131 is connected with an end of the horizontal fixed plate 132, and the triangle is consolidated
133 orthogonal two sides of fixed board respectively with the vertical fixed plate 131 and the vertical center of the horizontal fixed plate 132
It is connected at line position, the vertical fixed plate 131 and the horizontal fixed plate 132 are evenly equipped with fixation at the both ends of vertical centerline
Nut 134.
Preferably, the vertical fixed plate 131, the horizontal fixed plate 132 and the one of the triangular plate 133 add
Work is molded.
Further, the fixing device is 4, and the junction of the pedestal 121 and the backboard 111 is provided with four
Fixed part, four fixed parts are respectively positioned at two ends of the front side of the backboard 111 and two ends of rear side, and described four
Individual fixing device is coordinated so that four fixing devices are fixed on into described four by screw and the fixing nut 134 respectively
Fixed part.
So, four fixing devices are respectively in two ends of the front side of backboard 111 and two ends of rear side by pedestal 121
It is fixed with backboard 111, further ensures the reliability that pedestal 121 and backboard 111 connect.
Preferably, lightening hole 135 is provided with the triangular plate 133, the lightening hole 135 is triangle.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification,
The scope of protection of the invention should be belonged to.