CN109499649A - A kind of rack for test tube convenient for teaching - Google Patents
A kind of rack for test tube convenient for teaching Download PDFInfo
- Publication number
- CN109499649A CN109499649A CN201910012550.8A CN201910012550A CN109499649A CN 109499649 A CN109499649 A CN 109499649A CN 201910012550 A CN201910012550 A CN 201910012550A CN 109499649 A CN109499649 A CN 109499649A
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- CN
- China
- Prior art keywords
- test tube
- plate
- rack
- board
- convex lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B01L9/06—Test-tube stands; Test-tube holders
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The invention discloses a kind of rack for test tubes convenient for teaching, including bottom plate and four side plates, four side plates are sequentially connected and surround a hexahedron chamber with bottom plate, four side plates are followed successively by background board, access panel and two parallel mounting plates, a stripe board is set up between the mounting plate of hexahedron chamber two sides, several through-holes being arranged in a row are uniformly provided in stripe board, several through-holes move towards distribution along stripe board, through-hole diameter is slightly larger than test tube outer diameter, corresponding bottom plate is equipped with support column below through-hole, support column top surface is the hemispherical of protrusion, the background board is parallel with stripe board and is made using white plastic plate, the access panel is parallel with background board and is made using colourless transparent material, access panel includes two parallel transparent panels, two constitute an observation chamber between transparent panel and bottom plate, it observes and intracavitary is equipped with an amplifier.Student can be made to be more clear intuitive observation chemical reaction using the rack for test tube, promote the teaching efficiency of chemical experiment.
Description
Technical field
The present invention relates to a kind of rack for test tubes, and in particular to a kind of rack for test tube convenient for teaching.
Background technique
Rack for test tube be for place (the phenomenon that sometimes test tube can also being placed on rack for test tube, observe some experiment),
Dry the most basic laboratory apparatus of the chemical laboratory of test tube.Duckpin or aperture in rack for test tube with respective number,
It is foraminate test tube to be placed vertically stand-by or to continue the progress of observing response, there is clean test tube being put upside down for column, so as to
It dries.In carrying out chemical experiment teaching, most experiment reaction is usually in vitro carried out, and is shown in teacher by test tube
When the process or product of chemical reaction, since test tube is small in size, the student remote apart from dais is difficult to clearly be visually observed that reality
The color and form for testing reaction process and product are unfavorable for effective progress of experimental teaching, reduce teaching efficiency.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention discloses a kind of rack for test tube convenient for teaching, can using the rack for test tube
So that student is more clear intuitive observation chemical reaction, promotes the teaching efficiency of chemical experiment.
The present invention is achieved through the following technical solutions:
A kind of rack for test tube convenient for teaching, including bottom plate and four side plates, four side plates are sequentially connected and surround with bottom plate
One hexahedron chamber, four side plates are followed successively by background board, access panel and two parallel mounting plates, the installation of hexahedron chamber two sides
A stripe board is set up between plate, several through-holes being arranged in a row is uniformly provided in stripe board, several through-holes are along stripe board trend point
Cloth, through-hole diameter are slightly larger than test tube outer diameter, and corresponding bottom plate is equipped with support column below through-hole, and support column top surface is the half of protrusion
Spherical shape, the background board is parallel with stripe board and is made using white plastic plate, and the access panel is parallel with background board and uses
Colourless transparent material is made, and access panel includes two parallel transparent panels, and two constitute an observation chamber between transparent panel and bottom plate,
It observes and intracavitary is equipped with an amplifier.
In the present invention, the through-hole in stripe board is used to place examination that is empty or being chemically reacted or reacted end
It manages, access panel is interior to be equipped with amplifier, and amplifier can amplify test tube part, still be able at a distance intuitively clearly even if being sitting in student
Chu sees invisible spectro chemical reaction process and product form clearly, improves students ' interest of study and focus, and then promote chemistry
The effect of experimental teaching, since the solution and product of chemical reaction are generally focused on test tube bottom, the support on rack for test tube bottom plate
Column can hold up test tube bottom, make the reactive site positive alignment amplifier center of rack for test tube bottom, improve amplification effect.
In the present invention, background board avoids the observation of variegated interference Tube contents, access panel is using transparent using white
Plate can make light smoothly from test tube through amplifier, the support column top surface in protrusion hemispherical, support column top surface with
Test tube base contact surface greatly reduces, and is in point contact, and can reduce the color of support column itself to the greatest extent to reaction in test tube object face
The interference of color improves the effect and accuracy of chemical experiment observation.
The amplifier includes fixed plate, connecting shaft and convex lens, and the fixed board width is greater than observation chamber thickness, fixed plate
It is placed on above two transparent panels, connecting shaft is vertically connected on fixed plate lower surface, and connecting shaft is connected with convex lens top, connecting shaft and convex
It is intracavitary that lens are set to observation.
The convex lens thickness is less than observation chamber thickness, and the convex lens bottom connects a short axle, the connection of short axle bottom end
One idler wheel, idler wheel bottom surface and contacts baseplate, the fixed plate distance transparent plate upper surface distance is 0.1-0.3mm.
Amplifier mainly amplifies the image at test tube by convex lens, is convenient for observation of students, when due to carrying out chemical experiment,
Multiple test tubes are usually placed on rack for test tube, the inside contains the raw material of different colours, form, it is therefore desirable to observe in turn multiple
Test tube in the present invention, is connected with idler wheel by short axle below convex lens, when needing to observe others test tube, operator can be pushed away
The dynamic mobile amplifier of fixed plate, the test tube for making the alignment of its convex lens need to observe realize the portions such as convex lens by the rotation of idler wheel
The movement of part, for directly mobile fixed plate, idler wheel can reduce friction and noise between fixed plate and transparent panel, extend
Rack for test tube service life.
The installation plate top surface is equipped with a groove, and groove thickness is greater than amplifier thickness, and depth is slightly less than amplifier height
Degree, the mounting plate are made using white material, and spare amplifier is equipped in mounting plate groove.
When there are many test tube quantity for needing to observe, the spare amplifier in the mounting plate groove of two sides can be taken out and be placed in
In access panel, realizes multiple test tubes while observing.
Further, the background board and side plate are all made of White-opalescent plastic plate and are made, and the transparent panel is colourless
Transparent glass plate or acrylic board.
Further, the convex lens diameter is 3-5 times of test tube diameter, and on the alignment support column vertex of the convex lens center of circle
At square 1-2cm.
The convex lens center of circle is aligned above support column vertex at 1-2cm, therefore invisible spectro reactant, reaction process and product
In convex lens midpoint, amplification effect is best, is conducive to observation.
Further, the stripe board is with a thickness of 10-30mm.
Since stripe board is with a thickness of 10-30mm, via height 10-30mm, after test tube is placed wherein, position more holds
It is fixed easily, test tube is effectively avoided to topple over or skew, thus test tube bottom is more enough more stable is placed at the top of support column.
Preferably, the number of through-holes is 5-10, and the spacing of adjacent through-holes is 2-4cm.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of rack for test tube convenient for teaching of the present invention, the through-hole in stripe board are used to place empty or are carrying out chemistry
The test tube that reaction or reaction terminate, access panel is interior to be equipped with amplifier, and amplifier can amplify test tube part, even if being sitting in student
It still is able to intuitively clearly see invisible spectro chemical reaction process and product form clearly at a distance, improves students ' interest of study and specially
Note degree, and then the effect of chemical experiment teaching is promoted, since the solution and product of chemical reaction are generally focused on test tube bottom, examination
Support column on pipe support bottom plate can hold up test tube bottom, make the reactive site positive alignment amplifier center of rack for test tube bottom, mention
High amplification effect；
2, a kind of rack for test tube convenient for teaching of the present invention, background board avoid variegated interference Tube contents using white
Observation, access panel use transparent panel, can make light smoothly from test tube through amplifier, the support column top surface is in protrusion
Hemispherical, support column top surface greatly reduce with test tube base contact surface, are in point contact, and can reduce the face of support column itself to the greatest extent
Interference of the color to reaction in test tube object color improves the effect and accuracy of chemical experiment observation；
3, a kind of rack for test tube convenient for teaching of the present invention, amplifier mainly amplify the image at test tube by convex lens, just
In observation of students, when due to carrying out chemical experiment, be usually placed with multiple test tubes on rack for test tube, the inside contain different colours,
The raw material of form, it is therefore desirable to it observes multiple test tubes in turn, in the present invention, idler wheel is connected with by short axle below convex lens, when
When needing to observe other test tubes, operator can push the mobile amplifier of fixed plate, the examination for making the alignment of its convex lens need to observe
Pipe realizes the movement of the components such as convex lens by the rotation of idler wheel, and for directly mobile fixed plate, idler wheel can reduce solid
Friction and noise between fixed board and transparent panel extend rack for test tube service life.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is cross-sectional view of the present invention；
Fig. 3 is stripe board schematic diagram of the present invention.
Label and corresponding parts title in attached drawing:
1- bottom plate, 11- support column, 2- background board, 3- access panel, 31- transparent panel, 32- observation chamber, 4- mounting plate, 41- are recessed
Slot, 5- stripe board, 51- through-hole, 6- test tube, 7- amplifier, 71- fixed plate, 72- connecting shaft, 73- convex lens, 74- short axle, 75- rolling
Wheel.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1-3, a kind of rack for test tube convenient for teaching of the present invention, including bottom plate 1 and four side plates, four side plates according to
Secondary to be connected and surround a hexahedron chamber with bottom plate 1, four side plates are followed successively by the installation parallel with two of background board 2, access panel 3
Plate 4 sets up a stripe board 5 between the mounting plate 4 of hexahedron chamber two sides, be uniformly provided in stripe board 5 it is several be arranged in a row it is logical
Hole 51, several through-holes 51 move towards distribution along stripe board 5, and 51 diameter of through-hole is slightly larger than 6 outer diameter of test tube, the corresponding bottom in 51 lower section of through-hole
Plate 1 is equipped with support column 11, and 11 top surface of support column is the hemispherical of protrusion, and the background board 2 is parallel with stripe board 5 and using white
Color plastic plate is made, and the access panel 3 is parallel with background board 2 and is made using colourless transparent material, and access panel 3 includes two flat
Capable transparent panel 31 constitutes an observation chamber 32, is equipped with an amplifier 7 in observation chamber 32 between two transparent panels 31 and bottom plate 1.
The amplifier 7 includes fixed plate 71, connecting shaft 72 and convex lens 73, and 71 width of fixed plate is greater than observation chamber 32
Thickness, fixed plate 71 are placed on the top of two transparent panels 31, and connecting shaft 72 is vertically connected on 71 lower surface of fixed plate, connecting shaft 72 with it is convex
It is connected at the top of lens 73, connecting shaft 72 and convex lens 73 are set in observation chamber 32.
73 thickness of convex lens is less than observation 32 thickness of chamber, and 73 bottom of convex lens connects a short axle 74, short axle
74 bottom ends connect an idler wheel 75, and 75 bottom surface of idler wheel is contacted with bottom plate 1,71 distance transparent plate of fixed plate, the 31 upper surface distance
For 0.1-0.3mm.
4 top surface of mounting plate is equipped with a groove 41, and 41 thickness of groove is greater than 7 thickness of amplifier, and depth, which is slightly less than, puts
Big 7 height of device, the mounting plate 4 are made using white material, are equipped with spare amplifier 7 in 4 groove 41 of mounting plate.
Embodiment 2
As shown in Figure 1-3, a kind of rack for test tube convenient for teaching of the present invention, including bottom plate 1 and four side plates, four side plates according to
Secondary to be connected and surround a hexahedron chamber with bottom plate 1, four side plates are followed successively by the installation parallel with two of background board 2, access panel 3
Plate 4 sets up a stripe board 5 between the mounting plate 4 of hexahedron chamber two sides, be uniformly provided in stripe board 5 it is several be arranged in a row it is logical
Hole 51, several through-holes 51 move towards distribution along stripe board 5, and 51 diameter of through-hole is slightly larger than 6 outer diameter of test tube, the corresponding bottom in 51 lower section of through-hole
Plate 1 is equipped with support column 11, and 11 top surface of support column is the hemispherical of protrusion, and the background board 2 is parallel with stripe board 5 and using white
Color plastic plate is made, and the access panel 3 is parallel with background board 2 and is made using colourless transparent material, and access panel 3 includes two flat
Capable transparent panel 31 constitutes an observation chamber 32, is equipped with an amplifier 7 in observation chamber 32 between two transparent panels 31 and bottom plate 1.
The amplifier 7 includes fixed plate 71, connecting shaft 72 and convex lens 73, and 71 width of fixed plate is greater than observation chamber 32
Thickness, fixed plate 71 are placed on the top of two transparent panels 31, and connecting shaft 72 is vertically connected on 71 lower surface of fixed plate, connecting shaft 72 with it is convex
It is connected at the top of lens 73, connecting shaft 72 and convex lens 73 are set in observation chamber 32.
73 thickness of convex lens is less than observation 32 thickness of chamber, and 73 bottom of convex lens connects a short axle 74, short axle
74 bottom ends connect an idler wheel 75, and 75 bottom surface of idler wheel is contacted with bottom plate 1,71 distance transparent plate of fixed plate, the 31 upper surface distance
For 0.1-0.3mm.
4 top surface of mounting plate is equipped with a groove 41, and 41 thickness of groove is greater than 7 thickness of amplifier, and depth, which is slightly less than, puts
Big 7 height of device, the mounting plate 4 are made using white material, are equipped with spare amplifier 7 in 4 groove 41 of mounting plate.
Further, the background board 2 and side plate are all made of White-opalescent plastic plate and are made, and the transparent panel 31 is nothing
Color transparent glass plate or acrylic board.
Further, 73 diameter of convex lens is 3-5 times of 6 diameter of test tube, and 73 center of circle of convex lens is directed at support column
Above 11 vertex at 1-2cm.
Further, the stripe board 5 is with a thickness of 10-30mm.
Preferably, 51 number of through-hole is 5-10, and the spacing of adjacent through-holes 51 is 2-4cm.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of rack for test tube convenient for teaching, which is characterized in that including bottom plate (1) and four side plates, four side plates are sequentially connected
And a hexahedron chamber is surrounded with bottom plate (1), four side plates are followed successively by the installation parallel with two of background board (2), access panel (3)
Plate (4), a stripe board (5) is set up between the mounting plate (4) of hexahedron chamber two sides, and stripe board is uniformly provided with several line up on (5)
The through-hole (51) of one row, several through-holes (51) move towards distribution along stripe board (5), and through-hole (51) diameter is slightly larger than test tube (6) outer diameter,
Corresponding bottom plate (1) is equipped with support column (11) below through-hole (51), and support column (11) top surface is the hemispherical of protrusion, the back
Scape plate (2) is parallel with stripe board (5) and is made using white plastic plate, and the access panel (3) is parallel with background board (2) and uses
Colourless transparent material is made, and access panel (3) includes two parallel transparent panels (31), between two transparent panels (31) and bottom plate (1)
An observation chamber (32) is constituted, is equipped with an amplifier (7) in observation chamber (32).
2. a kind of rack for test tube convenient for teaching according to claim 1, which is characterized in that the amplifier (7) includes solid
Fixed board (71), connecting shaft (72) and convex lens (73), fixed plate (71) width are greater than observation chamber (32) thickness, fixed plate (71)
It is placed on above two transparent panels (31), connecting shaft (72) is vertically connected on fixed plate (71) lower surface, connecting shaft (72) and convex lens
(73) top is connected, and connecting shaft (72) and convex lens (73) are set in observation chamber (32).
3. a kind of rack for test tube convenient for teaching according to claim 2, which is characterized in that convex lens (73) thickness is small
In observation chamber (32) thickness, convex lens (73) bottom connects a short axle (74), and short axle (74) bottom end connects an idler wheel
(75), idler wheel (75) bottom surface is contacted with bottom plate (1), and fixed plate (71) distance transparent plate (31) the upper surface distance is 0.1-
0.3mm。
4. a kind of rack for test tube convenient for teaching according to claim 1, which is characterized in that mounting plate (4) top surface is set
There is a groove (41), groove (41) thickness is greater than amplifier (7) thickness, and depth is slightly less than amplifier (7) height, the installation
Plate (4) is made using white material, is equipped with spare amplifier (7) in mounting plate (4) groove (41).
5. a kind of rack for test tube convenient for teaching according to claim 1, which is characterized in that the background board (2) and side plate
It is all made of White-opalescent plastic plate to be made, the transparent panel (31) is colorless and transparent glass plate or acrylic board.
6. a kind of rack for test tube convenient for teaching according to claim 2, which is characterized in that convex lens (73) diameter is
3-5 times of test tube (6) diameter, and above alignment support column (11) vertex of convex lens (73) center of circle at 1-2cm.
7. a kind of rack for test tube convenient for teaching according to claim 1, which is characterized in that the stripe board (5) with a thickness of
10-30mm。
8. a kind of rack for test tube convenient for teaching according to claim 1, which is characterized in that through-hole (51) number is 5-
10, the spacing of adjacent through-holes (51) is 2-4cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012550.8A CN109499649A (en) | 2019-01-07 | 2019-01-07 | A kind of rack for test tube convenient for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012550.8A CN109499649A (en) | 2019-01-07 | 2019-01-07 | A kind of rack for test tube convenient for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109499649A true CN109499649A (en) | 2019-03-22 |
Family
ID=65756274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012550.8A Pending CN109499649A (en) | 2019-01-07 | 2019-01-07 | A kind of rack for test tube convenient for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109499649A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007248306A (en) * | 2006-03-16 | 2007-09-27 | Univ Nihon | Stand and measuring tool |
| CN203508070U (en) * | 2013-09-14 | 2014-04-02 | 孙英壮 | Novel test tube rack |
| CN204990959U (en) * | 2015-09-30 | 2016-01-20 | 景泰县第四中学 | Metal motiliny demonstration ware |
| CN205182797U (en) * | 2015-12-02 | 2016-04-27 | 上海恒润达生生物科技有限公司 | Test tube frame |
| CN205868351U (en) * | 2016-08-07 | 2017-01-11 | 罗佳佳 | Coagulation of blood observes frame |
| CN206168475U (en) * | 2016-07-22 | 2017-05-17 | 东莞理工学院 | Test tube experimental result show shelf |
| CN206408214U (en) * | 2017-01-17 | 2017-08-15 | 南开大学 | A kind of PCR pipe frame for being easy to PCR experiment to operate |
| CN207923698U (en) * | 2018-03-21 | 2018-09-28 | 万舒 | Blood observation analysis amplifier |
| EP2809444B1 (en) * | 2012-02-03 | 2018-10-31 | Siemens Healthcare Diagnostics Inc. | Barcode reading test tube holder |
-
2019
- 2019-01-07 CN CN201910012550.8A patent/CN109499649A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007248306A (en) * | 2006-03-16 | 2007-09-27 | Univ Nihon | Stand and measuring tool |
| EP2809444B1 (en) * | 2012-02-03 | 2018-10-31 | Siemens Healthcare Diagnostics Inc. | Barcode reading test tube holder |
| CN203508070U (en) * | 2013-09-14 | 2014-04-02 | 孙英壮 | Novel test tube rack |
| CN204990959U (en) * | 2015-09-30 | 2016-01-20 | 景泰县第四中学 | Metal motiliny demonstration ware |
| CN205182797U (en) * | 2015-12-02 | 2016-04-27 | 上海恒润达生生物科技有限公司 | Test tube frame |
| CN206168475U (en) * | 2016-07-22 | 2017-05-17 | 东莞理工学院 | Test tube experimental result show shelf |
| CN205868351U (en) * | 2016-08-07 | 2017-01-11 | 罗佳佳 | Coagulation of blood observes frame |
| CN206408214U (en) * | 2017-01-17 | 2017-08-15 | 南开大学 | A kind of PCR pipe frame for being easy to PCR experiment to operate |
| CN207923698U (en) * | 2018-03-21 | 2018-09-28 | 万舒 | Blood observation analysis amplifier |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |