CN108970666B - Test-tube rack for chemistry experiments - Google Patents
Test-tube rack for chemistry experiments Download PDFInfo
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- CN108970666B CN108970666B CN201810726855.0A CN201810726855A CN108970666B CN 108970666 B CN108970666 B CN 108970666B CN 201810726855 A CN201810726855 A CN 201810726855A CN 108970666 B CN108970666 B CN 108970666B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 239000000126 substance Substances 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000000670 limiting effect Effects 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 8
- 239000011521 glass Substances 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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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Abstract
The invention relates to the technical field of chemical experiment equipment, in particular to a test tube rack for chemical experiments, which comprises a test tube rack shell, a placing mechanism, a first fixing mechanism, a fixing and supporting mechanism and a second fixing mechanism, wherein the placing mechanism is arranged on the test tube rack shell, so that column type experiment equipment such as common glass rods, pipettes and the like can be placed, the test tube rack is convenient to take and is not easy to fall off and damage. Be equipped with first fixed casing on the test-tube rack casing, can place downthehole preventing test tube at the test tube, play certain limiting displacement, and the fixed column can turned angle wantonly, does not need the handheld slope of people, and is safer, and inclination can freely adjust. Utilize the second fixed establishment that fixed column base portion set up, can effectively fix and place the downthehole test tube of putting into from the test tube, guarantee that the bottom of test tube can not remove about, play the effect that effectual support held up. And the height of the support can be freely adjusted, and the height of the test tube protruding out of the top surface of the test tube rack can be freely adjusted.
Description
Technical Field
The invention relates to the technical field of chemical experiment equipment, in particular to a test tube rack for a chemical experiment.
Background
The test tube rack is one kind of chemical experiment instrument. The test tube rack is the most basic laboratory instrument in a chemical laboratory for placing (sometimes, test tubes can be placed on the test tube rack to observe the phenomenon of a certain experiment) and drying the test tubes. The test tube rack is attached with a corresponding number of small wooden columns and small holes. The foraminous tube may be placed upright for use or to allow continued observation of the reaction. The cleaned test tube with the column can be placed upside down for air drying.
In the chemical experiment process, there is the unstable condition of test tube placement, and at the in-process of placing, the test tube inclines easily when not needing the slope to place, and fixed stable when needs slope to place. In view of this, the invention provides a test tube rack for chemical experiments, which has the following characteristics:
(1) according to the test tube rack for the chemical experiment, the placing mechanism is arranged on the shell of the test tube rack, column type experimental equipment such as a glass rod and a pipette which are commonly used can be placed, the test tube rack is convenient to take and is not easy to fall off and damage.
(2) According to the test tube rack for the chemical experiment, the first fixing shell is arranged on the test tube rack shell, so that a test tube can be prevented from being placed in the test tube placing hole, a certain limiting effect is achieved, the fixing column can rotate at any angle, the test tube can be directly inclined on the test tube rack during the experiment, the operation of holding the test tube by hands to incline is not needed, the test tube rack is safer, and the inclination angle can be freely adjusted.
(3) According to the test tube rack for the chemical experiment, the second fixing mechanism arranged at the bottom of the fixing column is utilized, so that the test tube placed in the test tube placing hole can be effectively fixed, the bottom of the test tube is prevented from moving left and right, and the effect of effectively supporting the support is achieved. And the height of the support can be freely adjusted, and the height of the test tube protruding out of the top surface of the test tube rack can be freely adjusted.
(4) According to the test tube rack for the chemical experiment, the fixing and supporting mechanism is arranged at the bottom of the shell of the test tube rack, so that the stability can be effectively guaranteed, meanwhile, the effective fixing effect can be realized, and the accuracy and the safety of the chemical experiment can be guaranteed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a test tube rack for chemical experiments, wherein a placing mechanism is arranged on a shell of the test tube rack, column type experimental equipment such as common glass rods and pipettes can be placed, and the test tube rack is convenient to take and not easy to fall and damage. Be equipped with first fixed casing on the test-tube rack casing, can place downthehole preventing the test tube at the test tube, play certain limiting displacement, and the fixed column can turned angle wantonly, can be when doing the experiment, directly tilt up the test tube on the test-tube rack, need not people's hand and is holding the operation of inclining, and is safer, and inclination can freely be adjusted. Utilize the second fixed establishment that fixed column base portion set up, can effectively fix and place the downthehole test tube of putting into from the test tube, guarantee that the bottom of test tube can not remove about, play the effect that effectual support held up. And the height of the support can be freely adjusted, and the height of the test tube protruding out of the top surface of the test tube rack can be freely adjusted. The bottom of test-tube rack casing is equipped with fixed stay mechanism, can be effectual when guaranteeing steadily, plays effective fixed effect, guarantees the accurate nature and the security of chemistry experiment.
The technical scheme adopted by the invention for solving the technical problems is as follows: a test tube rack for chemical experiments comprises a test tube rack shell, a placing mechanism, a first fixing mechanism, a fixed supporting mechanism and a second fixing mechanism, wherein the placing mechanism is arranged on the top surface of one end of the test tube rack shell; the first fixing mechanism is arranged on the test tube rack shell and comprises a fixed column, a pressing knob, a first rotating column, a telescopic column, a spring and a gear, the pressing knob is arranged on the side wall of the test tube rack shell, the pressing knob penetrates into the test tube rack shell and is connected with one end of the telescopic column, which is close to the pressing knob, is sleeved with the gear, the gear is clamped and connected in a clamping groove in the test tube rack shell, the other end of the telescopic column is telescopically clamped and connected in a groove at one end of the first rotating column, the spring is fixedly connected between the first rotating column and the gear on the telescopic column, the other end of the first rotating column is connected to the fixing column, a test tube placing hole is formed in the fixing column, and the fixing column is clamped and rotatably connected in the through groove in the test tube rack shell; the second fixing mechanism is arranged at the bottom of the placing hole on the fixing column and comprises a connecting belt, a fixing net bag, a second rotating column and a rotating chuck, the rotating chuck is arranged on the fixing column on one side of the test tube placing hole and is sleeved on the second rotating column, the second rotating column is rotatably connected in the test tube rack shell, one end of the connecting belt is wound and connected on the second rotating column, and the other end of the connecting belt penetrates out of the bottom surface of the fixing column and is connected with the fixing net bag; the bottom of test-tube rack casing is equipped with fixed supporting mechanism.
Specifically, place the mechanism including supporting base, first baffle and second baffle, it locates to support the base on the one end top surface of test-tube rack casing, be equipped with on the support base first baffle, support the base with the outside of first baffle is equipped with the second baffle, second baffle fixed connection in on the test-tube rack casing, can realize placing some long columnar order experimental facilities such as some glass sticks, pipette, conveniently take. And the second baffle can play an effective protective action, prevents that the experimental facilities landing damages when the test-tube rack casing inclines to be held.
The utility model discloses a test tube rack casing, including support base, second baffle, test tube rack casing, support base and support base, the support base is the right triangle structure, the second baffle is the elliptic cylindrical structure, just the second baffle with form curved recess between the support base, realize placing experimental facilities, the equipment of being convenient for simultaneously take, and the in-process that the test tube rack casing removed, support the base with the limit corner angle of second baffle can not cause the injury to the human body. First baffle is quarter cylindrical structure, just the radius of first baffle is greater than the length of the right angle side of support base plays effectual guard action, and occupation space is not simultaneously.
The test tube rack is characterized in that the fixing columns are located on the side walls of two sides of the test tube placing holes and are of arc-shaped structures, the fixing columns are arranged on the shell of the test tube rack and are arranged in parallel, and the fixing columns are adjacent to each other, certain gaps exist between the fixing columns, and therefore the fixing column rack is convenient to use, the fixing columns do not cause shell clamping when rotating, and the rotating angle is larger.
Specifically, the width of gear with the degree of depth of the draw-in groove in the test-tube rack casing equals, and this draw-in groove be with the star structure that the gear size equals realizes utilizing when the gear block is in the draw-in groove, play effectual limiting displacement.
Specifically, the part of the top surface of the fixed column, which protrudes out of the rotating chuck, is smaller than one half of the rotating chuck, and the side wall of the rotating chuck is provided with angle number scales, so that the rotating angles of the rotating chucks can be conveniently determined, and the height relation among a plurality of connecting belts can be determined. The top surface of the rotating chuck is provided with grains, so that friction force is increased, and the rotating disk is convenient to rotate.
It is specific, it is equipped with four at least, and four to connect the belt symmetry and locate the test-tube rack casing the hole is placed all around to the test tube, fixed string bag is half spherical structure, increases the stability of fixed connection test tube.
Specifically, fixed supporting mechanism includes first support column, second support column, stop pin and sucking disc, first support column connect in the bottom surface of test-tube rack casing, the second support column stretch out and draw back cup joint in the lateral wall of first support column, the lateral wall of second support column is equipped with the injection spacing downthehole on the first support column the stop pin, the bottom surface of first support column is equipped with the sucking disc plays effectual fixed stay effect.
Specifically, first support column is equipped with four at least, and four first support column is located the bottom surface of test-tube rack casing is all around, the bottom area of sucking disc is less than the bottom area of first support column, on the first support column spacing hole is equipped with two, the bottom surface of sucking disc with the bottom surface of second support column is in on the same horizontal plane, and two interval between the spacing hole with the high equal of sucking disc increases fixed stay's stability and fastness.
The invention has the beneficial effects that:
(1) according to the test tube rack for the chemical experiment, the placing mechanism is arranged on the shell of the test tube rack, column type experimental equipment such as a glass rod and a pipette which are commonly used can be placed, the test tube rack is convenient to take and is not easy to fall off and damage.
(2) According to the test tube rack for the chemical experiment, the first fixing shell is arranged on the test tube rack shell, so that a test tube can be prevented from being placed in the test tube placing hole, a certain limiting effect is achieved, the fixing column can rotate at any angle, the test tube can be directly inclined on the test tube rack during the experiment, the operation of holding the test tube by hands to incline is not needed, the test tube rack is safer, and the inclination angle can be freely adjusted.
(3) According to the test tube rack for the chemical experiment, the second fixing mechanism arranged at the bottom of the fixing column is utilized, so that the test tube placed in the test tube placing hole can be effectively fixed, the bottom of the test tube is prevented from moving left and right, and the effect of effectively supporting the support is achieved. And the height of the support can be freely adjusted, and the height of the test tube protruding out of the top surface of the test tube rack can be freely adjusted.
(4) According to the test tube rack for the chemical experiment, the fixing and supporting mechanism is arranged at the bottom of the shell of the test tube rack, so that the stability can be effectively guaranteed, meanwhile, the effective fixing effect can be realized, and the accuracy and the safety of the chemical experiment can be guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a preferred embodiment of a test tube rack for chemical experiments according to the present invention;
fig. 2 is a schematic view of a connection mechanism of the first fixing mechanism and the rack housing shown in fig. 1;
FIG. 3 is a schematic front cross-sectional view of the first securing mechanism shown in FIG. 1;
FIG. 4 is a schematic side sectional view of the fixing post shown in FIG. 1;
FIG. 5 is an enlarged view of portion A of FIG. 1;
fig. 6 is a schematic cross-sectional structure view of the fixed support mechanism shown in fig. 1.
In the figure: 1. the test-tube rack shell, 2, the placement mechanism, 21, the support base, 22, first baffle, 23, the second baffle, 3, first fixed establishment, 31, the fixed column, 31a, the hole is placed to the test tube, 32, press the knob, 33, first rotation post, 34, flexible post, 35, the spring, 36, the gear, 4, fixed supporting mechanism, 41, first support post, 41a, spacing hole, 42, the second support post, 43, the stop pin, 44, the sucking disc, 5, second fixed establishment, 51, the connecting belt, 52, fixed string bag, 53, the second rotation post, 54, the rotation chuck.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the test tube rack for chemical experiments according to the present invention includes a test tube rack housing 1, a placement mechanism 2, a first fixing mechanism 3, a fixed support mechanism 4, and a second fixing mechanism 5, wherein the placement mechanism 2 is disposed on a top surface of one end of the test tube rack housing 1; the first fixing mechanism 3 is arranged on the test tube rack shell 1, the first fixing mechanism 3 includes a fixing column 31, a pressing knob 32, a first rotating column 33, a telescopic column 34, a spring 35 and a gear 36, the pressing knob 32 is arranged on the side wall of the test tube rack shell 1, the pressing knob 32 penetrates into the test tube rack shell 1 and is connected with one end of the telescopic column 34, which is close to the pressing knob 32, is sleeved with the gear 36, the gear 36 is connected in a clamping groove in the test tube rack shell 1 in a clamping manner, the other end of the telescopic column 34 is connected in a telescopic clamping manner in a groove at one end of the first rotating column 33, the spring 35 is fixedly connected between the first rotating column 33 and the gear 36 on the telescopic column 34, and the other end of the first rotating column 33 is connected with the fixing column 31, test tube placing holes 31a are formed in the fixing columns 31, and the fixing columns 31 are clamped and rotatably connected in the through grooves in the test tube rack shell 1; the second fixing mechanism 5 is arranged at the bottom of the placing hole on the fixing column 31, the second fixing mechanism 5 comprises a connecting belt 51, a fixing net bag 52, a second rotating column 53 and a rotating chuck 54, the rotating chuck 54 is arranged on the fixing column 31 at one side of the test tube placing hole 31a, the rotating chuck 54 is sleeved on the second rotating column 53, the second rotating column 53 is rotatably connected in the test tube rack housing 1, one end of the connecting belt 51 is wound and connected on the second rotating column 53, and the other end of the connecting belt 51 penetrates through the bottom surface of the fixing column 31 and is connected to the fixing net bag 52; the bottom of the test tube rack shell 1 is provided with the fixed supporting mechanism 4.
Specifically, as shown in fig. 1, the placing mechanism 2 of the test tube rack for chemical experiments in the present invention includes a supporting base 21, a first baffle 22 and a second baffle 23, the supporting base 21 is disposed on a top surface of one end of the test tube rack housing 1, the first baffle 22 is disposed on the supporting base 21, the second baffle 23 is disposed on outer sides of the supporting base 21 and the first baffle 22, and the second baffle 23 is fixedly connected to the test tube rack housing 1, so that some long column type experimental devices such as glass rods and pipette tubes can be placed, and the taking is convenient. And the second baffle 23 can play an effective protective role, and prevent the experimental equipment from sliding and being damaged when the test tube rack shell 1 is inclined and held.
Specifically, as shown in fig. 1, the supporting base 21 of the test tube rack for chemical experiments is of a right triangle structure, the second baffle 23 is of an elliptic cylindrical structure, an arc-shaped groove is formed between the second baffle 23 and the supporting base 21, experimental equipment is placed, the equipment is convenient to take, and in the moving process of the test tube rack shell 1, the edge corners of the supporting base 21 and the second baffle 23 do not hurt a human body. First baffle 22 is quarter cylindrical structure, just the radius of first baffle 22 is greater than the length of the right angle side of support base 21 plays effectual guard action, and is simultaneously, not occupation space.
Specifically, as shown in fig. 1, the side walls of the fixing columns 31 of the test tube rack for chemical experiments, which are located at two sides of the test tube placing hole 31a, are arc-shaped structures, a plurality of fixing columns 31 are arranged on the test tube rack housing 1, the fixing columns 31 are arranged in parallel, and a certain gap is formed between every two adjacent fixing columns 31, so that a clamping case is not caused when the fixing columns 31 rotate, and the rotation angle is larger.
Specifically, as shown in fig. 2, the width of the gear 36 of the test tube rack for chemical experiments is equal to the depth of the clamping groove in the test tube rack housing 1, and the clamping groove is in a star-shaped structure with the same size as the gear 36, so that when the gear 36 is clamped in the clamping groove, an effective limiting effect is achieved.
Specifically, as shown in fig. 5, the portion of the rotating chuck 54 of the test tube rack for chemical experiments, which protrudes out of the top surface of the fixing column 31, is less than one half of the rotating chuck 54, and the side wall of the rotating chuck 54 is provided with angle scale marks, so that the rotating angles of the rotating chucks 54 can be conveniently determined, and thus the height relationship among the connecting belts 51 can be determined. The top surface of the rotating chuck 54 is provided with grains, so that friction force is increased, and the rotating disk is convenient to rotate.
Specifically, as shown in fig. 3, at least four connecting belts 51 are provided in the test tube rack for chemical experiments, the four connecting belts 51 are symmetrically provided around the test tube placing hole 31a of the test tube rack housing 1, and the fixing net bag 52 is of a hemispherical structure, so that the stability of fixedly connecting test tubes is improved.
Specifically, as shown in fig. 1 and fig. 6, the fixing and supporting mechanism 4 of the test tube rack for chemical experiments in the present invention includes a first supporting column 41, a second supporting column 42, a stopping pin 43 and a suction cup 44, the first supporting column 41 is connected to the bottom surface of the test tube rack housing 1, the second supporting column 42 is telescopically sleeved on the outer side wall of the first supporting column 41, the stopping pin 43 penetrating into a limiting hole 41a on the first supporting column 41 is disposed on the outer side wall of the second supporting column 42, and the suction cup 44 is disposed on the bottom surface of the first supporting column 41, so as to play an effective fixing and supporting role.
Specifically, as shown in fig. 1 and 6, the number of the first support columns 41 of the test tube rack for chemical experiments is at least four, the four first support columns 41 are arranged around the bottom surface of the test tube rack housing 1, the bottom area of the suction cup 44 is smaller than the bottom area of the first support column 41, two limit holes 41a are formed in the first support column 41, the bottom surface of the suction cup 44 and the bottom surface of the second support column 42 are located on the same horizontal plane, and the distance between the two limit holes 41a is equal to the height of the suction cup 44, so that the stability and firmness of the fixed support are improved.
The test tube rack shell 1 is placed on a flat table top by using the fixed supporting mechanism 4. The long column type experimental apparatus is then placed on the placing mechanism 2. Then, insert the test tube in first fixed casing on the test-tube rack casing 1, make the test tube be in the fixed casing of second simultaneously, utilize the inclination of first fixed casing regulation test tube, utilize the fixed casing of second to hold up certain height, be convenient for observe with the test tube. The method specifically comprises the following steps:
(1) placing the test tube rack shell 1 on a flat table top, when the test tube rack shell 1 does not need to be fixed, twisting the stop pin 43 when the test tube rack shell 1 is likely to move at any time, fixing the stop pin 43 in the limiting hole 41a at the bottom on the first support column 41, making the suction cup 44 be in the cavity formed at the bottoms of the first support column 41 and the second support column 42, making the second support column 42 contact with the table top, and playing a role in moving and supporting. When the test tube rack shell 1 does not need to be moved and needs to be effectively fixed, the stop pin 43 is screwed, so that the stop pin 43 is connected to the first support column 41 and positioned in the upper limit hole 41a, at the moment, the suction cup 44 at the bottom of the first support column 41 is exposed, the whole test tube rack shell 1 is fixed on the table board by the suction cup 44, and the test tube rack shell cannot be overturned and is safer.
(2) Then, the glass rod, the pipette and other column type experimental equipment are placed in the grooves of the supporting base 21 and the first baffle 22 on the test tube rack shell 1, and the placing is simple and the taking is convenient. Meanwhile, the second baffle plate 23 can be effectively utilized to prevent the experimental equipment from sliding out from the side edge to cause damage when the test tube rack shell 1 is obliquely held.
(3) Then, in inserting the test tube for experiments into the test tube inserting hole on the fixed column 31, utilize the test tube inserting hole to play effectual limiting displacement, prevent that the test tube from removing about. Meanwhile, the bottom of the test tube is supported by the fixed net bag 52 and the connecting belt 51, so that the test tube is fixedly supported. Then, when the test tube that needs to incline added solution, do not need the handheld slope operation of people, only need press the knob 32 of pressing on the test-tube rack casing 1 lateral wall, make gear 36 break away from the draw-in groove in the test-tube rack casing 1, then rotate and press knob 32, utilize flexible post 34 to drive first rotation post 33 and rotate to drive fixed column 31 and rotate certain angle, realize the inclination of adjusting the test tube wantonly.
(4) Then, when the test tube is raised or reduced to needs, only need rotate the rotating chuck 54 on the fixed column 31, drive second rotation post 53 and rotate and twine connection belt 51, utilize connection belt 51 to drive fixed string bag 52 and rise or descend to the realization drives the test tube and rises or descends, and the operating personnel of being convenient for observes the condition in the test tube, is convenient for simultaneously take of test tube.
The placing mechanism 2 is arranged on the test tube rack shell 1, column type experimental equipment such as glass rods, pipettes and the like which are commonly used can be placed, and the test tube rack is convenient to take and not easy to fall off and damage. Be equipped with first fixed casing on the test-tube rack casing 1, can place and prevent the test tube in hole 31a at the test tube, play certain limiting displacement, and fixed column 31 can arbitrary turned angle, can be when doing the experiment, directly tilt up the test tube on the test-tube rack, need not people's hand and is holding the slope operation, and is safer, and inclination can freely adjust. Utilize the second fixed establishment 5 that fixed column 31 bottom set up, can effectively fix the test tube of placing in the hole 31a from the test tube, guarantee that the bottom of test tube can not remove about, play the effect that effectual support held up. And the height of the support can be freely adjusted, and the height of the test tube protruding out of the top surface of the test tube rack can be freely adjusted. The bottom of test-tube rack casing 1 is equipped with fixed stay mechanism 4, can be effectual when guaranteeing steadily, plays effective fixed effect, guarantees the accurate nature and the security of chemistry experiment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a test-tube rack for chemistry experiments which characterized in that: the test tube rack comprises a test tube rack shell (1), a placing mechanism (2), a first fixing mechanism (3), a fixed supporting mechanism (4) and a second fixing mechanism (5), wherein the placing mechanism (2) is arranged on the top surface of one end of the test tube rack shell (1); the test tube rack is characterized in that the first fixing mechanism (3) is arranged on the test tube rack shell (1), the first fixing mechanism (3) comprises a fixing column (31), a pressing knob (32), a first rotating column (33), a telescopic column (34), a spring (35) and a gear (36), the pressing knob (32) is arranged on the side wall of the test tube rack shell (1), the pressing knob (32) penetrates into the test tube rack shell (1) and is connected to one end of the telescopic column (34), one end, close to the pressing knob (32), of the telescopic column (34) is sleeved with the gear (36), the gear (36) is connected to a clamping groove in the test tube rack shell (1) in a clamping mode, the other end of the telescopic column (34) is connected to a groove in one end of the first rotating column (33) in a telescopic clamping mode, the spring (35) is fixedly connected between the first rotating column (33) and the gear (36) on the telescopic column (34), the other end of the first rotating column (33) is connected to the fixing column (31), a test tube placing hole (31a) is formed in the fixing column (31), and the fixing column (31) is clamped and rotatably connected in a through groove in the test tube rack shell (1); wherein,
the second fixing mechanism (5) is arranged at the bottom of the placing hole on the fixing column (31), the second fixing mechanism (5) comprises a connecting belt (51), a fixing net bag (52), a second rotating column (53) and a rotating chuck (54), the rotating chuck (54) is arranged on the fixing column (31) on one side of the test tube placing hole (31a), the rotating chuck (54) is sleeved on the second rotating column (53), the second rotating column (53) is rotatably connected into the test tube rack shell (1), one end of the connecting belt (51) is connected onto the second rotating column (53) in a winding mode, and the other end of the connecting belt (51) penetrates through the bottom face of the fixing column (31) and is connected to the fixing net bag (52); the bottom of the test tube rack shell (1) is provided with the fixed supporting mechanism (4).
2. The test tube rack for chemical experiments according to claim 1, characterized in that: place mechanism (2) including supporting base (21), first baffle (22) and second baffle (23), support base (21) and locate on the one end top surface of test-tube rack casing (1), be equipped with on supporting base (21) first baffle (22), support base (21) with the outside of first baffle (22) is equipped with second baffle (23), second baffle (23) fixed connection in on the test-tube rack casing (1).
3. The test tube rack for chemical experiments according to claim 2, characterized in that: the supporting base (21) is of a right-angled triangle structure, the second baffle (23) is of an elliptic cylindrical structure, an arc-shaped groove is formed between the second baffle (23) and the supporting base (21), the first baffle (22) is of a quarter cylindrical structure, and the radius of the first baffle (22) is greater than the length of a right-angled edge of the supporting base (21).
4. The test tube rack for chemical experiments according to claim 1, characterized in that: the fixing columns (31) are located on the side walls of two sides of the test tube placing holes (31a) and are of arc-shaped structures, the fixing columns (31) on the test tube rack shell (1) are arranged in a plurality of parallel, and certain gaps exist between every two adjacent fixing columns (31).
5. The test tube rack for chemical experiments according to claim 1, characterized in that: the width of gear (36) with the degree of depth of draw-in groove in test-tube rack casing (1) equals, and this draw-in groove be with gear (36) the star structure that the size equals.
6. The test tube rack for chemical experiments according to claim 1, characterized in that: the part of the rotating chuck (54) protruding out of the top surface of the fixing column (31) is smaller than one half of the rotating chuck (54), the side wall of the rotating chuck (54) is provided with angle number scales, and the top surface of the rotating chuck (54) is provided with grains.
7. The test tube rack for chemical experiments according to claim 1, characterized in that: connect belt (51) and be equipped with four at least, and four connect belt (51) symmetry and locate test-tube rack casing (1) the test tube is placed around hole (31a), fixed string bag (52) are half spherical structure.
8. The test tube rack for chemical experiments according to claim 1, characterized in that: fixed supporting mechanism (4) include first support column (41), second support column (42), stop pin (43) and sucking disc (44), first support column (41) connect in the bottom surface of test-tube rack casing (1), second support column (42) flexible cup joint in the lateral wall of first support column (41), the lateral wall of second support column (42) is equipped with and penetrates into in spacing hole (41a) on first support column (41) stop pin (43), the bottom surface of first support column (41) is equipped with sucking disc (44).
9. The test tube rack for chemical experiments according to claim 8, characterized in that: first support column (41) are equipped with four at least, and four first support column (41) are located the bottom surface of test-tube rack casing (1) is all around, the bottom surface area of sucking disc (44) is less than the bottom surface area of first support column (41), on first support column (41) spacing hole (41a) are equipped with two, the bottom surface of sucking disc (44) with the bottom surface of second support column (42) is in on same horizontal plane, and two interval between spacing hole (41a) with the height of sucking disc (44) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726855.0A CN108970666B (en) | 2018-07-04 | 2018-07-04 | Test-tube rack for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726855.0A CN108970666B (en) | 2018-07-04 | 2018-07-04 | Test-tube rack for chemistry experiments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108970666A CN108970666A (en) | 2018-12-11 |
| CN108970666B true CN108970666B (en) | 2020-07-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5284623A (en) * | 1991-06-25 | 1994-02-08 | Falco Biosystems, Inc. | Division directing device for blood testing |
| CN202290112U (en) * | 2011-10-28 | 2012-07-04 | 上海海洋大学 | Inclination-adjustable test tube culture medium placing rack |
| CN205042516U (en) * | 2015-10-22 | 2016-02-24 | 季虎 | Test -tube rack for chemistry teaching experiments |
| CN205550355U (en) * | 2016-04-18 | 2016-09-07 | 西安交通大学第一附属医院 | Multi -functional test tube rack |
-
2018
- 2018-07-04 CN CN201810726855.0A patent/CN108970666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5284623A (en) * | 1991-06-25 | 1994-02-08 | Falco Biosystems, Inc. | Division directing device for blood testing |
| CN202290112U (en) * | 2011-10-28 | 2012-07-04 | 上海海洋大学 | Inclination-adjustable test tube culture medium placing rack |
| CN205042516U (en) * | 2015-10-22 | 2016-02-24 | 季虎 | Test -tube rack for chemistry teaching experiments |
| CN205550355U (en) * | 2016-04-18 | 2016-09-07 | 西安交通大学第一附属医院 | Multi -functional test tube rack |
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| CN108970666A (en) | 2018-12-11 |
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