CN210875455U - Gravity center adjusting device of chemical experiment test-tube rack - Google Patents

Gravity center adjusting device of chemical experiment test-tube rack Download PDF

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Publication number
CN210875455U
CN210875455U CN201921756709.9U CN201921756709U CN210875455U CN 210875455 U CN210875455 U CN 210875455U CN 201921756709 U CN201921756709 U CN 201921756709U CN 210875455 U CN210875455 U CN 210875455U
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China
Prior art keywords
welding
test tube
stand
tube rack
chemical experiment
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Expired - Fee Related
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CN201921756709.9U
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Chinese (zh)
Inventor
刘树圻
刘庆
杨洪远
董浩
张腾飞
张洋
陈亚琪
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN201921756709.9U priority Critical patent/CN210875455U/en
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Abstract

The utility model discloses a belongs to the technical field of chemical experiment tools, in particular to a gravity center adjusting device of a chemical experiment test tube rack, which comprises a base, wherein the top of the base is welded with a stand column, the left side of the stand column is provided with a movable groove, a bottom bearing of an inner cavity of the stand column supports a lead screw, the surface of the lead screw is connected with a support rod in a threaded manner, the top end of the support rod penetrates through the stand column and extends to the outer part of the stand column to be welded with a sleeve barrel, the utility model discloses a base, the stand column, the lead screw, the support rod, the sleeve barrel, a rotating rod, a frame, a swing rod, a slide shaft, a turntable, a bearing plate and a motor, so that the chemical experiment test tube rack has the advantages of adjustable gravity center and capability of swinging a test tube, and simultaneously solves the problem that the existing test tube rack only can play the role of fixing the test tube, some experiments, thereby bringing certain inconvenience to chemical experiments.

Description

Gravity center adjusting device of chemical experiment test-tube rack
Technical Field
The utility model relates to a chemistry experiments apparatus technical field specifically is a focus adjusting device of chemistry experiments test-tube rack.
Background
Chemistry is a natural science, and the composition, properties, structure and change rules of substances are researched on the molecular and atomic level; the science of creating new substances, the world is composed of substances, chemistry is one of the main methods and means for human beings to know and reform the substance world, is a long-standing and energetic subject, and the achievement thereof is an important mark of social civilization, and two change forms of chemical change and physical change exist in chemistry.
In-process at the chemistry experiment, need use the test tube to come to save reagent, the test tube need be used the test tube rack to fix when using, current test tube rack only can play the effect of fixed test tube, some experiments need incline the test tube and place, and some experiments need rock the reagent in the test tube, consequently current test tube rack then can not satisfy the user demand, thereby bring certain inconvenience for the chemistry experiment, we propose the focus adjusting device of chemistry experiment test-tube rack for this reason.
Disclosure of Invention
An object of the utility model is to provide a focus adjusting device of chemistry experiment test-tube rack possesses adjustable focus and can rock the advantage of test tube, has solved current test-tube rack and only can play the effect of fixed test tube, and some experiments need incline the test tube and place to test tube to some experiments need rock the reagent in the test tube, and consequently current test-tube rack then can not satisfy the user demand, thereby brings certain inconvenient problem for the chemistry experiment.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a focus adjusting device of chemistry experiment test-tube rack, includes the base, the top welding of base has the stand, the activity groove has been seted up in the left side of stand, the bottom bearing of stand inner chamber supports there is the lead screw, the surperficial threaded connection of lead screw has branch, the outside welding that the top of branch runs through the stand and extends to the stand has the sleeve, telescopic inner chamber bearing supports there is the bull stick, the right-hand member welding of bull stick has the frame, the left end welding of bull stick has the pendulum rod, the spout has been seted up on the surface of pendulum rod, and the inner chamber sliding connection of spout has the slide-shaft, the left side welding of slide-shaft has the carousel, the left side welding of branch has the loading board, the left side of loading board runs through the activity groove and extends to the outside, the top fixed mounting of loading board.
Preferably, the surface welding of lead screw has the driven tooth, the positive meshing of driven tooth has the initiative tooth, the positive axle center department welding of initiative tooth has the pivot, the outside welding that the stand was run through and extended to the stand in the front of pivot has the crank.
Preferably, the front side and the rear side of the inner cavity of the stand column are both provided with limiting grooves, the inner cavity of each limiting groove is connected with a limiting block in a sliding mode, and the inner sides of the limiting blocks are welded with the surfaces of the supporting rods.
Preferably, pull rings are arranged on the front side and the rear side of the frame, pull rods are welded on the inner sides of the pull rings, and clamping plates are welded at the inner ends of the pull rods, penetrate through the frame and extend to the inner cavity of the frame.
Preferably, the surface of the pull rod is sleeved with a spring, the inner end of the spring is welded with the outer side of the clamping plate, the outer end of the spring is welded with the inner wall of the frame, and a groove is formed in the inner side of the clamping plate.
Preferably, the top of the base and the right side of the stand column are welded with the storage box, a control panel is embedded in the front of the storage box, and the bottom of the base is fixedly provided with an anti-skid pad.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a base, a column, the lead screw, branch, the sleeve, the bull stick, a frame, the pendulum rod, the slide-shaft, the carousel, the setting of loading board and motor, make the chemistry experiment test-tube rack possess adjustable focus and can rock the advantage of test tube, the effect that current test-tube rack only can play fixed test tube has been solved simultaneously, some experiments need incline the test tube and place, and some experiments need rock the reagent in the test tube, consequently current test-tube rack then can not satisfy the user demand, thereby bring certain inconvenient problem for the chemistry experiment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial right view of the turntable of the present invention;
FIG. 3 is a partial top cross-sectional view of the column of the present invention;
FIG. 4 is a partial left sectional view of the column of the present invention;
fig. 5 is a partial top sectional view of the frame of the present invention.
In the figure: 1. a base; 2. a column; 3. a screw rod; 4. a strut; 5. a sleeve; 6. a rotating rod; 7. a frame; 8. a swing rod; 9. a slide shaft; 10. a turntable; 11. a carrier plate; 12. a motor; 13. a driven tooth; 14. a driving tooth; 15. a rotating shaft; 16. a crank; 17. a limiting groove; 18. a limiting block; 19. a pull ring; 20. a pull rod; 21. a splint; 22. a spring; 23. a storage box; 24. a control panel; 25. a non-slip mat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, a gravity center adjusting device of a chemical experiment test tube rack comprises a base 1, a vertical column 2 is welded on the top of the base 1, a movable groove is formed on the left side of the vertical column 2, a screw rod 3 is supported by a bottom bearing in the inner cavity of the vertical column 2, a support rod 4 is connected with the surface of the screw rod 3 in a threaded manner, a sleeve 5 is welded on the top end of the support rod 4, which penetrates through the vertical column 2 and extends to the outside of the vertical column 2, a rotating rod 6 is supported by an inner cavity bearing of the sleeve 5, a frame 7 is welded on the right end of the rotating rod 6, a swing rod 8 is welded on the left end of the rotating rod 6, a sliding groove is formed on the surface of the swing rod 8, a sliding shaft 9 is connected in a sliding manner in the inner cavity of the sliding groove, a rotating disk 10 is welded on the left side of the sliding shaft 9, a, through base 1, stand 2, lead screw 3, branch 4, sleeve 5, bull stick 6, frame 7, pendulum rod 8, slide-shaft 9, carousel 10, the setting of loading board 11 and motor 12, make the chemistry experiment test-tube rack possess adjustable focus and can rock the advantage of shaking the test tube, the effect that current test-tube rack only can play fixed test tube has been solved simultaneously, some experiments need to incline the test tube and place, and some experiments need rock the reagent in the test tube, consequently current test-tube rack then can not satisfy the user demand, thereby bring certain inconvenient problem for the chemistry experiment.
In this embodiment, specifically, the surface of the screw rod 3 is welded with the driven tooth 13, the front of the driven tooth 13 is engaged with the driving tooth 14, the axis of the front of the driving tooth 14 is welded with the rotating shaft 15, the front of the rotating shaft 15 penetrates through the upright column 2 and extends to the outside of the upright column 2, and the crank 16 is welded, so that the screw rod 3 can be driven to rotate under the action of the crank 16, and the height of the supporting rod 4 can be adjusted.
In this embodiment, specific, spacing groove 17 has all been seted up to 2 inner chambers of stand front and back both sides, and the inner chamber sliding connection of spacing groove 17 has stopper 18, and stopper 18's inboard and branch 4's surface weld can be spacing to it at the in-process that branch 4 removed under stopper 18 and spacing groove 17's effect to increase its stability.
In this embodiment, it is concrete, both sides all are provided with pull ring 19 around the frame 7, and the inboard welding of pull ring 19 has pull rod 20, and the inner of pull rod 20 runs through frame 7 and extends to the inner chamber welding of frame 7 and has splint 21, and splint 21 can carry out the centre gripping to the test tube, provides convenience for the fixed of test tube.
In this embodiment, specifically, the surface of the pull rod 20 is sleeved with the spring 22, the inner end of the spring 22 is welded to the outer side of the clamping plate 21, the outer end of the spring 22 is welded to the inner wall of the frame 7, the inner side of the clamping plate 21 is provided with the groove, and the spring 22 can apply acting force to the clamping plate 21, so that the clamping firmness degree is better.
In this embodiment, it is concrete, the top of base 1 and the right side welding that is located stand 2 have deposit case 23, the front of depositing case 23 is inlayed and is equipped with control panel 24, the bottom fixed mounting of base 1 has slipmat 25, it can make things convenient for the laboratory glassware to deposit and place to deposit case 23, control panel 24 can be controlled the electrical components of the device, and all electrical components in the device all carry out electric connection through conventional and known circuit connection, slipmat 25 can increase the frictional force between base 1 and the desktop, thereby increase stability.
The working principle is as follows: all electrical elements in the device are powered by an external power supply, and are controlled by a control panel 24, firstly, a pull ring 19 is pulled manually, the pull ring 19 drives a clamp plate 21 to separate through a pull rod 20, at the moment, a test tube is placed on the inner side of the clamp plate 21, the test tube is clamped and fixed under the action of a spring 22, after the fixation is finished, when the angle of the test tube needs to be adjusted, an output shaft of a motor 12 drives a turntable 10 to rotate, the turntable 10 drives a sliding shaft 9 to do circular motion, the sliding shaft 9 is matched with a sliding groove to drive a swing rod 8 to swing, the swing rod 8 drives the swing rod 6 to rotate in the swinging process, the swing rod 6 drives a frame 7 to rotate, so that the adjustment of the angle of the test tube is finished, when the test tube needs to swing, the motor 12 is controlled to rotate continuously, at the moment, the output shaft of the motor 12, the turntable 10 drives the sliding shaft 9 to continuously do circular motion, the sliding shaft 9 drives the swing rod 8 to swing back and forth under the action of the sliding groove, and the swing rod 8 drives the test tube to swing through the rotating rod 6 and the frame 7, so that reagents in the test tube are swung.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a focus adjusting device of chemistry experiment test-tube rack, includes base (1), its characterized in that: the top welding of base (1) has stand (2), the activity groove has been seted up in the left side of stand (2), the bottom bearing of stand (2) inner chamber supports has lead screw (3), the surperficial threaded connection of lead screw (3) has branch (4), the outside welding that the top of branch (4) runs through stand (2) and extend to stand (2) has sleeve (5), the inner chamber bearing of sleeve (5) has bull stick (6), the right-hand member welding of bull stick (6) has frame (7), the left end welding of bull stick (6) has pendulum rod (8), the spout has been seted up on the surface of pendulum rod (8), and the inner chamber sliding connection of spout has slide shaft (9), the left side welding of slide shaft (9) has carousel (10), the left side welding of branch (4) has loading board (11), the left side of loading board (11) runs through the activity groove and extends to the outside, the top fixed mounting of loading board (11) has motor (12), the output shaft of motor (12) and the left side welding of carousel (10).
2. The device for adjusting the center of gravity of the chemical experiment test tube rack according to claim 1, is characterized in that: the surface welding of lead screw (3) has driven tooth (13), the meshing of the front of driven tooth (13) has initiative tooth (14), the positive axle center department welding of initiative tooth (14) has pivot (15), the outside welding that the stand (2) and extend to stand (2) is run through in the front of pivot (15) has crank (16).
3. The device for adjusting the center of gravity of the chemical experiment test tube rack according to claim 1, is characterized in that: spacing groove (17) have all been seted up to both sides around stand (2) inner chamber, the inner chamber sliding connection of spacing groove (17) has stopper (18), the inboard of stopper (18) and the surface weld of branch (4).
4. The device for adjusting the center of gravity of the chemical experiment test tube rack according to claim 1, is characterized in that: both sides all are provided with pull ring (19) around frame (7), pull rod (20) are welded to the inboard welding of pull ring (19), the inner of pull rod (20) runs through frame (7) and extends to the inner chamber welding of frame (7) and has splint (21).
5. The device for adjusting the center of gravity of the chemical experiment test tube rack according to claim 4, is characterized in that: the surface of the pull rod (20) is sleeved with a spring (22), the inner end of the spring (22) is welded with the outer side of the clamping plate (21), the outer end of the spring (22) is welded with the inner wall of the frame (7), and a groove is formed in the inner side of the clamping plate (21).
6. The device for adjusting the center of gravity of the chemical experiment test tube rack according to claim 1, is characterized in that: the top of base (1) and the right side welding that is located stand (2) have deposit case (23), the front of depositing case (23) is inlayed and is equipped with control panel (24), the bottom fixed mounting of base (1) has slipmat (25).
CN201921756709.9U 2019-10-19 2019-10-19 Gravity center adjusting device of chemical experiment test-tube rack Expired - Fee Related CN210875455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921756709.9U CN210875455U (en) 2019-10-19 2019-10-19 Gravity center adjusting device of chemical experiment test-tube rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921756709.9U CN210875455U (en) 2019-10-19 2019-10-19 Gravity center adjusting device of chemical experiment test-tube rack

Publications (1)

Publication Number Publication Date
CN210875455U true CN210875455U (en) 2020-06-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112122012A (en) * 2020-09-11 2020-12-25 浦江凯瑞生物科技股份有限公司 Centrifuge for extracting heparin sodium crude product by compound enzyme method
CN112619735A (en) * 2021-01-04 2021-04-09 广州佳宽科技有限公司 Test-tube rack of culture medium preparation machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112122012A (en) * 2020-09-11 2020-12-25 浦江凯瑞生物科技股份有限公司 Centrifuge for extracting heparin sodium crude product by compound enzyme method
CN112619735A (en) * 2021-01-04 2021-04-09 广州佳宽科技有限公司 Test-tube rack of culture medium preparation machine

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200630

Termination date: 20211019

CF01 Termination of patent right due to non-payment of annual fee