CN212348583U

CN212348583U - Stirrer for experiments

Info

Publication number: CN212348583U
Application number: CN202020646049.5U
Authority: CN
Inventors: 邓天东; 曹军辉; 杨军; 李昌才
Original assignee: Sichuan Kaier Oil Gas Field Technical Service Co ltd
Current assignee: Sichuan Kaier Oil Gas Field Technical Service Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-15
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses an agitator for experiments, include: the box body is provided with a water tank, one side of the box body is distributed with a display, a stirring start-stop knob, a heating start-stop knob and a temperature control knob, and a heater is arranged in the water tank; the placing mechanisms are arranged in the water tank in an equally-spaced array and used for clamping and fixing the test tubes; the stirring mechanism is arranged at the upper end of the box body in an equally-spaced array, corresponds to the placing mechanism in position one to one and is used for stirring reactants in the test tube. The utility model discloses but enlarged the scope of centre gripping test tube, visual operation when having improved stirring and heating has improved stirring efficiency, conveniently heats and stirring integrated control, has stronger practicality.

Description

Stirrer for experiments

Technical Field

The utility model relates to a relevant technical field of laboratory glassware especially relates to an agitator for experiments.

Background

Mix the batching effect for the experiment in the laboratory, therefore, often need with the help of agitating unit, this kind of agitating unit at first need place the test tube on the test-tube rack when the stirring, then, the installation needs carry out the water bath heating to the material in the test tube, then adopt agitating unit to mix the stirring to the material in the test tube, this kind of agitating unit has the test tube of unidimensional not to need to adopt different test-tube racks, consequently, need be equipped with a plurality of test-tube racks in the laboratory, and simultaneously, the rabbling mechanism of this kind of device often breaks away from with whole device, thereby control when giving the material stirring has produced the influence.

Disclosure of Invention

The utility model provides an agitator for experiments to solve the not enough of above-mentioned prior art, enlarged the scope that can the centre gripping test tube, visual operation when having improved stirring and heating has improved stirring efficiency, conveniently heats and stirs integrated control, has stronger practicality.

In order to realize the purpose of the utility model, the following technologies are adopted:

an experimental agitator comprising:

the box body is provided with a water tank, one side of the box body is distributed with a display, a stirring start-stop knob, a heating start-stop knob and a temperature control knob, and a heater is arranged in the water tank;

the placing mechanisms are arranged in the water tank in an equally-spaced array and used for clamping and fixing the test tubes;

the stirring mechanism is arranged at the upper end of the box body in an equally-spaced array, corresponds to the placing mechanism in position one to one and is used for stirring reactants in the test tube.

Further, the placing mechanism comprises a pair of end assembling components arranged on the inner wall of the water tank, an upper clamping component is arranged between the end assembling components in a symmetrical structure, a lower supporting component is arranged under the upper clamping component, and two ends of the lower supporting component are assembled on the end assembling components.

Further, the end assembly component comprises an installation plate installed on the inner wall of the water tank, an inner convex block is installed at the upper end of the installation plate, an inner extension plate is formed at the other end of the inner convex block, telescopic rods are installed on two sides of the inner extension plate, an end disc is installed at the other end of each telescopic rod, and a clamping spring is penetrated through each telescopic rod.

Further, go up the clamp assembly including wearing in the end assembly plate of telescopic link, the centre gripping spring is located between end assembly plate and the end disc, goes up the clamp assembly and still is equipped with the V-arrangement spare including being equidistant array ground, has all formed the connecting plate between the V-arrangement spare, and the V-arrangement spare that is located both ends all forms in the end assembly plate other end, and the V-arrangement spare inner wall all is equipped with anti-skidding rubber pad.

Further, the lower support assembly comprises a lifting rod which is arranged on an inner convex block in a penetrating mode, a lower support connecting plate is installed at the lower end of the lifting rod, the lower support assembly further comprises square plates which are arranged in an equal-interval array, the square plates are located under a V-shaped piece, grooves are formed in the upper walls of the square plates, long strips are arranged between the square plates, the square plates located at two ends are formed on a lower support connecting plate, a lifting spring is arranged at the upper end of the lifting rod in a penetrating mode, an upper plate is installed at the upper end of the lifting rod, rotating seats are installed on two sides of the upper plate in a symmetrical structure mode, the rotating seats are hinged to L-shaped clamping plates, the lifting spring is located between the upper plate and the inner convex block, when a test tube is located in a water tank.

Further, rabbling mechanism is equipped with the kayser subassembly including locating the runner assembly of box upper end, runner assembly one end, and the runner assembly is equipped with the stirring subassembly with equidistant array, and the stirring subassembly all is located the V-arrangement directly over.

Further, the rotating assembly comprises a rotating platform which is installed at the upper end of the box body and located on one side of the water tank, the rotating platform is hinged with a rotating plate, an upper plate is installed at the upper end of the rotating plate, rectangular plates are formed in an equally-spaced array mode and located right above the V-shaped piece, a side plate is installed at the other end of the upper plate, and a plug board is installed at the other end of the side plate.

Furthermore, the kayser subassembly is including installing in the guide bar of box one side a plurality of, and spacing dish is installed to the guide bar other end, and the guide bar has all worn the lug, and the kayser frame is installed to the lug upper end, and when the stirring subassembly stirs, the kayser frame is worn in the picture peg.

Further, the stirring subassembly is installed including evenly distributed and is prolonged the pole a plurality ofly on the rectangular plate, it installs the extension board to prolong the pole upper end, the capstan is installed to the extension board other end, the capstan has the lead screw soon, the carousel is installed to the lead screw upper end, the lead screw lower extreme is equipped with the motor, the protruding board is installed to the motor lower extreme a plurality of, protruding board other pot head is located and is prolonged the pole, the output shaft of motor has the pivot, the rectangular plate is worn in the pivot, the mounting disc is installed down to the pivot lower extreme, down the mounting disc downwardly extending just is to install the spiral shell area with equidistant.

The technical scheme has the advantages that:

1. the box, major structure for whole device, the basin that wherein sets up conveniently carries out operations such as waters heating, wherein for can carry out water bath heating consequently set up corresponding heater in the both sides of basin, simultaneously in order to control each part conveniently, consequently set up corresponding stirring and opened the stop knob, thereby the heating is opened and is stopped the knob, thereby the convenient temperature to the basin of length knob and temperature control knob during the stirring is controlled, carry out effectual control during the stirring to the agitator simultaneously, simultaneously in order to improve the human-computer interaction effect, consequently, the display has been set up, a time and real-time heating temperature for showing the stirring, thereby practicality and maneuverability have been improved.

2. The placing mechanism is used for placing test tubes, so that the placing quantity of the test tubes is increased, a plurality of placing mechanisms are arranged, the utilization rate of space is increased, and the placing mechanisms are arranged at equal intervals. The placing mechanism mainly comprises an end assembling component for assembling an upper clamping component, a lower supporting component arranged at the lower end, wherein a telescopic rod on the end assembling component can assemble an end assembling plate of the upper clamping component on the lower supporting component, a clamping spring arranged in the lower supporting component can automatically enable V-shaped pieces to be close to each other, so that the clamping operation of the upper end of a test tube is facilitated, wherein in order to enlarge the clamping range of the test tube, a main clamping component is arranged into a V-shaped structure, and in order to prevent the test tube from being clamped by the V-shaped pieces, a corresponding anti-skidding rubber pad is arranged on the inner wall of the V-shaped pieces, wherein a square plate on the lower supporting component plays a supporting role for the lower end of the test tube, a groove arranged on the square plate plays a limiting role for the lower end of the test tube, in order to enable the test tube to automatically lift after stirring is completed, a corresponding lifting rod is arranged, when the test tube is in the basin, articulated setting will block the both sides of establishing interior lug at the L shape cardboard lower extreme of lifter upper end both sides to make the test tube can be stably located the basin, and after the experiment finishes, rotate L shape cardboard and make the lifter lose and hold back, thereby carry out elevating movement under the elastic force of the spring that rises, finally realize the automatic upward movement of test tube, thereby avoid the test tube to cause the danger of scald to operating personnel after being heated.

3. Stirring mechanism, mainly used for stirring the reactant in the test tube, wherein, for the stirring mechanism to influence the placing of the test tube, a corresponding rotating assembly is arranged, and a corresponding locking assembly is arranged at one end of the rotating assembly to further lock the rotating effect of the rotating assembly, thereby avoiding the shaking generated when the stirring assembly stirs, thereby influencing the stirring effect, even generating the phenomenon of the fragmentation of the test tube, wherein, the stirring assembly arranged on the rectangular plate of the rotating assembly can rotate around the rotating platform, wherein, for locking the state of the rotating assembly when stirring, a corresponding plug board is arranged and a corresponding locking frame is sleeved on the plug board, the plug board is limited by the locking frame, therefore, the rotating assembly is placed to shake left and right or up and down, wherein, the stirring assembly, for the rotating assembly to generate the rotation of the rotating assembly by the interference of the rotating shaft when the rotating assembly drives the rotating assembly to rotate, consequently, set the mode that becomes the liftable with the motor in the stirring subassembly, in the lift operation in-process, only need rotate the lead screw through the carousel and can realize rotating the motor of installing at the lead screw lower extreme along the upward movement of last extension pole, after a pivot motion to a certain position, will implement the rotation of runner assembly, then through holding in the palm the subassembly down with the test tube transfer-out device, wherein the spiral shell area that is used for the stirring can improve stirring efficiency effectively.

4. The utility model discloses but enlarged the scope of centre gripping test tube, visual operation when having improved stirring and heating has improved stirring efficiency, conveniently heats and stirring integrated control, has stronger practicality.

Drawings

Fig. 1 shows a perspective view of a first embodiment.

Fig. 2 shows a perspective view of the second embodiment.

Fig. 3 shows a three-dimensional structure of one embodiment.

Fig. 4 shows a partial enlarged view at a.

Fig. 5 shows a partial enlarged view at B.

Fig. 6 shows a partial enlargement at C.

Fig. 7 shows a partial enlarged view at D.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

As shown in fig. 1 to 7, an agitator for experiments includes: the box body 1 is provided with a water tank 10, one side of the box body is distributed with a display 11, a stirring start-stop knob 12, a heating start-stop knob 14 and a temperature control knob 15, and a heater 16 is arranged in the water tank 10.

Box 1, the major structure for whole device, the basin 10 that wherein sets up conveniently carries out operations such as waters heating, wherein for can carrying out water bath heating consequently set up corresponding heater 16 in the both sides of basin 10, simultaneously conveniently control each part, consequently set up corresponding stirring and stopped knob 12, the heating stops to stop knob 14, thereby the time knob 13 and the temperature control knob 15 of stirring are conveniently controlled the temperature of basin 10, simultaneously carry out effectual control when the stirring to the agitator, simultaneously in order to improve the human-computer interaction effect, consequently, display 11 has been set up, be used for showing length and real-time heating temperature when stirring, thereby practicality and maneuverability have been improved.

The placing mechanisms 2 are installed in the water tank 10 at equal intervals in an array and used for clamping and fixing the test tubes. The placing mechanism 2 comprises a pair of end assembling components 20 arranged on the inner wall of the water tank 10, an upper clamping component 21 is arranged between the end assembling components 20 in a symmetrical structure, a lower supporting component 22 is arranged under the upper clamping component 21, and two ends of the lower supporting component 22 are assembled on the end assembling components 20. The end assembling component 20 comprises a mounting plate 200 mounted on the inner wall of the water tank 10, an inner convex block 201 is mounted at the upper end of the mounting plate 200, an inner extending plate 202 is formed at the other end of the inner convex block 201, telescopic rods 203 are mounted on two sides of the inner extending plate 202, an end plate 204 is mounted at the other end of each telescopic rod 203, and a clamping spring 205 is penetrated through each telescopic rod 203. Go up clamp assembly 21 including wearing in the end assembly panel 210 of telescopic link 203, grip spring 205 is located between end assembly panel 210 and the end disc 204, goes up clamp assembly 21 and still is equipped with V-arrangement piece 211 including being equidistant array ground, has all formed connecting plate 212 between the V-arrangement piece 211, and the V-arrangement piece 211 that is located both ends all forms in the end assembly panel 210 other end, and V-arrangement piece 211 inner wall all is equipped with anti-skidding rubber pad. Lower support assembly 22 includes the lifter 220 that all wears in interior boss 201, the even board 221 of support down is installed to lifter 220 lower extreme, lower support assembly 22 still includes the square plate 223 that is equidistant array, square plate 223 is located under V-arrangement piece 211, square plate 223 upper wall all forms fluted 224, be equipped with rectangular board 222 between the square plate 223, the square plate 223 that is located both ends all forms and holds in the palm even board 221 down, lifter 220 upper end is worn and is had ascending spring 228, lifter 220 upper end is installed hanging wall 225, hanging wall 225 both sides are symmetrical structure ground and are installed and rotate seat 226, it all articulates to rotate seat 226 has L shape cardboard 227, ascending spring 228 is located between hanging wall 225 and the interior boss 201, when the test tube is located basin 10, the both sides of interior boss 201 are established to the lower extreme card of L shape cardboard 227.

Placing mechanism 2 for place the test tube, for the quantity of placing of improvement test tube, consequently set up a plurality of placing mechanism 2 to in order to improve the utilization ratio in space, consequently will placing mechanism 2 be equidistant setting. The placing mechanism 2 mainly comprises an end assembling component 20 for assembling an upper clamp component 21, a lower support component 22 arranged at the lower end, wherein an expansion rod 203 on the end assembling component 20 can assemble an end assembling plate 210 of the upper clamp component 21 on the end assembling component, a clamping spring 205 arranged in the end assembling component can automatically enable V-shaped pieces 211 to approach each other, so that the clamping operation of the upper end of the test tube is facilitated, wherein in order to expand the clamping range of the test tube, a main clamping component is arranged to be in a V-shaped structure, and in order to prevent the test tube from being clamped by the V-shaped pieces 211, a corresponding anti-skidding rubber pad is arranged on the inner wall of the V-shaped pieces 211, wherein a square plate 223 on the lower support component 22 plays a role of supporting the lower end of the test tube, a groove 224 arranged on the square plate 223 plays a limiting role of the lower end of the test tube, and in order to, consequently, corresponding lifter 220 has been set up, the cover is equipped with ascending spring 228 simultaneously on lifter 220, when the test tube is in basin 10, articulated setting will block the both sides of establishing interior lug 201 at the L shape cardboard 227 lower extreme of lifter 220 upper end both sides, thereby make the test tube can be located in basin 10 steadily, and after the experiment finishes, it makes lifter 220 lose the containment to rotate L shape cardboard 227, thereby carry out elevating movement under the spring action of ascending spring 228, finally realize the automatic upward movement of test tube, thereby avoid the test tube to cause the danger of scald to operating personnel after being heated.

The stirring mechanism 3 is provided with the upper ends of the box bodies 1 in an equally spaced array, corresponds to the placing mechanism 2 in position one by one and is used for stirring reactants in the test tubes. The stirring mechanism 3 comprises a rotating assembly 30 arranged at the upper end of the box body 1, a clamping and locking assembly 31 is arranged at one end of the rotating assembly 30, stirring assemblies 32 are arranged on the rotating assembly 30 in an equally-spaced array mode, and the stirring assemblies 32 are all located right above the V-shaped part 211. The rotating assembly 30 comprises a rotating table 300 which is arranged at the upper end of the box body 1 and located on one side of the water tank 10, the rotating table 300 is hinged with a rotating plate 301, an upper plate 302 is arranged at the upper end of the rotating plate 301, rectangular plates 303 are formed on the upper plate 302 in an equally-spaced array mode, the rectangular plates 303 are located right above the V-shaped part 211, a side plate 304 is arranged at the other end of the upper plate 302, and an inserting plate 305 is arranged at the other end of the side plate 304. The locking assembly 31 comprises a plurality of guide rods 312 arranged on one side of the box body 1, a limiting disc 313 is arranged at the other end of each guide rod 312, lugs 310 penetrate through the guide rods 312, a locking frame 311 is arranged at the upper ends of the lugs 310, and when the stirring assembly 32 stirs, the locking frame 311 penetrates through the inserting plate 305. The stirring assembly 32 comprises a plurality of extending rods 320 which are uniformly distributed and arranged on the rectangular plate 303, a support plate 321 is arranged at the upper end of the extending rod 320, a rotary disc 322 is arranged at the other end of the support plate 321, a screw rod 323 is screwed on the rotary disc 322, a rotary disc 324 is arranged at the upper end of the screw rod 323, a motor 325 is arranged at the lower end of the screw rod 323, a plurality of protruding plates 326 are arranged at the lower end of the motor 325, the extending rod 320 is sleeved at the other end of the protruding plates 326, an output shaft of the motor 325 is connected with a rotating shaft 327, the rotating shaft 327 penetrates through the rectangular plate 303, a lower mounting disc 328 is arranged at the lower end of the.

The stirring mechanism 3 is mainly used for stirring reactants in a test tube, wherein, in order to influence the placement of the test tube by the stirring mechanism 3, a corresponding rotating component 30 is arranged, meanwhile, a corresponding locking component 31 is arranged at one end of the rotating component 30 so as to lock the rotating effect of the rotating component 30, thereby avoiding the shaking generated when the stirring component 32 is stirred, thereby influencing the stirring effect and even generating the phenomenon of the fragmentation of the test tube, wherein, the stirring component 30 arranged on a rectangular plate 303 of the rotating component 30 can rotate around a rotating platform 300, wherein, in order to lock the state of the rotating component 30 during the stirring, a corresponding inserting plate 305 is arranged, and a corresponding locking frame 311 is sleeved on the inserting plate 305, the inserting plate 305 is limited by the locking frame 311, thereby placing the rotating component 30 to shake left and right or up and down, wherein, the stirring component 32, in order to enable the rotating assembly 30 to drive the rotating assembly to rotate, the rotating shaft 327 interferes with the rotating assembly 30 to rotate, and therefore the motor 325 in the stirring assembly 32 is set to be in a lifting mode, in the lifting operation process, the motor 325 rotatably mounted at the lower end of the screw rod 323 can move upwards along the upward extending rod 320 only by rotating the screw rod 323 through the turntable 324, after the rotating shaft 327 moves to a certain position, the rotating assembly 30 can rotate, then the test tube is transferred out of the device through the lower support assembly 22, and the spiral belt 329 used for stirring can effectively improve the stirring efficiency.

Specifically, in the operation process, the selection of the operation process can be performed according to whether heating and stirring are performed during the reaction, specifically, the test tube is firstly placed on the placing mechanism 2, the upper end of the test tube at the placing rear end is positioned between the V-shaped parts 211, the lower end of the test tube is positioned in the groove 224, the lifting rod 220 can be locked by the L-shaped clamping plate 227 before the test tube is placed, meanwhile, the rotating shaft 327 of the stirring assembly 32 is shortened before the test tube is placed, meanwhile, the rotating plate 301 is also in a parallel state with the upper surface of the box body 1, after the test tube is placed, the rotating plate 301 is rotated to be perpendicular to the upper surface of the box body 1, meanwhile, the clamping frame 311 is moved inwards to enable the clamping frame 311 to penetrate through the inserting plate 305, then, the screw rods 323 are rotated to enable the spiral belt to move downwards to the lower end in the test tube and to be submerged by the reactant, and then the stirring start, The stirring time length knob 13, the heating start-stop knob 14 and the temperature control knob 15 control the start-stop of stirring and the stirring time length, the start-stop of the heater 16 and the control of the heater power until the experiment is completed, and then the test tube is taken out.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An agitator for experiments, characterized by comprising:

the stirring device comprises a box body (1) which is provided with a water tank (10), wherein a display (11), a stirring start-stop knob (12), a stirring duration knob (13), a heating start-stop knob (14) and a temperature control knob (15) are distributed on one side of the box body, and a heater (16) is arranged in the water tank (10);

the placing mechanisms (2) are arranged in the water tank (10) in an equally-spaced array and used for clamping and fixing the test tubes;

the stirring mechanisms (3) are arranged at the upper ends of the box bodies (1) in an equally-spaced array mode, correspond to the placing mechanisms (2) in position one to one and are used for stirring reactants in the test tubes.

2. The experimental agitator according to claim 1, wherein the placing mechanism (2) comprises a pair of end assembling components (20) mounted on the inner wall of the water tank (10), a pair of upper clamping components (21) are arranged between the end assembling components (20) in a symmetrical structure, a lower supporting component (22) is arranged under the upper clamping components (21), and two ends of the lower supporting component (22) are assembled on the end assembling components (20).

3. The experimental agitator according to claim 2, wherein the end assembly component (20) comprises a mounting plate (200) mounted on the inner wall of the water tank (10), an inner convex block (201) is mounted on the upper end of the mounting plate (200), an inner extension plate (202) is formed at the other end of the inner convex block (201), telescopic rods (203) are mounted on two sides of the inner extension plate (202), an end disc (204) is mounted at the other end of each telescopic rod (203), and clamping springs (205) are penetrated through the telescopic rods (203).

4. The experimental agitator of claim 3, wherein the upper clamp assembly (21) comprises an end assembling plate (210) penetrating through the telescopic rod (203), the clamping spring (205) is positioned between the end assembling plate (210) and the end disc (204), the upper clamp assembly (21) further comprises V-shaped pieces (211) arranged in an array at equal intervals, connecting plates (212) are formed between the V-shaped pieces (211), the V-shaped pieces (211) at the two ends are formed at the other end of the end assembling plate (210), and anti-skid rubber pads are arranged on the inner walls of the V-shaped pieces (211).

5. The experimental agitator of claim 4, wherein the lower support assembly (22) comprises lifting rods (220) penetrating through the inner convex blocks (201), lower support connecting plates (221) are installed at the lower ends of the lifting rods (220), the lower support assembly (22) further comprises square plates (223) in an equally spaced array, the square plates (223) are located right below the V-shaped part (211), grooves (224) are formed in the upper walls of the square plates (223), strip plates (222) are arranged between the square plates (223), the square plates (223) at two ends are formed on the lower support connecting plates (221), lifting springs (228) penetrate through the upper ends of the lifting rods (220), an upper disc (225) is installed at the upper ends of the lifting rods (220), rotating seats (226) are installed on two sides of the upper disc (225) in a symmetrical structure, L-shaped clamping plates (227) are hinged to the rotating seats (226), and the lifting springs (228) are located between the upper disc (225) and the inner convex blocks (201), when the test tube is positioned in the water tank (10), the lower end of the L-shaped clamping plate (227) is clamped on two sides of the inner convex block (201).

6. The experimental agitator according to claim 4, wherein the stirring mechanism (3) comprises a rotating component (30) arranged at the upper end of the box body (1), a locking component (31) is arranged at one end of the rotating component (30), the rotating component (30) is provided with stirring components (32) in an equally spaced array, and the stirring components (32) are all positioned right above the V-shaped part (211).

7. The stirrer for experiments according to claim 6, wherein the rotating assembly (30) comprises a rotating table (300) which is arranged at the upper end of the box body (1) and is positioned at one side of the water tank (10), the rotating table (300) is hinged with a rotating plate (301), an upper plate (302) is arranged at the upper end of the rotating plate (301), rectangular plates (303) are formed on the upper plate (302) in an equally-spaced array, the rectangular plates (303) are all positioned right above the V-shaped part (211), a side plate (304) is arranged at the other end of the upper plate (302), and an inserting plate (305) is arranged at the other end of the side plate (304).

8. The experimental agitator according to claim 7, wherein the locking assembly (31) comprises a plurality of guide rods (312) arranged on one side of the box body (1), a limiting disc (313) is arranged at the other end of each guide rod (312), lugs (310) penetrate through the guide rods (312), a locking frame (311) is arranged at the upper ends of the lugs (310), and when the agitating assembly (32) is used for agitating, the locking frame (311) penetrates through the inserting plate (305).

9. The experimental agitator of claim 8, wherein the stirring assembly (32) comprises a plurality of upward extending rods (320) uniformly distributed on the rectangular plate (303), supporting plates (321) are mounted at the upper ends of the upward extending rods (320), a rotating disc (322) is mounted at the other ends of the supporting plates (321), a screw rod (323) is screwed on the rotating disc (322), a rotating disc (324) is mounted at the upper end of the screw rod (323), a motor (325) is arranged at the lower end of the screw rod (323), a plurality of protruding plates (326) are mounted at the lower end of the motor (325), the upward extending rods (320) are sleeved at the other ends of the protruding plates (326), an output shaft of the motor (325) is connected with a rotating shaft (327), the rotating shaft (327) penetrates through the rectangular plate (303), a lower mounting disc (328) is mounted at the lower end of the rotating shaft (327), and spiral bands (329) are mounted on the.