阅读说明：本技术 一种化学实验用试管架及其使用方法 (Test tube rack for chemical experiments and using method thereof ) 是由 潘欣雨 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种化学实验用试管架及其使用方法,属于教学用具技术领域,该化学实验用试管架及其使用方法,包括：底板、导流板、摇匀装置、放置架以及夹持件,在实验时,通过将盛有溶液的试管放回试管导口内,电机的输出端带动连接帽转动,从而使与连接块一体成型的连接轴做偏心转动,从而使导流板产生晃动,对试管内的溶液进行摇匀,提高实验精度在实验结束后,将试管倒着插在清洁柱上,启动一对第一气缸,一对第一气缸的活动端带动矩形框架下降,通过启动一对第二气缸,一对第二气缸的活动端相对设置,通过一对第二气缸的活动端对试管侧壁的夹持带动旋转,清洁柱内的水流对试管内部进行冲洗,同时试管在毛刷处旋转清洗,加强清洁能力。(The invention discloses a test tube rack for chemical experiments and a using method thereof, belonging to the technical field of teaching aids, the test tube rack for chemical experiments and the using method thereof comprise the following steps: the bottom plate, the guide plate, shake even device, rack and holder, when the experiment, in putting back the test tube guide through the test tube that will contain solution, the output of motor drives and connects the cap rotation, thereby make and be eccentric rotation with connecting block integrated into one piece's connecting axle, thereby make the guide plate produce and rock, it is even to shake the solution in the test tube, improve the experiment precision after the experiment, insert the test tube on clean post, start a pair of first cylinder, the expansion end of a pair of first cylinder drives rectangular frame and descends, through starting a pair of second cylinder, the expansion end of a pair of second cylinder sets up relatively, the movable end through a pair of second cylinder drives the rotation to the centre gripping of test tube lateral wall, rivers in the clean post are washed inside the test tube, the test tube is in brush department spin cleaning simultaneously, strengthen clean ability.)

1. A test tube rack for chemical experiments and a using method thereof are characterized by comprising the following steps:

the table comprises a bottom plate (1), wherein a sucker (2) which is adsorbed with a table top is arranged on the lower surface of the bottom plate (1);

the air conditioner comprises a guide plate (3), and a spring (4) is connected between the guide plate (3) and a bottom plate (1);

the shaking-up device (5), the shaking-up device (5) comprises a motor (501), and the motor (501) is fixedly installed on the bottom plate (1) through a bolt;

the storage rack (6) comprises a separation plate (601), the separation plate (601) is vertically installed on the guide plate (3), a top plate (602) is installed on the upper surface of the separation plate (601), a strip-shaped notch (6021) is formed in the top plate (602), a pulley assembly is arranged between every two adjacent separation plates (601), and a cleaning group and a storage group are connected to the pulley assembly in a sliding mode;

a clamp (9), the clamp (9) being formed on the top plate (602) above the cleaning group.

2. The test tube rack for chemical experiments according to claim 1, characterized in that: coaxial arrangement has connection cap (502) on the output of motor (501), install connecting seat (503) on connecting cap (502), install connecting block (504) through the bolt on connecting seat (503), connecting block (504), the one end of keeping away from connecting seat (503) on connecting block (504) is installed perpendicularly and is connected axle (505), coaxial cover is equipped with sleeve (506) on connecting axle (505), the one end integrated into one piece that connecting block (504) were kept away from in sleeve (506) is provided with connection pad (507), connection pad (507) are in the same place through bolt and guide plate (3) threaded mounting.

3. The test tube rack for chemical experiments according to claim 1, characterized in that: pulley component includes slide rail (603) of fixed mounting on division board (601) and sets up first spout (6011) and second spout (6013) on division board (601), equidistant division has mounting groove (6031) on slide rail (603), be provided with pulley (6032) in mounting groove (6031), slide rail (603) through round pin axle and both sides rotate to be connected, and is adjacent still install first stopper (6033) through the bolt on the opposite face of slide rail (603).

4. A test tube rack for chemical experiments according to claim 3, characterized in that: clean group is including first slide (604) of sliding connection between a pair of second spout (6013), install second stopper (6041) with first stopper (6033) looks adaptation on first slide (604), clean post (605) are installed to first slide (604) equidistance, the inside hollow structure that is of clean post (605), be provided with brush (606) on the surface of clean post (605) upper end, circulation hole (6042) have been seted up on first slide (604).

5. A test-tube rack for chemical experiments according to claim 4, characterized in that: the water-saving cleaning device is characterized in that a guide groove (301) is formed in a guide plate (3) below a cleaning group, a water inlet hose (7) is arranged in the guide groove (301), one end of the water inlet hose (7) is communicated with the inside of a cleaning column (605), the other end of the hose (7) is communicated with an external water source, a water outlet hose (8) is arranged at the bottom of the guide groove (301), one end of the water outlet hose (8) is communicated with the inside of the guide groove (301), and the other end of the water outlet hose (8) is communicated with an external water tank.

6. The test tube rack for chemical experiments according to claim 1, characterized in that: accomodate group including second slide (607) of sliding connection between a pair of first spout (6011), test tube guide mouth (6071) have been seted up to equidistance on second slide (607), and the below that is located second slide (607) is provided with layer board (608), layer board (608) are fixed between a pair of division board (601), it is provided with test tube base (6081) for test tube guide mouth (6071) on layer board (608).

7. A test-tube rack for chemical experiments according to claim 4, characterized in that: the clamping piece comprises a pair of first air cylinders (901) installed on a top plate (602), the movable ends of the first air cylinders (901) penetrate through the top plate (602), a rectangular frame (902) is connected between the penetrating ends, a pair of second air cylinders (903) are installed on the lower surface of the rectangular frame (902) along the two sides of the length direction, a fixing plate (904) is installed at the movable ends of the second air cylinders (903), and a sponge layer is arranged on one side, close to a cleaning column (605), of the fixing plate (904).

8. The test tube rack for chemical experiments according to claim 1, characterized in that: a visible window (6012) is formed in the partition plate (601), and glass is embedded in the visible window (6012) and the strip-shaped notch (6021).

9. A method of manufacturing a test tube rack for chemical experiments according to claim 8, comprising the steps of:

s1: a clean test tube is placed in a test tube guide opening (6071), the bottom of the test tube is supported by a test tube base (6081), and the test tube is convenient to take by pulling a second sliding plate (607);

s2: in the experiment, a test tube filled with solution is placed back into a test tube guide opening (6071), the output end of the motor (501) drives the connecting seat (503) to rotate through the connecting cap (502) by starting the motor (501), the rotating connecting seat (503) drives the connecting block (504) to do eccentric motion, so that the connecting shaft (505) drives the guide plate (3) to shake, and the solution in the test tube is shaken uniformly;

s3: place the test tube after the experiment on clean post (605), rivers in clean post (605) wash test tube inside, through starting a pair of second cylinder (903), the expansion end centre gripping test tube wall of a pair of second cylinder (903), and flexible the drive test tube that makes a round trip through the expansion end of a pair of second cylinder (903) rotates, makes the deposit in brush (606) clean test tube.

Technical Field

The invention belongs to the technical field of teaching aids, and particularly relates to a test tube rack for a chemical experiment and a using method thereof.

Background

At present, along with the constantly development of socioeconomic, people also attach more and more importance to education, teaching condition is also improving constantly, and the test-tube rack is the experiment assistive device commonly used for the experiment, and the test tube is placed to mainly used, observes certain experimental phenomenon, perhaps is used for drying the test tube after the washing, at the teaching in-process of chemistry, for the convenience of the better grasp chemistry knowledge of student ability, corresponding chemical experiment teaching can generally all be carried out, in chemical experiment teaching, the test tube is the structure of using most often.

The utility model discloses a utility model is CN 211706864U's utility model discloses a can be to test-tube rack for chemistry experiments that different length test tubes were placed, the on-line screen storage device comprises a base, the equal fixedly connected with stand in both sides at base top, the top of base is provided with the picture peg, the slot has been seted up at the top of picture peg, the recess that uses with the slot cooperation is seted up at the top of base, the equal fixedly connected with nest block in both sides of picture peg. Through the stand, the card hole, the fixed box, the screw rod, the spout, the slider, the swivel nut, the connecting rod, the sliding sleeve, the slide bar, the die-pin, lead to the groove, a spring, turn round the piece, the cooperation of kelly and sleeve piece is used, it is fixed to have solved current test-tube rack structure for chemistry experiments, can not carry out the problem of altitude mixture control according to the test tube of different length, this test-tube rack for chemistry experiments possesses height-adjustable's advantage, the user can adjust the height of test-tube rack according to the height of test tube, but the person of facilitating the use is to placing of different length test tubes, the practicality of test-tube rack for chemistry experiments has been improved.

However, in the prior art, the result of the secondary experiment is often inaccurate due to the incomplete cleaning of the interior of the test tube, and meanwhile, the procedures of placing and cleaning the test tube are separated, so that the efficiency is low, and the teaching progress is influenced.

Disclosure of Invention

The invention aims to provide a test tube rack for chemical experiments and a using method thereof, so as to solve at least one problem in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a test tube rack for chemical experiments and a using method thereof comprise the following steps: bottom plate, guide plate, shake even device, rack and holder.

Wherein, the bottom plate lower surface is installed and is used for adsorbing the sucking disc together with the desktop, and the sucking disc equidistance that sets up distributes at the bottom plate lower surface, plays the fixed action, prevents that the device from producing the displacement.

Wherein, be connected with the spring between guide plate and the bottom plate, the spring that sets up is four as preferred quantity, lies in respectively between four corners of bottom plate and guide plate, plays the effect of mutual restriction.

The shaking device comprises a motor, the motor is fixedly installed on the bottom plate through a bolt, and the arranged motor drives the guide plate to shake as a power source of the shaking device.

Wherein, the rack includes the division board, the division board is installed perpendicularly on the guide plate, division board upper surface installs the roof, it has the bar notch to open on the roof, play the observation effect, conveniently look over the quantity of test tube, can in time mend the vacancy, be provided with loose pulley assembly between the adjacent division board, loose pulley assembly goes up sliding connection has clean group and storage group, loose pulley assembly through setting up makes clean group and storage group slip push-and-pull, the test tube of conveniently taking, and accomplish through a rack and accomodate and clean two kinds of effects, the occupation size of device has been saved with traditional belt cleaning device and storage device relatively, the availability factor has also been improved simultaneously.

Wherein, the holder takes shape on the roof of clean group top, and the holder through the setting can drive the test tube through the friction and rotate, reaches the effect of further clearance.

Preferably, the output end of the motor is coaxially provided with a connecting cap, the connecting cap is provided with a connecting seat, the connecting seat is provided with a connecting block through a bolt, the connecting block is provided with a connecting shaft, one end of the connecting block, far away from the connecting seat, is vertically provided with the connecting shaft, the connecting shaft is coaxially sleeved with a sleeve, one end of the sleeve, far away from the connecting block, is integrally provided with a connecting disc, and the connecting disc is in threaded installation with the guide plate through the bolt.

Preferably, the pulley assembly comprises a slide rail fixedly mounted on the partition plate, and a first slide groove and a second slide groove which are formed in the partition plate, wherein mounting grooves are formed in the slide rail at equal intervals, pulleys are arranged in the mounting grooves, the pulleys are rotatably connected with the slide rails on two sides through pin shafts, and a first limiting block is further mounted on the opposite surface of each adjacent slide rail through a bolt.

Preferably, the cleaning assembly comprises a first sliding plate which is slidably connected between a pair of second sliding grooves, a second limiting block which is matched with the first limiting block is installed on the first sliding plate, cleaning columns are installed on the first sliding plate at equal intervals, the interior of each cleaning column is of a hollow structure, brushes are arranged on the outer surfaces of the upper ends of the cleaning columns, and circulation holes are formed in the first sliding plate.

Preferably, a diversion groove is formed in the diversion plate below the cleaning group, a water inlet hose is arranged in the diversion groove, one end of the water inlet hose is communicated with the inside of the cleaning column, the other end of the hose is communicated with an external water source, a water outlet hose is arranged at the bottom of the diversion groove, one end of the water outlet hose is communicated with the inside of the diversion groove, and the other end of the water outlet hose is communicated with an external water tank.

Preferably, the storage group comprises a second sliding plate which is slidably connected between the pair of first sliding grooves, test tube guide openings are formed in the second sliding plate at equal intervals, a supporting plate is arranged below the second sliding plate and fixed between the pair of partition plates, and a test tube base is arranged on the supporting plate and opposite to the test tube guide openings.

Preferably, the clamping member includes a pair of first cylinders mounted on the top plate, movable ends of the pair of first cylinders penetrate through the top plate, a rectangular frame is connected between the penetrating ends, a pair of second cylinders are mounted on two sides of the lower surface of the rectangular frame along the length direction, a fixing plate is mounted on the movable ends of the pair of second cylinders, and a sponge layer is arranged on one side of the fixing plate close to the cleaning column.

Preferably, the partition plate is provided with a visible window, and the visible window and the strip-shaped groove are embedded with glass.

As a preferable aspect of the present invention, a method for using the test tube rack for chemical experiments includes the following steps:

s1: a clean test tube is placed in the test tube guide port, the bottom of the test tube is supported by the test tube base, and the test tube is convenient to take by pulling the second sliding plate;

s2: in the experiment, a test tube filled with solution is placed back into the test tube guide port, the output end of the motor drives the connecting seat to rotate through the connecting cap by starting the motor, the rotating connecting seat drives the connecting block to do eccentric motion, so that the connecting shaft drives the guide plate to shake, and the solution in the test tube is shaken uniformly;

s3: the test tube after will testing is placed on clean post, and the rivers in the clean post are washed test tube inside, through starting a pair of second cylinder, the test tube wall is held to the expansion end centre gripping of a pair of second cylinder, and flexible the drive test tube that makes a round trip through the expansion end of a pair of second cylinder rotates, makes the deposit in the clean test tube of brush.

The invention has the beneficial effects that:

1. after the experiment is finished, the test tube is inserted on the cleaning column in an inverted mode, the pair of first air cylinders are started, the movable ends of the pair of first air cylinders drive the rectangular frame to descend, the movable ends of the pair of second air cylinders are oppositely arranged by starting the pair of second air cylinders, the movable ends of the pair of second air cylinders clamp the side wall of the test tube to drive the test tube to rotate, water flow in the cleaning column washes the interior of the test tube, and meanwhile the test tube is rotationally cleaned at the hairbrush, so that the cleaning capacity is enhanced.

2. According to the invention, the test tube filled with the solution is placed back into the test tube guide, the motor is started, the output end of the motor drives the connecting cap to rotate, the rotating connecting cap drives the connecting seat to rotate, and the connecting block is arranged on the connecting seat through the bolt, so that the connecting shaft integrally formed with the connecting block eccentrically rotates, the guide plate shakes, the solution in the test tube is shaken uniformly, and the experiment precision is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a shaking device of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the slide rail structure of the present invention;

FIG. 6 is a schematic side view of the present invention;

fig. 7 is a schematic view of the structure of the clamping member of the present invention.

In the figure: 1. a base plate; 2. a suction cup; 3. a baffle; 301. a diversion trench; 4. a spring; 5. shaking up the device; 501. a motor; 502. a connecting cap; 503. a connecting seat; 504. connecting blocks; 505. a connecting shaft; 506. a sleeve; 507. a connecting disc; 6. placing a rack; 601. a partition plate; 6011. a first chute; 6012. a visible window; 6013. a second chute; 602. a top plate; 6021. a strip-shaped notch; 603. a slide rail; 6031. mounting grooves; 6032. a pulley; 6033. a first stopper; 604. a first slide plate; 6041. a second limiting block; 6042. a flow-through hole; 605. cleaning the column; 606. a brush; 607. a second slide plate; 6071. a test tube guide port; 608. a support plate; 6081. a test tube base; 7. a water inlet hose; 8. a water outlet hose; 9. a clamping member; 901. a first cylinder; 902. a rectangular frame; 903. a second cylinder; 904. and (7) fixing the plate.

Detailed Description

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 those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-2, a test tube rack for chemical experiments and a method for using the same includes: bottom plate 1, guide plate 3, shake even device 5, rack 6 and holder 9.

Wherein, 1 lower surface mounting of bottom plate has and is used for adsorbing sucking disc 2 together with the desktop, and 2 equidistance distributions of sucking disc of setting play the fixed action at 1 lower surface of bottom plate, prevent that the device from producing the displacement.

Wherein, be connected with spring 4 between guide plate 3 and the bottom plate 1, the spring 4 that sets up is four as preferred quantity, is located respectively between four corners of bottom plate 1 and guide plate 3, plays the effect of mutual restriction.

Wherein, shake even device 5 and include motor 501, motor 501 passes through bolt fixed mounting on bottom plate 1, and the motor 501 of setting drives guide plate 3 and rocks as shaking even device 5's power supply.

Wherein, rack 6 includes division board 601, division board 601 is installed perpendicularly on guide plate 3, surface mounting has roof 602 on division board 601, it has bar notch 6021 to open on the roof 602, play the observation effect, conveniently look over the quantity of test tube, can in time fill in the vacancy, be provided with loose pulley assembly between the adjacent division board 601, loose pulley assembly goes up sliding connection has clean group and storage group, loose pulley assembly through setting up makes clean group and storage group slip push-and-pull, the test tube of conveniently taking, and accomplish through a rack 6 and accomodate and clean two kinds of effects, relative with traditional belt cleaning device and storage device not only saved the size that occupies of device, the availability factor has also been improved simultaneously.

Wherein, holder 9 takes shape on the roof 602 of clean group top, and holder 9 through the setting can drive the test tube through the friction and rotate, reaches the effect of further clearance.

Specifically, please refer to fig. 2, a connection cap 502 is coaxially installed on an output end of the motor 501, a connection seat 503 is installed on the connection cap 502, a connection block 504 is installed on the connection seat 503 through a bolt, the connection block 504, a connection shaft 505 is vertically installed on one end of the connection block 504 far away from the connection seat 503, a sleeve 506 is coaxially sleeved on the connection shaft 505, a connection disc 507 is integrally formed at one end of the sleeve 506 far away from the connection block 504, the connection disc 507 is in threaded installation with the guide plate 3 through a bolt, the motor 501 is started, the output end of the motor 501 drives the connection cap 502 to rotate, the connection seat 503 is driven to rotate by the rotating connection cap 502, because the connection block 504 is installed on the connection seat 503 through a bolt, thereby the connection shaft 505 integrally formed with the connection block 504 is eccentrically rotated, and the guide plate 3 is shaken.

Specifically, please refer to fig. 3-5, the pulley assembly includes a slide rail 603 fixedly mounted on the partition plate 601, and a first slide groove 6011 and a second slide groove 6013 provided on the partition plate 601, the slide rail 603 located in the cleaning group is located below the partition plate 601, the slide rail 603 located in the storage group is located above the partition plate 601, the first slide groove 6011 is located above the slide rail 603, the second slide groove 6013 is located below the slide rail 603, a mounting groove 6031 is equidistantly formed on the slide rail 603, a pulley 6032 is provided in the mounting groove 6031, the pulley 6032 is rotatably connected to the slide rails 603 on both sides by a pin shaft, the pulley 6032 makes the first slide plate 604 and the second slide plate pull 607 smoother, and a first stopper 6033 is further installed on an opposite surface of the adjacent slide rail 603 by a bolt, thereby limiting the position.

Specifically, please refer to fig. 4, the cleaning assembly includes a first sliding plate 604 slidably connected between a pair of second sliding grooves 6013, a second limiting block 6041 adapted to the first limiting block 6033 is installed on the first sliding plate 604, when the first limiting block 6033 abuts against the second limiting block 6041, the maximum distance of the stroke of the first sliding plate 604 is the maximum distance, a cleaning column 605 is installed on the first sliding plate 604 at an equal distance, the cleaning column 605 is in a chimney shape with a small top and a large bottom, so that the test tube can be inserted upside down conveniently, the inside of the cleaning column 605 is a hollow structure for circulating water flow, a brush 606 is arranged on the outer surface of the upper end of the cleaning column 605 for brushing off the sediment adhered on the inner wall of the test tube, and a flow hole 6042 is formed on the first sliding plate 604 for discharging the flushed water in time.

Specifically, referring to fig. 4 and 6, a diversion trench 301 is formed in the diversion plate 3 below the cleaning group, a water inlet hose 7 is arranged in the diversion trench 301, a plurality of groups of diversion hoses are arranged on the water inlet hose 7, one end of the water inlet hose 7 is communicated with the inside of the cleaning column 605, the other end of the hose 7 is communicated with an external water source, a water outlet hose 8 is arranged at the bottom of the diversion trench 301, one end of the water outlet hose 8 is communicated with the inside of the diversion trench 301, the other end of the water outlet hose 8 is communicated with an external water tank, and the washed water can be left in the water tank for secondary utilization.

Specifically, please refer to fig. 3, the storage group includes second slide 607 of sliding connection between a pair of first spout 6011, test tube guide 6071 has been seted up equidistantly on second slide 607, the below that is located second slide 607 is provided with layer board 608, layer board 608 is fixed between a pair of division board 601, it is provided with test tube base 6081 to lead mouth 6071 for the test tube on the layer board 608, put into clean test tube from test tube guide 6071, carry out the bearing through test tube base 6081, reach fixed effect, can be provided with the sponge layer in test tube base 6081, play the guard action bottom the test tube.

Specifically, please refer to fig. 7, the clamping member includes a pair of first cylinders 901 installed on the top plate 602, the movable ends of the pair of first cylinders 901 penetrate through the top plate 602, and a rectangular frame 902 is connected between the penetrating ends, a pair of second cylinders 903 are installed on the lower surface of the rectangular frame 902 along both sides of the length direction, a fixing plate 904 is installed on the movable ends of the pair of second cylinders 903, a sponge layer is disposed on one side of the fixing plate 904 close to the cleaning column 605, when cleaning, the movable ends of the pair of first cylinders 901 drive the rectangular frame 902 to descend by activating the pair of first cylinders 901, the movable ends of the pair of second cylinders 903 are oppositely disposed by activating the pair of second cylinders 903, and the movable ends of the pair of second cylinders 903 drive the rotation by clamping the movable ends of the pair of second cylinders 903 to rotate and clean the test tube at the brush 606.

Specifically, referring to fig. 1, a visible window 6012 is formed on the partition plate 601, and glass is embedded in both the visible window 6012 and the strip notch 6021, and the glass has the functions of blocking dust and preventing water from splashing.

Specifically, the use method of the test tube rack for the chemical experiment comprises the following steps:

s1: a clean test tube is placed in a test tube guide port 6071, the bottom of the test tube is supported by a test tube base 6081, and the test tube is convenient to take by pulling a second sliding plate 607;

s2: in the experiment, a test tube containing solution is placed back into the test tube guide port 6071, the output end of the motor 501 drives the connecting seat 503 to rotate through the connecting cap 502 by starting the motor 501, the rotating connecting seat 503 drives the connecting block 504 to do eccentric motion, so that the connecting shaft 505 drives the guide plate 3 to shake, and the solution in the test tube is shaken uniformly;

s3: place the test tube after the experiment on clean post 605, rivers in the clean post 605 wash test tube inside, through starting a pair of second cylinder 903, the test tube wall is held to the expansion end centre gripping of a pair of second cylinder 903, and flexible the drive test tube that makes a round trip through the expansion end of a pair of second cylinder 903 rotates, makes the deposit in the clean test tube of brush 606.

The working principle is as follows:

before the experiment, a clean test tube is placed between the test tube guide port 6071 and the test tube base 6081, and the test tube is conveniently taken out by drawing the second sliding plate 607;

during the experiment, the test tube containing the solution is placed back into the test tube guide port 6071, the motor 501 is started, the output end of the motor 501 drives the connecting cap 502 to rotate, the rotating connecting cap 502 drives the connecting seat 503 to rotate, and the connecting seat 503 is provided with the connecting block 504 through a bolt, so that the connecting shaft 505 integrally formed with the connecting block 504 rotates eccentrically, the guide plate 3 rocks, and the solution in the test tube is shaken uniformly;

after the experiment is finished, the test tube is inserted on the cleaning column 605 in an inverted mode, the pair of first cylinders 901 is started, the movable ends of the pair of first cylinders 901 drive the rectangular frame 902 to descend, the movable ends of the pair of second cylinders 903 are oppositely arranged by starting the pair of second cylinders 903, the movable ends of the pair of second cylinders 903 are clamped on the side wall of the test tube to drive the test tube to rotate, water flow in the cleaning column 605 washes the interior of the test tube, meanwhile, the test tube is rotationally cleaned at the brush 606, and the cleaning capacity is enhanced;

after the cleaning, the water flow is retained to the diversion trench 301 through the circulation hole 6042 and retained to the water tank through the water outlet hose 8, so that the secondary utilization is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.