CN218692323U

CN218692323U - Automatic cleaning device for volumetric flask

Info

Publication number: CN218692323U
Application number: CN202223040497.9U
Authority: CN
Inventors: 罗功才; 王祝彬
Original assignee: Npgs Guangdong Biotechnology Co ltd
Current assignee: Npgs Guangdong Biotechnology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-24
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the technical field of experimental supplies, in particular to an automatic cleaning device for volumetric flasks, which comprises a base, a plurality of fixed cylinders and a cleaning frame, wherein the fixed cylinders are uniformly arranged on one surface of the base and are driven to rotate by a driving mechanism; a fixing cavity is concavely arranged at one end of the fixing cylinder, which is far away from the base, a fixing ring disc is arranged in the fixing cavity in a sliding manner, a fixing hole is formed in the circle center of the fixing ring disc, so that a bottleneck of a volumetric flask can penetrate through the fixing hole, and the fixing ring disc is abutted against the fixing cylinder through a locking piece, so that the fixing ring disc can be abutted against the volumetric flask; the cleaning frame is provided with bristles for brushing the inner wall of the joint of the bottle body of the volumetric flask and the bottle neck. The utility model discloses a volumetric flask self-cleaning device can effectively wash the bottleneck and the body junction inner wall of volumetric flask in batches, improves the cleaning efficiency of volumetric flask.

Description

Automatic cleaning device for volumetric flask

Technical Field

The utility model belongs to the technical field of the experimental articles for use technique and specifically relates to a volumetric flask self-cleaning device.

Background

The volumetric flask is the accurate instrument that the volume concentration's of certain material volume that is accurate for preparing solution usefulness, and the volumetric flask is thin neck pear-shaped flat structure, has ground mouthful glass stopper, has the marking on the neck, and when the marking of the liquid concave liquid level and capacity bottle neck is tangent under the temperature that indicates, the volume of solution is equal with the volume of marking on the bottle just. The volumetric flask is marked with: temperature, volume, scale lines.

Because the volumetric flask is the flat structure of thin neck pear shape, and general cleaning brush is the even long brush of volume mostly, therefore the bottleneck and the body junction inner wall of volumetric flask are difficult to wash, though there is the cleaning brush that is used for the volumetric flask at present, but need artifical manual cleaning to each volumetric flask, like patent document (CN 201521057512.8 volumetric flask cleaning brush), it includes handle, brush-holder stud and locates the brush hair on the brush-holder stud, the brush-holder stud includes main brush-holder stud, first brush-holder stud and the second divides the brush-holder stud, first, second divide brush-holder stud one end all to articulate with main brush-holder stud tip, is equipped with the spring between first, two branch brush-holder studs. When the spring passes through the thin bottle neck of the volumetric flask and enters the lower section with a larger opening, the spring extends, and the first brush rod and the second brush rod which are connected with the spring are reversely opened and close to the bottle wall of the volumetric flask; the volumetric flask can be cleaned by rotating the handle. This patent document can make 360 rotations of brush-holder stud through rotatory handle, can be with volumetric flask sanitization, because this patent document is through manual cleaning's mode, when the volumetric flask use amount is more, the intensity of labour who washs the volumetric flask is big, and efficiency is lower moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving one of the technical problem who mentions in the above-mentioned background art at least, the utility model provides a volumetric flask self-cleaning device can effectively wash the bottleneck and the body junction inner wall of volumetric flask in batches, improves the cleaning efficiency of volumetric flask.

In order to realize the purpose, the utility model discloses a technical scheme be:

an automatic cleaning device for volumetric flasks comprises a base, a fixed cylinder and a cleaning frame, wherein the base is provided with a cavity, the fixed cylinder is provided with a plurality of fixed cylinders, the fixed cylinders are uniformly arranged on one surface of the base, a connecting shaft is fixedly arranged at the bottom of the fixed cylinder, the connecting shaft penetrates through the cavity and is rotatably connected with the base, and the connecting shaft is driven to rotate by a driving mechanism; a fixing cavity is concavely arranged at one end of the fixing cylinder, which is far away from the base, a fixing ring disc is slidably arranged in the fixing cavity, a fixing hole is arranged at the center of the fixing ring disc, so that a bottleneck of a volumetric flask can penetrate through the fixing hole, and the fixing ring disc is abutted against the fixing cylinder through a locking piece, so that the fixing ring disc can be abutted against the volumetric flask;

the base is equipped with the dead lever, the quantity of clean frame with the quantity of a fixed section of thick bamboo is the same, just clean frame one end with the connection can be dismantled to the dead lever, and the other end is equipped with two bracing pieces, the bracing piece with clean frame rotates to be connected, and two connect through torque spring between the bracing piece, the bracing piece reaches clean frame is close to the one end of bracing piece all is equipped with the brush hair under torque spring's the spring action, two the bracing piece is kept away from clean frame's one end alternate segregation, so that the brush hair can be scrubbed the body of volumetric flask and the junction inner wall of bottleneck.

Furthermore, the two opposite sides of the fixed cylinder are respectively provided with a sliding groove in a concave manner, the sliding grooves are arranged along the axial direction, the locking piece comprises a locking screw and a locking piece, the locking screw penetrates through the sliding grooves and is in sliding connection with the sliding grooves, one end of the locking screw is connected with the fixed ring disc, and the locking piece is sleeved at one end, far away from the fixed ring disc, of the locking screw in a threaded manner.

Furthermore, the two opposite sides of the fixed ring disc are respectively provided with a sliding sheet, one side of the sliding sheet is in sliding connection with the inner wall of the fixed cylinder and is fixedly connected with the locking piece, and the other end of the sliding sheet is fixedly connected with the fixed ring disc, so that the locking sheet and the sliding sheet can clamp the fixed cylinder.

Furthermore, the fixing hole is provided with an anti-skid rubber ring, and the anti-skid rubber ring is fixedly connected with the fixing ring disc.

Furthermore, the bottom of the fixed cavity is provided with an anti-skid rubber mat which is fixedly connected with the fixed cylinder.

Furthermore, connecting pieces with the same number as the cleaning frames are arranged at one end, far away from the base, of the fixed rod, the side wall of each connecting piece is fixedly connected with the outer wall of the fixed rod, and each connecting piece is provided with a through mounting groove; the clean frame is kept away from the one end of bracing piece is fixed with the connecting rod, the connecting rod can slide the embedding the mounting groove, the connecting piece is equipped with the handle screw, the handle screw with connecting piece threaded connection can penetrate the mounting groove, so that the handle screw can with the connecting rod butt.

Further, the connecting rod is polygonal structure for the cross section, the connecting rod is equallyd divide all around and is equipped with anti-skidding insection respectively.

Further, actuating mechanism includes driving motor, first gear and second gear, driving motor is fixed to be set up in the cavity, driving motor's drive shaft with first gear transmission is connected, the second gear is located in the cavity, the second gear with connecting axle fixed connection and with first gear engagement, so that first gear can drive the second gear rotates.

The utility model has the advantages that:

1. through setting up the volumetric flask in fixed intracavity back, establish the fixed ring dish cover outside the volumetric flask through the fixed orifices to with the fixed ring dish slip embedding fixed intracavity, under the effect of locking piece, the fixed ring dish can with the volumetric flask butt, make the volumetric flask can be fixed in fixed intracavity. After being combined, the two support rods are embedded into the bottleneck of the volumetric flask, and when the support rods enter the flask body of the volumetric flask, under the elastic action of the torsion spring, the ends of the two support rods, which are far away from the cleaning frame, are separated from each other, so that the bristles are abutted against the inner wall of the joint of the flask body and the bottleneck of the volumetric flask. Because the connection can be dismantled with the dead lever to clean frame one end for the bracing piece gets into the body of volumetric flask in the back, will clean the frame and install to the dead lever. Under actuating mechanism's effect, solid fixed cylinder rotates to make the brush hair rotate with solid fixed cylinder relatively, realized that the brush hair effectively washs the bottleneck and the body junction inner wall of volumetric flask, moreover the utility model discloses be provided with a plurality of solid fixed cylinders, can wash a plurality of volumetric flasks, effectively improved the cleaning efficiency of volumetric flask, simultaneously the utility model discloses need not the manual work and scrub, reduced staff's intensity of labour.

2. When the volumetric flask was fixed when fixed intracavity, antiskid rubber ring and antiskid cushion respectively with the volumetric flask butt, avoid the volumetric flask and the fixed condition that skids to appear, ensure that the volumetric flask can be by fixed section of thick bamboo drive, antiskid rubber ring and antiskid cushion can protect the volumetric flask moreover, avoid the volumetric flask to be crushed by fixed section of thick bamboo and fixed ring dish.

Drawings

Fig. 1 is a schematic structural view of an automatic cleaning device for volumetric flasks according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of a fixing cylinder of the automatic volumetric flask cleaning device according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of a cleaning frame of an automatic cleaning device for volumetric flasks according to a preferred embodiment of the present invention.

Fig. 4 is a schematic view of a supporting rod structure of the automatic volumetric flask cleaning device according to a preferred embodiment of the present invention.

Fig. 5 is a schematic view of a connecting member structure of the automatic cleaning device for volumetric flasks according to a preferred embodiment of the present invention.

In the figure, 1-base, 101-cavity, 11-connecting shaft, 2-fixed cylinder, 201-fixed cavity, 202-sliding groove, 21-fixed ring disc, 211-fixed hole, 221-locking screw rod, 222-locking sheet, 23-sliding sheet, 24-anti-skid rubber ring, 25-anti-skid rubber pad, 3-cleaning frame, 301-supporting rod, 302-connecting rod, 303-rotating shaft, 31-torsion spring, 32-brush hair, 4-fixed rod, 41-connecting piece, 411-mounting groove, 412-handle screw, 42-anti-skid insection, 5-driving motor, 51-first gear and 52-second gear.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, the automatic volumetric flask cleaning device according to a preferred embodiment of the present invention includes a base 1, a fixing cylinder 2 and a cleaning frame 3.

Base 1 is equipped with cavity 101, and a fixed section of thick bamboo 2 is equipped with a plurality of, and a fixed section of thick bamboo 2 of this embodiment is equipped with four. The fixed cylinder 2 is evenly arranged on one side of the base 1, the connecting shaft 11 is fixedly arranged at the bottom of the fixed cylinder 2, the connecting shaft 11 penetrates through the cavity 101 and is connected with the base 1 in a rotating mode, and the connecting shaft 11 is driven to rotate through the driving mechanism. The fixed cover of connecting axle 11 is equipped with the bearing, and bearing outer wall and base 1 fixed connection to realize that connecting axle 11 rotates with base 1 and is connected.

As shown in fig. 1 and 2, the one end of the base 1 is concavely provided with a fixed cavity 201 by the fixed cylinder 2, a fixed ring disc 21 is slidably arranged in the fixed cavity 201, a fixed hole 211 is arranged at the center of the circle of the fixed ring disc 21, so that the bottleneck of the volumetric flask can be penetrated through the fixed hole 211, and the fixed ring disc 21 is abutted against the fixed cylinder 2 by the locking piece, so that the fixed ring disc 21 can be abutted against the volumetric flask. The aperture of this embodiment fixing hole 211 is greater than the bottleneck diameter of volumetric flask and is less than the body diameter of volumetric flask, and the internal diameter of fixed chamber 201 is greater than the body diameter of volumetric flask to make the volumetric flask of different specifications can be fixed to retaining ring dish 21.

In this embodiment, the two opposite sides of the fixed cylinder 2 are respectively provided with the sliding grooves 202 in a concave manner, the sliding grooves 202 are arranged along the axial direction, the locking member includes a locking screw 221 and a locking piece 222, the locking screw 221 is inserted into the sliding grooves 202 and slidably connected with the sliding grooves 202, one end of the locking screw 221 is connected with the fixed ring plate 21, and the locking piece 222 is threadedly sleeved on one end of the locking screw 221 away from the fixed ring plate 21.

The two opposite sides of the fixed ring disc 21 are respectively provided with a sliding piece 23, one side of the sliding piece 23 is connected with the inner wall of the fixed cylinder 2 in a sliding way and is fixedly connected with the locking piece, and the other end of the sliding piece 23 is fixedly connected with the fixed ring disc 21, so that the locking piece 222 and the sliding piece 23 can clamp the fixed cylinder 2.

By tightening the locking piece 222, the locking piece 222 and the sliding piece 23 can clamp the fixed cylinder 2, so that the fixed ring disc 21 is fixed in the fixed cavity 201, and the fixed ring disc 21 can fix the volumetric flask in the fixed cylinder 2. Meanwhile, under the action of the sliding piece 23, the clamping stability of the locking piece 222 can be increased, and the fixed ring disc 21 is prevented from sliding accidentally.

As shown in fig. 1 and 3, the base 1 is provided with fixing rods 4, the number of the cleaning frames 3 is the same as that of the fixing cylinders 2, one end of each cleaning frame 3 is detachably connected with the fixing rod 4, the other end of each cleaning frame is provided with two supporting rods 301, the supporting rods 301 are rotatably connected with the cleaning frames 3, the two supporting rods 301 are connected through a torsion spring 31, bristles 32 are arranged at the ends of the supporting rods 301 and the cleaning frames 3 close to the supporting rods 301, and under the elastic force of the torsion springs 31, the ends of the two supporting rods 301 far away from the cleaning frames 3 are separated from each other, so that the bristles 32 can scrub the inner wall of the joint of the body and the neck of the volumetric flask. At the same time, the bristles 32 of the cleaning holder 3 can clean the neck of the measuring flask. The brush hair 32 of two bracing pieces 301 sets up back to back, the both sides of cleaning frame 3 are equipped with brush hair 32 respectively, brush hair 32 plastic material, brush hair 32 has certain length and can bending deformation, make brush hair 32 can with volumetric flask inner wall butt, thereby scrub the crooked inner wall of volumetric flask, consequently this embodiment is used for the body of volumetric flask and the junction inner wall of bottleneck, the bottleneck of volumetric flask, the body inside wall of volumetric flask washs, can carry out conventional washing to the body bottom of volumetric flask, if wash through the clear water.

As shown in fig. 4, the cleaning frame 3 is provided with a connecting port, two support rods 301 are arranged in the connecting port, the support rods 301 are provided with through rotating holes, rotating holes are provided with rotating shafts 303, the rotating shafts 303 penetrate through the rotating holes and are rotatably connected with the support rods 301, and two ends of each rotating shaft 303 are rotatably connected with the cleaning frame 3, so that the support rods 301 and the cleaning frame 3 are rotatably connected.

Through setting up the volumetric flask back in fixed chamber 201, establish outside the volumetric flask with fixed ring dish 21 cover through fixed orifices 211 to with fixed ring dish 21 slip embedding fixed chamber 201 in, because the body structure of volumetric flask pyriform, the internal perisporium of fixed orifices 211 can with the volumetric flask butt of different specifications, through screwing up locking piece 22, fixed ring dish 21 is fixed in current position, so that fixed ring dish 21 keeps the butt state with the volumetric flask of different specifications. The two support rods 301 are combined and then embedded into the bottleneck of the volumetric flask, when the support rods 301 enter the flask body of the volumetric flask, under the elastic action of the torsion spring 31, the ends of the two support rods 301 far away from the cleaning frame 3 are separated from each other, so that the bristles 32 are abutted against the inner wall of the joint of the flask body and the bottleneck of the volumetric flask. Because 3 one end of cleaning frame is dismantled with dead lever 4 and is connected for bracing piece 301 gets into the body of volumetric flask in the back, will clean frame 3 and install to dead lever 4 on. Under actuating mechanism's effect, solid fixed cylinder 2 rotates to make brush hair 32 and solid fixed cylinder 2 carry out relative rotation, realized that brush hair 32 effectively washs the bottleneck and the body junction inner wall of volumetric flask, this embodiment is provided with a plurality of solid fixed cylinders 2 moreover, can wash a plurality of volumetric flasks, has effectively improved the cleaning efficiency of volumetric flask, simultaneously the utility model discloses need not the manual work and scrub, reduced staff's intensity of labour.

As shown in fig. 1 and 5, the end of the fixing rod 4 far away from the base 1 is provided with the same number of connecting pieces 41 as the cleaning frames 3, the side wall of the connecting piece 41 is fixedly connected with the outer wall of the fixing rod 4, and the connecting piece 41 is provided with a through mounting groove 411. The one end of clean frame 3 keeping away from bracing piece 301 is fixed with connecting rod 302, and connecting rod 302 can slide and imbed mounting groove 411, and connecting piece 41 is equipped with handle screw 412, and handle screw 412 and connecting piece 41 threaded connection can penetrate mounting groove 411 to make handle screw 412 and connecting rod 302 butt.

The connecting rod 302 and the bracing piece 301 of this embodiment are parallel to each other, and through the position of adjusting the connecting rod 302 embedding to mounting groove 411, can make bracing piece 301 and the junction of cleaning frame 3 be located the body of volumetric flask and the junction of bottleneck to can make brush hair 32 scrub the body of volumetric flask and the junction inner wall of bottleneck effectively. In this embodiment, be provided with the clean frame 3 of different specifications, the bracing piece 301 length of the clean frame 3 of different specifications is inequality to the hypotenuse length that makes the length of bracing piece 301 and different specification volumetric flasks is the same, thereby makes the brush hair 32 of bracing piece 301 can wash the body inner wall of different specification volumetric flasks.

In this embodiment, through the volumetric flask of the fixed different specifications of retaining ring dish 21 to and set up the clean frame 3 of different specifications, volumetric flask that can the different specifications of adaptation, it is clean to fix the volumetric flask of different specifications, has increased the volumetric flask self-cleaning device's of this embodiment practicality.

The cross section of the connecting rod 302 is a polygonal structure, and the periphery of the connecting rod 302 is provided with anti-skidding insections 42 respectively. The polygonal structure of connecting rod 302 cross section can prevent that connecting rod 302 from rotating at will, ensures that connecting rod 302 and volumetric flask can rotate relatively. Under the effect of the anti-slip insections 42, the friction force between the handle screw 412 and the connecting rod 302 is increased, so that the cleaning frame 3 can be fixed at the current position.

As shown in fig. 1, the fixing hole 211 is provided with an anti-slip rubber ring 24, and the anti-slip rubber ring 24 is fixedly connected with the fixing ring disc 21. The bottom of the fixing cavity 201 is provided with an anti-skid rubber pad 25, and the anti-skid rubber pad 25 is fixedly connected with the fixing cylinder 2. When the volumetric flask is fixed in fixed chamber 201, antiskid rubber ring 24 and antiskid cushion 25 respectively with the volumetric flask butt, avoid the volumetric flask and the condition that skids appears in fixed section of thick bamboo 2, ensure that the volumetric flask can be driven by fixed section of thick bamboo 2, antiskid rubber ring 24 and antiskid cushion 25 can protect the volumetric flask moreover, avoid the volumetric flask to be crushed by fixed section of thick bamboo 2 and fixed ring dish 21.

As shown in fig. 1, the driving mechanism includes a driving motor 5, a first gear 51 and a second gear 52, the driving motor 5 is fixedly disposed in the cavity 101, a driving shaft of the driving motor 5 is in transmission connection with the first gear 51, the second gear 52 is located in the cavity 101, and the second gear 52 is fixedly connected with the connecting shaft 11 and is meshed with the first gear 51, so that the first gear 51 can drive the second gear 52 to rotate. In this embodiment, the cross section of the base 1 is a circular structure, the first gear 51 is located at the center of the circle of the base 1, and the four second gears 52 are arranged around the first gear 51 in a surrounding manner, so that the second gears 52 are engaged with the first gear 51, and the driving motor 5 drives all the fixed cylinders 2 to rotate.

In this embodiment, the outer wall of the base 1 can be provided with the touch screen to adjust the start and stop, the rotating speed and the rotating direction of the driving motor 5, meanwhile, the touch screen can adjust the cleaning duration, and different cleaning modes can be set through the touch screen, so that different cleaning rotating speeds and cleaning duration can be selected according to the stain degree of the volumetric flask. In order to fix the unexpected injury that causes the human body when section of thick bamboo 2 rotates, the base 1 of this embodiment can set up the protective housing, and the protective housing cover is established on base 1 and is connected with base 1 through the hasp lock.

When using the volumetric flask self-cleaning device of this embodiment, after the volumetric flask pours into the washing liquid, set up the volumetric flask in fixed chamber 201, then establish fixed ring dish 21 cover outside the volumetric flask through fixed orifices 211, and with fixed ring dish 21 slip embedding fixed chamber 201 in, screw up locking plate 222, make locking plate 222 and slider 23 can the centre gripping fixed cylinder 2, make fixed ring dish 21 fix in fixed chamber 201, simultaneously anti-skidding rubber ring 24 and anti-skidding cushion 25 respectively with the volumetric flask butt, in order to fix the volumetric flask in fixed chamber 201.

The two support rods 301 are combined and then embedded into the bottleneck of the volumetric flask, when the support rods 301 enter the flask body of the volumetric flask, under the elastic action of the torsion spring 31, the ends of the two support rods 301 far away from the cleaning frame 3 are separated from each other, so that the bristles 32 are abutted against the inner wall of the joint of the flask body and the bottleneck of the volumetric flask.

The driving motor 5 is started, the first gear 51 can drive the second gear 52 to rotate, the fixed cylinder 2 rotates along with the first gear, and when the volumetric flask rotates, the brush bristles 32 clean the inner wall of the joint of the body of the volumetric flask and the bottleneck, the bottleneck of the volumetric flask and the inner side wall of the body of the volumetric flask.

Claims

1. The automatic cleaning device for the volumetric flask is characterized by comprising a base (1), a plurality of fixed cylinders (2) and a cleaning frame (3), wherein the base (1) is provided with a cavity (101), the fixed cylinders (2) are provided with a plurality of fixed cylinders, the fixed cylinders (2) are uniformly arranged on one surface of the base (1), the bottom of each fixed cylinder (2) is fixedly provided with a connecting shaft (11), the connecting shafts (11) penetrate through the cavity (101) and are rotatably connected with the base (1), and the connecting shafts (11) are driven to rotate by a driving mechanism; a fixing cavity (201) is concavely arranged at one end, far away from the base (1), of the fixing barrel (2), a fixing ring disc (21) is arranged in the fixing cavity (201) in a sliding mode, a fixing hole (211) is formed in the circle center of the fixing ring disc (21) so that a bottleneck of a volumetric flask can penetrate through the fixing hole (211), and the fixing ring disc (21) is abutted against the fixing barrel (2) through a locking piece so that the fixing ring disc (21) can be abutted against the volumetric flask;

base (1) is equipped with dead lever (4), the quantity of clean frame (3) with the quantity of a fixed section of thick bamboo (2) is the same, just clean frame (3) one end with the connection can be dismantled in dead lever (4), and the other end is equipped with two bracing pieces (301), bracing piece (301) with clean frame (3) rotate to be connected, and two connect through torque spring (31) between bracing piece (301), bracing piece (301) reach clean frame (3) are close to the one end of bracing piece (301) all is equipped with brush hair (32) under the spring action of torque spring (31), two support piece (301) are kept away from the one end alternate segregation of clean frame (3), so that brush hair (32) can be scrubbed the body of volumetric flask and the junction inner wall of bottleneck.

2. An automatic cleaning device for volumetric flasks as claimed in claim 1, characterized in that: the fixed cylinder (2) relative both sides are equipped with sliding tray (202) in a concave way respectively, sliding tray (202) set up along axial direction, the locking piece includes locking screw (221) and locking plate (222), locking screw (221) wear to locate sliding tray (202) and with sliding tray (202) sliding connection, locking screw (221) one end with retaining ring dish (21) are connected, locking plate (222) thread bush is located locking screw (221) is kept away from the one end of retaining ring dish (21).

3. An automatic cleaning device for volumetric flasks as claimed in claim 2, characterized in that: the relative both sides of retaining ring dish (21) are equipped with slider (23) respectively, slider (23) one side with a fixed section of thick bamboo (2) inner wall sliding connection and with locking piece fixed connection, the slider (23) other end with retaining ring dish (21) fixed connection, so that locking plate (222) and slider (23) can the centre gripping a fixed section of thick bamboo (2).

4. The automatic volumetric flask cleaning device according to claim 1, characterized in that: the fixing hole (211) is provided with an anti-skid rubber ring (24), and the anti-skid rubber ring (24) is fixedly connected with the fixing ring disc (21).

5. An automatic cleaning device for volumetric flasks as claimed in claim 4, characterized in that: the bottom of the fixed cavity (201) is provided with an anti-slip rubber pad (25), and the anti-slip rubber pad (25) is fixedly connected with the fixed cylinder (2).

6. An automatic cleaning device for volumetric flasks as claimed in claim 1, characterized in that: one end of the fixed rod (4) far away from the base (1) is provided with connecting pieces (41) with the same number as the cleaning frames (3), the side wall of each connecting piece (41) is fixedly connected with the outer wall of the fixed rod (4), and each connecting piece (41) is provided with a through mounting groove (411); keep away from in clean frame (3) the one end of bracing piece (301) is fixed with connecting rod (302), connecting rod (302) can slide the embedding mounting groove (411), connecting piece (41) are equipped with handle screw (412), handle screw (412) with connecting piece (41) threaded connection can penetrate mounting groove (411), so that handle screw (412) can with connecting rod (302) butt.

7. An automatic cleaning device for volumetric flasks as claimed in claim 6, characterized in that: the cross section of the connecting rod (302) is of a polygonal structure, and anti-skidding insections (42) are respectively arranged on the periphery of the connecting rod (302).

8. The automatic volumetric flask cleaning device according to claim 1, characterized in that: the driving mechanism comprises a driving motor (5), a first gear (51) and a second gear (52), the driving motor (5) is fixedly arranged in the cavity (101), a driving shaft of the driving motor (5) is in transmission connection with the first gear (51), the second gear (52) is located in the cavity (101), and the second gear (52) is fixedly connected with the connecting shaft (11) and meshed with the first gear (51) so that the first gear (51) can drive the second gear (52) to rotate.