CN111822465A

CN111822465A - Quick cleaning device of flask for biochemical experiments

Info

Publication number: CN111822465A
Application number: CN202010525400.XA
Authority: CN
Inventors: 杨惠良; 何学利
Original assignee: Dezhou University
Current assignee: Dezhou University
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-10-27

Abstract

The invention relates to the technical field of biochemical experiments, and discloses a flask quick cleaning device for biochemical experiments, which comprises a frame body, a cleaning mechanism, an extension mechanism and a scrubbing mechanism, wherein the frame body is an L-shaped body with a hollow inner part and a hollow bottom surface, the cleaning mechanism and the extension mechanism are fixedly arranged in the frame body, the scrubbing mechanism is fixedly arranged on the right side of the frame body, the distance between two cleaning rings can be automatically expanded in the process of friction cleaning through the arrangement of the extension mechanism, so that when the cleaning rings are far away from a flask pipe orifice and reach the inner part, the two cleaning rings can be continuously expanded to the maximum expansion state, the inner wall with the maximum size in the deepest part of the flask can be subjected to friction cleaning, a rubber pipe can play a role in supporting the cleaning rings after being inflated, through the arrangement of the scrubbing mechanism, cleaning liquid can be filled into the flask through simple operation and is combined with the step of friction cleaning, efficiency can be improved, the effect of clearance is increased in the work that also can cooperate friction clearance.

Description

Quick cleaning device of flask for biochemical experiments

Technical Field

The invention relates to the technical field of biochemical experiments, in particular to a flask quick cleaning device for biochemical experiments.

Background

The flask is a glass vessel with a neck used in a laboratory, is used for containing liquid substances, is called as a flask because the flask can resist certain heat, is generally divided into a flat bottom and a round bottom and generally has the appearance of a round narrow neck, so the diameter of a pipe orifice of the flask is generally far smaller than that of the bottom, the height of the pipe orifice is also higher, and the existing cleaning device is difficult to penetrate through the pipe orifice and then closely contact with the inside of the flask, so that the cleaning effect is poor. Therefore, a rapid cleaning device for flasks used in biochemical experiments is needed to solve the above problems.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects in the prior art, the invention provides a quick cleaning device for a flask for biochemical experiments to solve the problems.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quick cleaning device of flask for biochemical experiments, includes framework, clearance mechanism, extension mechanism and scrubbing mechanism, and the framework is the equal hollow L type body in inside and bottom surface, and clearance mechanism and extension mechanism fixed mounting are in the inside of framework, and scrubbing mechanism fixed mounting is on the right side of framework.

Clearance mechanism is including rotating the motor, the carousel, connecting rod A, connecting rod B, sleeve A, rubber tube and clearance ring, it installs the top surface inner wall at the framework to rotate motor fixed mounting, the transmission shaft of rotation motor and the top surface center fixed connection of carousel, the bottom surface center and the connecting rod A fixed connection of carousel, connecting rod A's bottom surface and connecting rod B fixed connection, sleeve A is the cylinder of top surface fretwork and inner wall diameter is the twice of connecting rod B outer wall diameter, sleeve A's bottom surface inner wall and connecting rod B bottom surface fixed connection, the both sides outer wall and the rubber tube fixed connection of sleeve A bottom, the rubber tube be hollow cylinder and outer wall and be the corrugate, sleeve A's one end is kept away from respectively to two rubber tubes and a clearance ring fixed connection, the shape of clearance ring is the semicircle ring body, and the concave surface of two clearance rings corresponds each other, the outer wall of clearance ring is equipped with the brush layer.

Preferably, the extension mechanism comprises cleaning cloth, a screw hole plate, screws, rotating bearings, connecting plates, a cylinder A, a cylinder B, a piston, a reset spring A, a connecting rod C, a semi-cylindrical bulge, a reset spring B, a circular truncated cone plate A and a connecting pipe A, the center of the top surface of the frame body is fixedly connected with the screw hole plate, two screw holes are formed in the side surface of the screw hole plate and are in threaded connection with the two screws, the outer walls of the two screws, far away from the screw hole plate, are fixedly connected with the inner wall of one rotating bearing, slide holes are formed in the positions, corresponding to the two rotating bearings, of the top surface of the frame body, the bottom surfaces of the two rotating bearings are fixedly connected with one connecting plate, the connecting plate penetrates through the slide holes and is located inside the frame body, one ends, far away from the rotating bearings, of the two connecting plates are fixedly connected with the cylinder A, the corresponding, the corresponding one side of two drum B all is the fretwork state and cup joints with a piston, the one side that two pistons deviate from all with a reset spring A fixed connection, the corresponding one side of two pistons all with a connecting rod C fixed connection, two connecting rod C all correspond with the carousel position, the one end that two connecting rod C kept away from the piston is seted up slottedly and inslot fixed mounting has the gyro wheel, the protruding fixed connection of carousel outer wall equidistant and four semicylinders, round platform hole A has all been seted up to the top surface and the bottom surface that two drum A kept away from one end each other, round platform hole A runs through the outer wall of drum A and drum B, the great one side of round platform hole A diameter is down, the equal fixed mounting in position that two drum A bottom surfaces correspond round platform hole A has the air pipe connector, connecting pipe A's quantity is two and respectively movable mounting on two air pipe connectors, two connecting pipe A keep away from air pipe connector's one end respectively with two.

Preferably, the inner wall of the circular truncated cone hole A is fixedly connected with the bottom end of the return spring B, the top end of the return spring B is fixedly connected with the circular truncated cone plate A, and the circular truncated cone plate A is attached to the inner wall of the circular truncated cone hole A.

Preferably, the cleaning cloth is rectangular, and two ends of the cleaning cloth are respectively and fixedly connected to the bottom surfaces of the two cleaning rings.

Preferably, the scrubbing mechanism comprises a sleeve B, a rubber cylinder, an air ventilation column, a reset spring C, a circular platform plate B, a connecting pipe B and a liquid cylinder, the outer walls of a connecting rod A and a sleeve A are all sleeved with the inner wall of the sleeve B, the right side face of the frame body is fixedly connected with the air ventilation column, the bottom face of the air ventilation column is fixedly connected with the rubber cylinder, the bottom face of the rubber cylinder is fixedly connected with the air ventilation column, a circular platform hole B is formed in the center of the air ventilation column, the diameter of the circular platform hole B faces upwards, the top face orifice of the upper circular platform hole B and the bottom face orifice of the lower circular platform hole B are both fixedly connected with and communicated with the connecting pipe B, one end, far away from the air ventilation column, of the upper connecting pipe B is fixedly connected with and communicated with the sleeve B, one end, far away from the air ventilation column, of the lower connecting pipe B is fixedly connected with.

Preferably, the bottom surface of the circular truncated cone hole B is fixedly connected with the top end of the return spring C, the bottom end of the return spring C is fixedly connected with the circular truncated cone plate B, and the circular truncated cone plate B is attached to the inner wall of the circular truncated cone hole B.

Preferably, the outer wall of the sleeve A is paved with subdivision holes.

(III) advantageous effects

Compared with the prior art, the invention provides a flask quick cleaning device for biochemical experiments, which has the following beneficial effects:

1. this quick cleaning device of flask for biochemical experiments, setting through extension mechanism, can be at the interval of two clearance rings of the in-process automatic expansion of friction clearance, thereby when the clearance ring is deep into to breaking away from the flask mouth of pipe and reacing inside, two clearance rings can constantly expand to the biggest expansion state, thereby can carry out the friction clearance to the maximum dimension inner wall of the deepest of flask, and the higher state of holding strength behind the rubber tube aerifys, can play the effect that supports the clearance ring, avoid the clearance ring to receive flask inner wall reaction force and shrink and lead to the problem that the clearance effect is not good.

2. This quick cleaning device of flask for biochemical experiments, setting through clearance mechanism, utilize to rotate the motor and drive the effect that the clearance ring high-speed rotation reached friction clearance, the clearance effect under the high-speed rotation is fabulous, through inserting the clearance ring inside the flask, thereby to the degree of depth is darker and the flask inner wall that is difficult to touch clears up, and at the in-process of clearance ring clearance, utilize the interval of two clearance rings of the automatic expansion of the effect of centrifugal force, thereby be adapted to the use of the flask mouth of pipe of various not unidimensional.

3. This quick cleaning device of flask for biochemical experiments, through the setting of scrubbing mechanism, can fill the flask with the washing liquid through simple operation inside, with the step inter combination of friction clearance, can raise the efficiency, also can cooperate the work increase effect of clearance of friction clearance.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic structural diagram of a connecting rod B according to the present invention;

FIG. 4 is a schematic cross-sectional view of a cylinder A of the present invention;

FIG. 5 is a schematic structural view of a turntable according to the present invention;

FIG. 6 is a schematic cross-sectional view of the vent column of the present invention.

In the figure: 1 frame body, 2 cleaning mechanisms, 21 rotating motors, 22 rotating discs, 23 connecting rods A, 24 connecting rods B, 25 sleeves A, 26 rubber tubes, 27 cleaning rings, 3 extending mechanisms, 31 cleaning cloth, 32 screw hole plates, 33 screws, 34 rotating bearings, 35 connecting plates, 36 sleeves A, 37 sleeves B, 38 pistons, 39 return springs A, 310 connecting rods C, 311 semi-cylindrical protrusions, 312 return springs B, 313 circular table plates A, 314 connecting pipes A, 4 brushing mechanisms, 41 sleeves B, 42 rubber cylinders, 43 ventilation columns, 44 return springs C, 45 circular table plates B, 46 connecting pipes B, 47 liquid cylinders, 5 subdivision holes, 6 sliding holes, 7 circular table holes A and 8 circular table holes B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a flask quick cleaning device for biochemical experiments comprises a frame 1, a cleaning mechanism 2, an extension mechanism 3 and a brushing mechanism 4, wherein the frame 1 is an L-shaped body with a hollow inner part and a hollow bottom surface, the cleaning mechanism 2 and the extension mechanism 3 are fixedly arranged in the frame 1, and the brushing mechanism 4 is fixedly arranged on the right side of the frame 1.

The cleaning mechanism 2 comprises a rotating motor 21, a rotating disc 22, a connecting rod A23, a connecting rod B24, a sleeve A25, a rubber tube 26 and a cleaning ring 27, the rotating motor 21 is fixedly arranged on the inner wall of the top surface of the frame body 1, a transmission shaft of the rotating motor 21 is fixedly connected with the center of the top surface of the rotating disc 22, the center of the bottom surface of the rotating disc 22 is fixedly connected with the connecting rod A23, the bottom surface of the connecting rod A23 is fixedly connected with the connecting rod B24, the sleeve A25 is a cylinder with a hollow top surface, the diameter of the inner wall of the sleeve A25 is twice of the diameter of the outer wall of the connecting rod B24, the inner wall of the bottom surface of the sleeve A25 is fixedly connected with the bottom surface of the connecting rod B24, the outer walls of the two sides of the bottom end of the sleeve A25 are fixedly connected with the rubber tube 26, the rubber tube 26 is hollow cylinder, the outer wall of the rubber tube 26 is corrugated, the outer wall of the cleaning ring 27 is provided with a brush layer, firstly, the rotating motor 21 is started to rotate, then the frame body 1 is held to enable the cleaning ring 27 to be inserted into the inner wall of the flask, the transmission shaft of the rotating motor 21 rotates to drive the turntable 22 to rotate, the turntable 22 drives the rubber tube 26 to rotate through the connecting rod A23 and the connecting rod B24, the sleeve A25 drives the cleaning ring 27 to rotate through the rubber tube 26, so that the brush layer on the outer wall of the cleaning ring 27 rotates at a high speed to carry out friction cleaning on the inner wall of the flask, in the rotating process of the cleaning ring 27, the rubber tube 26 generates deformation and extension through the driving action of centrifugal force, when the flask with larger mouth diameter is cleaned, the two cleaning rings 27 can be automatically separated from each other, thereby the distance between the cleaning rings 27 is expanded to increase the cleaning range, through the arrangement of the cleaning mechanism 2, the rotating motor 21 is used for driving the cleaning rings 27 to rotate at a high speed to achieve the effect of friction, the cleaning effect under the high-speed rotation is fabulous, through inserting cleaning ring 27 inside the flask to the degree of depth is dark and the flask inner wall that is difficult to touch is cleared up, and at the in-process of cleaning ring 27 clearance, utilizes the automatic interval that expands two cleaning ring 27 of effect of centrifugal force, thereby is adapted to the flask mouth of pipe of various not unidimensional and uses.

The extension mechanism 3 comprises cleaning cloth 31, a screw hole plate 32, screws 33, rotary bearings 34, connecting plates 35, a cylinder A36, a cylinder B37, a piston 38, a return spring A39, a connecting rod C310, a semi-cylindrical protrusion 311, a return spring B312, a circular truncated cone plate A313 and a connecting pipe A314, the center of the top surface of the frame body 1 is fixedly connected with the screw hole plate 32, two threaded holes are formed in the side surface of the screw hole plate 32 and are in threaded connection with the two screws 33, the outer walls of the two screws 33 far away from the screw hole plate 32 are fixedly connected with the inner wall of one rotary bearing 34, slide holes 6 are formed in the positions, corresponding to the two rotary bearings 34, of the top surface of the frame body 1, the bottom surfaces of the two rotary bearings 34 are fixedly connected with one connecting plate 35, the connecting plate 35 penetrates through the slide holes 6 and is positioned in the frame body 1, one ends, far away from the rotary bearings 34, of the two connecting plates 35 are fixedly connected with, the inner walls of the two cylinders A36 are sleeved with a cylinder B37, one corresponding surface of each of the two cylinders B37 is hollow and sleeved with a piston 38, one opposite surface of each of the two pistons 38 is fixedly connected with a return spring A39, one corresponding surface of each of the two pistons 38 is fixedly connected with a connecting rod C310, the two connecting rods C310 correspond to the position of the turntable 22, one ends of the two connecting rods C310, far away from the pistons 38, are provided with grooves, and rollers are fixedly installed in the grooves, the rollers are in the prior art and have the function of rotation, the outer wall of the turntable 22 is fixedly connected with four semi-cylindrical protrusions 311 at equal intervals, the top surface and the bottom surface of one end, far away from each other, of the two cylinders A36 are provided with circular table holes A7, the circular table holes A7 penetrate through the outer walls of the cylinders A36 and the cylinders B37, the side with the larger diameter of the circular table holes A7 faces downwards, the inner wall of the circular table holes A7 is fixedly connected with the bottom ends of, the circular truncated cone plate A313 is attached to the inner wall of the circular truncated cone hole A7, the positions of the bottom surfaces of the two cylinders A36 corresponding to the circular truncated cone hole A7 are fixedly provided with air pipe joints, the number of the connecting pipes A314 is two, the connecting pipes A314 are respectively and movably arranged on the two air pipe joints, after the existing air pipe joints are connected with air pipes, the air pipe joints have the capacity of enabling the air pipes to rotate, which is the prior known technology and is not repeated herein, one ends of the two connecting pipes A314 far away from the air pipe joints are respectively and fixedly connected and communicated with the two rubber pipes 26, the cylinders A36 are driven to move towards the direction close to the turntable 22 through rotating the screw 33, so that the connecting rods C310 are attached to the turntable 22, the semi-cylindrical bulges 311 are in continuous contact with the connecting rods C310 when the turntable 22 rotates, the connecting rods C310 are pushed by the curved surfaces of the semi-cylindrical bulges 311, so that the pistons 38 are driven to slide towards the direction far away from, the return spring A39 rebounds to drive the piston 38 to slide in a direction approaching to the turntable 22 in the cylinder B37, so that the piston 38 slides in a reciprocating manner in the cylinder B37, when the piston 38 slides in a direction departing from the turntable 22 in the cylinder B37, the air in the cylinder B37 is squeezed, the squeezed air pushes the upper circular platform plate A313 to close the upper circular platform hole A7 and pushes the lower circular platform plate A313 to spread the lower circular platform hole A7, so that the air in the cylinder B37 is transmitted into the rubber tube 26 through the connecting pipe A314, when the piston 38 slides in a direction approaching to the turntable 22 in the cylinder B37, negative pressure is generated in the cylinder B37, the negative pressure pulls the lower circular platform plate A313 to close the lower circular platform hole A7 and pulls the upper circular platform plate A313 to spread the upper circular platform hole A7, so that the cylinder B37 can draw air from the outside, and the rubber tube 26 can be continuously inflated with the reciprocating movement of the piston 38, after the rubber tube 26 is continuously inflated, the ripple on the outer wall is gradually leveled, the rubber tube 26 is gradually extended and opened, so that when the cleaning rings 27 go deep to be separated from the mouth of the flask to reach the inside, the two cleaning rings 27 can be continuously expanded to the maximum expansion state, and the rubber tube 26 is inflated to keep a high-strength state, so that the maximum-size inner wall in the deepest part of the flask can be cleaned in a friction manner, after the cleaning rings 27 are expanded to be contacted with the inner wall of the flask, the connecting rod C310 is separated from the turntable 22 by reversely rotating the screw 33 to stop the inflation, after the cleaning is finished, the rubber tube 26 is deflated by pulling and inserting one end of the connecting pipe A314 on the cylinder B37, the rubber tube 26 can enable the two cleaning rings 27 to be close to each other through the elastic resilience of the rubber tube 26, through the arrangement of the extension mechanism 3, the distance between the two cleaning rings 27 can be automatically expanded in the friction cleaning process, so that when the cleaning rings 27 go deep to be separated, two clearance rings 27 can constantly expand to the biggest expansion state to can carry out the friction clearance to the maximum dimension inner wall of flask deepest, and rubber tube 26 aerifys the higher state of back holding strength, can play the effect that supports clearance ring 27, avoid clearance ring 27 to receive flask inner wall reaction force and shrink and lead to the not good problem of clearance effect.

The shape of cleaning cloth 31 is the cuboid, and the both ends of cleaning cloth 31 are fixed connection respectively in the bottom surface of two clearance rings 27, and cleaning cloth 31 expandes along with the extension of clearance ring 27, and rotates along with clearance ring 27, comes the friction clearance to the bottom surface of flask inner wall.

The brushing mechanism 4 comprises a sleeve B41, a rubber cylinder 42, a ventilation column 43, a return spring C44, a circular table plate B45, a connecting pipe B46 and a liquid cylinder 47, wherein the outer walls of a connecting rod A23 and a sleeve A25 are sleeved with the inner wall of a sleeve B41, the right side surface of the frame body 1 is fixedly connected with the ventilation column 43, the bottom surface of the ventilation column 43 is fixedly connected with the rubber cylinder 42, the bottom surface of the rubber cylinder 42 is fixedly connected with the ventilation column 43, the center of the ventilation column 43 is provided with a circular table hole B8, the side with a large diameter of the circular table hole B8 faces upwards, the bottom surface of the circular table hole B8 is fixedly connected with the top end of the return spring C44, the bottom end of the return spring C44 is fixedly connected with a circular table plate B45, the circular table plate B45 is attached to the inner wall of the circular table hole B8, the top surface orifice of the upper circular table hole B8 and the bottom orifice of the lower circular table hole B6866 are fixedly connected and communicated with a connecting pipe B46, one end of the, one end of a lower connecting pipe B46, which is far away from an air through column 43, is fixedly connected and communicated with a liquid cylinder 47, the liquid cylinder 47 is a cylinder with a hollow top surface, and cleaning liquid is filled in the cylinder, subdivision holes 5 are paved on the outer wall of a sleeve A25, after the rubber cylinder 42 is firstly squeezed, air in the rubber cylinder 42 pushes a lower round table plate B45 to close a round table hole B8 and push an upper round table plate B45 to unfold a round table hole B8, the cleaning liquid in the rubber cylinder 42 is transmitted into the sleeve A25 through a connecting pipe B46 and a sleeve B41, and then enters the flask through the subdivision holes 5, the cleaning liquid is filled in the flask to assist in enhancing the cleaning effect, the subdivision holes 5 can enable extruded water to be fine, so that the gravity action can be reduced to obtain a farther diffusion range after extrusion, then the rubber cylinder 42 is loosened, the rubber cylinder 42 rebounds through self elasticity and generates negative pressure, the upper round table plate B45 is pulled by the negative pressure to close a round table hole B8 and pull a lower round table plate B8 to unfold a round table plate B45, then the negative pressure through connecting pipe B46 extract the washing liquid in the liquid section of thick bamboo 47 to rubber tube 42 inside, through the setting of scrubbing mechanism 4, can fill the flask inside with the washing liquid through simple operation, with the step intercoordination of friction clearance, can raise the efficiency, also can cooperate the work of friction clearance to increase the effect of clearance.

When using, first step, at first, start rotation motor 21 and rotate, then take framework 1 to make clearance ring 27 insert the flask inner wall, the transmission shaft that rotates motor 21 rotates and drives carousel 22 and rotate, carousel 22 drives rubber tube 26 through connecting rod A23 and connecting rod B24 and rotates, sleeve A25 drives clearance ring 27 through rubber tube 26 and rotates, make the brush layer high speed of clearance ring 27 outer wall rotate and rub the clearance to the inside pipe wall of flask, and at clearance ring 27 pivoted in-process, make rubber tube 26 produce deformation and extension through centrifugal force's drive effect, can make two clearance rings 27 keep away from each other voluntarily when clearing up the great flask of mouth diameter, thereby the interval of expansion clearance ring 27 increases the clearance scope.

Secondly, the screw 33 is rotated to drive the cylinder A36 to move towards the direction close to the turntable 22, so that the connecting rod C310 is attached to the turntable 22, the semi-cylindrical protrusion 311 is continuously contacted with the connecting rod C310 when the turntable 22 rotates, the connecting rod C310 is pushed by the curved surface of the semi-cylindrical protrusion 311, so that the piston 38 is driven to slide in the direction away from the turntable 22 in the cylinder B37, when the connecting rod C310 is separated from the contact with the semi-cylindrical protrusion 311, the return spring A39 rebounds to drive the piston 38 to slide in the direction close to the turntable 22 in the cylinder B37, so that the piston 38 slides in the cylinder B37 in a reciprocating manner, when the piston 38 slides in the direction away from the turntable 22 in the cylinder B37, the air in the cylinder B37 is squeezed, the squeezed air in the cylinder B37 pushes the upper circular platform plate A313 to close the upper circular platform hole A7 and pushes the lower circular platform plate A313 to expand the lower circular platform hole A7, so that the air in the cylinder B37 is transmitted to the rubber tube 26 through the, when the piston 38 slides in the cylinder B37 in a direction approaching the turntable 22, negative pressure is generated in the cylinder B37, the negative pressure pulls the lower circular platform plate a313 to close the lower circular platform hole a7 and pulls the upper circular platform plate a313 to expand the upper circular platform hole a7, so that the cylinder B37 can draw air from the outside and enter, the rubber tube 26 is continuously inflated along with the reciprocating motion of the piston 38, the corrugations of the outer wall are gradually leveled after the rubber tube 26 is continuously inflated, the rubber tube 26 is gradually extended, so that when the cleaning rings 27 are far away from the mouth of the flask and reach the inside, the two cleaning rings 27 can be continuously expanded to a maximum expansion state, the rubber tube 26 is kept in a state with higher strength after being inflated, the maximum-size inner wall at the deepest depth of the flask can be cleaned by friction, and after the cleaning rings 27 are expanded to be in contact with the inner wall of the flask, the screw 33 is reversely rotated to separate the connecting rod C310 from the turntable 22, so that the inflation can be stopped, after the cleaning is finished, the rubber tube 26 is deflated by pulling and inserting one end of the connecting tube A314 on the cylinder B37, and the rubber tube 26 can make the two cleaning rings 27 close to each other through self elastic resilience.

Third, after the rubber tube 42 is squeezed, air in the rubber tube 42 pushes the lower round table plate B45 to close the round table hole B8 and pushes the upper round table plate B45 to unfold the round table hole B8, cleaning liquid in the rubber tube 42 is transmitted into the sleeve A25 through the connecting tube B46 and the sleeve B41 and enters the flask through the subdivision holes 5, the cleaning liquid is filled in the flask to assist in enhancing the cleaning effect, the subdivision holes 5 enable the extruded water to be in a fine water bead shape, so that after extrusion, gravity can be reduced to obtain a farther diffusion range, then the rubber tube 42 is loosened, the rubber tube 42 rebounds through self elasticity and generates negative pressure inside, the upper round table plate B45 is pulled by the negative pressure to close the round table hole B8 and the lower round table plate B45 is pulled to unfold the round table hole B8, and then the cleaning liquid in the liquid tube 47 is extracted into the rubber tube 42 through the connecting tube B46 by the negative pressure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick cleaning device of flask for biochemical experiments, includes framework (1), clearance mechanism (2), extension mechanism (3) and scrubbing mechanism (4), and framework (1) is the equal hollow L type body in inside and bottom surface, and clearance mechanism (2) and extension mechanism (3) fixed mounting are in the inside of framework (1), and scrubbing mechanism (4) fixed mounting is on the right side of framework (1), its characterized in that: the cleaning mechanism (2) comprises a rotating motor (21), a turntable (22), a connecting rod A (23), a connecting rod B (24), a sleeve A (25), a rubber tube (26) and a cleaning ring (27), wherein the rotating motor (21) is fixedly arranged on the inner wall of the top surface of the frame body (1), a transmission shaft of the rotating motor (21) is fixedly connected with the center of the top surface of the turntable (22), the center of the bottom surface of the turntable (22) is fixedly connected with the connecting rod A (23), the bottom surface of the connecting rod A (23) is fixedly connected with the connecting rod B (24), the sleeve A (25) is a cylinder with a hollow top surface, the diameter of the inner wall of the sleeve A (25) is twice of the diameter of the outer wall of the connecting rod B (24), the inner wall of the bottom surface of the sleeve A (25) is fixedly connected with the bottom surface of the connecting rod B (24), the outer walls of the two sides of the bottom end of the sleeve A, one end of each of the two rubber tubes (26) far away from the sleeve A (25) is fixedly connected with one cleaning ring (27), the cleaning rings (27) are semicircular, concave surfaces of the two cleaning rings (27) correspond to each other, and a brush layer is arranged on the outer wall of each cleaning ring (27).

2. The device for rapidly cleaning the flask for biochemical experiments according to claim 1, wherein: the extension mechanism (3) comprises cleaning cloth (31), a screw hole plate (32), screws (33), rotating bearings (34), a connecting plate (35), a cylinder A (36), a cylinder B (37), a piston (38), a return spring A (39), a connecting rod C (310), a semi-cylindrical protrusion (311), a return spring B (312), a round table plate A (313) and a connecting pipe A (314), wherein the center of the top surface of the frame body (1) is fixedly connected with the screw hole plate (32), two threaded holes are formed in the side surface of the screw hole plate (32) and are in threaded connection with the two screws (33), the outer walls of the two screws (33) far away from the screw hole plate (32) are fixedly connected with the inner wall of one rotating bearing (34), slide holes (6) are formed in positions of the top surface of the frame body (1) corresponding to the two rotating bearings (34), the bottom surfaces of the two rotating bearings (34) are fixedly connected with the connecting plate (35, the connecting plate (35) penetrates through the sliding hole (6) and then is positioned inside the frame body (1), one ends of the two connecting plates (35) far away from the rotating bearing (34) are fixedly connected with a cylinder A (36), one corresponding surfaces of the two cylinders A (36) are in a hollow state, the inner walls of the two cylinders A (36) are respectively sleeved with a cylinder B (37), one corresponding surfaces of the two cylinders B (37) are in a hollow state and are sleeved with a piston (38), one surfaces of the two pistons (38) far away from the piston A (39) are respectively fixedly connected with a reset spring A (39), one corresponding surfaces of the two pistons (38) are respectively fixedly connected with a connecting rod C (310), the two connecting rods C (310) are respectively corresponding to the position of the turntable (22), one ends of the two connecting rods C (310) far away from the piston (38) are provided with grooves, rollers are fixedly arranged in the grooves, the outer wall of the turntable (22) is fixedly connected with four semi-cylindrical bulges (311), the top surface and the bottom surface of keeping away from one end each other for two drum A (36) have all seted up round platform hole A (7), the outer wall of drum A (36) and drum B (37) is run through in round platform hole A (7), the great one side of round platform hole A (7) diameter is down, the equal fixed mounting in position that two drum A (36) bottom surfaces correspond round platform hole A (7) has the air pipe connector, the quantity of connecting pipe A (314) is two and respectively movable mounting on two air pipe connectors, the one end that air pipe connector was kept away from in two connecting pipe A (314) respectively with two rubber tube (26) fixed connection and intercommunication.

3. The device for rapidly cleaning the flask for biochemical experiments according to claim 2, wherein: the inner wall of the circular truncated cone hole A (7) is fixedly connected with the bottom end of the return spring B (312), the top end of the return spring B (312) is fixedly connected with the circular truncated cone plate A (313), and the circular truncated cone plate A (313) is attached to the inner wall of the circular truncated cone hole A (7).

4. The device for rapidly cleaning the flask for biochemical experiments according to claim 2, wherein: the cleaning cloth (31) is rectangular, and two ends of the cleaning cloth (31) are respectively and fixedly connected to the bottom surfaces of the two cleaning rings (27).

5. The device for rapidly cleaning the flask for biochemical experiments according to claim 1, wherein: the brushing mechanism (4) comprises a sleeve B (41), a rubber cylinder (42), an air through column (43), a reset spring C (44), a circular table plate B (45), a connecting pipe B (46) and a liquid cylinder (47), wherein the outer walls of a connecting rod A (23) and a sleeve A (25) are sleeved with the inner wall of the sleeve B (41), the right side surface of the frame body (1) is fixedly connected with the air through column (43), the bottom surface of the air through column (43) is fixedly connected with the rubber cylinder (42), the bottom surface of the rubber cylinder (42) is fixedly connected with the air through column (43), a circular table hole B (8) is formed in the center of the air through column (43), the surface with the large diameter of the circular table hole B (8) faces upwards, the top surface orifice of the upper circular table hole B (8) and the bottom surface orifice of the lower circular table hole B (8) are fixedly connected and communicated with the connecting pipe B (46), one end, far away from the air through column (43), of the upper connecting pipe B (46) is fixedly connected and communicated with the sleeve B, one end, far away from the ventilation column (43), of the lower connecting pipe B (46) is fixedly connected and communicated with the liquid cylinder (47), and the liquid cylinder (47) is a cylinder with a hollow top surface and is filled with cleaning liquid.

6. A flask quick cleaning device for biochemical experiments according to claim 5, characterized in that: the bottom surface of the circular truncated cone hole B (8) is fixedly connected with the top end of the return spring C (44), the bottom end of the return spring C (44) is fixedly connected with the circular truncated cone plate B (45), and the circular truncated cone plate B (45) is attached to the inner wall of the circular truncated cone hole B (8).

7. The device for rapidly cleaning the flask for biochemical experiments according to claim 1, wherein: subdivision holes (5) are laid on the outer wall of the sleeve A (25).