CN112404077B

CN112404077B - Glassware cleaning device for experiments

Info

Publication number: CN112404077B
Application number: CN202011338694.1A
Authority: CN
Inventors: 王艳; 谭小红; 石震
Original assignee: Hubei University for Nationalities
Current assignee: Hubei University for Nationalities
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-01-28
Anticipated expiration: 2040-11-25
Also published as: CN112404077A

Abstract

The invention provides a glassware belt cleaning device for experiments, which comprises: the cleaning brush device comprises a base, a fixed frame arranged on the base and a cleaning brush device arranged on the fixed frame; the cleaning brush device includes: the fixing seat is arranged on the fixing frame; the driving part is arranged in the fixed seat and used for providing power; one end of the fixed shaft rod extends into the fixed seat, and the other end of the fixed shaft rod is connected with a liquid suction conical head; the movable sleeve rod is sleeved on the fixed shaft rod, one end of the movable sleeve rod is rotatably connected with the fixed seat, and the other end of the movable sleeve rod is sleeved with the cleaning brush component; the driving part can drive the movable loop bar to rotate; the fixed seat is connected with a liquid discharge pipe and a liquid inlet pipe; a liquid discharge channel is arranged in the fixed shaft rod and is respectively communicated with a liquid discharge pipe and a liquid suction conical head; the movable sleeve rod and the fixed shaft rod are combined to form a liquid inlet channel; the liquid inlet channel is communicated with the liquid inlet pipe. The device can realize the self-cleaning to glassware, when improving the cleaning efficiency, reduces the washing liquid quantity.

Description

Glassware cleaning device for experiments

Technical Field

The invention relates to the technical field of laboratory cleaning equipment, in particular to a glassware cleaning device for an experiment.

Background

In laboratories, such as chemical laboratories, a large number of glassware articles are used in the laboratory process, which after use, require thorough cleaning before they can be reused.

The cleaning tools often used in laboratories are various types of cleaning brushes. The cleaning method mainly comprises the following steps: firstly, brushing glassware by using a cleaning brush; secondly, soaking the scrubbed glassware in cleaning fluid or ultrasonically cleaning the glassware; thirdly, washing with high-pressure pure water; and fourthly, carrying out air drying treatment or drying treatment on the cleaned glassware.

In the process of brushing glassware with a cleaning brush, the glassware is usually soaked in cleaning liquid, and the glassware is cleaned under flowing water flow, but the cleaning liquid used in the cleaning mode is large in consumption, and water resource waste is easily caused. And the cleaning efficiency of manual scrubbing is low, liquid residues used in further experiments are easy to remain in glassware, and the accuracy and the detection precision of experiment results are further influenced.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide an experimental glassware washing device, in which a driving part drives a movable sleeve rod to rotate on a fixed shaft rod, so as to automatically wash glassware, and washing liquid is stored in a washing pipeline and ejected along with the rotation of a washing brush assembly, thereby improving washing efficiency and reducing the consumption of the washing liquid; the liquid remaining in the glassware gets into the flowing back passageway through imbibition conical head in the cleaning process to by the fluid-discharge tube discharge, avoid remaining liquid residue to influence the accuracy and the detection precision of experimental result.

In order to achieve the above object, the technical solution of the present invention is as follows.

An experimental glassware cleaning apparatus which includes: the cleaning brush device comprises a base, a fixed frame arranged on the base and a cleaning brush device arranged on the fixed frame;

the cleaning brush device includes:

the fixing seat is arranged on the fixing frame;

the driving part is arranged in the fixed seat and used for providing power;

one end of the fixed shaft rod extends into the fixed seat, and the other end of the fixed shaft rod is connected with a liquid suction conical head for absorbing residual liquid;

the movable sleeve rod is sleeved on the fixed shaft rod, one end of the movable sleeve rod is rotatably connected with the fixed seat, and the other end of the movable sleeve rod is sleeved with a cleaning brush component; the driving component can drive the movable sleeve rod to rotate;

the fixed seat is connected with a liquid discharge pipe and a liquid inlet pipe; a liquid discharge channel is arranged in the fixed shaft rod, and a liquid discharge port of the liquid discharge channel is communicated with the liquid discharge pipe; the liquid inlet of the liquid drainage channel is communicated with the liquid suction conical head;

the movable sleeve rod and the fixed shaft rod are combined to form a liquid inlet channel; the liquid inlet channel is communicated with the liquid inlet pipe; the cleaning brush assembly is provided with a plurality of liquid outlet holes, and each liquid outlet hole is communicated with the liquid inlet channel.

Furthermore, a liquid inlet buffer cavity is arranged on one side, close to the movable loop bar, in the fixed seat, and the liquid inlet pipe and the liquid inlet channel are both communicated with the liquid inlet buffer cavity; and the liquid inlet channel is connected with the liquid inlet buffer cavity in a dynamic sealing manner.

Further, the driving part is a motor, a driving gear is connected to an output shaft of the motor, a rotating extension part is arranged at one end of the movable sleeve rod, a driven gear ring is arranged on the rotating extension part, and the driving gear is arranged on the driven gear ring and meshed with the driven gear ring.

Furthermore, a plurality of first oblique clamping teeth are arranged on the outer wall of one end, close to the cleaning brush assembly, of the movable loop bar, and a clamping groove is formed between every two adjacent first oblique clamping teeth;

a plurality of second oblique clamping teeth are arranged on the inner wall of the cleaning brush assembly, and each second oblique clamping tooth is arranged in a corresponding clamping groove;

the extending direction of each first oblique clamping tooth is opposite to the rotating direction of the movable sleeve rod.

Furthermore, a first through hole and a second through hole are alternately arranged in the clamping grooves respectively, and the size of the first through hole is larger than that of the second through hole;

a plurality of third through holes are formed in the inner wall of the cleaning brush assembly, and each third through hole extends into the corresponding clamping groove; each third through hole is communicated with the corresponding first through hole or the corresponding second through hole, and the first through holes and the second through holes are closed alternately.

Further, the cleaning brush subassembly includes:

the adjusting sleeve rod is sleeved on the movable sleeve rod; a plurality of slots are formed in the outer wall of the adjusting sleeve rod;

and the cleaning brushes are detachably arranged in the corresponding slots.

Further, each of the washing brushes includes: the inserting block is detachably arranged in the corresponding slot;

the insertion block is sequentially provided with a flexible scraper and brush hair along the rotation direction of the cleaning brush component.

Furthermore, one end of the liquid suction conical head is rotatably connected with the fixed shaft rod, a first gear is arranged on the outer wall of one end of the liquid suction conical head, an incomplete gear is arranged on the inner wall of the other end of the movable sleeve rod, a rotating clearance cavity is formed between the other end of the movable sleeve rod and the liquid suction conical head, a second gear is arranged in the rotating clearance cavity, and the second gear is respectively meshed with the incomplete gear and the first gear;

the liquid absorption conical head is filled with liquid absorption cotton, and the other end of the liquid absorption conical head is provided with a plurality of liquid absorption holes.

Further, a cavity is formed in the base, a first cavity and a second cavity are formed in the cavity through a partition plate in a separating mode, the liquid inlet pipe is communicated with the first cavity, and the liquid outlet pipe is communicated with the second cavity; the liquid inlet pipe and the liquid outlet pipe are both connected with a circulating water pump;

the base is provided with a cleaning tank for placing glassware to be cleaned;

the side edge of the cleaning tank is provided with an inverted conical flow guide part;

and a plurality of flow guide holes are formed in the side wall of the bottom of the cleaning tank, and each flow guide hole is communicated with the second cavity.

Furthermore, the fixing frame is provided with an adjusting screw rod, the base is provided with a through groove, the through groove is rotatably provided with an adjusting nut, and the adjusting screw rod is inserted in the through groove and is in threaded connection with the adjusting nut.

The invention has the beneficial effects that:

1. the cleaning device mainly comprises a base, a fixing frame and a cleaning brush device. Wherein can realize the self-cleaning to glassware through the cleaning brush device, during the use, drive movable loop bar through drive assembly and rotate on fixed axle pole, and then drive the cleaning brush subassembly rotation of movable loop bar tip, realize self-cleaning, improve the cleaning efficiency.

The liquid inlet channel of the cleaning liquid is formed by combining the movable loop bar and the fixed loop bar, and the cleaning liquid enters the liquid inlet buffer cavity of the fixed seat through the liquid inlet pipe, flows into the cleaning liquid channel and is stored in the cleaning liquid channel. Along with the rotation of cleaning brush subassembly, the washing liquid is by a plurality of liquid holes blowout on the cleaning brush subassembly, when improving the cleaning performance, reduces the quantity of washing liquid.

In the cleaning process, remaining washing liquid can absorb and store through the imbibition conical head in the glassware, then gets into flowing back passageway through the liquid suction of negative pressure in with the imbibition conical head to discharge by the fluid-discharge tube, avoid remaining liquid residue to influence the accuracy and the detection precision of experimental result.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view showing the construction of the washing brush assembly of fig. 1.

FIG. 3 is a sectional view A-A' of the washing brush assembly of FIG. 2.

Figure 4 is a schematic view of the construction of the movable loop bar and the washing brush assembly of figure 2.

Fig. 5 is a schematic view showing the construction of a single washing brush in fig. 3.

In the figure: 1. a base; 11. a first chamber; 12. a second chamber; 13. a cleaning tank; 131. a flow guide part; 132. a flow guide hole; 14. a through groove; 15. adjusting the nut; 2. a fixed mount; 21. adjusting the screw rod; 3. a fixed seat; 31. a liquid discharge pipe; 32. a liquid inlet pipe; 33. a liquid inlet buffer cavity; 4. a drive member; 41. a driving gear; 5. fixing the shaft lever; 51. a liquid discharge channel; 6. a liquid suction conical head; 61. a first gear; 62. liquid absorbing cotton; 63. a liquid suction hole; 7. a movable loop bar; 71. a liquid inlet channel; 72. rotating the extension; 73. a driven gear ring; 74. a first oblique clamping tooth; 75. a clamping groove; 76. a first through hole; 77. a second through hole; 78. an incomplete gear; 79. a second gear; 8. cleaning the brush assembly; 81. a second oblique clamping tooth; 82. a third through hole; 83. adjusting the loop bar; 831. a slot; 84. cleaning brushes; 841. an insertion block; 842. a flexible wiper blade; 843. and (3) brush hairs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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, a schematic structural diagram of an experimental glassware washing apparatus according to an embodiment of the present invention is shown, in which the glassware washing apparatus includes: the glass ware cleaning device comprises a base 1, a fixing frame 2 arranged on the base 1 and a cleaning brush device arranged on the fixing frame 2, and the automatic cleaning of glass ware can be realized through the cleaning brush device.

Referring to fig. 1 to 2, the washing brush device includes: fixing base 3, drive component 4, fixed axostylus axostyle 5 and activity loop bar 7. When the cleaning brush is used, the movable sleeve rod is driven to rotate on the fixed shaft rod through the driving part, and then the cleaning brush assembly at the end part of the movable sleeve rod is driven to rotate, so that automatic cleaning is realized, and the cleaning efficiency is improved.

The fixing seat 3 is arranged on the fixing frame 2. The fixing seat 3 is arranged for installing the fixed shaft rod 5 and the movable loop bar 7 on one hand, so that a liquid inlet channel 71 is formed between the fixed shaft rod 5 and the movable loop bar 7; on the other hand, a plurality of cavities are formed in the fixed seat 3 and are respectively used for liquid inlet and liquid outlet, so that the liquid inlet and the liquid outlet are relatively independent.

The driving part 4 is arranged in the fixed seat 3 and used for providing power; install drive unit in the fixing base, when not influencing power and connecting, improve drive unit's waterproof sealing nature. Here, the drive member is a motor.

One end of the fixed shaft lever 5 extends into the fixed seat 3, and the other end is connected with a liquid suction conical head 6 for absorbing residual liquid. The fixed shaft lever mainly plays a stabilizing role, and the movable sleeve rod can stably rotate on the fixed shaft lever. The liquid suction conical head is arranged to help absorb residual liquid and temporarily store the absorbed residual liquid.

The movable loop bar 7 is sleeved on the fixed shaft lever 5, one end of the movable loop bar 7 is rotatably connected with the fixed seat 3, and the other end is sleeved with a cleaning brush assembly 8; the driving part 4 can drive the movable sleeve rod 7 to rotate. For example, the driving member 4 is a motor, a driving gear 41 is connected to an output shaft of the motor, a rotation extension portion 72 is provided at one end of the movable sleeve rod 7, a driven gear ring 73 is provided on the rotation extension portion 72, and the driving gear 41 is provided on the driven gear ring 73 and is engaged with the driven gear ring 73. During the use, starter motor, the output shaft of motor rotates and drives the driving gear and rotate, because driving gear and driven gear ring meshing for driven gear ring can rotate along with the rotation of driving gear, finally drives movable loop bar and rotates on the base.

The fixed seat 3 is connected with a liquid discharge pipe 31 and a liquid inlet pipe 32; the fixed shaft lever 5 is internally provided with a liquid discharge channel 51, and a liquid discharge port of the liquid discharge channel 51 is communicated with the liquid discharge pipe 31; the liquid inlet of the liquid drainage channel 51 is communicated with the liquid suction conical head 6; a liquid inlet channel 71 is formed between the movable sleeve rod 7 and the fixed shaft rod 5; the liquid inlet channel 71 is communicated with the liquid inlet pipe 32; the cleaning brush component 8 is provided with a plurality of liquid outlet holes, and each liquid outlet hole is communicated with the liquid inlet channel 71.

In this embodiment, the fixed shaft lever and the movable sleeve rod are both hollow structures, the movable sleeve rod is sleeved outside the fixed shaft lever, and the lower end of the movable sleeve rod is connected with the fixed shaft lever in a dynamic sealing manner. A plurality of cavities are formed in the fixed seat 3 and are used for liquid inlet and liquid outlet respectively. The liquid inlet channel of the cleaning liquid is formed by combining the movable loop bar and the fixed loop bar, and the cleaning liquid enters the liquid inlet buffer cavity of the fixed seat through the liquid inlet pipe, flows into the cleaning liquid channel and is stored in the cleaning liquid channel. Along with the rotation of cleaning brush subassembly, the washing liquid is by a plurality of liquid holes blowout on the cleaning brush subassembly, when improving the cleaning performance, reduces the quantity of washing liquid.

In the cleaning process, the liquid inlet and the liquid outlet are relatively independent, and the residual amount of the cleaning liquid in the glassware can be further regulated and controlled by regulating the speed of the liquid inlet and the liquid outlet, so that the glassware can be cleaned.

Specifically, a liquid inlet buffer cavity 33 is arranged at one side of the fixed seat 3 close to the movable loop bar 7, and the liquid inlet pipe 32 and the liquid inlet channel 71 are both communicated with the liquid inlet buffer cavity 33; and the liquid inlet channel 71 is connected with the liquid inlet buffer cavity 33 in a dynamic sealing way. One side of the fixed seat 3 far away from the movable sleeve rod 7 is provided with a liquid discharge cavity, and the liquid discharge channel is communicated with a liquid discharge pipe through the liquid discharge cavity.

Referring to fig. 4, a plurality of first oblique engaging teeth 74 are disposed on an outer wall of one end of the movable loop bar 7 close to the cleaning brush assembly 8, and an engaging groove 75 is disposed between two adjacent first oblique engaging teeth 74; a plurality of second oblique clamping teeth 81 are arranged on the inner wall of the cleaning brush component 8, and each second oblique clamping tooth 81 is arranged in the corresponding clamping groove 75; each of the first inclined catching teeth 74 extends in a direction opposite to the rotation direction of the movable bar 7. Through the clamping cooperation of the first oblique clamping teeth and the second oblique clamping teeth, the cleaning brush assembly can rotate along the extending direction of the first oblique clamping teeth, so that the second oblique clamping teeth are clamped in the corresponding clamping grooves. Because the extending direction of the first oblique clamping teeth is opposite to the rotating direction of the movable loop bar, the cleaning brush component can be stably arranged on the movable loop bar in the cleaning process.

In order to adjust the aperture of the liquid outlet hole conveniently, the plurality of clamping grooves 75 are respectively and alternately provided with first through holes 76 and second through holes 77, and the size of the first through holes 76 is larger than that of the second through holes 77; a plurality of third through holes 82 are formed in the inner wall of the cleaning brush assembly 8, and each third through hole 82 extends into the corresponding clamping groove 75; each third through hole 82 communicates with its corresponding first through hole 76 or second through hole 77, and the first through holes 76 are alternately closed with the second through holes 77.

In this embodiment, the number of the first through holes, the number of the second through holes, and the number of the third through holes are the same. When the third through hole is communicated with the first through hole, the second through hole is in a closed state; when the third through hole is communicated with the second through hole, the first through hole is in a closed state. Because the aperture of first through-hole and second through-hole is different, during the use, through rotatory washing brush subassembly for the third through-hole communicates with first through-hole or second through-hole for adjust out the aperture size in liquid hole, in order to adapt to the washing demand of different glassware.

Referring to fig. 4 to 5, the cleaning brush assembly 8 includes: an adjusting rod 83 and a plurality of washing brushes 84. The adjusting loop bar 83 is sleeved on the movable loop bar 7; a plurality of slots 831 are arranged on the outer wall of the adjusting sleeve rod 83; a plurality of washing brushes 84 are detachably disposed in the insertion grooves 831 corresponding thereto. Here, the provision of the cleaning brush and the movable loop bar in a detachable connection structure facilitates the replacement of the cleaning brush, and thus the replacement cost can be saved.

Specifically, each of the washing brushes 84 includes: the inserting block 841 is detachably arranged in the corresponding inserting groove 831; the plug 841 is sequentially provided with a flexible blade 842 and bristles 843 along the rotation direction of the cleaning brush assembly 8. Here, as shown in fig. 4 and 5, the shape of the insertion block is matched with that of the slot, and both the shapes are convex, so that the connection stability between the insertion block and the slot is improved on the basis that the detachable connection structure is satisfied between the insertion block and the slot. When the cleaning brush is used for cleaning glass, the surface of the glassware is firstly cleaned through the brush bristles, then the glass is scraped and cleaned through the flexible scraper, residual liquid is removed, and meanwhile residues after being cleaned are scraped together, so that the cleaning effect is improved.

In addition, because the cleaning brush and the liquid outlet are alternately arranged on the outer surface of the adjusting sleeve rod, the cleaning liquid sprayed from the liquid outlet can be used for spraying and cleaning the surface of the glassware on the one hand, and can be used for cleaning the cleaning brush on the other hand, thereby avoiding the influence of residues attached to the cleaning brush on further cleaning the glassware.

Referring to fig. 2 to 3, one end of the liquid suction cone 6 is rotatably connected to the fixed shaft 5, for example, the lower end of the fixed shaft extends out of the movable sleeve rod, and one end of the liquid suction cone is sleeved on the extension section of the lower end of the fixed shaft and is rotatably connected to the fixed shaft. The extension section that fixed axostylus axostyle extends to in the imbibition conical head has a lug, and the size of this lug is greater than the size of imbibition conical head one end opening for the imbibition conical head can rotate on the extension section of fixed axostylus axostyle steadily.

The lower end of the fixed shaft lever 5 is provided with a fixed sealing part, the outer side of the fixed sealing part forms sealing with the movable sleeve rod, and the movable sleeve rod is connected with the fixed sealing part in a dynamic sealing manner. Form inlet channel through the combination of fixed axostylus axostyle, activity loop bar, and inlet channel's one end opening extends to in the fixing base, and the other end forms sealedly through fixed seal portion.

Referring to fig. 3, in order to drive the liquid suction conical head to intermittently rotate and further improve the cleaning effect, a first gear 61 is arranged on the outer wall of one end of the liquid suction conical head 6, an incomplete gear 76 is arranged on the inner wall of the other end of the movable sleeve rod 7, a rotation gap cavity is formed between the other end of the movable sleeve rod 7 and the liquid suction conical head 6, a second gear 77 is arranged in the rotation gap cavity, and the second gear 77 is respectively engaged with the incomplete gear 76 and the first gear 61. The gear shaft of the second gear is fixedly arranged on the fixed sealing part at the lower end of the fixed shaft rod, and the second gear is rotatably connected with the gear shaft of the second gear. When the movable sleeve rod is used, the incomplete gear rotates when the movable sleeve rod rotates, the second gear rotates along with the incomplete gear due to the fact that the second gear is meshed with the first gear, and the second gear stops rotating along with the incomplete gear when the incomplete gear is not meshed with the second gear. Certainly, can set up a plurality of second gears in rotating the clearance cavity for drive imbibition conical head intermittent type formula and rotate, make intermittent type formula conical head can wash glassware's bottom when the imbibition.

In this embodiment, the liquid suction conical head 6 is filled with liquid suction cotton 62, and the other end of the liquid suction conical head 6 away from the fixed shaft 5 is provided with a plurality of liquid suction holes 63. Residual liquid is sucked in through the liquid suction holes and stored in the liquid suction cotton. When a negative pressure environment is formed in the liquid discharge channel, the liquid in the liquid suction cotton can be sucked and discharged through the liquid discharge pipe.

Referring to fig. 1, a cavity is formed in a base 1, the cavity is partitioned by a partition plate to form a first chamber 11 and a second chamber 12, a liquid inlet pipe 32 is communicated with the first chamber 11, and a liquid outlet pipe 31 is communicated with the second chamber 12; the liquid inlet pipe 32 and the liquid outlet pipe 31 are both connected with a circulating water pump; the liquid inlet pipe sucks cleaning liquid in the first cavity into the liquid inlet channel through the circulating water pump, and the liquid discharge pipe forms negative pressure on the liquid discharge channel through the circulating water pump, sucks residual cleaning liquid into the liquid discharge channel and sucks the residual cleaning liquid into the second cavity. Through adjusting 2 circulating water pump's suction pressure, can be used for adjusting the volume of remaining liquid in the glassware, convenient washing. And the liquid inlet and the liquid outlet are relatively independent and do not influence each other, so that the cleaning efficiency can be improved.

The base 1 is provided with a cleaning tank 13 for placing glassware to be cleaned; the side edge of the cleaning tank 13 is provided with an inverted conical diversion part 131; the cleaning liquid convenient for sputtering is concentrated in the cleaning tank along the flow guide part.

A plurality of diversion holes 132 are formed in the side wall of the bottom of the washing tank 13, and each diversion hole 132 is communicated with the second chamber 12. The cleaning liquid concentrated in the cleaning tank can flow into the second chamber through the flow guide holes.

Of course, the liquid-extracting pump can be connected with the liquid-extracting pipe to transfer the residual liquid in the cleaning tank into the second chamber.

The fixing frame 2 is provided with an adjusting screw 21, the base 1 is provided with a through groove 14, the through groove 14 is rotatably provided with an adjusting nut 15, and the adjusting screw 21 is inserted in the through groove 14 and is in threaded connection with the adjusting nut 15. Here, logical inslot 14 is provided with the stopper in the symmetry, and the last symmetry of adjusting screw is provided with the spacing groove, and every stopper all joint is at the spacing inslot that corresponds to can slide along the spacing groove. Therefore, the stability of the vertical height adjustment of the fixing frame can be further improved. During the use, through rotatory adjusting nut for adjusting screw can follow logical groove vertical removal, is used for adjusting the height of mount, so that to the altitude mixture control of cleaning brush device.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An experimental glassware cleaning apparatus, which includes: the cleaning brush comprises a base (1), a fixed frame (2) arranged on the base (1) and a cleaning brush device arranged on the fixed frame (2);

the cleaning brush device includes:

the fixing seat (3) is arranged on the fixing frame (2);

the driving part (4) is arranged in the fixed seat (3) and is used for providing power;

one end of the fixed shaft lever (5) extends into the fixed seat (3), and the other end of the fixed shaft lever is connected with a liquid suction conical head (6) for absorbing residual liquid;

the movable sleeve rod (7) is sleeved on the fixed shaft rod (5), one end of the movable sleeve rod (7) is rotatably connected with the fixed seat (3), and the other end of the movable sleeve rod is sleeved with a cleaning brush component (8); the driving part (4) can drive the movable loop bar (7) to rotate;

the fixed seat (3) is connected with a liquid discharge pipe (31) and a liquid inlet pipe (32); a liquid discharge channel (51) is arranged in the fixed shaft lever (5), and a liquid discharge port of the liquid discharge channel (51) is communicated with the liquid discharge pipe (31); the liquid inlet of the liquid drainage channel (51) is communicated with the liquid suction conical head (6);

the movable sleeve rod (7) and the fixed shaft rod (5) are combined to form a liquid inlet channel (71); the liquid inlet channel (71) is communicated with the liquid inlet pipe (32); a plurality of liquid outlet holes are formed in the cleaning brush assembly (8), and each liquid outlet hole is communicated with the liquid inlet channel (71);

a plurality of first oblique clamping teeth (74) are arranged on the outer wall of one end, close to the cleaning brush component (8), of the movable loop bar (7), and a clamping groove (75) is formed between every two adjacent first oblique clamping teeth (74);

a plurality of second oblique clamping teeth (81) are arranged on the inner wall of the cleaning brush component (8), and each second oblique clamping tooth (81) is arranged in a corresponding clamping groove (75);

the extending direction of each first oblique clamping tooth (74) is opposite to the rotating direction of the movable sleeve rod (7);

a plurality of clamping grooves (75) are respectively and alternately provided with first through holes (76) and second through holes (77), and the size of each first through hole (76) is larger than that of each second through hole (77);

a plurality of third through holes (82) are formed in the inner wall of the cleaning brush assembly (8), and each third through hole (82) extends into a corresponding clamping groove (75); each third through hole (82) is communicated with the corresponding first through hole (76) or second through hole (77), and the first through holes (76) and the second through holes (77) are alternately closed.

2. An experimental glassware washing machine as claimed in claim 1, characterized in that a liquid inlet buffer chamber (33) is provided in the stationary base (3) on a side close to the movable sleeve rod (7), and the liquid inlet pipe (32) and the liquid inlet channel (71) are both communicated with the liquid inlet buffer chamber (33).

3. The experimental glassware washing machine of claim 1, wherein, the driving member (4) is a motor, a driving gear (41) is connected to an output shaft of the motor, a rotation extension portion (72) is provided at one end of the movable sleeve rod (7), a driven gear ring (73) is provided on the rotation extension portion (72), and the driving gear (41) is provided on the driven gear ring (73) and engaged with the driven gear ring (73).

4. Laboratory glassware washing device according to claim 1, characterized in that the washing brush assembly (8) comprises:

the adjusting sleeve rod (83) is sleeved on the movable sleeve rod (7); a plurality of slots (831) are formed in the outer wall of the adjusting sleeve rod (83);

and a plurality of cleaning brushes (84) which are detachably arranged in the corresponding slots (831).

5. Laboratory glassware washing device, according to claim 4, characterized in that each washing brush (84) comprises: the plug-in block (841), the said plug-in block (841) is set up in its correspondent slot (831) removably;

the plug-in block (841) is sequentially provided with a flexible scraper (842) and brush hairs (843) along the rotation direction of the cleaning brush component (8).

6. The experimental glassware washing device of claim 1, wherein one end of the liquid suction conical head (6) is rotatably connected with the fixed shaft rod (5), a first gear (61) is arranged on the outer wall of one end of the liquid suction conical head (6), an incomplete gear (78) is arranged on the inner wall of the other end of the movable sleeve rod (7), a rotation clearance cavity is formed between the other end of the movable sleeve rod (7) and the liquid suction conical head (6), a second gear (79) is arranged in the rotation clearance cavity, and the second gear (79) is respectively meshed with the incomplete gear (78) and the first gear (61);

the liquid absorption conical head (6) is filled with liquid absorption cotton (62), and the other end of the liquid absorption conical head (6) is provided with a plurality of liquid absorption holes (63).

7. Laboratory glassware washing apparatus according to claim 1, characterized in that the base (1) has a cavity therein, which is divided by a partition into a first chamber (11) and a second chamber (12), the inlet pipe (32) communicating with the first chamber (11) and the outlet pipe (31) communicating with the second chamber (12); the liquid inlet pipe (32) and the liquid outlet pipe (31) are both connected with a circulating water pump;

a cleaning groove (13) is arranged on the base (1) and used for placing glassware to be cleaned; the side edge of the cleaning tank (13) is provided with an inverted conical flow guide part (131);

a plurality of flow guide holes (132) are formed in the side wall of the bottom of the cleaning tank (13), and each flow guide hole (132) is communicated with the second cavity (12).

8. The experimental glassware cleaning device of claim 1, wherein, an adjusting screw (21) is disposed on the fixing frame (2), a through groove (14) is disposed on the base (1), an adjusting nut (15) is rotatably disposed on the through groove (14), and the adjusting screw (21) is inserted into the through groove (14) and is screwed with the adjusting nut (15).