CN211977468U

CN211977468U - Chemistry teaching instrument dust removal drying device

Info

Publication number: CN211977468U
Application number: CN201921948577.XU
Authority: CN
Inventors: 白艳红; 白春艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-11-20
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a chemistry teaching instrument dust removal drying device, which comprises a housin, the top cap is installed at the top of casing, annular lug is installed to the outer wall top of casing, the upper surface central point department of putting of top cap installs hot air drying cabinet, hot air drying cabinet's bottom is provided with out the tuber pipe, the bottom that goes out the tuber pipe is passed the first through-hole on the top cap and is connected with the connecting pipe through the coupling, the connecting pipe sets up the top of cavity board in the rectangle, the cavity board passes through the connecting rod and is connected with the lower surface of top cap in the rectangle, hot air drying cabinet's inside is provided with fan and electric heating coil, just the fan is located electric heating coil's top, hot air drying cabinet's top is provided with the air. The utility model solves the problem that the existing dust removal and drying device of the chemical teaching instrument has poor dust removal and drying effects on the test tube cleaning; the utility model discloses convenient to use, the practicality is strong.

Description

Chemistry teaching instrument dust removal drying device

Technical Field

The utility model relates to a chemistry teaching instrument dust removal drying equipment technical field specifically is a chemistry teaching instrument dust removal drying device.

Background

Chemistry is one of natural science, the composition, properties, structure and change rules of substances are researched on the molecular and atomic level, the science of creating new substances is created, the world is composed of substances, chemistry is one of the main methods and means for human beings to know and modify the substance world, and is a long-history and vigorous subject, the achievement of which is an important mark of social civilization, and two change forms of chemical change and physical change exist in chemistry; laboratories use a large number of test tube instruments for testing, which are contaminated with a large number of chemical reagents, some of which are highly corrosive and, once they come into contact with the skin, can have very serious consequences.

The existing dust removal drying device for the chemical teaching instrument has poor dust removal and drying effects on cleaning test tubes, the number of the test tubes cleaned at one time is small, and the working efficiency is low; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemistry teaching instrument dust removal drying device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chemistry teaching instrument dust removal drying device, includes the casing, the top cap is installed at the top of casing, annular lug is installed to the outer wall top of casing, the upper surface central point department of putting of top cap installs hot air drying cabinet, hot air drying cabinet's bottom is provided with out the tuber pipe, the bottom that goes out the tuber pipe passes the first through-hole on the top cap and is connected with the connecting pipe through the coupling, the connecting pipe sets up the top of hollow plate in the rectangle, hollow plate passes through the connecting rod and is connected with the lower surface of top cap in the rectangle, hot air drying cabinet's inside is provided with fan and electric heating coil, just the fan is located electric heating coil's top, hot air drying cabinet's top is provided with the air-supply line, air purifier is installed at the top of air-supply line, the inside of casing is provided with rotatory roller, the outer walls of the two ends of the rotary roller are respectively provided with a third connecting shaft, the third connecting shaft at one end of the rotary roller passes through a shaft coupling and a second connecting shaft, the other end of the second connecting shaft is arranged on a sealing bearing on the outer wall of one side of the shell, the third connecting shaft at the other end of the rotary roller passes through the shaft coupling and the first connecting shaft, the other end of the first connecting shaft passes through the sealing bearing on the outer wall of the other side of the shell and is connected with a speed reducing motor through the shaft coupling, the speed reducing motor is arranged on the upper surface of a mounting plate, the mounting plate is arranged on the outer wall of the other side of the shell, one side of the lower surface of the top cover is provided with a liquid level sensor, a liquid inlet pipe is arranged above the outer wall of one side of the shell, a, and a control box is arranged above the outer wall of the other side of the shell, and a controller is arranged in the control box.

Preferably, the lower surface edge of the top cover is provided with a positioning column, the positioning column is in an annular array, the surface edge of the annular bump is provided with a positioning hole, the positioning hole is in the annular array, and the positioning column on the top cover is in clearance connection with the positioning hole on the annular bump.

Preferably, the first through hole is opened at the top central point of top cap and is put the department, the exhaust vent has been seted up to the bottom of cavity board in the rectangle, sealed bearing is two, and two sealed bearing set up the outer wall both sides at the casing respectively.

Preferably, be provided with the sealing door on the preceding terminal surface of hot air drying case, one side is provided with the safety lock on the preceding terminal surface of sealing door, be provided with display screen and controller panel on the preceding terminal surface of control box, and the display screen is located the top of controller panel, be provided with control button on the preceding terminal surface of controller panel, the support column is all installed to four corners in the bottom of casing.

Preferably, test tube fixed establishment includes arm-tie, pull rod, second through-hole, spring, recess, fixed plate and installation piece, the top of installation piece is seted up flutedly, be provided with the fixed plate in the recess, install the pull rod on the outer wall of fixed plate one side, the other end of pull rod passes second through-hole and arm-tie on the installation piece, the second through-hole is seted up on one side outer wall of mounting panel, be provided with the spring on the outer wall outside of pull rod, and the spring is located between one side inner wall of fixed plate and installation piece.

Preferably, the input of controller and hydraulic pressure sensor's output electric connection, the output of controller and fan, electric heating coil, first solenoid valve, second solenoid valve and gear motor's input electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: through the setting of the test tube fixing mechanism, a user pulls the pulling plate, the spring is compressed, after the test tube is placed between the fixed plate and one side inner wall of the installation block, the user slowly loosens the pulling plate, the spring compression resilience force can fix the test tube between the fixed plate and one side inner wall of the installation block, and the distance between the fixed plate and one side inner wall of the installation block is adjustable, so that the test tubes with different sizes can be fixed, the universality of the utility model is enhanced, the rotary roller is provided with a plurality of test tube fixing mechanisms, and a plurality of test tubes can be fixed, therefore, the utility model can simultaneously clean, remove dust and dry a plurality of test tubes, and improve the working efficiency; through the arrangement of the liquid level sensor, the liquid level sensor can monitor the height of the liquid level in the shell in real time, the liquid level can be higher than the bottom of the cross section of the rotary roller and lower than the bottom of the cross section of the third connecting shaft, when a liquid level data value monitored by the liquid level sensor is between the bottom of the cross section of the rotary roller and the bottom of the cross section of the third connecting shaft, the controller controls the first electromagnetic valve on the liquid inlet pipe to be closed, water or cleaning liquid is stopped to be added, when the test tube is cleaned, the speed reducing motor drives the first connecting shaft to rotate, the first connecting shaft drives the rotating shaft of the third connecting shaft, the third connecting shaft rotates to drive the rotary roller to rotate, the rotary roller can drive the test tube on the test tube fixing mechanism to rotate, because the liquid level is between the bottom of the cross section of the rotary roller and the bottom of the cross section of the third connecting shaft, in, in the process that the test tube rotates from the bottom to the top, water or cleaning fluid in the shell flows into the test tube, so that the test tube can wash the inside of the test tube in a reciprocating manner in the rotating process, and the cleaning and dust removing effects are improved; through the arrangement of the air purifier, the fan and the electric heating coil, when the test tube is dried, a user opens the discharge pipe through the control button to enable water or cleaning liquid inside the shell to flow out, after the water or the cleaning liquid inside the shell completely flows out, the user opens the fan, the air purifier and the electric heating coil through the control button, external air is firstly purified through the air purifier and then conveyed into the hot air drying box, the situation that dust in the external air is conveyed into the shell to cause secondary pollution to the test tube is avoided, the electric heating coil heats the air, the heated air is conveyed into the hollow rectangular plate and is discharged from the air outlet hole to dry the test tube on the test tube fixing mechanism, because in the test tube drying process, the speed reducing motor still works, and therefore the test tube on the rotary roller can be dried by hot air, the situation that the drying and the fruit removal are poor or the drying is excessive due to the fact that a few test tubes are subjected to little hot air is avoided, and the practicability is high.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the test tube fixing mechanism of the present invention.

In the figure: 1. a top cover; 101. a first through hole; 2. an annular projection; 201. positioning holes; 3. a liquid inlet pipe; 4. a first solenoid valve; 5. a housing; 6. a support pillar; 7. a hot air drying oven; 8. an air purifier; 9. An air inlet pipe; 10. a sealing door; 11. a safety lock; 12. a second solenoid valve; 13. a discharge pipe; 14. a positioning column; 15. a control box; 16. a display screen; 17. a control button; 18. a controller panel; 19. a reduction motor; 20. mounting a plate; 21. a coupling; 22. a first connecting shaft; 23. a controller; 24. a liquid level sensor; 25. a connecting rod; 26. a rectangular hollow plate; 2601. an air outlet; 27. a fan; 28. an electric heating coil; 29. a second connecting shaft; 30. sealing the bearing; 31. a third connecting shaft; 32. a test tube fixing mechanism; 3201. pulling a plate; 3202. a pull rod; 3203. a second through hole; 3204. a spring; 3205. a groove; 3206. a fixing plate; 3207. mounting blocks; 33. a rotating roller; 34. an air outlet pipe; 35. a pipe joint; 36. and (4) connecting the pipes.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a dust removal and drying device for a chemical teaching instrument comprises a shell 5, a top cover 1 is installed at the top of the shell 5, an annular bump 2 is installed above the outer wall of the shell 5, a hot air drying box 7 is installed at the central position of the upper surface of the top cover 1, an air outlet pipe 34 is arranged at the bottom of the hot air drying box 7, the bottom of the air outlet pipe 34 penetrates through a first through hole 101 in the top cover 1 and is connected with a connecting pipe 36 through a pipe joint 35, the connecting pipe 36 is arranged at the top of a rectangular hollow plate 26, the rectangular hollow plate 26 is connected with the lower surface of the top cover 1 through a connecting rod 25, a fan 27 and an electric heating coil 28 are arranged inside the hot air drying box 7, the fan 27 is positioned above the electric heating coil 28, an air inlet pipe 9 is arranged at the top of the hot air drying box 7, an air purifier 8 is installed at the top of the air inlet pipe 9, the outer walls of two ends of a rotating roller 33 are respectively provided with a third connecting shaft 31, the third connecting shaft 31 on one end of the rotating roller 33 is connected with a second connecting shaft 29 through a coupler 21, the other end of the second connecting shaft 29 is arranged on a sealing bearing 30 on the outer wall of one side of a shell 5, the third connecting shaft 31 on the other end of the rotating roller 33 is connected with a first connecting shaft 22 through the coupler 21, the other end of the first connecting shaft 22 penetrates through the sealing bearing 30 on the outer wall of the other side of the shell 5 and is connected with a speed reducing motor 19 through the coupler 21, the speed reducing motor 19 is arranged on the upper surface of a mounting plate 20, the mounting plate 20 is arranged on the outer wall of the other side of the shell 5, one side of the lower surface of a top cover 1 is provided with a liquid level sensor 24, a liquid inlet pipe 3 is arranged above the outer wall of one side of the shell, a control box 15 is arranged above the outer wall of the other side of the shell 5, a controller 23 is arranged inside the control box 15, a positioning column 14 is arranged at the edge of the lower surface of the top cover 1, the positioning column 14 is in an annular array, a positioning hole 201 is formed at the edge of the surface of the annular convex block 2, the positioning hole 201 is in an annular array, the positioning column 14 on the top cover 1 is in clearance connection with the positioning hole 201 on the annular convex block 2, a first through hole 101 is formed in the top center of the top cover 1, an air outlet 2601 is formed in the bottom of the rectangular hollow plate 26, two sealing bearings 30 are arranged, the two sealing bearings 30 are respectively arranged on two sides of the outer wall of the shell 5, a sealing door 10 is arranged on the front end face of the hot air drying box 7, a safety lock 11 is arranged on one side of the front end face of the sealing door 10, a display screen 16 and a controller panel, the front end face of the controller panel 18 is provided with a control button 17, four corners of the bottom of the housing 5 are provided with support columns 6, the test tube fixing mechanism 32 comprises a pull plate 3201, a pull rod 3202, a second through hole 3203, a spring 3204, a groove 3205, a fixing plate 3206 and a mounting block 3207, the top of the mounting block 3207 is provided with the groove 3205, the fixing plate 3206 is arranged in the groove 3205, the pull rod 3202 is arranged on the outer wall of one side of the fixing plate 3206, the other end of the pull rod 3202 penetrates through the second through hole 3203 and the pull plate 3201 on the mounting block 3207, the second through hole 3203 is arranged on the outer wall of one side of the mounting plate 20, the spring 3204 is arranged on the outer side of the outer wall of the pull rod 3202, the spring 3204 is positioned between the fixing plate 3206 and the inner wall of one side of the mounting block 3207, the input end of the controller 23 is electrically connected with the, The second electromagnetic valve 12 is electrically connected with the input end of the speed reducing motor 19.

The working principle is as follows: when the device is used, an external power supply is switched on, the user pulls the pull plate 3201, the spring 3204 is compressed, the test tube is placed between the inner walls of one side of the fixing plate 3206 and the mounting block 3207, the pull plate 3201 is slowly loosened by the user, the test tube can be fixed between the inner walls of one side of the fixing plate 3206 and the mounting block 3207 by the compression resilience force of the spring 3204, and the distance between the inner walls of one side of the fixing plate 3206 and the mounting block 3207 is adjustable, so that the test tubes with different sizes can be fixed, the universality of the utility model is enhanced, the rotating roller 33 is provided with a plurality of test tube fixing mechanisms 32, and a plurality of test tubes can be fixed, therefore, the utility model discloses can simultaneously clean, remove dust and dry a plurality of test tubes, and; through the arrangement of the liquid level sensor 24, the liquid level sensor 24 can monitor the height of the liquid level inside the shell 5 in real time, so that the liquid level is higher than the bottom of the cross section of the rotary roller 33 and lower than the bottom of the cross section of the third connecting shaft 31, when the liquid level data value monitored by the liquid level sensor 24 is between the bottom of the cross section of the rotary roller 33 and the bottom of the cross section of the third connecting shaft 31, the controller 23 controls the first electromagnetic valve 4 on the liquid inlet pipe 3 to be closed, the water or cleaning liquid stops being added, when the test tube is cleaned, the speed reducing motor 19 drives the first connecting shaft 22 to rotate, the first connecting shaft 22 drives the rotating shaft of the third connecting shaft 31, the third connecting shaft 31 rotates to drive the rotary roller 33 to rotate, the rotary roller 33 rotates to drive the test tube on the test tube fixing mechanism 32 to rotate, because the liquid level is between the, in the process that the test tube rotates from the top to the bottom, water or cleaning liquid in the test tube flows out due to the action of gravity, and in the process that the test tube rotates from the bottom to the top, the water or cleaning liquid in the shell 5 flows into the test tube, so that the test tube can wash the inside of the test tube in a reciprocating manner in the rotating process, and the cleaning and dust removing effects are improved; through the arrangement of the air purifier 8, the fan 27 and the electric heating coil 28, when drying the test tube, the user opens the discharge pipe 13 through the control button 17, so that the water or cleaning liquid inside the shell 5 flows out, after the water or cleaning liquid inside the shell 5 completely flows out, the user opens the fan 27, the air purifier 8 and the electric heating coil 28 through the control button 17, the outside air is firstly purified through the air purifier 8 and then is conveyed into the hot air drying box 7, the situation that the dust in the outside air is conveyed into the shell 5 to cause secondary pollution to the test tube is avoided, the electric heating coil 28 heats the air, the heated air is conveyed into the hollow rectangular plate and is discharged from the air outlet hole to dry the test tube on the test tube fixing mechanism 32, because in the process of drying the test tube, the speed reducing motor 19 is still working, thereby the test tube on rotatory roller 33 all can be dried by hot-blast, has avoided wherein some test tubes to receive hot-blast few and lead to the dry bad or excessively dry condition emergence of eliminating the effect, and the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a chemistry teaching instrument dust removal drying device, includes casing (5), its characterized in that: top cap (1) is installed at the top of casing (5), annular lug (2) are installed to the outer wall top of casing (5), the upper surface central point department of putting of top cap (1) installs hot air drying cabinet (7), the bottom of hot air drying cabinet (7) is provided with out tuber pipe (34), the bottom that goes out tuber pipe (34) passes first through-hole (101) on top cap (1) and is connected with connecting pipe (36) through coupling (35), connecting pipe (36) set up the top at cavity board (26) in the rectangle, cavity board (26) in the rectangle are connected with the lower surface of top cap (1) through connecting rod (25), the inside of hot air drying cabinet (7) is provided with fan (27) and electric heating coil (28), just fan (27) are located the top of electric heating coil (28), the top of hot air drying cabinet (7) is provided with air-supply line (9), air purifier (8) is installed at the top of air inlet pipe (9), rotary roller (33) is arranged inside casing (5), test tube fixing mechanism (32) is installed on the outer wall of rotary roller (33), third connecting shaft (31) is installed on the outer walls of the two ends of rotary roller (33), the third connecting shaft (31) at one end of rotary roller (33) passes through coupling (21) and second connecting shaft (29), the other end of second connecting shaft (29) is installed on sealed bearing (30) on the outer wall of one side of casing (5), the third connecting shaft (31) at the other end of rotary roller (33) passes through coupling (21) and first connecting shaft (22), the other end of first connecting shaft (22) passes through sealed bearing (30) on the outer wall of the other side of casing (5) and is connected with speed reducing motor (19) through coupling (21), the upper surface at mounting panel (20) is installed in gear motor (19), install on the opposite side outer wall of casing (5) mounting panel (20), one side of top cap (1) lower surface is provided with level sensor (24), one side outer wall top of casing (5) is provided with feed liquor pipe (3), the bottom central point department of putting of casing (5) is provided with delivery pipe (13), be provided with first solenoid valve (4) and second solenoid valve (12) on feed liquor pipe (3) and delivery pipe (13) respectively, control box (15) are installed to the opposite side outer wall top of casing (5), the inside of control box (15) is provided with controller (23).

2. The chemical teaching instrument dedusting and drying device according to claim 1, characterized in that: the lower surface edge of top cap (1) is provided with reference column (14), just reference column (14) are annular array, locating hole (201) have been seted up to the surface edge of annular lug (2), just locating hole (201) are annular array, reference column (14) on top cap (1) with locating hole (201) gap junction on annular lug (2).

3. The chemical teaching instrument dedusting and drying device according to claim 1, characterized in that: the top central point department of putting at top cap (1) is seted up in first through-hole (101), exhaust vent (2601) have been seted up to the bottom of rectangle cavity board (26), sealed bearing (30) are two, and two sealed bearing (30) set up respectively in the outer wall both sides of casing (5).

4. The chemical teaching instrument dedusting and drying device according to claim 1, characterized in that: be provided with sealing door (10) on the preceding terminal surface of hot air drying cabinet (7), one side is provided with safety lock (11) on the preceding terminal surface of sealing door (10), be provided with display screen (16) and controller panel (18) on the preceding terminal surface of control box (15), and display screen (16) are located the top of controller panel (18), be provided with control button (17) on the preceding terminal surface of controller panel (18), support column (6) are all installed to four corners in the bottom of casing (5).

5. The chemical teaching instrument dedusting and drying device according to claim 1, characterized in that: test tube fixed establishment (32) are including arm-tie (3201), pull rod (3202), second through-hole (3203), spring (3204), recess (3205), fixed plate (3206) and installation piece (3207), recess (3205) are seted up at the top of installation piece (3207), be provided with fixed plate (3206) in recess (3205), install pull rod (3202) on fixed plate (3206) one side outer wall, second through-hole (3203) and arm-tie (3201) on installation piece (3207) are passed to the other end of pull rod (3202), second through-hole (3203) are seted up on the one side outer wall of mounting panel (20), be provided with spring (3204) on the outer wall outside of pull rod (3202), and spring (3204) are located between fixed plate (3206) and the one side inner wall of installation piece (3207).

6. The chemical teaching instrument dedusting and drying device according to claim 1, characterized in that: the input of controller (23) and hydraulic sensor's output electric connection, the output of controller (23) and fan (27), electric heating coil (28), first solenoid valve (4), second solenoid valve (12) and gear motor (19)'s input electric connection.