CN211725856U - Intelligent test bench for chemical laboratory - Google Patents

Abstract

The utility model discloses an intelligent experimental table for a chemical laboratory, which belongs to the technical field of laboratory equipment. The utility model comprises a bottom plate, a hidden experimental table is arranged on the bottom plate, a storage bin for accommodating the hidden experimental table and a storage bin for driving the hidden experimental table are arranged on the bottom plate. The drive mechanism for the test bench to enter and exit the storage bin; the top side of the bottom plate is fixed with a vertically upward first support plate, and the top surface of the storage bin is fixed with a vertically upward second support plate. The tops of the two support plates are respectively fixedly connected to the two ends of the top plate; the top plate is provided with a lifting mechanism, and the bottom of the lifting mechanism is provided with an adsorption and disinfection box; several ultraviolet lamps are equally spaced on the top surface of the adsorption and disinfection box to absorb the cavity of the disinfection box The vacuum pump arranged on the top plate is communicated with the suction pipe; the utility model can avoid the experiment table being exposed to the outside for a long time and be invaded by dust, and facilitate the vacuum adsorption and ultraviolet sterilization of the experiment table before the chemical experiment.

Description

Intelligent test bench for chemical laboratory

technical field

The utility model relates to the technical field of laboratory equipment, in particular to an intelligent laboratory table for chemical laboratories.

Background technique

Chemistry is a natural science based on experiments. Usually, various equipment and reagents are used in experiments. At this time, a chemical laboratory bench is required. Chemical experiment is one of the important auxiliary means in chemistry teaching. During the teaching process, all kinds of chemical experiments are completed on the chemical laboratory bench. The existing chemical experimental benches are all modified from ordinary tables, and it is difficult to avoid the experimental bench being attacked by dust when exposed to the outside world for a long time, and the existing chemical experimental benches sometimes need to be disinfected or vacuum adsorbed before performing experiments. But existing test benches themselves lack such capabilities.

Utility model content

In view of the above content, it is necessary to provide an intelligent laboratory bench for chemical laboratory, which is used to solve the technical defects existing in the background art.

In order to achieve the above object, the technical scheme adopted by the present utility model is:

An intelligent experimental bench for a chemical laboratory includes a bottom plate, and a hidden experimental platform is movably arranged on the top surface of the bottom plate; One side is provided with a matching port for the entrance and exit of the hidden test table, and the top surface of the hidden test table is at the same height as the top surface of the inner cavity of the storage bin; a side of the storage bin far from the matching port The side is provided with a driving mechanism for driving the hidden experimental platform to enter and exit the storage bin, the driving mechanism slides through the storage bin, and is fixedly connected to the hidden experimental platform;

A vertically upward first support plate is fixedly arranged on one side of the top surface of the bottom plate, and the hidden experimental platform is located between the first support plate and the storage bin; the top surface of the storage bin is fixedly arranged There is a vertically upward second support plate, the top ends of the first support plate and the second support plate are respectively fixedly connected with the two ends of the top plate, and the top plate is arranged horizontally; The bottom of the mechanism is provided with an adsorption and disinfection box; the adsorption and disinfection box is arranged directly below the top plate, and a cavity is opened inside, and the bottom end is a flanging opening; the top surface of the adsorption and disinfection box is equidistantly distributed a number of ultraviolet rays The cavity of the adsorption and sterilization box is connected to the vacuum pump provided on the top plate through the suction pipe; the driving mechanism can drive the hidden experimental table to move to the right under the flange opening.

Preferably, the driving mechanism includes a gear box fixedly arranged on the top surface of the bottom plate, the gear box is fixedly connected to the storage compartment; a driving gear and a driven gear that mesh with each other are rotatably arranged in the gear box, and the gear box is rotatably arranged with each other. The front and rear inner walls of the box are also fixedly provided with sliding rails, and sliding racks are slidably connected in the sliding rails, and the sliding racks on the front and rear inner walls of the gear box mesh with the driving gear and the driven gear respectively; the two sliding racks are close to the One end of the storage bin is fixedly provided with a connecting rod, the connecting rod slides through the storage bin, and is fixedly connected to the hidden experimental platform; the top surface axis of the driving gear is fixedly provided with a vertical upward rotating rod. The rotating rod penetrates through the top wall of the gear box and is rotatably connected with the top wall of the gear box; the top end of the rotating rod is fixedly provided with a rotating plate.

Preferably, the lifting mechanism includes a rotating motor fixedly arranged on the second support plate, the output shaft of the rotating motor is arranged vertically upward, and is connected to the first pulley on the side above the top plate through a coupling, so The first pulley is connected to the second pulley that is horizontal to it through a belt drive, the bottom surface of the second pulley is vertically fixed with a telescopic screw, and the telescopic screw vertically penetrates the top plate and is threadedly connected to the top plate; The bottom of the telescopic screw is rotatably connected to the adsorption and disinfection box through a bearing; a bar-shaped chute is provided on the side of the first support plate close to the adsorption and disinfection box, and the longitudinal direction of the bar-shaped chute is vertically arranged , a limit rod is arranged on one side of the adsorption and disinfection box close to the first support plate, and is slidably connected with the bar-shaped chute through the limit rod.

Preferably, a control box is fixed on one side of the first support board, and the control box has a built-in PLC controller; the control box is equipped with an external integrated button, the integrated button, the rotating motor, the ultraviolet lamp and the The vacuum pumps are all electrically connected with the PLC controller.

Preferably, a sealing groove is formed on the top surface of the hidden experiment table, the size of the sealing groove is corresponding to the flanging opening on the bottom surface of the adsorption and disinfection box, and a sealing rubber ring is arranged in the sealing groove.

Preferably, the bottom surface of the hidden test table is provided with four rollers, and the four rollers are divided into two groups and are symmetrically arranged on the front and rear sides of the bottom surface of the hidden test table; the top surface of the bottom plate is provided with two sets of There are two roller grooves in which the roller is slidably fitted, and the roller grooves extend into the storage bin.

Owing to adopting the above-mentioned technical scheme, the utility model has the following beneficial effects:

1. The hidden test bench provided by the utility model can enter and exit the storage bin under the driving action of the driving mechanism. When the test bench needs to be used, the hidden test bench is driven to leave the storage bin and exposed on the bottom plate, which is convenient for experimental operation; When the experimental bench needs to be used, drive the hidden experimental bench into the storage bin to avoid the problem that the experimental bench is exposed to the outside world for a long time and is attacked by dust.

2. The adsorption and disinfection box provided by the utility model has the functions of vacuum adsorption and ultraviolet disinfection. The adsorption and disinfection box is arranged on the lifting mechanism and can move up and down with the lifting mechanism. The bottom end of the adsorption and disinfection box is a flange opening, and the adsorption and disinfection box is open. Descending to a certain distance, you can contact the hidden experimental bench, so as to carry out vacuum adsorption and ultraviolet disinfection of the hidden experimental bench to ensure the accuracy of chemical experiments.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is the top view of the positional relationship between the driving gear and the driven gear of the utility model;

Fig. 3 is the connection schematic diagram of the gear box and the sliding rack of the present invention;

Fig. 4 is the connection schematic diagram of the telescopic screw of the utility model and the adsorption and disinfection box;

Fig. 5 is the top view of the positional relationship between the sealing groove and the hidden test bench of the present invention;

The main component symbols in the figure are explained as follows:

In the figure, 1-hidden experimental bench, 2-drive mechanism, 3-lifting mechanism, 4-bottom plate, 5-first support plate, 6-second support plate, 7-top plate, 8-storage bin, 11-sealing Slot, 12-roller, 21-gear box, 22-slide rail, 23-sliding rack, 24-driving gear, 25-driven gear, 26-connecting rod, 28-rotating rod, 29-turntable, 31-rotating Motor, 32-first pulley, 33-second pulley, 34-expandable screw, 35-bearing, 38-adsorption disinfection box, 51-control box, 71-vacuum pump, 72-suction pipe, 381-ultraviolet lamp , 382-limit bar.

The following specific embodiments will further illustrate the present invention with reference to the above drawings.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. The accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, not physical drawings, and should not be construed as limitations on the present invention. Enlargement or reduction does not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures, components and their descriptions in the accompanying drawings may be omitted. All other embodiments obtained by technical personnel without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Example

Please refer to Fig. 1-5, an intelligent experimental bench for a chemical laboratory includes a base plate 4, and a hidden experimental bench 1 is movably arranged on the top surface of the base plate 4. The top surface of the bottom plate 4 is provided with a storage bin 8 for accommodating the concealed experimental bench 1 , and one side of the storage bin 8 is provided with a matching port for the entry and exit of the hidden experimental bench 1 . The top surface of the cavity is the same height. The side of the storage bin 8 away from the mating port is provided with a drive mechanism 2 for driving the concealed experimental platform 1 into and out of the storage bin 8 .

Wherein, the driving mechanism 2 includes a gear box 21 fixedly arranged on the top surface of the bottom plate 4 , and the gear box 21 is fixedly connected to the storage bin 8 . The gear box 21 is rotatably provided with a driving gear 24 and a driven gear 25 that mesh with each other. The front and rear inner walls of the gear box 21 are also fixedly provided with slide rails 22 . The slide rail 22 is slidably connected with a sliding rack 23 , and the front and rear of the gear box 21 The sliding rack 23 on the inner wall meshes with the driving gear 24 and the driven gear 25 respectively. One end of the two sliding racks 23 close to the storage bin 8 is fixedly provided with a connecting rod 26 , and the connecting rod 26 slides through the storage bin 8 and is fixedly connected to the hidden experiment table 1 . The shaft center of the top surface of the driving gear 24 is fixedly provided with a vertically upward rotating rod 28. The rotating rod 28 penetrates through the top wall of the gear box 21 and is rotatably connected with the top wall of the gear box 21; the top of the rotating rod 28 is fixedly provided with a turntable 29. When in use, rotating the turntable 29 drives the rotating rod 28 to rotate, the driving gear 24 rotates and drives the driven gear 25 to rotate, and the driving gear 24 and the driven gear 25 rotate to drive the two sliding racks 23 to move horizontally, so as to realize the driving hidden experiment. Stage 1 moves horizontally. The hidden experimental table 1 can enter and exit the storage bin 8 under the driving action of the driving mechanism 2. When the experimental bench needs to be used, the hidden experimental table 1 is driven to leave the storage bin 8 and is exposed on the bottom plate 4, which is convenient for experimental operation; When using the experimental bench, drive the hidden experimental bench 1 into the storage bin 8 to avoid the problem that the experimental bench is exposed to the outside world for a long time and is attacked by dust.

In the present embodiment, four rollers 12 are arranged on the bottom surface of the hidden test table 1, and the four rollers 12 are divided into two groups and symmetrically arranged on the front and rear sides of the bottom surface of the hidden test table. The top surface of the bottom plate 4 is provided with two roller grooves that are slidably fitted with the two sets of rollers 12 , and the roller grooves extend into the storage bin 8 .

A vertically upward first support plate 5 is fixed on one side of the top surface of the bottom plate 4 , and the hidden experimental platform 1 is located between the first support plate 5 and the storage bin 8 . The top surface of the storage bin 8 is fixedly provided with a vertically upward second support plate 6. The top ends of the first support plate 5 and the second support plate 6 are respectively fixedly connected to both ends of the top plate 7, and the top plate 7 is arranged horizontally. A lift mechanism 3 is provided on the top plate 7 , and an adsorption and disinfection box 38 is provided at the bottom of the lift mechanism 3 . The adsorption and sterilization box 38 is arranged directly below the top plate 7, and a cavity is formed in the inside thereof, and the bottom end is a flanged opening. A plurality of ultraviolet lamps 381 are equidistantly distributed on the top surface of the adsorption and disinfection box 38 , and the cavity of the adsorption and disinfection box 38 communicates with the vacuum pump 71 provided on the top plate 7 through the suction pipe 72 . The driving mechanism 2 can drive the concealed experimental table 1 to move to just below the flanging opening.

Wherein, the lifting mechanism 3 includes a rotating motor 31 fixedly arranged on the second support plate 6, the output shaft of the rotating motor 31 is arranged vertically upward, and is connected to the first pulley 32 located on the upper side of the top plate 7 through a coupling, The first pulley 32 is connected to the horizontal second pulley 33 through a belt drive. The bottom surface of the second pulley 33 is vertically fixed to the telescopic screw 34 , and the telescopic screw 34 vertically penetrates the top plate 7 and is threadedly connected to the top plate 7 . The bottom of the telescopic screw 34 is rotatably connected with the adsorption and sterilization box 38 through the bearing 35 . The side of the first support plate 5 close to the adsorption and disinfection box 38 is provided with a bar-shaped chute, the longitudinal direction of the strip-shaped chute is vertically arranged, and the side of the adsorption and disinfection box 38 close to the first support plate 5 is provided with a limit rod 382, It is slidably connected with the bar-shaped chute through the limit rod 382 . When in use, start the rotating motor 31, the rotating motor 31 drives the first pulley 32 to rotate, the first pulley 32 drives the second pulley 33 to rotate, the second pulley 33 drives the telescopic screw 34 to rotate, and the telescopic screw 34 is threaded with the top plate 7 connected, so that the telescopic screw 34 can move up and down in the vertical direction; because the telescopic screw 34 is rotatably connected to the adsorption and disinfection box 38 through the bearing 35, and the restriction effect of the upper limit rod 382 is added, the adsorption and disinfection box 38 cannot follow the telescopic screw 34. Rotation, can only move up and down, so as to realize the lifting function. The lifting mechanism 3 enables the adsorption and disinfection box 38 to move up and down in the vertical direction, so that the ultraviolet lamp 381 and the suction pipe 72 working in it perform ultraviolet disinfection and vacuum adsorption on the top surface of the hidden test bench 1, thereby ensuring the safety of the chemical test bench. Sterility, improve the accuracy of chemical experiments.

In addition, a control box 51 is fixed on one side of the first support plate 5, and the control box 51 has a built-in PLC controller. The control box 51 is provided with an external integrated button, and the integrated button, the rotating motor 31 , the ultraviolet lamp 381 and the vacuum pump 71 are all electrically connected with the PLC controller. A sealing groove 11 is formed on the top surface of the hidden test bench 1 . The size of the sealing groove 11 corresponds to the flanging opening on the bottom surface of the adsorption and disinfection box 38 , and a sealing rubber ring is arranged in the sealing groove 11 .

Specific principle: When the utility model is in use, if it is necessary to remove the hidden test table 1 from the storage bin 8, the rotating rod 28 is rotated through the turntable 29, and the rotating rod 28 drives the driving gear 24 to rotate, and the driving gear 24 drives the meshing driven The gear 25 rotates, the driving gear 24 and the driven gear 25 drive the sliding racks 23 on both sides to move outward on the sliding rails 22 of the gear box 21, and the sliding racks 23 drive the hidden test bench 1 on the bottom plate 4 through the connecting rod 26. Sliding in the groove of the roller 12, so that it slides directly below the adsorption and disinfection box 38, at this time, stop rotating the turntable 29, you can realize the sliding out of the hidden test table 1, and vice versa, you can also store the hidden test table 1 . Further, when the top surface of the hidden test table 1 needs to be sterilized or vacuum adsorbed, the integrated button on the control box 51 is used to start the rotating motor 31 to work, and the rotating motor 31 drives the first pulley 32, the first pulley 32. The pulley 32 drives the second pulley 33 through the belt, and the second pulley 33 makes the telescopic screw 34 rotate, so that the telescopic screw 34 is displaced downward, thereby realizing the downward displacement of the adsorption and disinfection box 38. When the bottom end of the adsorption and disinfection box 38 is opened When the flanging and sealing groove 11 are sealed and plugged, the rotating motor 31 is stopped; at this time, the vacuum pump 71 and the ultraviolet lamp 381 are controlled by the integrated switch to work, so as to realize the ultraviolet radiation on the top surface of the hidden test bench 1 in the adsorption and disinfection box 38 Sterilization and vacuum adsorption make it meet the environmental parameters required for chemical experiments.

The above description is a detailed description of the preferred feasible embodiments of the present utility model, but the embodiments are not intended to limit the scope of the patent application of the present utility model. All should belong to the scope of the patent covered by this utility model.

Claims (6)

1. Chemistry experiment uses intelligent laboratory bench in room, including bottom plate (4), its characterized in that: the top surface of the bottom plate (4) is movably provided with a hidden experiment table (1); a storage bin (8) for storing the hidden experiment table (1) is arranged on the top surface of the bottom plate (4), a matching port for the hidden experiment table (1) to enter and exit is formed in one side of the storage bin (8), and the top surface of the hidden experiment table (1) is level to the top surface of the inner cavity of the storage bin (8); a driving mechanism (2) for driving the hidden experiment table (1) to enter and exit the accommodating bin (8) is arranged on one side, away from the matching opening, of the accommodating bin (8), and the driving mechanism (2) penetrates through the accommodating bin (8) in a sliding mode and is fixedly connected with the hidden experiment table (1);

a first support plate (5) which is vertically upward is fixedly arranged on one side of the top surface of the bottom plate (4), and the hidden experiment table (1) is positioned between the first support plate (5) and the storage bin (8); a second support plate (6) which is vertically upward is fixedly arranged on the top surface of the storage bin (8), the top ends of the first support plate (5) and the second support plate (6) are respectively and fixedly connected with two ends of a top plate (7), and the top plate (7) is horizontally arranged; the top plate (7) is provided with a lifting mechanism (3), and the bottom of the lifting mechanism (3) is provided with an adsorption disinfection box (38); the adsorption disinfection box (38) is arranged right below the top plate (7), a cavity is formed in the adsorption disinfection box, and the bottom end of the adsorption disinfection box is a flanging opening; a plurality of ultraviolet lamps (381) are equidistantly distributed on the inner top surface of the adsorption disinfection box (38), and a cavity of the adsorption disinfection box (38) is communicated with a vacuum pump (71) arranged on the top plate (7) through an air suction pipe (72); the driving mechanism (2) can drive the hidden type experiment table (1) to move to the position right below the flanging opening.

2. The intelligent laboratory bench of claim 1 wherein: the driving mechanism (2) comprises a gear box (21) fixedly arranged on the top surface of the bottom plate (4), and the gear box (21) is fixedly connected with the storage bin (8); a driving gear (24) and a driven gear (25) which are meshed with each other are rotatably arranged in the gear box (21), slide rails (22) are fixedly arranged on the front inner wall and the rear inner wall of the gear box (21), sliding racks (23) are connected in the slide rails (22) in a sliding manner, and the sliding racks (23) on the front inner wall and the rear inner wall of the gear box (21) are respectively meshed with the driving gear (24) and the driven gear (25); one ends of the two sliding racks (23) close to the containing bin (8) are both fixedly provided with a connecting rod (26), and the connecting rods (26) penetrate through the containing bin (8) in a sliding manner and are fixedly connected with the hidden experiment table (1); a rotating rod (28) which is vertically upward is fixedly arranged on the top surface axis of the driving gear (24), and the rotating rod (28) penetrates through the top wall of the gear box (21) and is in rotating connection with the top wall of the gear box (21); the top end of the rotating rod (28) is fixedly provided with a rotating disc (29).

3. The intelligent laboratory bench of claim 2 wherein: the lifting mechanism (3) comprises a rotating motor (31) fixedly arranged on the second support plate (6), an output shaft of the rotating motor (31) is vertically and upwards arranged and is connected with a first belt wheel (32) positioned on one side above the top plate (7) through a coupler, the first belt wheel (32) is connected with a second belt wheel (33) horizontal to the first belt wheel through belt transmission, an extensible screw rod (34) is vertically and fixedly connected with the axis of the bottom surface of the second belt wheel (33), and the extensible screw rod (34) vertically penetrates through the top plate (7) and is in threaded connection with the top plate (7); the bottom of the telescopic screw rod (34) is rotationally connected with the adsorption disinfection box (38) through a bearing (35); a strip-shaped sliding groove is formed in one side, close to the adsorption and disinfection box (38), of the first support plate (5), the strip-shaped sliding groove is vertically arranged in the length direction, a limiting rod (382) is arranged on one side, close to the first support plate (5), of the adsorption and disinfection box (38), and the limiting rod (382) is in sliding connection with the strip-shaped sliding groove.

4. The intelligent laboratory bench of claim 3 wherein: a control box (51) is fixedly arranged on one side of the first support plate (5), and a PLC (programmable logic controller) is arranged in the control box (51); the external integrated button of control box (51), integrated button rotate motor (31), ultraviolet lamp (381) and vacuum pump (71) all with PLC controller electric connection.

5. The intelligent laboratory bench of claim 1 wherein: the top surface of the hidden experiment table (1) is provided with a sealing groove (11), the size of the sealing groove (11) corresponds to the flanging opening on the bottom surface of the adsorption and disinfection box (38), and a sealing rubber ring is arranged in the sealing groove (11).

6. The intelligent laboratory bench of claim 1 wherein: the bottom surface of the hidden experiment table (1) is provided with four rollers (12), and the four rollers (12) are divided into two groups and symmetrically arranged on the front side and the rear side of the bottom surface of the hidden experiment table; the top surface of the bottom plate (4) is provided with two roller grooves matched with the two groups of rollers (12) in a sliding manner, and the roller grooves extend into the storage bin (8).

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