CN217595463U

CN217595463U - Fume chamber convenient to experiment operation carries out

Info

Publication number: CN217595463U
Application number: CN202221911723.3U
Authority: CN
Inventors: 姜华; 王红; 徐俊
Original assignee: Shanghai Muya Laboratory Equipment Co ltd
Current assignee: Shanghai Muya Laboratory Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-10-18
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a fume chamber convenient to experiment operation relates to fume chamber technical field. The novel paper turning device comprises a ventilation cabinet, the ventilation cabinet is connected with a first drawer, the first drawer is provided with a writing board, a motor is arranged on the writing board, forward rotation or reverse rotation force is provided through the motor, the motor can drive a telescopic rod to rotate forward or reverse, the motor is started to drive the telescopic rod to rotate anticlockwise, the telescopic rod moves up and down to drive a page turning rod and a rubber head to abut against data paper, the page on the most surface layer of the data paper is pushed up, a first belt pulley is driven to rotate through forward rotation or reverse rotation of the motor, the forward rotation or the reverse rotation of the first belt pulley is realized, a pressing rod is slowly lifted, the pressing rod slowly descends in the reverse direction, when the pressing rod descends, the pressing rod can tightly press the turned page turning data paper, the turned page turning of the turned page turning paper is avoided, and forward rotation or reverse rotation of the telescopic rod, the page turning rod, the rubber head and the pressing rod is synchronously completed.

Description

Fume chamber convenient to experiment operation carries out

Technical Field

The utility model relates to a fume chamber technical field especially relates to a fume chamber convenient to experiment operation.

Background

The fume chamber is the essential laboratory cabinet when experiment, can prevent harmful gas's diffusion and injury to the experimenter in the experimentation, the fume chamber has played good air cycle result, in the experimentation, the experimenter is direct to record the experimental data on the test bench, the experimental facilities is probably touched like this, it is comparatively inconvenient, and the in-process of experimental data record need turn over the page or leaf to the paper, turn over the page or leaf back and accomplish the back with the experimental data record, the paper can overturn under the effect of wind force, the record of giving the experimental data brings a great deal of inconvenience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fume chamber convenient to experiment operation has solved and has not been used for specially recording experiment data position at present, with the inconvenient page or leaf and fixed technical problem that turn over of paper of record experiment data.

In order to solve the technical problem, the utility model provides a ventilation cabinet convenient for experimental operation, which comprises a ventilation cabinet, wherein the ventilation cabinet is connected with a first drawer, the first drawer is clamped into a drawer clamping groove, a plurality of drawer clamping grooves are arranged, the second drawer and a third drawer are clamped into the drawer clamping grooves, and the first drawer is provided with a writing board;

the writing board is provided with a motor, one end of an output shaft of the motor is connected with a telescopic rod, a page turning rod is installed at the tail end of the telescopic rod and is perpendicular to the telescopic rod, the other end of the page turning rod is connected with a rubber head, the motor is connected with a first belt pulley, the first belt pulley is connected with a conveying belt, the other end of the conveying belt is connected with a second belt pulley, and the second belt pulley is connected with a pressing rod.

Preferably, the fume hood is connected with the second drawer and the third drawer.

Preferably, the drawer clamping grooves are in a T-shaped shape, T-shaped plates are arranged at positions, corresponding to the drawer clamping grooves, of the first drawer, the second drawer and the third drawer, and the T-shaped plates and the drawer clamping grooves can slide relatively.

Preferably, the first drawer is provided with a plurality of hooks, and the hooks are distributed on the inner wall of the first drawer in a flush manner.

Preferably, the second drawer and the third drawer are both provided with drawer storage grooves.

Preferably, the pressing rod is provided in an L shape.

Compared with the prior art, the utility model provides a pair of fume chamber convenient to experiment operation has following beneficial effect:

the utility model provides a fume chamber convenient to experiment operation carries out, the experimental data for preventing record in the experimentation receives unrestrained solution and invades wetly, the utility model discloses a plurality of drawer has been set up in fume chamber one side, and set up a clipboard in first drawer, the clipboard bottom is provided with the motor, a telescopic link is connected to the motor, telescopic link end-to-end connection turns over the page or leaf pole, it is provided with a rubber head to turn over the other one end of page or leaf pole, provide the forward rotation or the power of reverse rotation through the motor, it can drive the forward rotation or the reverse rotation of telescopic link, utilize the flexible required height of the flexible regulation of telescopic link to make the effectual laminating paper page of rubber head, the motor is opened and is driven telescopic link counter-clockwise turning, the telescopic link reciprocates and drives page or leaf pole and rubber head and supports on the data paper, the motor continues to rotate, rotate in-process telescopic link and continue to shrink, push up the page of data paper top layer, finally realize the page turning over operation of this data paper.

The utility model provides a fume chamber convenient to experiment operation carries out, positive rotation or the antiport through the motor drive first belt pulley and rotate, the positive and negative rotation of first belt pulley drives conveyer and rotates, conveyer's rotation drives the positive and negative rotation of second belt pulley immediately, the positive and negative rotation of second belt pulley drives the rotation of depression bar immediately, during the anticlockwise rotation of second belt pulley, the depression bar is just slowly lifting, depression bar slowly descends during the reversal, when the depression bar descends, the depression bar just can carry out a effect that compresses tightly to turning over a page data paper, avoid turning over the paper and open the condition that does not have the depression bar to turn over and turn over back, realize the telescopic link promptly, the page turning over pole, the forward rotation or the antiport of rubber head and depression bar are accomplished in step.

Drawings

Fig. 1 is a schematic structural view of a fume hood for facilitating experimental operations.

Fig. 2 is a schematic structural view of a fume hood for facilitating experimental operations.

Fig. 3 is a schematic structural diagram of a fume hood a for facilitating experimental operations.

Fig. 4 is a schematic structural view of a fume hood for facilitating experimental operations.

Fig. 5 is a schematic structural diagram of a fume hood B for facilitating experimental operations.

Fig. 6 is a schematic structural view of a fume hood for facilitating experimental operations.

Fig. 7 is a schematic view of a structure at a fume hood C for facilitating experimental operations.

Reference numbers in the figures: 1. a fume hood; 2. a first drawer; 3. a second drawer; 4. a third drawer; 5. a drawer clamp groove; 6. hooking; 7. a drawer storage tank; 8. a writing board; 9. a hinge; 10. a motor; 11. a telescopic rod; 12. a page turning rod; 13. a rubber head; 14. a first pulley; 15. a second pulley; 16. a conveyor belt; 17. a pressure lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

The utility model is shown in figures 1-7, and comprises a fume hood 1, wherein the fume hood 1 is connected with a first drawer 2, the fume hood 1 is connected with a second drawer 3 and a third drawer 4, the first drawer 2, the second drawer 3 and the third drawer 4 are all provided with drawer clamping grooves 5, the drawer clamping grooves 5 are arranged in a T shape, the first drawer 2 is provided with a hook 6, the first drawer 2 is provided with a writing board 8, and the second drawer 3 and the third drawer 4 are both provided with drawer storage grooves 7;

a plurality of drawer clamping grooves 5 are formed in one side of the ventilation cabinet 1, as shown in fig. 7, the drawer clamping grooves 5 are arranged in a T shape, so that a first drawer 2, a second drawer 3 and a third drawer 4 are clamped on the ventilation cabinet 1 and cannot horizontally move left and right to prevent falling off, a plurality of hooks 6 are arranged at the top end of the first drawer 2 to conveniently place file materials and the like required in an experiment, a writing board 8 is arranged at the bottom of the first drawer 2, the writing board 8 is fixed on the inner wall of the first drawer 2 through a nut at one side of a hinge 9, the other side of the hinge 9 is fixed on one side of the writing board 8 through a nut, the writing board 8 can be folded and unfolded through the hinge 9, and components such as the writing board 8 can be collected into the ventilation cabinet 1;

a plurality of drawer storage grooves 7 are formed in the second drawer 3 and the third drawer 4, and the drawer storage grooves 7 can store some small-sized laboratory wares, so that the laboratory wares can be taken by laboratory staff conveniently;

the writing board 8 is provided with a motor 10, the motor 10 is connected with a telescopic rod 11, the tail end of the telescopic rod 11 is provided with a page turning rod 12, the page turning rod 12 is perpendicular to the telescopic rod 11, the other end of the page turning rod 12 is connected with a rubber head 13, the motor 10 is connected with a first belt pulley 14, the first belt pulley 14 is connected with a conveying belt 16, the other end of the conveying belt 16 is connected with a second belt pulley 15, and the second belt pulley 15 is connected with a pressing rod 17;

the bottom of the writing board 8 is provided with a motor 10, the motor 10 is connected with a telescopic rod 11, the tail end of the telescopic rod 11 is connected with a page turning rod 12, the other end of the page turning rod 12 is provided with a rubber head 13, the motor 10 provides a forward rotation or reverse rotation force which can drive the telescopic rod 11 to rotate forward or reversely, the height required by telescopic adjustment of the telescopic rod 11 is utilized to enable the rubber head 13 to be effectively attached to a paper page, when a data paper on the writing board 8 needs to be turned, as shown in fig. 3, the motor 10 is started to drive the telescopic rod 11 to rotate anticlockwise, the telescopic rod 11 moves up and down to drive the page turning rod 12 and the rubber head 13 to abut against the data paper, the motor 10 continues to rotate, the telescopic rod 11 continues to retract in the rotating process to push up a page on the topmost layer of the data paper, the page turning operation of the data paper is finally realized, the motor 10 continues to rotate, the telescopic rod 11 extends outwards, the page turning rod 12 is moved from the lower side of the turned data paper, then the motor 10 rotates reversely, the page turning rod 12 is moved to the upper side of the turned paper after the page has been turned, the page is rotated anticlockwise by matching with the telescopic rod 11, and the work of the page turning rod 11 and the page turning rod moves to the original position of the telescopic rod 12;

the first belt pulley 14 is driven to rotate through forward rotation or reverse rotation of the motor 10, the forward and reverse rotation of the first belt pulley 14 drives the conveying belt 16 to rotate, the rotation of the conveying belt 16 immediately drives the forward and reverse rotation of the second belt pulley 15, the forward and reverse rotation of the second belt pulley 15 immediately drives the rotation of the pressing rod 17, as shown in fig. 3, when the second belt pulley 15 rotates anticlockwise, the pressing rod 17 is slowly lifted, when the pressing rod 17 rotates reversely, the pressing rod 17 can perform a pressing effect on turned-over data paper, the turned-over data paper is prevented from being turned back under the condition that the turned-over paper is not pressed by the pressing rod 17, and the forward rotation or reverse rotation of the telescopic rod 11, the page turning rod 12, the rubber head 13 and the pressing rod 17 is synchronously completed.

The working principle is as follows: in order to prevent the experimental data recorded in the experimental process from being wetted by the spilled solution, the utility model is provided with a plurality of drawers on one side of the fume hood, a writing board 8 is arranged in the first drawer 2, the bottom of the writing board 8 is provided with a motor 10, the motor 10 is connected with a telescopic rod 11, the tail end of the telescopic rod 11 is connected with a page turning rod 12, the other end of the page turning rod 12 is provided with a rubber head 13, the motor 10 provides a forward rotation force or a reverse rotation force which can drive the telescopic rod 11 to rotate forward or reversely, the rubber head 13 is effectively attached to a paper page by utilizing the height required by the telescopic adjustment of the telescopic rod 11, the motor 10 is started to drive the telescopic rod 11 to rotate anticlockwise, the telescopic rod 11 moves up and down to drive the page turning rod 12 and the rubber head 13 to abut against the data paper, the motor 10 continues to rotate, the telescopic rod 11 continues to retract in the rotating process, the method comprises the steps of pushing up one page of the topmost layer of the data paper, finally realizing page turning operation of the data paper, driving a first belt pulley 14 to rotate through forward rotation or reverse rotation of a motor 10, driving a conveying belt 16 to rotate through forward rotation or reverse rotation of the first belt pulley 14, driving forward rotation or reverse rotation of a second belt pulley 15 through rotation of the conveying belt 16, driving a pressing rod 17 to rotate through forward rotation or reverse rotation of the second belt pulley 15, slowly lifting the pressing rod 17 when the second belt pulley 15 rotates anticlockwise, slowly descending the pressing rod 17 when the pressing rod 17 rotates reversely, enabling the pressing rod 17 to tightly press the page-turned data paper, and avoiding backward turning of the turned paper under the condition that the pressed rod 17 does not press the turned paper, namely realizing synchronous completion of forward rotation or reverse rotation of a telescopic rod 11, a page turning rod 12, a rubber head 13 and the pressing rod 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A ventilation cabinet convenient for experimental operation comprises a ventilation cabinet (1) and is characterized in that the ventilation cabinet (1) is connected with a first drawer (2), the first drawer (2) is clamped into a drawer clamping groove (5), a plurality of drawer clamping grooves (5) are arranged, a second drawer (3) and a third drawer (4) are clamped into the drawer clamping groove (5), and the first drawer (2) is provided with a writing board (8);

the writing board (8) is provided with a motor (10), one end of an output shaft of the motor (10) is connected with a telescopic rod (11), a page turning rod (12) is installed at the tail end of the telescopic rod (11), the page turning rod (12) is perpendicular to the telescopic rod (11), the other end of the page turning rod (12) is connected with a rubber head (13), the motor (10) is connected with a first belt pulley (14), the first belt pulley (14) is connected with a conveying belt (16), the other end of the conveying belt (16) is connected with a second belt pulley (15), and the second belt pulley (15) is connected with a pressing rod (17).

2. A fumehood for facilitating laboratory operations according to claim 1 wherein said fumehood (1) is connected to a second drawer (3), a third drawer (4).

3. The fume hood facilitating experimental operation according to claim 1, wherein the drawer clamping grooves (5) are arranged in a T shape, T-shaped plates are arranged at positions of the first drawer (2), the second drawer (3) and the third drawer (4) corresponding to the drawer clamping grooves (5), and the T-shaped plates and the drawer clamping grooves (5) can slide relatively.

4. A fume hood facilitating the experimental operations according to claim 1, characterized in that said first drawer (2) is provided with a plurality of hooks (6), said hooks (6) being distributed flush on the inner wall of the first drawer (2).

5. A ventilated cabinet convenient for experimental operations according to claim 1, wherein the second drawer (3) and the third drawer (4) are provided with drawer storage slots (7).

6. A fumehood for facilitating laboratory operations according to claim 1, wherein said strut (17) is provided in an L-shape.