CN213518880U - Chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate - Google Patents

Abstract

The utility model relates to a teaching aid technical field especially relates to a chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate. The to-be-solved technical problem of the utility model is that can not carry out the chemical reaction operation simultaneously and be not convenient for accomodate the problem of carrying. In order to solve the technical problem, the utility model provides a chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate, including the teaching aid case, two first electric putter of bottom fixedly connected with of teaching aid incasement wall, and the activity of teaching aid incasement is pegged graft and is had the fly leaf, two bracing pieces of top fixedly connected with and two second electric putter of fly leaf. The utility model discloses a cooperation of mounting bracket, driving frame, first pole and the second pole of bending makes the motor can drive two puddlers simultaneously and stirs the reaction simultaneously to the solution in the beaker, can contrast reaction phenomenon and reaction efficiency in two beakers directly perceivedly, saves time more, and reacts more high-efficiently, and experiment teaching effect is good.

Description

Chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate

Technical Field

The utility model relates to a teaching aid technical field specifically is a chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate.

Background

The teaching aid is a material object aiming at propagating science and technology and educating people, is a complete scientific and technological medium, is an indispensable device in teenager scientific and technological activities, is a natural science, and researches the composition, the property, the structure and the change rule of substances on the molecular and atomic level; creating the science of new substances. The world is composed of substances, and chemistry is one of the main methods and means used by humans to recognize and reform the substance world. It is a long-standing and energetic subject, and its achievement is an important sign of social civilization, and there are two kinds of change forms of chemical change and physical change in chemistry. In chemical experiments, the product of the first reaction is required to react with other compounds respectively, and the reaction phenomenon and the physical properties of the product are intuitively understood.

The prior art has at least the following problems which are not solved: 1. in teaching, the reactions of various compounds are difficult to be carried out simultaneously, contrast cannot be formed visually, the reaction rates are not convenient to be compared, and meanwhile, the experiment operation is complicated and the experiment data is inaccurate; 2. reaction vessel equipment etc. all easily take place the collision simultaneously, and the mr is not convenient for accomodate and carry.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate has solved and can not carry out the chemical reaction operation simultaneously and be not convenient for accomodate the problem of carrying.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a chemical reaction teaching aid convenient to store for teaching of middle and primary schools comprises a teaching aid box, wherein the bottom of the inner wall of the teaching aid box is fixedly connected with two first electric push rods, a movable plate is movably inserted in the teaching aid box, the top of the movable plate is fixedly connected with two supporting rods and two second electric push rods, the top of the movable plate is provided with two through holes penetrating to the bottom of the movable plate, the top ends of the two first electric push rods respectively penetrate through the two through holes and are fixedly connected with the bottoms of the upper half ends of the two supporting rods above the two first electric push rods, the top of the movable plate is provided with two limiting grooves, beakers are movably inserted in the limiting grooves, the top ends of the two second electric push rods are fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with a motor, the output end of the motor penetrates through the mounting frame and is fixedly connected with the top end of a first bending rod below, two second bending rods are movably inserted in the transmission frame in a penetrating mode, and the bottom ends of the two second bending rods penetrate through the transmission frame respectively and are fixedly connected with the top ends of the two stirring rods below the transmission frame.

Further preferably, one side swing joint of teaching aid roof portion opening has the chamber door, and the equal fixedly connected with handle in both sides of teaching aid case.

Further preferably, the diameter of the through hole is 1.5 times of the diameter of the first electric push rod, and the two through holes are symmetrically arranged on two sides of the movable plate by taking the center line of the front surface of the movable plate as an axis.

Preferably, the inner walls of the limit grooves are bonded with sponge supports, and the two limit grooves are symmetrically arranged on two sides of the movable plate by taking the central line on the front surface of the movable plate as an axis.

Further preferably, the diameter of the stirring rod is 0.7 times of the diameter of the inner wall of the beaker, and the central axes of the tops of the two stirring rods are respectively superposed with the central axes of the tops of the two limiting grooves.

Further preferably, the side cross section of the transmission frame is an isosceles triangle, and the second bending rods and the first bending rods are respectively located at three corners of the top of the transmission frame.

(III) advantageous effects

The utility model provides a chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate possesses following beneficial effect:

(1) the cooperation through mounting bracket, driving frame, first pole and the second pole of bending makes the motor can drive two puddlers simultaneously and stirs the reaction simultaneously to the solution in the beaker, can contrast reaction phenomenon and reaction efficiency in two beakers directly perceivedly, saves time more, and reacts more high-efficiently, and experiment teaching is effectual.

(2) The height of the adjustable fly leaf of messenger's electric putter in the teaching aid case, the convenience is accomodate it through the cooperation of through-hole and bracing piece, and the sponge that sets up through the spacing inslot holds in the palm, and the shock that can effectively avoid carrying the box production is to the impact of glass beaker, teaching aid case simple structure, and convenient operation is swift, can open relevant instrument according to the experiment demonstration needs, conveniently expandes the use and accomodates and carry, and the practicality is higher.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is a cross-sectional top view of the structural mounting bracket of the present invention;

fig. 3 is a top view of the structural mounting frame of the present invention.

In the figure: 1. a teaching aid box; 2. a first electric push rod; 3. a movable plate; 4. a support bar; 5. a second electric push rod; 6. a through hole; 7. a limiting groove; 8. a beaker; 9. a mounting frame; 10. a motor; 11. a first bending bar; 12. a transmission frame; 13. a second bending bar; 14. a stirring rod.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a chemical reaction teaching aid convenient to store for teaching in middle and primary schools comprises a teaching aid box 1, a box door is movably connected to one side of a through hole in the top of the teaching aid box 1, handles are fixedly connected to both sides of the teaching aid box 1, two first electric push rods 2 are fixedly connected to the bottom of the inner wall of the teaching aid box 1, a movable plate 3 is movably inserted in the teaching aid box 1, two support rods 4 and two second electric push rods 5 are fixedly connected to the top of the movable plate 3, two through holes 6 penetrating to the bottom of the movable plate 3 are formed in the top of the movable plate 3, the diameter of each through hole 6 is 1.5 times that of each first electric push rod 2, the two through holes 6 are symmetrically arranged on both sides of the movable plate 3 by taking the central line in the front of the movable plate 3 as an axis, the top ends of the two first electric push rods 2 respectively penetrate through the two through holes 6 and are fixedly connected with the bottoms of the, the beakers 8 are movably inserted in the limiting grooves 7, sponge supports are bonded on the inner walls of the limiting grooves 7, the two limiting grooves 7 are arranged on two sides of the movable plate 3 in an axisymmetric manner by taking the center line of the front side of the movable plate as an axis, the top ends of the two second electric push rods 5 are fixedly connected with a mounting frame 9, the top of the mounting frame 9 is fixedly connected with a motor 10, the output end of the motor 10 penetrates through the mounting frame 9 and is fixedly connected with the top end of a first bending rod 11 below the mounting frame, a transmission frame 12 is movably sleeved on the first bending rod 11, two second bending rods 13 are movably inserted on the transmission frame 12, the side section of the transmission frame 12 is an isosceles triangle, the two second bending rods 13 and the first bending rod 11 are respectively positioned at three corners of the top of the transmission frame 12, the bottom ends of the two second bending rods 13 respectively penetrate through the transmission frame 12 and are fixedly connected with the top ends of two stirring rods 14 below the transmission frame, and the diameter of the stirring, and the central axes of the tops of the two stirring rods 14 are respectively superposed with the central axes of the tops of the two limiting grooves 7.

The utility model discloses a mounting bracket 9, driving frame 12, the cooperation of first pole 11 and the second pole 13 that bends, make motor 10 can drive two puddlers 14 simultaneously and stir the reaction simultaneously to the solution in beaker 8, can contrast reaction phenomenon and reaction efficiency in two beakers 8 directly perceivedly, save time more, and the reaction is more high-efficient, experiment teaching effect is good, cooperation through-hole 6 and bracing piece 4, make the height of the adjustable fly leaf 3 of first electric putter 2 in teaching aid case 1, conveniently accomodate it, sponge support through the setting in spacing groove 7, the shock that can effectively avoid carrying the box production is to the impact of glass beaker 8, teaching aid case 1 simple structure, convenient operation is swift, can open relevant instrument according to experiment demonstration needs, conveniently launch the use and accomodate and carry, the practicality is higher.

The working principle is as follows: when chemical reaction teaching is carried out to needs, open the chamber door of teaching aid case 1, and start two first electric putter 2, make it promote two bracing pieces 4 and upwards remove, promote fly leaf 3 to suitable height, and pour the reaction resultant respectively into two beaker 8 in, then through two second electric putter 5, adjust the height of mounting bracket 9, make two puddler 14 put into respectively in two beaker 8, starter motor 10, drive driving frame 12 horizontal hunting through first bending rod 11, thereby make two puddler 14 carry out rotatory stirring under the transmission of two second bending rod 13, when the reaction finishes, can stop motor 10, and adjust puddler 14 to the initial position through two second electric putter 5, thereby accomplish the chemical reaction experiment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

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.

Claims (6)

1. The utility model provides a chemical reaction teaching aid is used in middle and primary school's teaching convenient to accomodate, includes teaching aid case (1), its characterized in that: the bottom of the inner wall of the teaching aid box (1) is fixedly connected with two first electric push rods (2), the teaching aid box (1) is internally movably inserted with a movable plate (3), the top of the movable plate (3) is fixedly connected with two supporting rods (4) and two second electric push rods (5), the top of the movable plate (3) is provided with two through holes (6) penetrating to the bottom of the movable plate, the top ends of the two first electric push rods (2) respectively penetrate through the two through holes (6) and are fixedly connected with the bottoms of the upper half ends of the two supporting rods (4) above the movable plate, the top of the movable plate (3) is provided with two limiting grooves (7), the limiting grooves (7) are internally movably inserted with beakers (8), the top ends of the two second electric push rods (5) are fixedly connected with a mounting frame (9), and the top of the mounting frame (9) is fixedly connected with a motor, the output of motor (10) runs through mounting bracket (9) and rather than the top fixed connection of first bending pole (11) of below, and activity cup joints driving frame (12) on first bending pole (11), the activity interlude has two second bending poles (13) on driving frame (12), and the bottom of two second bending poles (13) runs through driving frame (12) respectively and rather than the top fixed connection of two puddlers (14) of below.

2. The chemical reaction teaching aid is used in middle and primary schools teaching convenient to accomodate of claim 1, characterized in that: one side swing joint of teaching aid case (1) top opening has the chamber door, and the equal fixedly connected with handle in both sides of teaching aid case (1).

3. The chemical reaction teaching aid is used in middle and primary schools teaching convenient to accomodate of claim 1, characterized in that: the diameter of the through holes (6) is 1.5 times of that of the first electric push rod (2), and the two through holes (6) are symmetrically arranged on two sides of the movable plate (3) by taking the center line of the front surface of the movable plate as an axis.

4. The chemical reaction teaching aid is used in middle and primary schools teaching convenient to accomodate of claim 1, characterized in that: the inner walls of the limiting grooves (7) are bonded with sponge supports, and the two limiting grooves (7) are symmetrically arranged on two sides of the movable plate (3) by taking the central line on the front side of the movable plate as an axis.

5. The chemical reaction teaching aid is used in middle and primary schools teaching convenient to accomodate of claim 1, characterized in that: the diameter of the stirring rods (14) is 0.7 times of the diameter of the inner wall of the beaker (8), and the central axes of the tops of the two stirring rods (14) are respectively superposed with the central axes of the tops of the two limiting grooves (7).

6. The chemical reaction teaching aid is used in middle and primary schools teaching convenient to accomodate of claim 1, characterized in that: the side cross section of transmission frame (12) is isosceles triangle, two second bending pole (13) and first bending pole (11) are located the three edges and corners at transmission frame (12) top respectively.

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