CN208938408U - A kind of pedagogical course uses teaching aid - Google Patents

Abstract

The utility model discloses a kind of pedagogical courses to use teaching aid, including shell, four corners of the outer casing bottom are mounted on the first idler wheel, and set casing and outlet are provided on a side of shell, and set casing is located at the top of outlet, the surface of the set casing is equipped with axle bed and scale, and axle bed is located at scale middle position, the side of the axle bed is connected with pointer, push handle is enclosed on the appearance wall of the pointer, side on one side of the shell close to outlet is equipped with controller, the utility model is provided with coding ball and pointer, when imparting knowledge to students to student, push push handle, it is selected according to student, pointer is set to be directed toward the designated position on set casing surface, subsequent driving handle, then the second idler wheel of connecting rod bottom is rolled in race, i.e. connecting rod pushes coding ball to the side close to channel It is moved, coding ball enters the inside in channel, solves the problems, such as to be selected to carry out random test according to student.

Description

A kind of pedagogical course uses teaching aid

Technical field

The utility model belongs to pedagogy technical field, and in particular to a kind of pedagogical course uses teaching aid.

Background technique

Pedagogy is the social science of a research pedagogical phenomenon, educational problem and its rule, it is widely present in the mankind In life, disclose the universal law of education by the research to pedagogical phenomenon, educational problem, modern age psychology, physiology Development has established dialectical materialism philosophy and natural science basis, the hair of modern production and science and technology for scientific education Exhibition, it is the popularity of educational practice, rich, educational development is further pushed, educational research object is the mankind Pedagogical phenomenon and problem, and the universal law of education are in education, society, people's middle position and the internal each factor of education Between essence inherent at position connection and relationship, there is objectivity, certainty, stability and repeatability.

But there is some defects, existing education using teaching aid in pedagogical course currently on the market in use Learn course using teaching aid be mostly it is fixed, cannot be selected to carry out random test according to student, and existing pedagogical course makes Cannot flexibly coding ball in test be taken out and be interpreted with teaching aid.

Utility model content

The purpose of this utility model is to provide a kind of pedagogical courses to use teaching aid, to solve to mention in above-mentioned background technique Existing pedagogical course out cannot select to carry out random test according to student using teaching aid, and cannot be flexibly in test The problem of coding ball is taken out and interprets.

To achieve the above object, the utility model provides the following technical solutions: a kind of pedagogical course uses teaching aid, including Shell, four corners of the outer casing bottom are mounted on the first idler wheel, and are provided with set casing on a side of shell And outlet, and set casing is located at the top of outlet, the surface of the set casing is equipped with axle bed and scale, and axle bed is located at scale Middle position, the side of the axle bed are connected with pointer, are enclosed with push handle on the appearance wall of the pointer, and the one of the shell Side on a side close to outlet is equipped with controller, and fixed case is fixed on another side of shell, the fixation One end of case is fixed with connection shell, and the inside of fixed case is fixed with motor, and one end of the motor is rotated by shaft It is connected with lead screw, the side of the lead screw is equipped with push rod, and the inside of the shell is fixed with channel, and the inside of shell is close There are four race, the inside of four races is mounted on the second idler wheel and coding ball, and the second rolling for the side setting in channel Wheel is located at the side of coding ball, and the side of four second idler wheels is respectively and fixedly provided with connecting rod, one end of four connecting rods It is mounted on handle, the inside in the channel is fixed with compressed spring, and the motor and controller are electrically connected, the control Device and external power supply are electrically connected.

Preferably, the channel is L-type structure.

Preferably, the surface of the handle is equipped with Anti-slip cover.

Preferably, the surface of the coding ball is coated with lubricating oil.

Preferably, damping spring is installed above first idler wheel.

Preferably, the surface of the fixed case offers heat release hole.

Preferably, the set casing is hollow disc type structure.

Compared with prior art, the utility model has the beneficial effects that

(1) the utility model is provided with coding ball and pointer, when imparting knowledge to students to student, push handle is pushed, according to student Selection makes pointer be directed toward the designated position on set casing surface, and subsequent driving handle, then the second idler wheel of connecting rod bottom is in race It is inside rolled, i.e., connecting rod pushes coding ball to be moved to the side close to channel, and coding ball enters the inside in channel, pressure Contracting spring buffers the speed that falls of coding ball, solves the problems, such as to be selected to carry out random test according to student.

(2) the utility model be provided with push rod, motor by shaft drive lead screw rotated, lead screw drive push rod into Row stretching motion, push rod push the coding ball above compressed spring, i.e. coding ball is moved to exit, and solving cannot spirit It is living to encoding the problem of ball is taken out interpretation in test.

Detailed description of the invention

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

Fig. 2 is the main view of the utility model；

Fig. 3 is the fixed case structural schematic diagram of the utility model；

In figure: 1- shell, 2- fixed case, 3- motor, 4- compressed spring, the channel 5-, the first idler wheel of 6-, 7- race, 8- Second idler wheel, 9- handle, 10- push rod, 11- encode ball, 12- connecting rod, 13- set casing, 14- pointer, 15- push handle, 16- axis Seat, the outlet 17- scale, 18-, 19- controller, 20- lead screw, 21- connection shell.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to shown in Fig. 1-Fig. 3, the utility model provides a kind of technical solution: a kind of pedagogical course using teaching aid, Including shell 1, four corners of 1 bottom of shell are mounted on the first idler wheel 6, and are provided on a side of shell 1 solid Determine shell 13 and outlet 18, and set casing 13 is located at the top of outlet 18, the surface of set casing 13 is equipped with axle bed 16 and scale 17, And axle bed 16 is located at 17 middle position of scale, the side of axle bed 16 is connected with pointer 14, is enclosed on the appearance wall of pointer 14 Push handle 15, push push handle 15, selected according to student, make pointer 14 be directed toward 13 surface of set casing designated position, one of shell 1 Side on side close to outlet 18 is equipped with controller 19, and fixed case 2 is fixed on another side of shell 1, fixed One end of case 2 is fixed with connection shell 21, and the inside of fixed case 2 is fixed with motor 3, and one end of motor 3 is turned by shaft Dynamic to be connected with lead screw 20, the side of lead screw 20 is equipped with push rod 10, and motor 3 drives lead screw 20 to be rotated by shaft, silk Thick stick 20 drives push rod 10 to carry out stretching motion, and push rod 10 pushes the coding ball 11 of 4 top of compressed spring, and the inside of shell 1 is fixed Have a channel 5, and the inside of shell 1 close to channel 5 side setting there are four race 7, the inside of four races 7 is mounted on the Second wheel 8 and coding ball 11, and the second idler wheel 8 is located at the side of coding ball 11, the side of four the second idler wheels 8 is respectively and fixedly provided with company Extension bar 12, one end of four connecting rods 12 are mounted on handle 9, and driving handle 9, then the second idler wheel 8 of 12 bottom of connecting rod exists It is rolled in race 7, the inside in channel 5 is fixed with compressed spring 4, and the speed that falls of 4 pairs of compressed spring coding balls 11 carries out Buffering, motor 3 and controller 19 are electrically connected, and controller 19 and external power supply are electrically connected, and motor 3 uses Y112M-2 Model driving motor, power are as follows: 4KW, rated current: 8.2A, revolving speed: 2890r/min, controller 19 use XHDM-5 model Controller.

Outlet 18 is rolled to from channel 5 for the ease of coding ball 11, in the present embodiment, it is preferred that channel 5 is L-type structure.

In order to avoid avoiding skidding in driving handle 9, in the present embodiment, it is preferred that the surface of handle 9 is equipped with anti-skidding Set.

It is rolled in race 7 for the ease of coding ball 11, in the present embodiment, it is preferred that the surface of coding ball 11 is coated with Lubricating oil.

In order to avoid shaking the excessive movement for influencing coding ball 11 in moving process, in the present embodiment, it is preferred that first The top of idler wheel 6 is equipped with damping spring.

For the ease of radiating, in the present embodiment, it is preferred that the surface of fixed case 2 offers heat release hole.

For the ease of the direction of pointer 14, in the present embodiment, it is preferred that set casing 13 is hollow disc type structure.

The working principle and process for using of the utility model: external power supply is connected, then controller 19 controls motor 3 It works normally, when imparting knowledge to students to student, pushes push handle 15, selected according to student, pointer 14 is made to be directed toward 13 surface of set casing Designated position, subsequent driving handle 9, then the second idler wheel 8 of 12 bottom of connecting rod is rolled in race 7, i.e. connecting rod 12 push coding ball 11 to be moved to the side close to channel 5, and coding ball 11 enters the inside in channel 5,4 pairs of compressed spring volumes The speed that falls of code ball 11 is buffered, while motor 3 drives lead screw 20 to be rotated by shaft, and lead screw 20 drives push rod 10 carry out stretching motions, and push rod 10 pushes the coding ball 11 of the top of compressed spring 4, i.e. coding ball 11 is to being moved at outlet 18 It is dynamic, test teaching can be carried out according to the data on coding ball 11.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of pedagogical course uses teaching aid, including shell (1), it is characterised in that: four turnings of shell (1) bottom Place is mounted on the first idler wheel (6), and set casing (13) and outlet (18) are provided on a side of shell (1), and fixed Shell (13) is located at the top of outlet (18), and the surface of the set casing (13) is equipped with axle bed (16) and scale (17), and axle bed (16) it is located at scale (17) middle position, the side of the axle bed (16) is connected with pointer (14), outside the pointer (14) It is enclosed on table wall push handle (15), the side on a side of the shell (1) close to outlet (18) is equipped with controller (19), it and on another side of shell (1) is fixed with fixed case (2), one end of the fixed case (2) is fixed with connection shell (21), and the inside of fixed case (2) is fixed with motor (3), and one end of the motor (3) is rotatably connected to silk by shaft The side of thick stick (20), the lead screw (20) is equipped with push rod (10), and the inside of the shell (1) is fixed with channel (5), and shell (1) there are four race (7) for side setting of the inside close to channel (5), and the inside of four races (7) is mounted on second Idler wheel (8) and coding ball (11), and the second idler wheel (8) be located at coding ball (11) side, the one of four second idler wheels (8) Side is respectively and fixedly provided with connecting rod (12), and one end of four connecting rods (12) is mounted on handle (9), the channel (5) it is interior Portion is fixed with compressed spring (4), and the motor (3) and controller (19) are electrically connected, the controller (19) and external electrical Source is electrically connected.

2. a kind of pedagogical course according to claim 1 uses teaching aid, it is characterised in that: the channel (5) is L-type knot Structure.

3. a kind of pedagogical course according to claim 1 uses teaching aid, it is characterised in that: the surface of the handle (9) Anti-slip cover is installed.

4. a kind of pedagogical course according to claim 1 uses teaching aid, it is characterised in that: the table of coding ball (11) Face is coated with lubricating oil.

5. a kind of pedagogical course according to claim 1 uses teaching aid, it is characterised in that: first idler wheel (6) Top is equipped with damping spring.

6. a kind of pedagogical course according to claim 1 uses teaching aid, it is characterised in that: the table of the fixed case (2) Face offers heat release hole.

7. a kind of pedagogical course according to claim 1 uses teaching aid, it is characterised in that: during the set casing (13) is Empty collar plate shape structure.