CN211403817U

CN211403817U - Teaching aid for teaching by applying electronic technology

Info

Publication number: CN211403817U
Application number: CN202020129880.3U
Authority: CN
Inventors: 韩广琳
Original assignee: Tianjin Normal University
Current assignee: Tianjin University; Tianjin Normal University
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-01
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a teaching aid is used in applied electronic technology teaching, including base and collapsible assembly in panel on the base, wherein: one side of the display board is hinged to one side of the base through a hinge, the other side of the display board is connected to the other side of the base through a folding rod, the folding rod comprises an upper connecting rod and a lower connecting rod, the opposite far ends of the upper connecting rod and the lower connecting rod are respectively hinged to the back of the display board and the upper surface of the base, and the opposite near ends of the upper connecting rod and the lower connecting rod are rotatably connected and fastened through a butterfly nut and bolt assembly; the display board is provided with four slide rails, each slide rail is provided with a slide block connected with the slide rail in a sliding manner, one side of each slide block is fixed with a fixing ring, a fixing pin can penetrate through the fixing ring and the fixing hole position, the slide block is fixed on the display board, and each slide block is fixed with a positioning part for fixing a circuit board. The utility model discloses can make the more profound understanding student content of giving lessons of student, optimize the teaching effect.

Description

Teaching aid for teaching by applying electronic technology

Technical Field

The utility model relates to an electronic technology teaching technical field especially relates to an use teaching aid for electronic technology teaching.

Background

The circuit board connection relation teaching is an important content in electronic technology teaching, and how to connect circuit boards to perform a specific function needs to be demonstrated by a teacher in class, however, when the demonstration is performed, because the connection of multiple connecting wires is needed between every two circuit boards, when the connection relation of three or four circuit boards is demonstrated, the teacher needs to put all the circuit boards on a platform desktop flatly, after all the electric connecting wires are connected, the circuit boards are lifted by hands to demonstrate for students, the whole operation process is time-consuming and labor-consuming, in addition, because the connection process is completed on the platform desktop, the students cannot watch the connection sequence, only can watch the finished products after the connection is completed inconveniently, and the teacher can explain while connecting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a teaching aid for teaching of applied electronic technology to the inconvenient problem of circuit board connection demonstration that exists among the prior art.

For realizing the utility model discloses a technical scheme that the purpose adopted is:

the utility model provides an use teaching aid for electronic technology teaching, includes base and collapsible assembly in panel on the base, wherein:

one side of the display board is hinged to one side of the base through a hinge, the other side of the display board is connected to the other side of the base through a folding rod, the folding rod comprises an upper connecting rod and a lower connecting rod, the opposite far ends of the upper connecting rod and the lower connecting rod are respectively hinged to the back of the display board and the upper surface of the base, and the opposite near ends of the upper connecting rod and the lower connecting rod are rotatably connected and fastened through a butterfly nut and bolt assembly;

be equipped with four slide rails on the panel, four slide rails are "mouthful" font and arrange, each a plurality of fixed hole sites of evenly having arranged in the outside of slide rail, and each be equipped with the slider rather than sliding connection on the slide rail, one side of slider is fixed with solid fixed ring, and the fixed pin can pass gu fixed ring with fixed hole site will the slider is fixed in on the panel, be fixed with the location portion that is used for fixed circuit board on each slider.

In the above technical solution, the positioning portion includes a back plate fixed to the slider and a slot formed in a lower portion of the back plate for inserting a circuit board.

In the above technical scheme, the back plate is fixed with a vacuum chuck.

In the above technical scheme, the slide rail can adopt an optical axis slide bar, two ends of the optical axis slide bar are fixed on the display board through the upright posts, and the slide block is sleeved on the optical axis slide bar in a penetrating manner.

In the above technical solution, two fixing rings are fixed on the same side of each slider.

In the technical scheme, the folding rods are arranged in two groups and are symmetrically arranged.

In the technical scheme, the base is provided with a groove, the bottom end of the lower connecting rod is rotatably connected to the positioning piece in the groove, and the top end of the upper connecting rod is rotatably connected to the positioning piece at the back of the display board.

In the above technical scheme, each of the two ends of the positioning member is formed with a positioning hole for inserting the fastening bolt, and the top of each positioning member is formed with a connecting hole connected with a corresponding connecting hole formed on the upper connecting rod or the lower connecting rod through the rotating shaft.

In the technical scheme, the bottom of the base is fixedly provided with the anti-skidding rubber mat.

In the technical scheme, the base is fixedly provided with the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. with the help of the utility model discloses a teaching aid, the teacher can demonstrate the problem that line order and line in-process need notice between the circuit board, has expanded the explanation scope for more deep understanding student content of giving lessons optimizes the teaching effect.

2. The circuit board can effectively fix a position, avoids the teacher to hold the explanation for a long time, labour saving and time saving. The occupied space of folding accomodating is little, and portable satisfies the teaching needs. The mechanical structure is simple, no special training is needed, the operation is convenient, the manufacturing cost is low, and the device can be popularized and applied in a large range.

3. The multifunctional connecting device is suitable for circuit board connection teaching of different sizes and different numbers of blocks, teachers can adjust the positions of the sliding blocks according to teaching needs, the using mode is flexible and changeable, and the application range is wide.

Drawings

Fig. 1 shows a schematic structural diagram (demonstration state) of the teaching aid of the present invention.

Fig. 2 is a front view of the display board.

Fig. 3 is a schematic structural diagram (folded state) of the teaching aid of the present invention.

Fig. 4 is a schematic structural view of the folding rod and the positioning member.

In the figure: 1-base, 2-display board, 3-upper connecting rod, 4-lower connecting rod, 5-sliding rail, 6-sliding block, 7-fixing ring, 8-fixing hole position, 9-back board, 10-slot, 11-groove, 12-positioning piece, 13-positioning hole, 14-rotating shaft, 15-lifting handle, 16-fixing pin and 17-butterfly nut and bolt component.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

The utility model provides an use teaching aid for electronic technology teaching, includes base 1 and collapsible assembly in panel 2 on the base 1, wherein:

one side of the display board 2 is hinged to one side of the base 1 through a hinge, the other side of the display board 2 is connected to the other side of the base 1 through a folding rod, the folding rod comprises an upper connecting rod 3 and a lower connecting rod 4, the opposite far ends of the upper connecting rod 3 and the lower connecting rod 4 are respectively hinged to the back of the display board 2 and the upper surface of the base 1, and the opposite near ends of the upper connecting rod 3 and the lower connecting rod 4 are rotatably connected and fastened through a butterfly nut and bolt assembly 17;

be equipped with four slide rails 5 on panel 2, four slide rails 5 are "mouthful" font and arrange, each a plurality of fixed hole site 8, and each have evenly been arranged in the outside of slide rail 5 be equipped with on slide rail 5 rather than sliding connection's slider 6, one side of slider 6 is fixed with solid fixed ring 7, and fixed pin 16 can pass gu fixed ring 7 with fixed hole site 8 will slider 6 is fixed in on panel 2, be fixed with the location portion that is used for fixed circuit board on each slider 6.

The use method of the teaching aid comprises the following steps:

step 1, lifting a display board 2 from a base 1 to a proper inclination angle, fastening an upper connecting rod 3 and a lower connecting rod 4 by using a butterfly nut and bolt assembly 17, and fixing the display board 2 to a certain angle, so that a student can watch the display board conveniently;

step 2, adjusting the positions of the sliding blocks 6 on the sliding rails 5 according to the sizes of the circuit boards, for example, when two circuit boards needing to be connected are small, the sliding blocks 6 on two adjacent edges in the shape of a Chinese character 'kou' can be close to each other and then fixed when the connecting line is short, for example, when two circuit boards needing to be connected are large, and when the connecting line is long, the sliding blocks 6 on two adjacent edges in the shape of a Chinese character 'kou' can be far away from each; in addition, when a plurality of circuit boards need to be connected, the positions of the sliding blocks 6 are adjusted as required, for example, when three circuit boards are needed, the positions of the three sliding blocks 6 are adjusted as required, and the multifunctional connecting device is diversified in function and suitable for connection of circuit boards with different sizes and different numbers;

step 3, after the position of the sliding block 6 is adjusted, fixing the side edge of the sliding block 6 on the display board 2 by using the fixing pin 16 for positioning, and then fixing the circuit board on the positioning part;

step 4, the teacher connects the electric connecting wires in sequence and explains while connecting;

step 5, after the demonstration is finished, disassembling the electric connecting wires and taking down the circuit boards from the corresponding positioning parts one by one;

and 6, loosening the butterfly nut, folding the folding rod to the state shown in figure 3, and attaching the display board 2 to the base 1 for next use.

Example 2

For good fixation of the circuit board, the positioning part includes a back plate 9 fixed on the slider 6 and a slot 10 formed at a lower portion of the back plate 9 for inserting the circuit board.

Due to the sheet-shaped structure of the circuit board, it is sufficient to insert it into the slot 10 while fixing its position.

Furthermore, a vacuum chuck is fixed on the back plate 9. After the circuit board is inserted into the slot 10, it is slightly pressed and the position is fixed again by the vacuum chuck to prevent the circuit board from shifting during wiring.

The slide block 6 and the slide rail can be realized in any mode, preferably, the slide rail can be an optical axis slide rod, two ends of the optical axis slide rod are fixed on the display board 2 through the upright posts, and the slide block 6 is sleeved on the optical axis slide rod in a penetrating mode. The position of the slide block 6 is convenient to adjust.

For the good positioning of the sliding blocks 6, two fixing rings 7 are fixed on the same edge of each sliding block 6, so that the sliding blocks 6 are stably fixed on the display board 2.

Example 3

In order to play good supporting effect, the folding rod is provided with two sets of and symmetry setting, guarantees that panel 2 is supported well, and the holding power is more balanced.

For the good exhibition board 2 of accomodating, be formed with recess 11 on the base 1, the bottom of lower connecting rod 4 rotate connect in on the setting element 12 in the recess 11, the top of going up connecting rod 3 rotate connect in on the setting element 12 at exhibition board 2 back.

When the folding rod is in a folding state, the folding rod is positioned in the groove 11, so that the occupied space of the teaching aid is saved when the teaching aid is stored.

The two ends of each positioning member 12 are formed with positioning holes 13 into which fastening bolts are inserted, and the top of each positioning member 12 is formed with a connecting hole, which is connected to a corresponding connecting hole formed on the upper connecting rod 3 or the lower connecting rod 4 through a rotating shaft 14.

The positioning piece 12 is correspondingly fixed in the groove 11 and the back of the back plate 9 through fastening bolts, and then is hinged with the lower connecting rod 4 or the upper connecting rod 3, so that the folding function is realized.

In order to prevent the base 1 from shifting during the demonstration, an anti-skid rubber mat is fixed at the bottom of the base 1.

Use the show face of panel 2 as preceding, set up the one side of slide rail slide promptly for preceding, for the convenience of carrying this teaching aid, be fixed with handle 15 on the base 1, handle 15 is located the front portion of base 1. When the teacher carries this teaching aid for the folding rod is in fold condition, then portable handle 15, portable.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an use teaching aid for electronic technology teaching which characterized in that, including base and collapsible assembly in panel on the base, wherein:

2. A teaching aid as claimed in claim 1, wherein the positioning portion includes a back plate fixed to the slider and a slot formed in a lower portion of the back plate for insertion of a circuit board.

3. A teaching aid as claimed in claim 2, wherein a vacuum cup is secured to the back plate.

4. A teaching aid for teaching purpose according to claim 1, wherein the slide rail is an optical axis slide rod, two ends of the optical axis slide rod are fixed on the display board through a column, and the slide block is sleeved on the optical axis slide rod.

5. A teaching aid as claimed in claim 1, wherein two retaining rings are secured to the same side of each slide.

6. A teaching aid as claimed in claim 1, wherein the folding bars are arranged in two sets and are symmetrically arranged.

7. A teaching aid for teaching purposes using electronic techniques as claimed in claim 1, wherein the base is formed with a recess, the bottom end of the lower connecting rod is pivotally connected to a positioning member in the recess, and the top end of the upper connecting rod is pivotally connected to a positioning member at the back of the board.

8. A teaching aid as claimed in claim 7, wherein each of the positioning members has positioning holes formed at both ends thereof for insertion of fastening bolts, and each of the positioning members has a connecting hole formed at a top thereof to be connected to a corresponding connecting hole formed in the upper connecting rod or the lower connecting rod through a rotating shaft.

9. A teaching aid as claimed in claim 1, wherein a non-slip rubber pad is fixed to the bottom of the base.

10. A teaching aid as claimed in claim 1, wherein a handle is secured to the base.