CN212787750U

CN212787750U - Display device for junior middle school physics teaching

Info

Publication number: CN212787750U
Application number: CN202021505521.XU
Authority: CN
Inventors: 张双红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-26
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a display device for junior middle school's physical teaching, including the portable box, the upper end fixed mounting of portable box has a handle, the equal fixed mounting in lower extreme four corners of portable box has a supporting seat, the left end upper portion and the right-hand member lower part of portable box are connected with a left chamber door and a right chamber door through the hinge rotation respectively, the front end interlude of portable box is connected with an actuating mechanism, upper portion and lower part have been opened respectively one and have been gone up spread groove and one lower spread groove in the portable box, go up respectively sliding connection have one go up movable box and one lower movable box in spread groove and the lower spread groove, and go up movable box and all be connected with the actuating mechanism transmission with lower movable box. A display device for junior middle school's physical teaching, experiment content is abundant, is favorable to transferring student's enthusiasm, is convenient for accomodate, occupation space is little, and plays guard action, safe and reliable to experimental facilities.

Description

Display device for junior middle school physics teaching

Technical Field

The utility model relates to a teaching equipment technical field, in particular to display device is used in junior middle school's physical teaching.

Background

Under the requirement of changing a new physical class into a background, the exploration type interactive teaching is more and more important in the physical class teaching, and some physical class interactive teaching strategies are provided for better experiencing the fun brought by the physics, wherein the strategies are guided by a plurality of vivid and interesting cases to stimulate the enthusiasm of student interaction; students participate in teaching experiments to enhance the interaction effect and implement diversified interactive teaching; the students are guided to actively interact with the language which is easy to understand in a shallow display mode.

In order to realize that these tactics we will be with the help of the interactive display device of some physical teaching, current device especially experiment interactive display device is bulky, accomodates and preserves comparatively troublesome, and the chance that the student contacted the experiment is less, can't mobilize student's enthusiasm to experiment interactive display device, the experiment content is comparatively single, and the device can't satisfy multiple experiment requirement, so, we provide a neotype interactive display device based on physical teaching.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a display device for junior middle school's physical teaching can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a display device for junior middle school's physics teaching, includes the portable box, the upper end fixed mounting of portable box has a handle, the equal fixed mounting in lower extreme four corners of portable box has a supporting seat, the left end upper portion and the right-hand member lower part of portable box rotate through the hinge respectively and are connected with a left chamber door and a right chamber door, the front end interlude of portable box is connected with a actuating mechanism, upper portion and lower part have been opened respectively one and have been gone up spread groove and one lower spread groove in the portable box, it is corresponding with the position of left chamber door and right chamber door respectively with lower spread groove to go up the spread groove, sliding connection has one respectively in last spread groove and the lower spread groove and moves about box and one and move about the box down, and go up the box that moves about and move about.

Preferably, an upper sliding groove is formed in the middle of the lower groove wall of the upper connecting groove, a lower sliding groove is formed in the middle of the upper groove wall of the lower connecting groove, a transmission groove is formed in the middle of the inside of the portable box, and the transmission groove is communicated with the inner portions of the upper sliding groove and the lower sliding groove.

Preferably, the driving mechanism comprises a rotating rod, the rear end of the rotating rod is movably connected with the rear groove wall of the transmission groove through a bearing, the middle part of the rotating rod is fixedly connected with a transmission gear, and the front end of the front-end portable box of the rotating rod is fixedly connected with a rocker.

Preferably, the lower extreme fixed welding of going up movable box has one to go up the transmission rack, the upper end demountable installation of going up movable box has one to beat a timer, go up movable box swing joint and go up transmission rack sliding connection in last spread groove and go up in the spout.

Preferably, the upper end left part fixed welding of activity box down has a lower drive rack, lower drive rack and last drive rack are symmetry about respectively, a track, No. two tracks and No. three tracks of lower extreme fixedly connected with of lower drive rack, and No. two tracks are located between a track and No. three tracks, the right cell wall fixed mounting of activity box has three inductor down, activity box swing joint is under in the spread groove and down drive rack sliding connection under in the spout.

Preferably, the diameter size of the transmission gear is smaller than that of the transmission groove, and the transmission gear is located between the upper sliding groove and the lower sliding groove and meshed with the upper transmission rack and the lower transmission rack.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a, through set up the timer of dotting on the upper end of last activity box, can drive students study the knowledge point of acceleration, find the acceleration through the round hole distance that the timer of dotting left on the note, can place the same three bobble in second track, third track and inductor simultaneously, obtain the relation of frictional force and roughness through the time of bobble and inductor contact, through operation and experimental teaching, increase the interest in classroom, be favorable to mobilizing student's enthusiasm;

two, the utility model discloses in, through being connected actuating mechanism and last activity box and lower activity box transmission, can slide at last spread groove and lower spread groove with lower activity box through rocking the rocker messenger, with its roll-off show during the use, accomodate it when not using, reduce occupation space, and play guard action, safe and reliable to experimental facilities.

Drawings

FIG. 1 is a schematic view of the overall structure of a display device for junior middle school physics teaching of the present invention;

FIG. 2 is a schematic view of the internal structure of a portable case of the display device for junior middle school physics teaching of the present invention;

FIG. 3 is a cross-sectional view of the portable box of the display device for junior middle school physics teaching of the present invention;

FIG. 4 is a schematic view of the overall structure of the upper movable box of the display device for junior middle school physics teaching of the present invention;

fig. 5 is the utility model relates to a junior middle school is overall structure schematic diagram of display device's lower activity box for physical teaching.

In the figure: 1. a portable case; 2. a handle; 3. a supporting seat; 4. a left box door; 5. a drive mechanism; 6. a right box door; 7. an upper movable box; 8. a lower movable box; 9. a dotting timer; 11. an upper connecting groove; 12. a lower connecting groove; 13. an upper chute; 14. a lower chute; 15. a transmission groove; 51. a rotating rod; 52. a rocker; 53. a transmission gear; 71. uploading a transmission rack; 81. a lower drive rack; 82. a first track; 83. track number two; 84. track number three; 85. an inductor.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, a display device for junior middle school physics teaching comprises a portable box 1, a handle 2 is fixedly installed at the upper end of the portable box 1, a supporting seat 3 is fixedly installed at four corners of the lower end of the portable box 1, a left box door 4 and a right box door 6 are respectively connected to the upper portion of the left end and the lower portion of the right end of the portable box 1 through hinges in a rotating manner, a driving mechanism 5 is connected to the front end of the portable box 1 in an inserting manner, an upper connecting groove 11 and a lower connecting groove 12 are respectively formed in the upper portion and the lower portion of the portable box 1, the upper connecting groove 11 and the lower connecting groove 12 correspond to the left box door 4 and the right box door 6 in position, an upper movable box 7 and a lower movable box 8 are respectively connected to the upper connecting groove 11 and the lower connecting groove 12 in a sliding manner, and the upper movable box 7 and.

An upper chute 13 is arranged in the middle of the lower chute wall of the upper connecting chute 11, a lower chute 14 is arranged in the middle of the upper chute wall of the lower connecting chute 12, a transmission chute 15 is arranged in the middle of the portable case 1, and the transmission chute 15 is communicated with the inner parts of the upper chute 13 and the lower chute 14; the driving mechanism 5 comprises a rotating rod 51, the rear end of the rotating rod 51 is movably connected with the rear groove wall of the transmission groove 15 through a bearing, the middle part of the rotating rod 51 is fixedly connected with a transmission gear 53, and the front end of the portable box 1 at the front end of the rotating rod 51 is fixedly connected with a rocker 52; an upper transmission rack 71 is fixedly welded at the lower end of the upper movable box 7, a dotting timer 9 is detachably mounted at the upper end of the upper movable box 7, the upper movable box 7 is movably connected in an upper connecting groove 11, and the upper transmission rack 71 is slidably connected in an upper sliding groove 13; a lower transmission rack 81 is fixedly welded at the left part of the upper end of the lower movable box 8, the lower transmission rack 81 and the upper transmission rack 71 are respectively and vertically symmetrical, the lower end of the lower transmission rack 81 is fixedly connected with a first track 82, a second track 83 and a third track 84, the second track 83 is positioned between the first track 82 and the third track 84, the friction coefficients of the bottom surfaces of the lower transmission rack 81, the first track 82 and the second track 83 are different, three sensors 85 are fixedly arranged on the right groove wall of the lower movable box 8 and used for sensing small balls to be contacted with the lower movable box, the lower movable box 8 is movably connected in the lower connecting groove 12, and the lower transmission rack 81 is slidably connected in the lower sliding groove 14; the diameter of the transmission gear 53 is smaller than that of the transmission groove 15, the transmission gear 53 is located between the upper sliding groove 13 and the lower sliding groove 14 and meshed with the upper transmission rack 71 and the lower transmission rack 81, and the transmission gear 53 rotates to drive the upper movable box 7 and the lower movable box 8 to slide in the corresponding upper connection groove 11 and the corresponding lower connection groove 12.

It should be noted that, the utility model relates to a display device for junior middle school's physical teaching, in the physical teaching use, can open left chamber door 4 and right chamber door 6, wave rocker 52 and make bull stick 51 rotate, drive gear 53 through bull stick 51 and rotate and mesh with last transmission rack 71 and lower transmission rack 81, thereby it drives movable box 7 roll-off in last spread groove 11 to drive through last transmission rack 71 sliding connection in last spout 13, slide off in lower spout 14 through lower transmission rack 81 and drive movable box 8 roll-off in lower spread groove 12 down, show upper movable box 7 and lower movable box 8 simultaneously, can drive the knowledge point of students's study acceleration through the dotting time-recorder 9 of upper end of upper movable box 7, find the acceleration through the round hole distance that dotting time-recorder 9 left on the paper slip, can place the same three bobble simultaneously in No. 83 track 83, In No. three track 84 and inductor 85, the time through bobble and inductor 85 contact reachs the relation of frictional force and roughness, through operation and experimental teaching, increases the interest in classroom, is favorable to mobilizing student's enthusiasm, and after the classroom, can reverse through rocker 52 wave and accomodate last activity box 7 and lower activity box 8 to portable box 1 in, reduce occupation space, and play guard action, safe and reliable to the experimental facilities.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a display device is used in junior middle school's physics teaching, includes portable case (1), its characterized in that: a handle (2) is fixedly arranged at the upper end of the portable box (1), a supporting seat (3) is fixedly arranged at four corners of the lower end of the portable box (1), the upper part of the left end and the lower part of the right end of the portable box (1) are respectively connected with a left box door (4) and a right box door (6) through hinges in a rotating way, the front end of the portable box (1) is connected with a driving mechanism (5) in an inserting way, the upper part and the lower part in the portable box (1) are respectively provided with an upper connecting groove (11) and a lower connecting groove (12), the upper connecting groove (11) and the lower connecting groove (12) respectively correspond to the left box door (4) and the right box door (6), an upper movable box (7) and a lower movable box (8) are respectively connected in the upper connecting groove (11) and the lower connecting groove (12) in a sliding way, and the upper movable box (7) and the lower movable box (8) are in transmission connection with the driving mechanism (5).

2. The display device for junior middle school physics teaching of claim 1, characterized in that: go up the lower cell wall middle part of spread groove (11) and open and to have one and go up spout (13), the last cell wall middle part of spread groove (12) is opened down and is had one lower spout (14), the middle part is opened in portable box (1) has one transmission groove (15), and transmission groove (15) communicate with each other with the inside of going up spout (13) and lower spout (14).

3. The display device for junior middle school physics teaching of claim 1, characterized in that: the driving mechanism (5) comprises a rotating rod (51), the rear end of the rotating rod (51) is movably connected with the rear groove wall of the transmission groove (15) through a bearing, the middle of the rotating rod (51) is fixedly connected with a transmission gear (53), and the front end of the front-end portable box (1) of the rotating rod (51) is fixedly connected with a rocker (52).

4. The display device for junior middle school physics teaching of claim 1, characterized in that: go up the lower extreme fixed welding of activity box (7) and have an upper transmission rack (71), the upper end demountable installation of going up activity box (7) has one to beat a timer (9), go up activity box (7) swing joint and go up transmission rack (71) sliding connection in last spout (13) in last spread groove (11).

5. The display device for junior middle school physics teaching of claim 1, characterized in that: the fixed welding of the upper end left part of lower activity box (8) has a lower drive rack (81), symmetry is respectively about lower drive rack (81) and last drive rack (71), track (82), track (83) and track (84) No. two of lower extreme fixedly connected with of lower drive rack (81), and track (83) are located between track (82) and track (84) No. three, the right cell wall fixed mounting of lower activity box (8) has three inductor (85), under activity box (8) swing joint under in spread groove (12) and under drive rack (81) sliding connection under in spout (14).

6. A presentation device for junior middle school physics teaching according to claim 3, characterized in that: the diameter size of the transmission gear (53) is smaller than that of the transmission groove (15), and the transmission gear (53) is located between the upper sliding groove (13) and the lower sliding groove (14) and meshed with the upper transmission rack (71) and the lower transmission rack (81).