CN211000641U - High school geography teaching auxiliary device - Google Patents
High school geography teaching auxiliary device Download PDFInfo
- Publication number
- CN211000641U CN211000641U CN201821578667.XU CN201821578667U CN211000641U CN 211000641 U CN211000641 U CN 211000641U CN 201821578667 U CN201821578667 U CN 201821578667U CN 211000641 U CN211000641 U CN 211000641U
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- China
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- rack
- gear
- wall
- high school
- fixedly connected
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Abstract
The utility model discloses a high school geography teaching auxiliary device, the on-line screen storage device comprises a base, the upper end fixedly connected with dead lever of base, the upper end of dead lever is equipped with the spout, it is connected with the pivot to rotate between the relative inner wall of spout, coaxial fixedly connected with first gear and second gear in the pivot, the inner wall sliding connection of spout has the first rack with first gear engaged with. The utility model discloses a step on the footboard, the footboard moves down and drives the second rack through the rope and move down, and the second rack moves down and drives the second gear rotation, and the second gear rotation drives the pivot rotation, and the pivot rotation drives the first gear rotation, and the first gear rotation drives the second rack and rises, and the second rack rises and makes the blank rise, and it is also convenient that the student watches to be convenient for, has improved the efficiency of giving lessons; and when a switch of the negative pressure fan is opened, the negative pressure fan can adsorb chalk dust, and the adsorbed chalk dust enters the storage box through the communicating cavity, so that the chalk box is convenient and practical.
Description
Technical Field
The utility model relates to a teaching equipment technical field especially relates to high school geography teaching auxiliary device.
Background
The height that current high school geography teaching auxiliary device can not come adjusting device according to the teaching demand, part teacher especially girl teacher is difficult for reaching when using, and the height that the high school geography teaching auxiliary device of part ability height-adjusting need insert the electricity or need rotate the runner and come adjusting device, but girl teacher's strength is less, is difficult to rotate relevant mechanism, and the classroom internal power is located podium department, if geography teaching auxiliary device places and then is unfavorable for marginal student and watches in podium department.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an auxiliary device for geography teaching in high school.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the high school geography teaching auxiliary device comprises a base, wherein a fixed rod is fixedly connected to the upper end of the base, a sliding groove is formed in the upper end of the fixed rod, a rotating shaft is rotatably connected between the opposite inner walls of the sliding groove, a first gear and a second gear are coaxially and fixedly connected to the rotating shaft, a first rack meshed with the first gear is slidably connected to the inner wall of the sliding groove, a movable rod is fixedly connected to the upper end of the first rack, a strip-shaped groove communicated with the sliding groove is formed in the side wall of the fixed rod, a second rack meshed with the second gear is slidably connected to the inner wall of the strip-shaped groove, a groove is formed in the upper end of the base, a pedal is rotatably connected to the inner wall of the groove, one end, away from the inner wall of the groove, of the pedal is fixedly connected to the lower end of the second rack through a rope, and a fixing device for fixing the movable rod is arranged on the side wall of the fixed rod.
Preferably, dust collector is including setting up the mounting groove at the blank lateral wall, the sealing installation has negative-pressure air fan in the mounting groove, the lower extreme lateral wall of blank is equipped with the opening, open-ended inner wall passes through intercommunication chamber and mounting groove intercommunication, sliding connection has the storage box in the opening.
Preferably, a clip is fixedly connected to one side of the whiteboard.
Preferably, the fixing device comprises an insertion rod penetrating through the side wall of the fixing rod, and a plurality of slots corresponding to the insertion rod are formed in the side wall of the movable rod at equal intervals along the vertical direction.
Preferably, the lower end of the base is provided with a travelling wheel.
Preferably, the movable rod is made of stainless steel.
The utility model discloses following beneficial effect has:
1. by stepping on and pressing the pedal, the pedal moves downwards to drive the second rack to move downwards through the rope, the second rack moves downwards to drive the second gear to rotate, the second gear rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the first gear to rotate, the first gear rotates to drive the second rack to ascend, the second rack ascends to enable the white board to ascend, students can watch conveniently, the height of the device can be adjusted conveniently by female teachers, and the teaching efficiency is improved;
2. through opening negative-pressure air fan's switch, negative-pressure air fan can adsorb chalk dust, and the chalk dust of adsorption gets into in the storage box through the intercommunication chamber, convenient and practical.
Drawings
Fig. 1 is a schematic structural view of the high school geography teaching auxiliary device provided by the utility model;
fig. 2 is a schematic side view of the fixing rod of the auxiliary device for geography teaching in high school according to the present invention;
fig. 3 is an enlarged schematic view of a structure in fig. 1.
In the figure: 1 base, 2 inserted bars, 3 grooves, 4 pedals, 5 second gears, 6 movable rods, 7 fixed rods, 8 storage boxes, 9 negative-pressure fans, 10 clamping pieces, 11 white boards, 12 chutes, 13 first racks, 14 second racks, 15 strip-shaped grooves, 16 first gears, 17 rotating shafts and 18 traveling wheels.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the teaching aid for geography in high school comprises a base 1, a walking wheel 18 is installed at the lower end of the base 1, a fixed rod 7 is fixedly connected to the upper end of the base 1, a sliding groove 12 is formed in the upper end of the fixed rod 7, a rotating shaft 17 is rotatably connected between the opposite inner walls of the sliding groove 12, a first gear 16 and a second gear 5 are coaxially and fixedly connected to the rotating shaft 17, wherein the second gear 5 is fixedly connected to the rotating shaft 17 through a one-way bearing, a first rack 13 meshed with the first gear 16 is slidably connected to the inner wall of the sliding groove 12, a movable rod 6 is fixedly connected to the upper end of the first rack 13, the movable rod 6 is made of stainless steel, a strip-shaped groove 15 communicated with the sliding groove 12 is formed in the side wall of the fixed rod 7, a second rack 14 meshed with the second gear 5 is slidably connected to the inner wall of the strip-, the upper end of base 1 is equipped with recess 3, and the inner wall of recess 3 rotates and is connected with footboard 4, and rope fixed connection is passed through at the lower extreme of second rack 14 to the one end that recess 3 inner wall was kept away from to footboard 4, and the upper end fixedly connected with blank 11 of movable rod 6, one side fixedly connected with clamping piece 10 of blank 11.
Dust collector is installed to whiteboard 11's lateral wall, and dust collector installs negative-pressure air fan 9 including setting up the mounting groove at whiteboard 11 lateral wall, and mounting groove internal seal, and whiteboard 11's lower extreme lateral wall is equipped with the opening, and open-ended inner wall passes through intercommunication chamber and mounting groove intercommunication, and sliding connection has storage box 8 in the opening.
The fixing device for fixing the movable rod 6 is installed on the side wall of the fixing rod 7, the fixing device comprises an insertion rod 2 penetrating through the side wall of the fixing rod 7, and a plurality of slots corresponding to the positions of the insertion rod 2 are formed in the side wall of the movable rod 6 at equal intervals in the vertical direction.
The utility model discloses in, during the use, the teacher is if need adjust whiteboard 11's height, stimulate inserted bar 2 earlier, make inserted bar 2 break away from the slot, then step on and press footboard 4, footboard 4 moves down and drives second rack 14 downstream through the rope, second rack 14 downstream drives second gear 5 and rotates, second gear 5 rotates and drives pivot 17 and rotate, pivot 17 rotates and drives first gear 16 and rotates, first gear 16 rotates and drives second rack 14 and rise, second rack 14 rises and makes whiteboard 11 rise, then insert slot with inserted bar 2, and then highly fix whiteboard 11.
Simultaneously when using, the teacher's accessible opens negative-pressure air fan 9's switch, and negative-pressure air fan 9 can adsorb the chalk dust, and the absorbent chalk dust passes through in the intercommunication chamber gets into storage box 8.
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.
Claims (6)
1. The high school geography teaching auxiliary device comprises a base (1) and is characterized in that a fixed rod (7) is fixedly connected to the upper end of the base (1), a sliding groove (12) is formed in the upper end of the fixed rod (7), a rotating shaft (17) is rotatably connected between the inner walls, opposite to the sliding groove (12), a first gear (16) and a second gear (5) are coaxially and fixedly connected to the rotating shaft (17), a first rack (13) meshed with the first gear (16) is connected to the inner wall of the sliding groove (12) in a sliding mode, a movable rod (6) is fixedly connected to the upper end of the first rack (13), a strip-shaped groove (15) communicated with the sliding groove (12) is formed in the side wall of the fixed rod (7), a second rack (14) meshed with the second gear (5) is connected to the inner wall of the strip-shaped groove (15) in a sliding mode, a groove (3) is formed in the, the inner wall of recess (3) rotates and is connected with footboard (4), the one end that recess (3) inner wall was kept away from in footboard (4) passes through rope fixed connection at the lower extreme of second rack (14), the upper end fixedly connected with blank (11) of movable rod (6), dust collector is installed to the lateral wall of blank (11), the fixing device who is used for fixed movable rod (6) is installed to the lateral wall of dead lever (7).
2. The auxiliary device for teaching of high school geography according to claim 1, wherein the dust removing device comprises a mounting groove arranged on the side wall of the white board (11), a negative pressure fan (9) is mounted in the mounting groove in a sealing manner, an opening is formed in the side wall of the lower end of the white board (11), the inner wall of the opening is communicated with the mounting groove through a communicating cavity, and a storage box (8) is connected in the opening in a sliding manner.
3. The teaching aid for high school geography according to claim 1, characterized in that a clip (10) is fixedly attached to one side of the white board (11).
4. The auxiliary device for teaching of high school geography according to claim 1, characterized in that the fixing device comprises an insert rod (2) penetrating through the side wall of the fixed rod (7), and the side wall of the movable rod (6) is provided with a plurality of slots corresponding to the positions of the insert rod (2) at equal intervals along the vertical direction.
5. The high school geography teaching aid according to claim 1, wherein a walking wheel (18) is mounted at the lower end of the base (1).
6. High school geography teaching aid according to claim 1, characterized in that the movable bar (6) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578667.XU CN211000641U (en) | 2018-09-27 | 2018-09-27 | High school geography teaching auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821578667.XU CN211000641U (en) | 2018-09-27 | 2018-09-27 | High school geography teaching auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211000641U true CN211000641U (en) | 2020-07-14 |
Family
ID=71496679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821578667.XU Expired - Fee Related CN211000641U (en) | 2018-09-27 | 2018-09-27 | High school geography teaching auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211000641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955931A (en) * | 2020-08-17 | 2020-11-20 | 中南林业科技大学 | Old man's helping hand is hung and is worn to take off integration wardrobe |
| CN113236928A (en) * | 2021-05-13 | 2021-08-10 | 深圳腾河智慧科技有限公司 | Lifting type 5G customer information acquisition device for telecommunication |
-
2018
- 2018-09-27 CN CN201821578667.XU patent/CN211000641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955931A (en) * | 2020-08-17 | 2020-11-20 | 中南林业科技大学 | Old man's helping hand is hung and is worn to take off integration wardrobe |
| CN113236928A (en) * | 2021-05-13 | 2021-08-10 | 深圳腾河智慧科技有限公司 | Lifting type 5G customer information acquisition device for telecommunication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20210927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |