CN211403734U - Education project is with show board that has liftable alternative structure - Google Patents
Education project is with show board that has liftable alternative structure Download PDFInfo
- Publication number
- CN211403734U CN211403734U CN202020116699.9U CN202020116699U CN211403734U CN 211403734 U CN211403734 U CN 211403734U CN 202020116699 U CN202020116699 U CN 202020116699U CN 211403734 U CN211403734 U CN 211403734U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- board
- roller
- liftable
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Toys (AREA)
Abstract
The utility model relates to an educational program is with show board that has liftable replacement structure, include: base, backup pad, plate body, elevating system and coupling mechanism, the vertical setting of backup pad is in the base upper end, the vertical setting of plate body, its show face orientation is kept away from one side of base, elevating system installs in the backup pad, and can follow the backup pad reciprocates, coupling mechanism's one end with the plate body is close to a side fixed connection of base, coupling mechanism's the other end with elevating system keeps away from one side of base is connected. The display board with the liftable replacement structure for the educational program has the lifting function, can effectively adjust the height of the display board, and can adjust the height of the display board body according to the requirement of display contents.
Description
Technical Field
The utility model relates to a teaching aid's technical field especially relates to an education project is with show board that has liftable replacement structure.
Background
In the education and teaching process, the teacher can use the show board to teach different contents for the student, because the teacher's of giving lessons height has other, the student angle in the classroom simultaneously has other, if adopt general fixed show board then can not satisfy different teachers' actual demand.
In order to solve the problem that the height and the angle of a display board cannot be adjusted due to the fact that the display board body is fixed, and achieve efficient teaching, the inventor adopts multiple tests and modifications to obtain the following invention.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a display board with a liftable and replaceable structure for educational programs, aiming at the problem that the height and angle of the display board for fixing the board body cannot be adjusted.
A presentation board with liftable alternative structure for educational program, comprising: base, backup pad, plate body, elevating system and coupling mechanism, the vertical setting of backup pad is in the base upper end, the vertical setting of plate body, its show face orientation is kept away from one side of base, elevating system installs in the backup pad, and can follow the backup pad reciprocates, coupling mechanism's one end with the plate body is close to a side fixed connection of base, coupling mechanism's the other end with elevating system keeps away from one side of base is connected.
Above-mentioned educational objective is with show board that has liftable replacement structure, and elevating system can drive the plate body and reciprocate at the length direction of backup pad, and the user can be according to the show content of reality, and the height of show board plate body is in time adjusted to the show crowd that faces to adapt to actual demand.
In one embodiment, the lifting mechanism comprises a box body, a motor, a first roller, a second roller, a first rotating shaft and a second rotating shaft, the box body is hollow, the upper and lower side surfaces of the first rotary shaft are provided with through holes for the supporting plate to pass through, the first rotary shaft and the second rotary shaft are both horizontally arranged, the first rotating shaft and the second rotating shaft are correspondingly arranged at two opposite sides of the supporting plate, two ends of the first rotating shaft are movably connected with two opposite side surfaces of the box body, two ends of the second rotating shaft are movably connected with two opposite side surfaces of the box body, the first roller wheel is coaxially sleeved on the first rotating shaft, the second roller is coaxially sleeved on the second rotating shaft, the first roller and the second roller are respectively abutted with the corresponding side surfaces of the supporting plate, the motor is fixedly installed on the box body, and the output end of the motor is in transmission connection with the second roller.
Above-mentioned educational objective is with show board that has liftable replacement structure, drives the second gyro wheel through the motor and rotates, and the second gyro wheel removes along backup pad length direction, and then realizes upgrading device's lift, and first gyro wheel and second gyro wheel press from both sides the backup pad in the middle of for elevating gear can be stable fix in the backup pad.
In one embodiment, the side surface of the supporting plate corresponding to the first roller is recessed inwards to form a first groove, the first roller abuts against the groove bottom of the first groove, the side surface of the supporting plate corresponding to the second roller is recessed inwards to form a second groove, and the second roller abuts against the groove bottom of the second groove.
Above-mentioned educational program is with show board that has liftable replacement structure, first gyro wheel and first recess phase-match, second gyro wheel and second recess phase-match for second gyro wheel and first gyro wheel all advance in the recess that corresponds, can not take place the skew, and then make elevating gear more stable.
In one embodiment, a rack extending along the length direction of the support plate is arranged at the bottom of the second groove, the second roller is an external gear and is meshed with the rack, a driving wheel is coaxially sleeved on a driving shaft of the motor and is an external gear, and the driving wheel is meshed with the second roller.
Above-mentioned educational objective is with show board that has liftable replacement structure, through the intermeshing of gear and rack, can effectual realization elevating gear's lift.
In one embodiment, the connecting mechanism comprises a first connecting plate, a second connecting plate and a third rotating shaft, the first connecting plate is horizontally arranged and is connected with the side surface of the base away from the box body, the second connecting plate is horizontally arranged and is connected with the side surface of the base close to the plate body, the second connecting plate is located above the first connecting plate, the third rotating shaft is vertically arranged at the upper end of the first connecting plate, a through hole for allowing the upper end of the third rotating shaft to pass through is formed in the plate body of the second connecting plate, and the second connecting plate is sleeved on the third rotating shaft and can rotate around the third rotating shaft.
Furthermore, the outer side wall of the third rotating shaft is provided with external threads, and the inner wall of the through hole of the second connecting plate is provided with internal threads matched with the external threads on the outer side wall of the third rotating shaft.
Above-mentioned education project can rotate around the third pivot with the show board second connecting plate that has liftable replacement structure, and then rotates for first connecting plate, can be according to the demand of reality during the use, and the show angle of the plate body that the manual adjustment second connecting plate is connected, the effectual demand that satisfies different show angles.
In one embodiment, a limiting block is sleeved on the third rotating shaft, and the limiting block is sleeved above the second connecting plate.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a display board with a liftable and replaceable structure for an educational program of the present invention;
FIG. 2 is a top view of an embodiment of a display board with a liftable and lowerable replacement structure for an educational program according to the present invention;
fig. 3 is a schematic view of the internal structure of the lifting mechanism shown in fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a support plate 21, a first groove 22, a second groove; 3. a plate body; 4. the lifting mechanism 41, the box body 42, the through hole 43, the first roller 44, the motor 45, the second roller 46, the second rotating shaft 47, the connecting seat 48 and the driving wheel; 5. the connecting mechanism 51, the first connecting plate 52, the second connecting plate 53, the third rotating shaft 54 and the limiting block.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In one embodiment, as shown in fig. 1 to 3, a display board with a liftable replacement structure for an educational program, comprises: base 1, backup pad 2, plate body 3, elevating system 4 and coupling mechanism 5, base 1 level is placed subaerial, 2 vertical upper ends at base 1 of backup pad, elevating system 4 installs in backup pad 2, and can follow backup pad 2 and reciprocate, the vertical setting of plate body 3, plate body 3 passes through coupling mechanism 5 to be connected with elevating system 4, elevating system 4 reciprocates along backup pad 2 to reciprocate along backup pad 2 through driving coupling mechanism 5 and plate body 3.
In another embodiment, the lifting mechanism 4 comprises a box body 41, a motor 42, a first roller 43 and a second roller 45, the box body 41 is hollow, through holes 42 for the support plate 2 to pass through are formed in the upper side surface and the lower side surface of the box body 41, one side of the box body 41 close to the display board 3 is the front side, the first roller 43 and the second roller 45 are symmetrically arranged on two sides of the support plate 2, further, the first roller 43 and the second roller 45 are preferably arranged on the front side and the rear side of the support plate 2, and both the first roller 43 and the second roller 45 are abutted against the support plate 2 and move up and down along the length direction of the support plate 2 under the action of external; the first roller 43 and the second roller 45 are installed inside the box body 41 as shown in fig. 2, the first roller 43 is coaxially sleeved on the first rotating shaft, the inner side of the front side wall of the box body 41 is provided with two installation positions extending inwards at intervals in the left-right direction, two ends of the first rotating shaft are rotatably installed on the two installation positions, the first roller 43 abuts against the outer side surface of the supporting plate 2, the left side wall and the right side wall inside the box body 41 are respectively provided with an installation seat 47, the second rotating shaft 46 is horizontally arranged in the left-right direction, two ends of the second rotating shaft 46 are rotatably connected with the two installation seats 47, the second roller 45 is coaxially sleeved on the second rotating shaft 46, the second roller 45 abuts against the rear side surface of the supporting plate 2, the inner wall of the box body 41 is fixedly provided with a motor 44, the output end of the motor 44 is coaxially sleeved with a driving wheel 48, and the driving wheel.
Further, a first recess 21 is formed on the rear side surface of the support plate 2 along the length direction thereof, a rack extending along the length direction thereof is provided in the first recess 21, the second roller 45 is an external gear, the second roller 45 is engaged with the rack in the first recess 21, the driving wheel 48 is also an external gear, and the driving wheel 48 is engaged with the second roller 45.
When the motor 44 is started, the output end of the motor drives the driving wheel 48 to rotate, and the driving wheel 48 drives the second roller 45 to rotate, so as to drive the second roller 45 to move along the length direction of the first groove 21.
Further, the motor 44 is a servo motor.
In a specific embodiment, as shown in fig. 1 to fig. 3, the connecting mechanism 5 includes a first connecting plate 51, a second connecting plate 52, a third rotating shaft 53 and a limiting block 54, the first connecting plate 51 is horizontally disposed on an outer side surface of the front side of the box body 41, the third rotating shaft 53 is vertically disposed on an upper end surface of the first connecting plate 51, the second connecting plate 51 is disposed above the first connecting plate 51, a through hole for the third rotating shaft 53 to pass through is formed in the second connecting plate 52, the second connecting plate 52 is sleeved on the third rotating shaft 53, the second connecting plate 52 can rotate around the third rotating shaft 53, the plate body 3 is vertically disposed, and a back surface of the plate body is fixedly connected to a side of the second connecting plate 52 far away from the third rotating shaft 53.
Further, a limiting block 54 is coaxially sleeved on the third rotating shaft 53, and the limiting block 54 is sleeved on the third rotating shaft 53 and is located above the second connecting plate 52.
In a specific embodiment, the third rotating shaft 53 is a bolt with an external thread, the second connecting plate 52 is provided with an internal thread hole matched with the third rotating shaft 53, the internal thread hole on the second connecting plate 52 is in threaded connection with the third rotating shaft 53, and the limiting block 54 is a nut in threaded connection with the third rotating shaft 53.
Further, a certain gap is formed between the limiting block 54 and the second connecting plate 52, so that the second connecting plate 52 can freely rotate around the third rotating shaft 53.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.
Claims (7)
1. The utility model provides an educational program is with show board that has liftable replacement structure which characterized in that includes: base, backup pad, plate body, elevating system and coupling mechanism, the vertical setting of backup pad is in the base upper end, the vertical setting of plate body, its show face orientation is kept away from one side of base, elevating system installs in the backup pad, and can follow the backup pad reciprocates, coupling mechanism's one end with the plate body is close to a side fixed connection of base, coupling mechanism's the other end with elevating system keeps away from one side of base is connected.
2. The demonstration board with the liftable and replaceable structure for the educational program according to claim 1, wherein the lifting mechanism comprises a box body, a motor, a first roller, a second roller, a first rotating shaft and a second rotating shaft, the box body is hollow, the upper and lower sides of the box body are provided with through holes for the support board to pass through, the first rotating shaft and the second rotating shaft are horizontally arranged, the first rotating shaft and the second rotating shaft are correspondingly arranged at the two opposite sides of the support board, the two ends of the first rotating shaft are movably connected with the two opposite sides of the box body, the two ends of the second rotating shaft are movably connected with the two opposite sides of the box body, the first roller is coaxially sleeved on the first rotating shaft, the second roller is coaxially sleeved on the second rotating shaft, and the first roller and the second roller are abutted against the corresponding sides of the support board, the motor is fixedly installed on the box body, and the output end of the motor is in transmission connection with the second roller.
3. The demonstration board with the liftable and lowerable alternative structure for educational program according to claim 2, wherein the supporting board is recessed inwardly at a side corresponding to the first roller to form a first groove, the first roller abuts against a groove bottom of the first groove, the supporting board is recessed inwardly at a side corresponding to the second roller to form a second groove, and the second roller abuts against a groove bottom of the second groove.
4. The demonstration board with the liftable and lowerable alternative structure for the educational program according to claim 3, wherein a rack extending along the length direction of the supporting board is disposed at the bottom of the second groove, the second roller is an external gear, the second roller is engaged with the rack, a driving wheel is coaxially sleeved on a driving shaft of the motor, the driving wheel is an external gear, and the driving wheel is engaged with the second roller.
5. The demonstration board with the liftable alternative structure for the educational program according to claim 4, wherein the connecting mechanism comprises a first connecting board, a second connecting board and a third rotating shaft, the first connecting board is horizontally arranged and is connected with the side surface of the base away from the box body, the second connecting board is horizontally arranged and is connected with the side surface of the base close to the board body, the second connecting board is located above the first connecting board, the third rotating shaft is vertically arranged at the upper end of the first connecting board, a through hole for the upper end of the third rotating shaft to pass through is arranged on the board body of the second connecting board, and the second connecting board is sleeved on the third rotating shaft and can rotate around the third rotating shaft.
6. The demonstration board with the liftable and replaceable structure for the educational program according to claim 5, wherein the outer side wall of the third rotating shaft is provided with external threads, and the inner wall of the through hole of the second connecting board is provided with internal threads matched with the external threads on the outer side wall of the third rotating shaft.
7. The demonstration board with the liftable alternative structure for the educational program according to claim 6, wherein a limiting block is sleeved on the third rotating shaft, and the limiting block is sleeved above the second connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020116699.9U CN211403734U (en) | 2020-01-18 | 2020-01-18 | Education project is with show board that has liftable alternative structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020116699.9U CN211403734U (en) | 2020-01-18 | 2020-01-18 | Education project is with show board that has liftable alternative structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211403734U true CN211403734U (en) | 2020-09-01 |
Family
ID=72211339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020116699.9U Expired - Fee Related CN211403734U (en) | 2020-01-18 | 2020-01-18 | Education project is with show board that has liftable alternative structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211403734U (en) |
-
2020
- 2020-01-18 CN CN202020116699.9U patent/CN211403734U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210244718U (en) | Adjustable display device is used in education | |
| CN211181281U (en) | Business english learning device | |
| CN109493651A (en) | A kind of Language for English learning device | |
| CN211403734U (en) | Education project is with show board that has liftable alternative structure | |
| CN203950114U (en) | A kind of whirligig of automatic fine tuning suspension type projector projection angle | |
| CN210440916U (en) | Multimedia mobile teaching demonstration equipment | |
| CN206348952U (en) | A kind of school science Multifunction test table | |
| CN213241513U (en) | Talent training presentation device | |
| CN214541178U (en) | Higher education demonstration board | |
| CN210896158U (en) | Show stand for physical teaching | |
| CN210606225U (en) | Equipment for economic management teaching demonstration | |
| CN208422174U (en) | Teaching sample show stand | |
| CN203864249U (en) | Multifunctional automatic teaching device | |
| CN208335493U (en) | Device is explained and publicised in a kind of teaching of China and foreign countries' history of art | |
| CN111477067A (en) | Picture display device for fine arts teaching | |
| CN218032284U (en) | Projecting apparatus for mathematical education | |
| CN207052132U (en) | A kind of model display device on computer teaching | |
| CN218935861U (en) | Full-lamination touch screen suitable for projector | |
| CN212415101U (en) | Multimedia interactive teaching lectern | |
| CN214947758U (en) | Touch-control booth is apart from display device | |
| CN211628495U (en) | Vocational guidance is with planning display device | |
| CN111210701A (en) | Mathematical matrix teaching model with computer display function | |
| CN219258197U (en) | Manual demonstration work show storage device | |
| CN213024956U (en) | Rotary writing board for teaching | |
| CN214847269U (en) | Think political affairs classroom teaching auxiliary device |
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: 20200901 Termination date: 20210118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |