CN209833111U - Blackboard for electronic information engineering teaching - Google Patents
Blackboard for electronic information engineering teaching Download PDFInfo
- Publication number
- CN209833111U CN209833111U CN201920401023.1U CN201920401023U CN209833111U CN 209833111 U CN209833111 U CN 209833111U CN 201920401023 U CN201920401023 U CN 201920401023U CN 209833111 U CN209833111 U CN 209833111U
- Authority
- CN
- China
- Prior art keywords
- transfer line
- blackboard
- motor
- fixedly connected
- transmission case
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a be used for electronic information engineering teaching to use blackboard, including transmission case and blackboard, the equal fixedly connected with supporting leg in bottom both sides of transmission case, and the inner wall bottom fixedly connected with step motor of transmission case, the inside wall fixed mounting of transmission case has the motor, and the upper surface of transmission case has seted up first through-hole, the inner wall of supporting leg rotates and is connected with the removal wheel, the equal fixedly connected with transmission shaft of lateral wall of removing the wheel, the one end of transmission shaft is rotated and is connected on the inside wall of supporting leg, step motor's one end is rotated and is connected with first transfer line, the lateral wall fixedly connected with fixed key of first transfer line, and the outside cover of first transfer line has the third transfer line, the second through-hole has been seted up to the upper surface of third transfer line. The utility model discloses in drive the carousel through the motor and rotate for the arch drives second transfer line luffing motion, thereby the person of facilitating the use adjusts the height of blackboard.
Description
Technical Field
The utility model relates to a teaching aid articles for use technical field especially relates to a be used for electronic information engineering to impart knowledge to students to use blackboard.
Background
Over two hundred years, the blackboard is developed from the earliest of being coated on the surfaces of hard objects such as wood boards, cement and the like by black paint to the surfaces of water mill glass, color coated steel plates and composite plates in the nineties. The types of the existing blackboards are also complicated and diversified, and the blackboards, the green boards and the white boards are divided into a plane board and an arc panel from the aspect of surface shapes, and a support movable board, a push-pull board, a lifting board and a magnetic blackboard are divided from the aspect of structural composition.
The existing blackboard is generally fixedly installed on the wall surface, and the height and the rotation angle are difficult to adjust.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a blackboard for electronic information engineering teaching.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blackboard for electronic information engineering teaching comprises a transmission case and a blackboard, wherein both sides of the bottom end of the transmission case are fixedly connected with supporting legs, the bottom end of the inner wall of the transmission case is fixedly connected with a stepping motor, an electric motor is fixedly arranged on the inner side wall of the transmission case, a first through hole is formed in the upper surface of the transmission case, the inner wall of each supporting leg is rotatably connected with a movable wheel, the side wall of each movable wheel is fixedly connected with a transmission shaft, one end of each transmission shaft is rotatably connected to the inner side wall of the corresponding supporting leg, one end of each stepping motor is rotatably connected with a first transmission rod, the side wall of each first transmission rod is fixedly connected with a fixed key, a third transmission rod is sleeved outside each first transmission rod, a second through hole is formed in the upper surface of each third transmission rod, the upper end of each third transmission rod is fixedly connected with, the key groove is coupled with the fixed key, one end of the motor is rotatably connected with the rotary table, one side of the upper surface of the rotary table is fixedly connected with a protrusion, a second transmission rod is sleeved outside the protrusion, an arc-shaped groove is formed in the front surface of the second transmission rod, a sector gear is fixedly connected to one end of the second transmission rod, and the side wall of the second transmission rod is hinged to the inner side wall of the transmission case.
Preferably, a first rotating shaft is arranged between the stepping motor and the first transmission rod, and the stepping motor and the first transmission rod are rotatably connected through the first rotating shaft.
Preferably, a second rotating shaft is arranged between the rotating disc and the motor, and the rotating disc and the motor are rotatably connected through the second rotating shaft.
Preferably, the diameter of the first transmission rod is equal to the inner diameter of the second through hole.
Preferably, the diameter of the third transmission rod is equal to the inner diameter of the first through hole.
Preferably, the bottom embedding of transmission case is provided with the battery, the input of step motor and motor all with the output electric connection of battery.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in drive first transfer line through step motor and rotate certain suitable angle, first transfer line drives the third transfer line and rotates, the third transfer line drives the blackboard and rotates, if the user needs adjust the height of blackboard, the motor begins the circular telegram this moment, the motor drives the carousel and rotates, drive protruding rotation under carousel pivoted effect, make the arch drive second transfer line luffing motion, the second transfer line drives sector gear motion, sector gear drives the third transfer line and reciprocates, thereby the height of user of facilitating the use regulation blackboard.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a third transmission rod of the present invention;
fig. 3 is a schematic view of the motor mounting structure of the present invention.
In the figure: 1. a transmission case; 2. supporting legs; 3. a drive shaft; 4. a moving wheel; 5. a stepping motor; 6. a first drive lever; 7. an arc-shaped slot; 8. a second transmission rod; 9. a turntable; 10. a sector gear; 11. a blackboard; 12. a third transmission rod; 13. a first through hole; 14. a fixed key; 15. a keyway; 16. a second through hole; 17. a protrusion; 18. an electric motor.
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.
Referring to fig. 1-3, a blackboard for electronic information engineering teaching, comprising a transmission case 1 and a blackboard 11, wherein both sides of the bottom end of the transmission case 1 are fixedly connected with supporting legs 2, the bottom end of the inner wall of the transmission case 1 is fixedly connected with a stepping motor 5, the inner side wall of the transmission case 1 is fixedly provided with a motor 18, the upper surface of the transmission case 1 is provided with a first through hole 13, the inner wall of the supporting leg 2 is rotatably connected with a moving wheel 4, the side wall of the moving wheel 4 is fixedly connected with a transmission shaft 3, one end of the transmission shaft 3 is rotatably connected to the inner side wall of the supporting leg 2, one end of the stepping motor 5 is rotatably connected with a first transmission rod 6, the side wall of the first transmission rod 6 is fixedly connected with a fixed key 14, the outer part of the first transmission rod 6 is sleeved with a third transmission rod 12, the upper surface of the third transmission rod, keyway 15 has all been seted up to the both sides of second through-hole 16, keyway 15 and the coupling of fixed key 14, and the one end of motor 18 is rotated and is connected with carousel 9, and the upper surface one side fixedly connected with of carousel 9 is protruding 17, and protruding 17 outside cover has second transfer line 8, and arc wall 7 has been seted up to the front surface of second transfer line 8, and the one end fixedly connected with sector gear 10 of second transfer line 8, and the lateral wall of second transfer line 8 articulates on the inside wall of transmission case 1.
Be provided with first pivot between step motor 5 and the first transfer line 6, and step motor 5 and first transfer line 6 rotate through first pivot and connect, be provided with the second pivot between carousel 9 and the motor 18, and carousel 9 and motor 18 rotate through the second pivot and connect, the diameter of first transfer line 6 equals with the internal diameter of second through-hole 16, the diameter of third transfer line 12 equals with the internal diameter of first through-hole 13, the bottom embedding of transmission case 1 is provided with the battery, step motor 5 and motor 18's input all with the output electric connection of battery.
The working principle is as follows: drive first transfer line 6 through step motor 5 and rotate certain suitable angle, first transfer line 6 drives third transfer line 12 and rotates, third transfer line 12 drives blackboard 11 and rotates, if the user needs to adjust the height of blackboard 11, motor 18 begins the circular telegram this moment, motor 18 drives carousel 9 and rotates, it rotates to drive arch 17 under carousel 9 pivoted effect, make arch 17 drive 8 luffing motions of second transfer line, second transfer line 8 drives sector gear 10 motion, sector gear 10 drives third transfer line 12 and reciprocates, thereby convenience of customers adjusts the height and the angle of blackboard 11.
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 utility model provides a blackboard for electronic information engineering teaching, includes transmission case (1) and blackboard (11), its characterized in that, the equal fixedly connected with supporting leg (2) in bottom both sides of transmission case (1), and the inner wall bottom fixedly connected with step motor (5) of transmission case (1), the inside wall fixed mounting of transmission case (1) has motor (18), and the upper surface of transmission case (1) has seted up first through-hole (13), the inner wall of supporting leg (2) rotates and is connected with and removes wheel (4), the equal fixedly connected with transmission shaft (3) of lateral wall that removes wheel (4), the one end of transmission shaft (3) is rotated and is connected on the inside wall of supporting leg (2), the one end rotation of step motor (5) is connected with first transmission pole (6), the lateral wall fixedly connected with fixed key (14) of first transmission pole (6), and the outside cover of first transfer line (6) has third transfer line (12), second through-hole (16) have been seted up to the upper surface of third transfer line (12), and upper end fixedly connected with blackboard (11) of third transfer line (12), keyway (15) have all been seted up to the both sides of second through-hole (16), keyway (15) and fixed key (14) coupling, the one end of motor (18) is rotated and is connected with carousel (9), the protruding (17) of upper surface one side fixedly connected with of carousel (9), the outside cover of arch (17) has second transfer line (8), arc wall (7) have been seted up on the front surface of second transfer line (8), and the one end fixedly connected with sector gear (10) of second transfer line (8), the lateral wall of second transfer line (8) articulates on the inside wall of transmission case (1).
2. The blackboard for electronic information engineering teaching according to claim 1, wherein a first rotating shaft is arranged between the stepping motor (5) and the first transmission rod (6), and the stepping motor (5) and the first transmission rod (6) are rotatably connected through the first rotating shaft.
3. The blackboard for electronic information engineering teaching according to claim 1, characterized in that a second rotating shaft is arranged between the turntable (9) and the motor (18), and the turntable (9) and the motor (18) are rotatably connected through the second rotating shaft.
4. The blackboard for electronic information engineering teaching according to claim 1, characterized in that the diameter of the first transmission rod (6) is equal to the inner diameter of the second through hole (16).
5. The blackboard for electronic information engineering teaching according to claim 1, characterized in that the diameter of the third transmission rod (12) is equal to the inner diameter of the first through hole (13).
6. The blackboard for electronic information engineering teaching according to claim 1, characterized in that a storage battery is embedded in the bottom end of the transmission case (1), and the input ends of the stepping motor (5) and the motor (18) are electrically connected with the output end of the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401023.1U CN209833111U (en) | 2019-03-27 | 2019-03-27 | Blackboard for electronic information engineering teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401023.1U CN209833111U (en) | 2019-03-27 | 2019-03-27 | Blackboard for electronic information engineering teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209833111U true CN209833111U (en) | 2019-12-24 |
Family
ID=68908613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920401023.1U Expired - Fee Related CN209833111U (en) | 2019-03-27 | 2019-03-27 | Blackboard for electronic information engineering teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209833111U (en) |
-
2019
- 2019-03-27 CN CN201920401023.1U patent/CN209833111U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210327 |