CN211441723U - Blackboard capable of being automatically wiped - Google Patents
Blackboard capable of being automatically wiped Download PDFInfo
- Publication number
- CN211441723U CN211441723U CN201922310898.3U CN201922310898U CN211441723U CN 211441723 U CN211441723 U CN 211441723U CN 201922310898 U CN201922310898 U CN 201922310898U CN 211441723 U CN211441723 U CN 211441723U
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- blackboard
- gear
- meshing gear
- gear box
- slide rail
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Abstract
The utility model provides a can clean blackboard automatically, it can control the blackboard eraser and do the part and clean the blackboard or from the part to the whole blackboard of cleaning, makes things convenient for the teacher to use more. It includes blackboard and blackboard eraser, the blackboard top is equipped with the slide rail, the slide rail top is equipped with the water tank, the outlet pipe, its characterized in that are connected to the water tank lower extreme: slide rail one end tip is equipped with the lead screw motor, the gear box is connected to the output of lead screw motor, the gear box with slide rail sliding connection, the lower extreme of gear box passes through the telescopic link and connects the blackboard eraser, the gear box outside is equipped with driving motor, driving motor's pivot stretches into inside and the drive gear group of drive inside of gear box, wiring one end is connected to the output of drive gear group, the other end of wiring stretches into the inside of telescopic link is connected rather than the upper end of interior pole.
Description
Technical Field
The utility model relates to a blackboard technical field specifically is a can clean blackboard automatically.
Background
The blackboard is still indispensable today as the appurtenance of teacher's teaching, at the teaching instrument pluralism. When a traditional blackboard is used for writing, a teacher needs to manually erase the blackboard by using a blackboard eraser, and dust generated at the same time causes the teacher to be uncomfortable with students in front. With the development of science and technology, most of the existing blackboards have an automatic wiping function, and most of the existing blackboards adopt a blackboard eraser with the same width or the same length as the blackboards, and the blackboard eraser is controlled by a control mechanism to wipe up and down or left and right along the blackboards. However, the adoption of this structure has the following problems in automatically wiping the blackboard: because the length or the width of the blackboard eraser is matched with the length or the width of the blackboard, if a teacher only writes a part of blackboard eraser with the blackboard and needs to erase the blackboard, the blackboard eraser can erase the whole blackboard, thereby causing the influence on the use of other blank areas by the teacher and being inconvenient for the teacher to use.
SUMMERY OF THE UTILITY MODEL
Can not locally clean when cleaning the blackboard to current automatic blackboard eraser, influence the problem that the teacher used, the utility model provides a can automatically clean the blackboard, it can control the blackboard eraser and do the part and clean the blackboard or from the part to wholly clean the blackboard, makes things convenient for the teacher to use more.
The technical scheme is as follows: the utility model provides a can clean blackboard automatically, its includes blackboard and blackboard eraser, the blackboard top is equipped with the slide rail, the slide rail top is equipped with the water tank, the outlet pipe is connected to the water tank lower extreme, its characterized in that: the end part of one end of the sliding rail is provided with a screw rod motor, the output end of the screw rod motor is connected with a gear box, the gear box is connected with the sliding rail in a sliding manner, the lower end of the gear box is connected with the blackboard eraser through a telescopic rod, a driving motor is arranged outside the gear box, a rotating shaft of the driving motor extends into the gear box and drives a transmission gear set inside the gear box, the output end of the transmission gear set is connected with one end of a winding rope, and the other end of the winding rope extends into the telescopic rod and is connected with the upper end of an inner;
it is further characterized in that:
the blackboard eraser comprises a bottom plate, wherein the bottom plate is connected with one side of a fixed plate through a telescopic sleeve supporting piece, a sponge block which is detachably connected is arranged on the other side of the fixed plate, a water containing cavity is arranged in the fixed plate, a water outlet pipe penetrates through the bottom plate to be connected with the water containing cavity, and a water outlet hole is formed in the side wall, close to the sponge block, of the water containing cavity;
the upper end and the lower end of the sleeve supporting piece are respectively provided with a pressure spring, and two ends of the pressure spring are respectively connected with the bottom plate and the fixed plate;
a filter screen is arranged on the inner wall of the water containing cavity close to the sponge block;
the sponge block is a wedge-shaped block with a small upper part and a big lower part;
the transmission gear set comprises a first meshing gear, a first pinion of the first meshing gear is sleeved on an output shaft of the driving motor, the output shaft of the first meshing gear is coaxially connected with a pinion of a second meshing gear, an output shaft of a bull gear of the second meshing gear is coaxially connected with a pinion of a third meshing gear, an output shaft of a bull gear of the third meshing gear is coaxially connected with a bull gear of a fourth meshing gear, the outer diameter of the bull gear of the fourth meshing gear is smaller than that of the bull gear of the third meshing gear, and the pinion of the fourth meshing gear is coaxially connected with a winder for winding the rope;
and a limiting sensor is arranged at the lower end of the sliding rail.
After the structure is adopted, the lower end of the gear box is connected with the blackboard eraser through the telescopic rod, and the telescopic rod is driven to stretch up and down through the wiring rope, so that the blackboard eraser is driven to move up and down along the blackboard body for wiping, and the output end of the screw rod motor is connected with the gear box, so that the gear box can be driven to slide left and right along the sliding rail, so that the blackboard eraser is driven to slide left and right along the blackboard, the local wiping of the blackboard can be completed, or the local wiping to the whole wiping is realized, and the use is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of a transmission gear set of the present invention;
FIG. 3 is a schematic view of the blackboard eraser of the present invention;
FIG. 1, blackboard; 2. a screw motor; 21. a slide rail; 3. a drive motor; 4. a gear case; 41. a first meshing gear; 42. a second meshing gear; 43. a third meshing gear; 44. a fourth meshing gear; 45. a winder; 5. a telescopic rod; 6. erasing the blackboard; 61. a base plate; 62. a pressure spring; 63. a fixing plate; 64. a sponge block; 65. a water containing cavity; 66. a water outlet hole; 67. filtering with a screen; 68. a sleeve support; 7. a water tank; 8. a water outlet pipe; 9. and a limit sensor.
Detailed Description
As shown in figure 1, the blackboard capable of being automatically wiped comprises a blackboard 1 and a blackboard eraser 2, wherein a slide rail 21 is arranged above the blackboard 1, a screw rod motor 2 is arranged at the end part of the slide rail 21, the slide rail 21 is connected with a gear box 4 in a sliding manner, and an output shaft of the screw rod motor 2 is connected with the gear box 4. The external portion of gear box 4 is equipped with driving motor 3, and driving motor 3's output shaft stretches into gear box 4 inside to with locate gear box 4 inside drive gear group link, gear box 4's lower extreme passes through telescopic link 5 and is connected with blackboard eraser 2. The output end of the transmission gear set is connected with one end of the winding wire, and the other end of the winding wire extends into the telescopic rod 5 and is connected with the upper end of the inner rod of the telescopic rod. The gear box 4 is controlled to move left and right along the blackboard through the lead screw motor 2, the driving motor 3 drives the transmission gear set to rotate, and the transmission gear set drives the winding and winding, so that the telescopic rod 5 is adjusted to stretch, and the blackboard eraser 2 is driven to move up and down along the blackboard 1 to be wiped. Because the driving motor 3 and the screw rod motor 2 are respectively controlled by an external circuit in an electric control way, the blackboard eraser 2 can be controlled to wipe the blackboard 1 partially and wholly, and the use is convenient. The lower end of the slide rail 21 is provided with a limit sensor 9, the limit sensor 9 accurately positions the sliding position of the gear box 4 along the slide rail 21, controls the transverse initial position of the eraser 2, then controls the eraser 2 to move up and down from the initial position and wipes the blackboard transversely leftwards or transversely rightwards.
As shown in fig. 2, a specific transmission gear set structure includes a first meshing gear 41, a pinion of the first meshing gear 1 is sleeved on an output shaft of the driving motor 3, a gearwheel of the first meshing gear is coaxially connected with a second meshing gear 42, an output shaft of a gearwheel of the second meshing gear 42 is coaxially connected with a third meshing gear 43, an output shaft of a gearwheel of the third meshing gear 43 is coaxially connected with a fourth meshing gear 44, an outer diameter of the gearwheel of the fourth meshing gear 44 is smaller than an outer diameter of the gearwheel of the third meshing gear 43, and a pinion of the fourth meshing gear 44 is coaxially connected with a bobbin 45.
A water tank 7 is arranged above the slide rail 21, the lower end of the water tank 7 is connected with a water outlet pipe 8, and the water outlet pipe 8 sequentially extends into the gear box 4 and the telescopic rod 5 and is connected with the blackboard eraser 6.
As shown in fig. 3, the blackboard eraser 6 includes a bottom plate 61, the bottom plate 61 is connected to one side of a fixing plate 63 through a telescopic sleeve supporting member 68, a sponge block 64 is detachably connected to the other side of the fixing plate 63, a water containing cavity 65 is arranged inside the fixing block 63 and close to the side of the sponge block 64, a water outlet 66 is arranged on the side wall of the water containing cavity 65 close to the sponge block 64, a water outlet pipe 8 extends into the bottom plate 61 and is connected with the water containing cavity 65, and a section of the water outlet pipe 8 located between the bottom plate 61 and the fixing plate 63 is. The water outlet pipe 8 at the lower end of the water tank 7 is communicated with the water containing cavity 65 in the fixing plate 63 to supply water for the sponge block 64, so that dust is not easy to raise when the blackboard eraser 6 wipes the blackboard 1. Further, the upper end and the lower extreme of sleeve support piece 68 are equipped with pressure spring 62 respectively, and bottom plate 61 and fixed plate 63 are connected respectively to the both ends of pressure spring 62, provide elastic pressure through setting up of pressure spring 62 for sponge piece 64 is inseparabler with blackboard 1 contact, and it is cleaner to clean the blackboard. Further, the sponge block 64 is a wedge-shaped block with a small upper part and a big lower part, so that the sponge block 64 is in closer contact with the blackboard 1. A filter screen 67 is arranged on the inner wall of the water containing cavity 65 close to the sponge block 64, and dust on the sponge block 64 is prevented from entering the water containing cavity 65 to cause pollution through the arrangement of the filter screen 67.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a can clean blackboard automatically, its includes blackboard and blackboard eraser, the blackboard top is equipped with the slide rail, the slide rail top is equipped with the water tank, the outlet pipe is connected to the water tank lower extreme, its characterized in that: slide rail one end tip is equipped with the lead screw motor, the gear box is connected to the output of lead screw motor, the gear box with slide rail sliding connection, the lower extreme of gear box passes through the telescopic link and connects the blackboard eraser, the gear box outside is equipped with driving motor, driving motor's pivot stretches into inside and the drive gear group of drive inside of gear box, wiring one end is connected to the output of drive gear group, the other end of wiring stretches into the inside of telescopic link is connected rather than the upper end of interior pole.
2. An automatically erasable blackboard according to claim 1, wherein: the blackboard eraser comprises a bottom plate, wherein the bottom plate is connected with one side of a fixed plate through a telescopic sleeve supporting piece, the other side of the fixed plate is provided with a sponge block which can be detachably connected, a water containing cavity is arranged inside the fixed plate, a water outlet pipe penetrates into the bottom plate and is connected with the water containing cavity, and a water outlet hole is formed in the side wall, close to the sponge block, of the water containing cavity.
3. An automatically erasable blackboard according to claim 2, wherein: the upper end and the lower end of the sleeve supporting piece are respectively provided with a pressure spring, and two ends of the pressure spring are respectively connected with the bottom plate and the fixed plate.
4. An automatically erasable blackboard according to claim 3, wherein: and a filter screen is arranged on the inner wall of the water containing cavity close to the sponge block.
5. An automatically erasable blackboard according to claim 4, wherein: the sponge block is a wedge-shaped block with a small upper part and a big lower part.
6. An automatically erasable blackboard according to any one of claims 1 to 5, wherein: the transmission gear set comprises a first meshing gear, a first pinion of the first meshing gear is sleeved on an output shaft of the driving motor, an output shaft of the first meshing gear is coaxially connected with a pinion of a second meshing gear, an output shaft of a gearwheel of the second meshing gear is coaxially connected with a pinion of a third meshing gear, an output shaft of a gearwheel of the third meshing gear is coaxially connected with a gearwheel of a fourth meshing gear, the outer diameter of the gearwheel of the fourth meshing gear is smaller than that of the gearwheel of the third meshing gear, and the pinion of the fourth meshing gear is coaxially connected with a winder for winding the rope.
7. An automatically erasable blackboard according to claim 6, wherein: and a limiting sensor is arranged at the lower end of the sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310898.3U CN211441723U (en) | 2019-12-20 | 2019-12-20 | Blackboard capable of being automatically wiped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922310898.3U CN211441723U (en) | 2019-12-20 | 2019-12-20 | Blackboard capable of being automatically wiped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211441723U true CN211441723U (en) | 2020-09-08 |
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ID=72310812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922310898.3U Active CN211441723U (en) | 2019-12-20 | 2019-12-20 | Blackboard capable of being automatically wiped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211441723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158011A (en) * | 2020-11-10 | 2021-01-01 | 陈颂康 | Blackboard self-cleaning device for teaching |
| CN113263856A (en) * | 2021-06-23 | 2021-08-17 | 江苏六鑫科教仪器设备有限公司 | Cleaning device for be used for teaching blackboard |
-
2019
- 2019-12-20 CN CN201922310898.3U patent/CN211441723U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158011A (en) * | 2020-11-10 | 2021-01-01 | 陈颂康 | Blackboard self-cleaning device for teaching |
| CN113263856A (en) * | 2021-06-23 | 2021-08-17 | 江苏六鑫科教仪器设备有限公司 | Cleaning device for be used for teaching blackboard |
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