CN209938159U - Automatic blackboard eraser system - Google Patents
Automatic blackboard eraser system Download PDFInfo
- Publication number
- CN209938159U CN209938159U CN201920665088.7U CN201920665088U CN209938159U CN 209938159 U CN209938159 U CN 209938159U CN 201920665088 U CN201920665088 U CN 201920665088U CN 209938159 U CN209938159 U CN 209938159U
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- vertical
- moving device
- blackboard eraser
- transverse
- lead screw
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Abstract
The utility model relates to an automatic blackboard eraser system, which comprises a blackboard frame and is characterized by also comprising a vertical moving device arranged on the blackboard frame and a horizontal moving device arranged on the vertical moving device, wherein an eraser is arranged on the horizontal moving device; the control module is connected with the vertical moving device and the horizontal moving device. The utility model discloses the practicality is strong, the preparation installation cost is low, can realize the switching of two kinds of modes of automatic control and manual control when clean blackboard. Meanwhile, the classroom teaching environment is improved, and the close-range harm of dust to the body of a teacher and the workload of the teacher in writing on blackboard are reduced.
Description
Technical Field
The utility model belongs to the technical field of the teaching aid, concretely relates to automatic blackboard eraser system.
Background
At present, most of the blackboard erasers used in classrooms of schools are traditional blackboard erasers made of a plastic shell adhered with a fur or velvet material. In actual teaching activities, due to the shielding of the multimedia projection screen, the available area of the blackboard is greatly reduced, so that when a teacher uses a large number of blackboard-writing in teaching, the blackboard needs to be frequently cleaned, the workload is high, and chalk dust flying up in a short distance can cause damage to human health, particularly upper respiratory tract, lung and eyes. Therefore, there is a need to develop a practical automatic blackboard eraser system to reduce the workload of teacher in writing blackboard and to minimize the harm of dust to the body of teacher in short distance.
For nearly twenty years, the traditional blackboard-blackboard eraser-chalk framework and the blackboard and blackboard eraser in the composition thereof are also improved by Chinese science and technology workers, but the traditional blackboard-blackboard eraser-chalk framework and the blackboard and blackboard eraser in the traditional blackboard eraser-chalk framework are still not popularized and popularized in the market at present due to the fact that the structure is complex, operability is not strong enough and manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an automatic blackboard eraser system, with low costs, the practicality is strong, aims at alleviateing the work load of teacher's blackboard writing when giving lessons.
In order to achieve the above purpose, the utility model adopts the following scheme:
an automatic blackboard eraser system comprises a blackboard frame, a vertical moving device arranged on the blackboard frame, and a horizontal moving device arranged on the vertical moving device, wherein an eraser is arranged on the horizontal moving device; the control module is connected with the vertical moving device and the horizontal moving device.
Further, the vertical moving device is connected with the blackboard frame through an upper fixing device and a lower fixing device.
Further, the vertical moving device comprises a pair of vertical guide rails and vertical lead screw nut mechanisms which are arranged in bilateral symmetry; the vertical guide rail and the upper end and the lower end of a vertical screw of the vertical screw nut mechanism are respectively connected with the upper fixing device and the lower fixing device, the vertical nut seat is matched with the vertical screw through a vertical screw nut, and the vertical screw is driven by a direct current motor I.
Further, the upper end of the vertical screw rod is connected with the upper fixing device through a supporting end; the upper end and the lower end of the vertical guide rail are respectively connected with the corresponding upper fixing device and the corresponding lower fixing device through the corresponding vertical guide rail bracket.
Further, direct current motor I through the connecting plate with fixing device links firmly down, direct current motor I through the shaft coupling with vertical lead screw is connected.
Further, the horizontal moving device comprises a transverse guide rail and a transverse lead screw nut mechanism; one end of a transverse lead screw of the transverse lead screw nut mechanism is matched with the vertical guide rail on the left side of the vertical moving device through a sliding block, the other end of the transverse lead screw is fixedly connected with the vertical nut seat of the vertical moving device through a support, and the transverse lead screw is driven by a direct current motor II.
Further, the direct current motor II is fixedly connected with the vertical nut seat of the vertical moving device through a connecting plate II, and the direct current motor II is connected with the transverse lead screw through a coupler.
Further, the blackboard eraser comprises a sliding seat, a clamping plate and a clamping and fastening seat, and the clamping plate and the clamping and fastening seat are matched to clamp the blackboard eraser; the clamping and fastening seat is fixedly connected with the sliding seat, the sliding seat is matched with a transverse screw rod of the horizontal moving device through a transverse screw rod nut of the horizontal moving device, and a structure matched with a transverse guide rail of the horizontal moving device is further arranged on the sliding seat.
Further, the blackboard eraser is made of a fur material, a velvet material or sponge.
The automatic blackboard eraser system has the following beneficial effects:
(1) the utility model discloses the practicality is strong, the preparation installation cost is low, can realize the switching of two kinds of modes of automatic control and manual control when clean blackboard. Meanwhile, the classroom teaching environment is improved, and the close-range harm of dust to the body of a teacher and the workload of the teacher in writing on blackboard are reduced.
Drawings
FIG. 1: the structure schematic diagram of the automatic blackboard eraser system in the embodiment of the utility model;
FIG. 2: the enlarged view of the joint of the vertical screw-nut mechanism and the horizontal screw-nut mechanism in the embodiment of the utility model;
FIG. 3: the utility model discloses structural schematic diagram of blackboard eraser in the embodiment.
Description of reference numerals:
1-blackboard frame; 2-lower fixing device; 3-a vertical moving device; 31-vertical guide rails; 32-vertical guide rail brackets; 331-vertical lead screw; 332-vertical nut seat; 333-support end; 334-direct current motor I; 4-horizontal moving device; 41-transverse guide rail; 42-a slide block; 431-transverse screw; 432-transverse feed screw nut; 433-a bracket; 434-direct current motor II; 435-connecting plate II; 436-shaft coupling; 5, erasing the blackboard; 51-a sliding seat; 52-a clamping plate; 53-clamping fastening seat; 6-upper fixing device.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 to 3 show an embodiment of an automatic blackboard eraser system according to the present invention. FIG. 1 is a schematic structural diagram of an automatic blackboard eraser system according to the present embodiment; FIG. 2 is an enlarged view of the junction of the vertical feed screw nut mechanism and the horizontal feed screw nut mechanism in this embodiment; fig. 3 is a schematic structural view of the eraser in the present embodiment.
As shown in fig. 1 to 3, the automatic eraser system according to the present embodiment includes a blackboard frame 1, a vertical moving device 3 disposed on the blackboard frame 1, and a horizontal moving device 4 disposed on the vertical moving device 3, wherein an eraser 5 is disposed on the horizontal moving device 4; the control module is connected with the vertical moving device 3 and the horizontal moving device 4.
Preferably, the vertical moving means 3 is connected with the blackboard frame 1 by upper and lower fixing means. That is, in the present embodiment, the vertical moving device 3 is connected to the blackboard frame 1 through the upper fixing device 6 and the lower fixing device 2, as shown in fig. 1.
Preferably, the vertical moving device 3 includes a pair of vertical guide rails 31 and a vertical lead screw nut mechanism 33 which are arranged bilaterally symmetrically; the vertical guide rail 31 and the vertical lead screw 331 of the vertical lead screw nut mechanism 33 have upper and lower ends respectively connected with the upper fixing device 6 and the lower fixing device 2, the vertical nut seat 332 is matched with the vertical lead screw 331 through a vertical lead screw nut, and the vertical lead screw 331 is driven by a direct current motor I334, as shown in fig. 1.
In this embodiment, the upper end of the vertical screw 331 is fixedly connected to the upper fixing device 6 through the support end 333; the upper and lower ends of the vertical rail 31 are connected to the upper fixing device 6 and the lower fixing device 2 through corresponding vertical rail brackets 32, respectively, as shown in fig. 1.
In this embodiment, the i 334 of the direct current motor is fixedly connected with the lower fixing device 2 through a connecting plate, and the i 334 of the direct current motor is connected with the vertical screw 331 through a coupler, as shown in fig. 1.
Preferably, the horizontal moving means 4 comprises a transverse guide rail 41 and a transverse screw-nut mechanism; one end of a transverse lead screw 431 of the transverse lead screw nut mechanism and the transverse guide rail 41 is matched with the vertical guide rail 31 on the left side of the vertical moving device 3 through a sliding block 42, the other end of the transverse lead screw is fixedly connected with a vertical nut seat 332 of the vertical moving device 3 through a support 433, and the transverse lead screw 431 is driven by a direct current motor II 434, as shown in fig. 1 and 2.
In this embodiment, the direct current motor ii 434 is fixedly connected with the vertical nut seat 332 of the vertical moving device 3 through a connecting plate ii 435, and the direct current motor ii 434 is connected with the transverse lead screw 431 through a coupling 436, as shown in fig. 1 and 2.
Preferably, the blackboard eraser 5 comprises a sliding seat 51, a clamping plate 52 and a clamping fastening seat 53, wherein the clamping plate 52 and the clamping fastening seat 53 are matched to clamp the blackboard eraser; the clamping fastening seat 53 is fixedly connected with the sliding seat 51, the sliding seat 51 is matched with a transverse screw rod 431 of the horizontal moving device 4 through a transverse screw rod nut 432 of the horizontal moving device 4, and a structure matched with a transverse guide rail 41 of the horizontal moving device 4 is further arranged on the sliding seat 51, as shown in fig. 1 and 3.
In this embodiment, the blackboard eraser is made of a fur material, a velvet material, or a sponge.
During operation, the switch is closed, the system is started, the direct current motor I334 and the direct current motor II 434 work simultaneously, the vertical screw 331 and the horizontal screw 431 are driven to rotate through the corresponding couplers, the blackboard eraser is driven to move in the vertical direction and the horizontal direction, the purpose of erasing the blackboard is achieved, and when the blackboard is erased completely, the switch is disconnected, and the system stops. The screw-nut pair plays a key role, and the rotary motion of the direct current motor is converted into the linear motion of the blackboard eraser, so that the blackboard eraser is wiped. Manual erasure may be selected when only a small portion of the writing is few.
The utility model discloses the practicality is strong, the preparation installation cost is low, can realize the switching of two kinds of modes of automatic control and manual control when clean blackboard. Meanwhile, the classroom teaching environment is improved, and the close-range harm of dust to the body of a teacher and the workload of the teacher in writing on blackboard are reduced.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.
Claims (9)
1. An automatic blackboard eraser system comprises a blackboard frame, and is characterized by further comprising a vertical moving device arranged on the blackboard frame and a horizontal moving device arranged on the vertical moving device, wherein an eraser is arranged on the horizontal moving device; the control module is connected with the vertical moving device and the horizontal moving device.
2. The automatic blackboard eraser system of claim 1, wherein the vertical moving means is connected with the blackboard frame by upper and lower fixing means.
3. The automatic blackboard eraser system of claim 2, wherein the vertical moving means comprises a pair of vertical guide rails and a vertical lead screw nut mechanism arranged in bilateral symmetry; the vertical guide rail and the upper end and the lower end of a vertical screw of the vertical screw nut mechanism are respectively connected with the upper fixing device and the lower fixing device, the vertical nut seat is matched with the vertical screw through a vertical screw nut, and the vertical screw is driven by a direct current motor I.
4. The automatic blackboard eraser system according to claim 3, wherein the upper end of the vertical lead screw is connected with the upper fixing device through a supporting end; the upper end and the lower end of the vertical guide rail are respectively connected with the corresponding upper fixing device and the corresponding lower fixing device through the corresponding vertical guide rail bracket.
5. The automatic blackboard eraser system according to claim 3, wherein the DC motor I is fixedly connected with the lower fixing device through a connecting plate, and the DC motor I is connected with the vertical screw rod through a coupler.
6. The automatic blackboard eraser system according to any one of claims 1 to 5, wherein the horizontal moving means comprises a transverse guide rail and a transverse lead screw nut mechanism; one end of a transverse lead screw of the transverse lead screw nut mechanism is matched with the vertical guide rail on the left side of the vertical moving device through a sliding block, the other end of the transverse lead screw is fixedly connected with the vertical nut seat of the vertical moving device through a support, and the transverse lead screw is driven by a direct current motor II.
7. The automatic blackboard eraser system according to claim 6, wherein the direct current motor II is fixedly connected with the vertical nut seat of the vertical moving device through a connecting plate II, and the direct current motor II is connected with the transverse lead screw through a coupling.
8. The automatic blackboard eraser system according to claim 1, 2, 3, 4, 5 or 7, wherein the blackboard eraser comprises a sliding seat, a clamping plate and a clamping fastening seat, wherein the clamping plate and the clamping fastening seat are matched to clamp the blackboard eraser; the clamping and fastening seat is fixedly connected with the sliding seat, the sliding seat is matched with a transverse screw rod of the horizontal moving device through a transverse screw rod nut of the horizontal moving device, and a structure matched with a transverse guide rail of the horizontal moving device is further arranged on the sliding seat.
9. The automatic blackboard eraser system of claim 8, wherein the blackboard eraser is made of a fur-like material or a velvet-like material or a sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665088.7U CN209938159U (en) | 2019-05-10 | 2019-05-10 | Automatic blackboard eraser system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665088.7U CN209938159U (en) | 2019-05-10 | 2019-05-10 | Automatic blackboard eraser system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209938159U true CN209938159U (en) | 2020-01-14 |
Family
ID=69131997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920665088.7U Expired - Fee Related CN209938159U (en) | 2019-05-10 | 2019-05-10 | Automatic blackboard eraser system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209938159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967537A (en) * | 2021-03-23 | 2021-06-15 | 湖南机电职业技术学院 | Interactive teaching equipment is used in english teaching |
-
2019
- 2019-05-10 CN CN201920665088.7U patent/CN209938159U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967537A (en) * | 2021-03-23 | 2021-06-15 | 湖南机电职业技术学院 | Interactive teaching equipment is used in english teaching |
| CN112967537B (en) * | 2021-03-23 | 2021-12-14 | 湖南机电职业技术学院 | Interactive teaching equipment is used in english teaching |
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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: 20200114 Termination date: 20210510 |