CN208411200U - A kind of business English BEC writing device - Google Patents
A kind of business English BEC writing device Download PDFInfo
- Publication number
- CN208411200U CN208411200U CN201820084058.2U CN201820084058U CN208411200U CN 208411200 U CN208411200 U CN 208411200U CN 201820084058 U CN201820084058 U CN 201820084058U CN 208411200 U CN208411200 U CN 208411200U
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- China
- Prior art keywords
- frame
- motor
- blackboard
- connecting rod
- bec
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Abstract
The problem of a kind of business English BEC writing device belongs to teaching aid technical field blackboard since the limitation of condition reduces efficiency of teaching, and height cannot be tuned according to the height of itself, and angle fixes the viewing of inconvenient student.The lower end surface of pedestal is equipped with idler wheel, the left and right ends of pedestal upper surface are equipped with lifting device, one end of first connecting rod is connected by thread bush with lifting device, mechanical arm is installed, mechanical arm is connected with frame, and automatic blackboard eraser is equipped on frame on the outer wall of first connecting rod, first motor is installed on the lateral wall of frame, it is connected on the output end of first motor with one end of blackboard, frame inner sidewall is connected with the other end of blackboard, and placement plate is mounted on the lower end of frame.Efficiency of teaching, freely adjustable height, blackboard convenient for student viewing can be improved with writing device in a kind of business English BEC of the utility model.
Description
Technical field
The utility model relates to writing devices, and in particular to a kind of business English BEC writing device belongs to teaching aid
Technical field.
Background technique
When the market of China is more in depth dissolved among international economic community, domestic talents market is due to large quantities of outer
Money company logs in, and the demand to the talent of business English is also more and more big, and it is more professional that many foreign enterprises need employee to have
English proficiency, business English BEC teaching it is more and more extensive, business English BEC teaching in we be commonly used arrive blackboard, it is black
For plate known to us, he is widely used in teaching, and most of blackboards are reduced due to the limitation of condition in teaching
Efficiency of teaching cannot tune height, the viewing of the fixed inconvenient student of angle according to the height of itself, therefore we need one
Efficiency of teaching, freely adjustable height, blackboard convenient for student viewing can be improved in kind.
Utility model content
The purpose of the utility model is to provide a kind of business English BEC writing devices, to solve existing chemical drugs quality testing
Device is surveyed to occupy little space, can protect the not damaged problem of instrument and equipment.
Including pedestal, lifting device, thread bush, first connecting rod, frame, automatic blackboard eraser, blackboard, first motor, put
Set plate, idler wheel and mechanical arm;
The lower end surface of pedestal is equipped with idler wheel, and the left and right ends of pedestal upper surface are equipped with lifting device, first connecting rod
One end be connected by thread bush with lifting device, mechanical arm, mechanical arm and frame are installed on the outer wall of first connecting rod
It is connected, automatic blackboard eraser is installed on frame, first motor is installed on the lateral wall of frame, on the output end of first motor
It is connected with one end of blackboard, frame inner sidewall is connected with the other end of blackboard, and placement plate is mounted on the lower end of frame;
Lifting device include shell, the second motor, first bearing, ring gear, drive rod, gear, second bearing, connection frame and
Threaded rod;
It is equipped with shell inside connection frame, the second motor is installed in shell, the output end of the second motor is connected with gear,
Ring gear is mounted on drive rod and engages with gear, and drive rod is mounted on connection frame by first bearing and second bearing, passes
Lever is connected with one end of threaded rod, and the other end of threaded rod is connected by thread bush with first connecting rod.
Preferred: automatic blackboard eraser includes conveyer belt, the machine that reduces starter of the binary shafts, driving shaft, connection sheet, the second connecting rod, blackboard
Sassafras, driving wheel, bearing block, third motor, driven wheel and driven shaft;
The machine of reducing starter of the binary shafts is mounted on the upper end of frame, and the output end of third motor is connected with the input terminal for the machine of reducing starter of the binary shafts
It connects, the output end of two-way speed reducer is connected with one end of driving shaft, and the other end of driving shaft is equipped with driving wheel, driven shaft peace
Mounted in the lower end of frame, the both ends of driven shaft are respectively mounted driven wheel driving wheel and are connected by conveyer belt with driven wheel, driving shaft
Pass through bearing block with driven shaft to be fixed on frame, the both ends of the second connecting rod pass through connection sheet and are connected with two conveyer belts
It connects, the side of the second connecting rod is equipped with blackboard eraser.
Preferred: mechanical arm includes fixing seat, the 4th motor, third link block, the 5th motor and large arm;
The side of fixing seat is equipped with the 4th motor, and the side of large arm is equipped with the 5th motor, one end of large arm and fixation
Seat be connected, the other end of large arm is connected with third link block, and fixing seat is mounted on first connecting rod, third link block and
Frame is connected.
Preferred: idler wheel is anti-corrosive rubber self-locking universal rolling wheel.
Preferred: blackboard is the two-sided blackboard used.
The utility model has the effect that compared with existing product
1, business English BEC writing device, by lifting device, the height of adjustable suitable teacher's writing;
2, business English BEC writing device, it is adjustable to the angle for being suitble to student viewing by mechanical arm, connecting plate
Degree;
3, business English BEC writing device can increase the efficiency of teaching of teacher by automatic blackboard eraser.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of business English BEC writing device described in the utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural schematic diagram of automatic blackboard eraser;
Fig. 4 is Fig. 3 side view;
Fig. 5 is mechanical arm structural schematic diagram;
Fig. 6 lifting device structure schematic diagram.
2, in figure: 1- pedestal, 2- lifting device, 201- shell, the second motor of 202-, 203- first axle, 204- ring gear,
205- drive rod, 206- gear, 207- second bearing, 208- connection frame, 209- threaded rod, 3- thread bush, 4- first connecting rod,
5- frame, 6- automatic blackboard eraser, 601- conveyer belt, 602- reduce starter of the binary shafts machine, 603- driving shaft, 604- connection sheet, 605- second
Connecting rod, 606- blackboard eraser, 607- driving wheel, 608- bearing block, 609- third motor, 610- driven wheel, 611- driven shaft,
7- blackboard, 8- first motor, 9- placement plate, 10- idler wheel, 11- mechanical arm, 1101- fixing seat, the 4th motor of 1102-, 1103-
Third link block, the 5th motor of 1104- and 1105- large arm.
Specific embodiment
The utility model preferred embodiment is elaborated below according to attached drawing.
As shown in Figures 1 to 6, a kind of business English BEC writing device described in the utility model includes pedestal 1, rises
Falling unit 2, thread bush 3, first connecting rod 4, frame 5, automatic blackboard eraser 6, blackboard 7, first motor 8, placement plate 9, idler wheel 10
With mechanical arm 11;
The lower end surface of pedestal 1 is equipped with idler wheel 10, and the left and right ends of 1 upper surface of pedestal are equipped with lifting device 2, and first connects
One end of extension bar 4 is connected by thread bush 3 with lifting device 2, and mechanical arm 11, machine are equipped on the outer wall of first connecting rod 4
Tool arm 11 is connected with frame 5, and automatic blackboard eraser 6 is equipped on frame 5, first motor 8 is equipped on the lateral wall of frame 5,
It is connected on the output end of first motor 8 with one end of blackboard 7,5 inner sidewall of frame is connected with the other end of blackboard 7, places
Plate 9 is mounted on the lower end of frame 5;
Lifting device 2 includes shell 201, the second motor 202, first bearing 203, ring gear 204, drive rod 205, gear
206, second bearing 207, connection frame 208 and threaded rod 209;
It is equipped with shell 201 inside connection frame 208, second motor 202, the output of the second motor 202 are installed in shell 201
End is connected with gear 206, and ring gear 204 is mounted on drive rod 205 and engages with gear 206, and drive rod 205 passes through first
Bearing 203 and second bearing 207 are mounted on connection frame 208, and drive rod 205 is connected with one end of threaded rod 209, threaded rod
209 other end is connected by thread bush 3 with first connecting rod 4.
Further, automatic blackboard eraser 6 includes conveyer belt 601, the machine 602 that reduces starter of the binary shafts, driving shaft 603, connection sheet 604, the
Two connecting rods 605, blackboard eraser 606, driving wheel 607, bearing block 608, third motor 609, driven wheel 610 and driven shaft 611;
The machine 602 that reduces starter of the binary shafts is mounted on the upper end of frame 5, and the output end of third motor 609 is defeated with the machine of reducing starter of the binary shafts 602
Enter end to be connected, the output end for the machine 602 that reduces starter of the binary shafts is connected with one end of driving shaft 603, the other end installation of driving shaft 603
There is driving wheel 607, driven shaft 611 is mounted on the lower end of frame 5, and the both ends of driven shaft 611 are respectively mounted 610 driving wheel of driven wheel
607 are connected by conveyer belt 601 with driven wheel 610, and driving shaft 603 and driven shaft 611 are fixed on by bearing block 608
On frame 5, the both ends of the second connecting rod 605 pass through connection sheet 604 and are connected with two conveyer belts 601, the second connecting rod 605
Side be equipped with blackboard eraser 606.
Further, mechanical arm 11 includes fixing seat 1101, the 4th motor 1102, third link block 1103, the 5th motor
1104 and large arm 1105;
The side of fixing seat 1101 is equipped with the 4th motor 1102, and the side of large arm 1105 is equipped with the 5th motor 1104,
One end of large arm 1105 is connected with fixing seat 1101, and the other end of large arm 1105 is connected with third link block 1103, fixed
Seat 1101 is mounted on first connecting rod 4, and third link block 1103 is connected with frame 5.
Further, idler wheel 10 is anti-corrosive rubber self-locking universal rolling wheel.
Further, blackboard 7 is the two-sided blackboard used.
Present apparatus working principle: band moving gear rotates when the second motor 202 works, and is equipped with threaded rod on ring gear 204
205, gear 206 drives ring gear 204 to rotate, and drive rod upper and lower ends are equipped with first bearing 203 and second bearing 207, ring gear
204 rotations drive threaded rod 205 to move upwards, and prop blackboard upwards, and the 4th motor 1102 regulates and controls large arm 1105, the 5th motor
1104 regulation third link blocks 1103 can change viewing angle, and when third motor 609 works, main transmission bar 603 is driven actively
607 rotation of wheel, driving wheel 607 are driving driven wheel 610 to rotate, blackboard eraser 606 are made to move the mesh for reaching sassafras blackboard 7 from top to bottom
, when working blackboard 7 can rotate first motor 8, be placed into the back side on one side have a blackboard eraser 6, when a face blackboard 7 write it is full
The writing on blackboard 7 is wiped in Rotary Blackboard 7 when word, the work of automatic blackboard eraser 6.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (5)
1. a kind of business English BEC writing device, it is characterised in that: including pedestal (1), lifting device (2), thread bush (3),
First connecting rod (4), frame (5), automatic blackboard eraser (6), blackboard (7), first motor (8), placement plate (9), idler wheel (10) and
Mechanical arm (11);
The lower end surface of the pedestal (1) is equipped with idler wheel (10), and the left and right ends of pedestal (1) upper surface are equipped with lifting device
(2);One end of the first connecting rod (4) is connected by thread bush (3) with lifting device (2), outside first connecting rod (4)
It is equipped on wall mechanical arm (11), mechanical arm (11) is connected with frame (5);Automatic blackboard eraser is installed on the frame (5)
(6), be equipped with first motor (8) on the lateral wall of frame (5), on the output end of first motor (8) with one end phase of blackboard (7)
Connection, frame (5) inner sidewall are connected with the other end of blackboard (7);The placement plate (9) is mounted on the lower end of frame (5);
Lifting device (2) includes shell (201), the second motor (202), first bearing (203), ring gear (204), drive rod
(205), gear (206), second bearing (207), connection frame (208) and threaded rod (209);
Shell (201) are equipped with inside the connection frame (208), the second motor (202), the second motor are installed in shell (201)
(202) output end is connected with gear (206), and ring gear (204) is mounted on drive rod (205) and engages with gear (206),
Drive rod (205) is mounted on connection frame (208) by first bearing (203) and second bearing (207), drive rod (205) and
One end of threaded rod (209) is connected, and the other end of threaded rod (209) is connected by thread bush (3) with first connecting rod (4)
It connects.
2. a kind of business English BEC writing device according to claim 1, it is characterised in that: the automatic blackboard eraser
It (6) include conveyer belt (601), the machine that reduces starter of the binary shafts (602), driving shaft (603), connection sheet (604), the second connecting rod (605), black
Blackboard eraser (606), driving wheel (607), bearing block (608), third motor (609), driven wheel (610) and driven shaft (611);
The machine that reduces starter of the binary shafts (602) is mounted on the upper end of frame (5), the output end of third motor (609) and the machine that reduces starter of the binary shafts
(602) input terminal is connected, and the output end of the machine that reduces starter of the binary shafts (602) is connected with one end of driving shaft (603), driving shaft
(603) the other end is equipped with driving wheel (607), and driven shaft (611) is mounted on the lower end of frame (5), and the two of driven shaft (611)
End is respectively mounted driven wheel (610) driving wheel (607) and is connected by conveyer belt (601) with driven wheel (610), driving shaft (603)
It is fixed on frame (5) by bearing block (608) with driven shaft (611);The both ends of second connecting rod (605) pass through
Connection sheet (604) is connected with two conveyer belts (601), and the side of the second connecting rod (605) is equipped with blackboard eraser (606).
3. a kind of business English BEC writing device according to claim 1, it is characterised in that: the mechanical arm (11)
Including fixing seat (1101), the 4th motor (1102), third link block (1103), the 5th motor (1104) and large arm (1105);
The side of the fixing seat (1101) is equipped with the 4th motor (1102), and the side of large arm (1105) is equipped with the 5th motor
(1104), one end of large arm (1105) is connected with fixing seat (1101), the other end and third link block of large arm (1105)
(1103) it is connected, fixing seat (1101) is mounted on first connecting rod (4), and third link block (1103) is connected with frame (5)
It connects.
4. a kind of business English BEC writing device according to claim 1, it is characterised in that: the idler wheel (10) is
Anti-corrosive rubber self-locking universal rolling wheel.
5. a kind of business English BEC writing device according to claim 1, it is characterised in that: the blackboard (7) is double
The blackboard that face uses.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820084058.2U CN208411200U (en) | 2018-01-18 | 2018-01-18 | A kind of business English BEC writing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820084058.2U CN208411200U (en) | 2018-01-18 | 2018-01-18 | A kind of business English BEC writing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208411200U true CN208411200U (en) | 2019-01-22 |
Family
ID=65120925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820084058.2U Expired - Fee Related CN208411200U (en) | 2018-01-18 | 2018-01-18 | A kind of business English BEC writing device |
Country Status (1)
Country | Link |
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CN (1) | CN208411200U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109649047A (en) * | 2019-02-22 | 2019-04-19 | 哈尔滨学院 | A kind of environment-friendly type English letter is repeatable to write exercise device |
CN112455127A (en) * | 2020-11-27 | 2021-03-09 | 咸宁职业技术学院 | English teaching board capable of optically displaying four-line grids |
-
2018
- 2018-01-18 CN CN201820084058.2U patent/CN208411200U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109649047A (en) * | 2019-02-22 | 2019-04-19 | 哈尔滨学院 | A kind of environment-friendly type English letter is repeatable to write exercise device |
CN109649047B (en) * | 2019-02-22 | 2019-11-12 | 哈尔滨学院 | A kind of environment-friendly type English letter is repeatable to write exercise device |
CN112455127A (en) * | 2020-11-27 | 2021-03-09 | 咸宁职业技术学院 | English teaching board capable of optically displaying four-line grids |
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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: 20190122 Termination date: 20220118 |
|
CF01 | Termination of patent right due to non-payment of annual fee |