CN203611606U - Device for drawing lines on blackboard and for English teaching - Google Patents
Device for drawing lines on blackboard and for English teaching Download PDFInfo
- Publication number
- CN203611606U CN203611606U CN201320845679.5U CN201320845679U CN203611606U CN 203611606 U CN203611606 U CN 203611606U CN 201320845679 U CN201320845679 U CN 201320845679U CN 203611606 U CN203611606 U CN 203611606U
- Authority
- CN
- China
- Prior art keywords
- guide rod
- blackboard
- chalk
- wheel carrier
- pipe
- 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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Abstract
The utility model provides a device for drawing lines on a blackboard and for English teaching, and belongs to the technical field of teaching devices. According to the structure of the device, an upper wheel groove is formed in the upper border of the blackboard, a lower wheel groove is formed in the lower border of the blackboard, upper traveling wheels are arranged at the two ends of an upper wheel carrier respectively, lower traveling wheels are arranged at the two ends of a lower wheel carrier respectively, a guide rod is longitudinally arranged, the upper end of the guide rod is arranged in an upper sleeve in a penetrating and connected mode, the guide rod is sleeved with a damping sliding sleeve, a hinged support is arranged on the damping sliding sleeve, a hinged shaft is arranged at the end of the hinged support, a grab handle is hinged to the hinged shaft, a rake base is arranged at the tail end of the grab handle, a sliding rail groove is formed in the rake base, four chalk base pipes are arranged in the sliding rail groove, a spring is arranged in each chalk base pipe, each spring abuts against a chalk pipe, and each chalk pipe is sleeved with the corresponding chalk base pipe. According to the device for drawing the lines on the blackboard and for English teaching, due to the facts that the wheel groove formed in the upper border and the wheel groove formed in the lower border of the blackboard serve as guide rails for linear motion, and the upper wheel carrier and the lower wheel carrier serve as traveling mechanisms for the guide rod, the purpose of drawing a single straight line can be achieved, and the purpose of drawing a plurality of parallel lines can be achieved.
Description
Technical field
The utility model relates to teaching equipment technical field, specifically a kind of English teaching blackboard chalker.
Background technology
General, what English Instructor drew on the blackboard of being everlasting in the teaching of the primary stage of English that three rulings carry out illustrative writes English alphabet and word and short sentence, student is explained to the teaching of format write.In actual teaching, the multiplex set square of teacher or ruler carry out setting-out on blackboard, due to the limited length of set square and ruler, so needing teacher to draw multistage straight line more, straight line is spliced into a complete straight line, but three rulings need to draw four parallel straight lines, this brings burden to a certain extent to teacher's setting-out work, all consumes a lot of time in classroom when often setting-out, be unfavorable for classroom instruction, even affect quality of instruction.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of English teaching blackboard chalker is provided.
The technical solution of the utility model realizes in the following manner, this English teaching blackboard chalker, and its structure comprises blackboard, upper wheel carrier, lower wheel carrier and guide rod, and the upper side frame of blackboard is provided with race, and the lower frame of blackboard is provided with lower race; The two ends of upper wheel carrier are respectively arranged with road wheel, and upper road wheel lower limb is arranged in race, and upper wheel carrier center is provided with sleeve pipe; The two ends of lower wheel carrier are respectively arranged with lower road wheel, and lower road wheel top edge is arranged in lower race, and lower wheel carrier center is provided with setting of casing; One guide rod longitudinally arranging, the cross-under of guide rod upper end, in upper sleeve pipe, is provided with and tightens bolt on upper sleeve pipe, tightens bolt and revolves and be located on sleeve pipe tube wall, tightens bolt and guide rod apical grafting is fastening; The cross-under of lower end of the guide rod portion, in setting of casing, is provided with lower fastening bolt on setting of casing, lower fastening bolt revolves and is located on setting of casing tube wall, and lower fastening bolt and guide rod apical grafting are fastening; Guide rod upper sleeve through has a damping sliding sleeve, on damping sliding sleeve, be provided with free bearing, free bearing end is provided with hinge, is hinged with lever on hinge, and lever end is provided with rake seat, on rake seat, be provided with sliding-rail groove, in sliding-rail groove, be provided with four chalk seat pipes, chalk seat pipe is slidably connected with rake seat respectively, in each chalk seat pipe, is provided with spring, spring apical grafting chalk holder, chalk holder is set in chalk seat pipe.
Damping sliding sleeve on guide rod and guide rod slide revolving hinged.
Between chalk seat pipe and rake seat, be provided with and screw bolt.
The beneficial effect that the utility model compared with prior art produced is:
The race that this English teaching blackboard chalker utilization is offered on blackboard upper and lower side frame is as straight-line guide rail, utilize upper and lower wheel carrier to provide walking mechanism for guide rod, and rake seat is set on guide rod multiple chalk holders are provided, realize disposable many parallel lines that draw on blackboard, especially in the teaching of English, can be on blackboard once property on blackboard, draw equally spaced four parallel lines, provide three rulings for writing English, convenient and swift, the hinged rocking action of lever and free bearing can be realized according to the position of guide rod and the direction of motion respectively in the setting-out of guide rod both sides, that is: can from left to right setting-out on blackboard, also setting-out from right to left.Being set to of spring provides cushion effect between chalk holder and chalk seat pipe, avoids chalk to fracture.
This English teaching blackboard chalker has been realized walk on the blackboard effect of setting-out of chalk, facilitates teacher's writing and teaching on blackboard.This English teaching blackboard chalker both can have been realized picture single line bar straight line, can realize again picture multi-line parallel lines.
This English teaching blackboard chalker is reasonable in design, simple in structure, safe and reliable, easy to use, be easy to safeguard, has good value for applications.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Mark in accompanying drawing represents respectively:
1, blackboard, 2, upper side frame, 3, upper race, 4, lower frame, 5, lower race,
6, upper wheel carrier, 7, upper road wheel, 8, upper sleeve pipe,
9, lower wheel carrier, 10, lower road wheel, 11, setting of casing,
12, guide rod, 13, tighten bolt, 14, lower fastening bolt,
15, damping sliding sleeve, 16, free bearing, 17, hinge, 18, lever, 19, rake seat, 20, sliding-rail groove, 21, chalk seat pipe, 22, spring, 23, chalk holder, 24, screw bolt.
The specific embodiment
Below in conjunction with accompanying drawing, English teaching blackboard chalker of the present utility model is described in detail below.
As shown in drawings, English teaching blackboard chalker of the present utility model, its structure comprises blackboard 1, upper wheel carrier 6, lower wheel carrier 9 and guide rod 12, and the upper side frame 2 of blackboard 1 is provided with race 3, and the lower frame 4 of blackboard is provided with lower race 5; The two ends of upper wheel carrier 6 are respectively arranged with road wheel 7, and upper road wheel 7 lower limbs are arranged in race 3, and upper wheel carrier 6 centers are provided with sleeve pipe 8; The two ends of lower wheel carrier 9 are respectively arranged with lower road wheel 10, and lower road wheel 10 top edges are arranged in lower race 5, and lower wheel carrier 9 centers are provided with setting of casing 11; One guide rod 12 longitudinally arranging, guide rod 12 upper end cross-under, in upper sleeve pipe 8, are provided with and tighten bolt 13 on upper sleeve pipe 8, tighten bolt 13 and revolve and be located on sleeve pipe 8 tube walls, tighten bolt 13 fastening with guide rod 12 apical graftings; Guide rod 12 bottom cross-under, in setting of casing 11, are provided with lower fastening bolt 14 on setting of casing 11, lower fastening bolt 14 revolves and is located on setting of casing 11 tube walls, and lower fastening bolt 14 is fastening with guide rod 12 apical graftings; Guide rod 12 upper sleeve throughs have a damping sliding sleeve 15, on damping sliding sleeve 15, be provided with free bearing 16, free bearing 16 ends are provided with hinge 17, are hinged with lever 18 on hinge 17, and lever 18 ends are provided with rake seat 19, on rake seat 19, be provided with sliding-rail groove 20, in sliding-rail groove 20, be provided with four chalk seat pipes 21, chalk seat pipe 21 is slidably connected with rake seat 19 respectively, in each chalk seat pipe 21, is provided with spring 22, spring 22 apical grafting chalk holders 23, chalk holder 23 is set in chalk seat pipe 21.Damping sliding sleeve 15 on guide rod 12 slides revolving hinged with guide rod 12.Between chalk seat pipe 21 and rake seat 19, be provided with and screw bolt 24.
Claims (3)
1. English teaching blackboard chalker, is characterized in that comprising blackboard, upper wheel carrier, lower wheel carrier and guide rod,
The upper side frame of blackboard is provided with race, and the lower frame of blackboard is provided with lower race;
The two ends of upper wheel carrier are respectively arranged with road wheel, and upper road wheel lower limb is arranged in race, and upper wheel carrier center is provided with sleeve pipe;
The two ends of lower wheel carrier are respectively arranged with lower road wheel, and lower road wheel top edge is arranged in lower race, and lower wheel carrier center is provided with setting of casing;
One guide rod longitudinally arranging, the cross-under of guide rod upper end, in upper sleeve pipe, is provided with and tightens bolt on upper sleeve pipe, tightens bolt and revolves and be located on sleeve pipe tube wall, tightens bolt and guide rod apical grafting is fastening;
The cross-under of lower end of the guide rod portion, in setting of casing, is provided with lower fastening bolt on setting of casing, lower fastening bolt revolves and is located on setting of casing tube wall, and lower fastening bolt and guide rod apical grafting are fastening;
Guide rod upper sleeve through has a damping sliding sleeve, on damping sliding sleeve, be provided with free bearing, free bearing end is provided with hinge, is hinged with lever on hinge, and lever end is provided with rake seat, on rake seat, be provided with sliding-rail groove, in sliding-rail groove, be provided with four chalk seat pipes, chalk seat pipe is slidably connected with rake seat respectively, in each chalk seat pipe, is provided with spring, spring apical grafting chalk holder, chalk holder is set in chalk seat pipe.
2. English teaching blackboard chalker according to claim 1, is characterized in that damping sliding sleeve and the guide rod on guide rod slides revolving hinged.
3. English teaching blackboard chalker according to claim 1, is characterized in that being provided with and screwing bolt between chalk seat pipe and rake seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845679.5U CN203611606U (en) | 2013-12-20 | 2013-12-20 | Device for drawing lines on blackboard and for English teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845679.5U CN203611606U (en) | 2013-12-20 | 2013-12-20 | Device for drawing lines on blackboard and for English teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611606U true CN203611606U (en) | 2014-05-28 |
Family
ID=50764278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320845679.5U Expired - Fee Related CN203611606U (en) | 2013-12-20 | 2013-12-20 | Device for drawing lines on blackboard and for English teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203611606U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218280A (en) * | 2016-08-31 | 2016-12-14 | 赵明 | A kind of English teaching aid |
| CN108189597A (en) * | 2018-02-08 | 2018-06-22 | 陈文� | A kind of the English class teacher tool |
| CN110370244A (en) * | 2019-08-09 | 2019-10-25 | 中国五冶集团有限公司 | Empty iron track girder walks andante lineation device and its scribble method |
-
2013
- 2013-12-20 CN CN201320845679.5U patent/CN203611606U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218280A (en) * | 2016-08-31 | 2016-12-14 | 赵明 | A kind of English teaching aid |
| CN108189597A (en) * | 2018-02-08 | 2018-06-22 | 陈文� | A kind of the English class teacher tool |
| CN110370244A (en) * | 2019-08-09 | 2019-10-25 | 中国五冶集团有限公司 | Empty iron track girder walks andante lineation device and its scribble method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |