CN206030890U - A marking off dolly for realizing quick writing on blackboard of english classroom - Google Patents

A marking off dolly for realizing quick writing on blackboard of english classroom Download PDF

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Publication number
CN206030890U
CN206030890U CN201620787704.2U CN201620787704U CN206030890U CN 206030890 U CN206030890 U CN 206030890U CN 201620787704 U CN201620787704 U CN 201620787704U CN 206030890 U CN206030890 U CN 206030890U
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China
Prior art keywords
poppet
arc cutting
dolly
fore
stock
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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
Application number
CN201620787704.2U
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Chinese (zh)
Inventor
梁光华
郑娟
苗勤
王淑君
许庆庆
Original Assignee
梁光华
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Priority to CN201620787704.2U priority Critical patent/CN206030890U/en
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Publication of CN206030890U publication Critical patent/CN206030890U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a marking off dolly for realizing quick writing on blackboard of english classroom, including fore -stock, after -poppet, screw rod, turnbuckle, dead lever and arc cutting ferrule, the front wheel is connected to the fore -stock bottom, and the hinge is passed through on the fore -stock top and the after -poppet top is connected, after -poppet bottom and rear connection, fore -stock and after -poppet be respectively through two screw rods of hinged joint, two screw rods pass through the turnbuckle to be connected, after -poppet outside arrangement dead lever, the dead lever outside is fixed and is set up four arc cutting ferrules, arc cutting ferrule lateral wall is provided with the opening. The utility model discloses a straight line of dolly roll to replace the action that the past rule with the hand, and the dolly is fixed at the back simultaneously settles four arc cutting ferrules, makes things convenient for the dolly at rolling in -process, and past time and the classroom teaching time of ruling with the hand is not only saved to the quartering line that can directly draw up, has improved the quality of instruction simultaneously.

Description

A kind of line dolly for realizing the quick writing on the blackboard of English Class
Technical field
The utility model relates to field, and in particular to be it is a kind of for realize the quick writing on the blackboard of English Class draw Line dolly.
Background technology
English (English), belongs to the language in Indo-European family of languages under linguistic subfamily.According to the population number meter using English as mother tongue Calculate, English is the official language that most countries use, English is also widest second language in the world, and European Union and many International organization and the official language of British commonwealth of nations, possess the mother tongue user number of third place in the world, only less than Chinese and west Class's tooth language mother tongue user number.
Therefore it is also have very energetically meaning to study English for China goes to the world, and belongs to class of languages yet with English Subject, cause the teaching aid that can use when teaching seldom, when particularly English teacher does writing on the blackboard on blackboard, to lead to There is four line lattice of picture not level when often, cause the English letter for writing out also unbecoming, have impact on quality of instruction.Therefore, Yi Zhongneng Enough instruments for quickly drawing quartile on blackboard just seem necessary.
Utility model content
The purpose of this utility model is to provide a kind of line dolly for realizing the quick writing on the blackboard of English Class, to solve The problem proposed in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:It is a kind of to be used for realizing the quick plate of English Class The line dolly of book, including fore-stock, after-poppet, screw rod, turnbuckle, fix bar and arc cutting ferrule, the fore-stock bottom connects Front-wheel is connect, fore-stock top passes through hinge and after-poppet top connects, the after-poppet bottom and trailing wheel connect, and fore-stock is with after Support is connected through the hinge two screw rods respectively, and described two screw rods are connected by turnbuckle, dispose fix bar on the outside of after-poppet, Four arc cutting ferrules are fixedly installed on the outside of the fix bar, and the arc cutting ferrule side wall is provided with opening.
Preferably, the turnbuckle shell is fixedly installed rotary spanner.
Preferably, four arcs cutting ferrule spacing is equal and orientation is in the same direction with after-poppet.
Preferably, the arc cutting ferrule internal cavities size and white board marker outside dimension are adapted.
The beneficial effects of the utility model are:The action rule with handss by the straight-line rolling replacement past of dolly, while Four arc cutting ferrules of fixed in position behind dolly, are connected by arc cutting ferrule and white board marker, facilitate dolly during rolling, Quartile can be directly drawn, the time and classroom instruction time of past handss line is not only saved, while improve teaching Quality.
Description of the drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model arc cutting ferrule and fix bar connection diagram;
Fig. 3 is this utility model arc ferrule structure schematic diagram;
In figure:1 fore-stock, 2 front-wheels, 3 after-poppets, 4 trailing wheels, 5 screw rods, 6 turnbuckles, 7 fix bars, 8 arc cutting ferrules.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.
A kind of line for realizing the quick writing on the blackboard of English Class that this utility model is provided as shown in Figure 1 to Figure 3 is little Car, including fore-stock 1, after-poppet 3, screw rod 5, turnbuckle 6, fix bar 7 and arc cutting ferrule 8, before the connection of 1 bottom of the fore-stock Wheel 2,1 top of fore-stock passes through hinge and 3 top of after-poppet connects, and 3 bottom of the after-poppet and trailing wheel 4 connect, 1 He of fore-stock After-poppet 3 is connected through the hinge two screw rods 5 respectively, and described two screw rods 5 are connected by turnbuckle 6, is disposed on the outside of after-poppet 3 Fix bar 7, is fixedly installed four arc cutting ferrules 8 on the outside of the fix bar 7,8 side wall of the arc cutting ferrule is provided with opening.
Further, 6 shell of the turnbuckle is fixedly installed rotary spanner.
Further, four arc cutting ferrules, 8 spacing is equal and orientation is in the same direction with after-poppet 3.
Further, 8 internal cavities size of the arc cutting ferrule and white board marker outside dimension are adapted.
When in use, it is only necessary to according to the length of white board marker, set screw set 6 so that fore-stock 1 and after-poppet 3 Angle it is appropriate, white board marker is filled in arc cutting ferrule 8 then, it is possible to mark the four of English on blackboard with hand propelled dolly Separated time, to meet the needs of line.So as to solve the complicated processes that need with ruler and blank stroke lines over.
Finally it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although being described in detail to this utility model with reference to the foregoing embodiments, for those skilled in the art For, which still can be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc., Should be included within protection domain of the present utility model.

Claims (4)

1. a kind of line dolly for realizing the quick writing on the blackboard of English Class, including fore-stock (1), after-poppet (3), screw rod (5), Turnbuckle (6), fix bar (7) and arc cutting ferrule (8), it is characterised in that:Fore-stock (1) bottom connection front-wheel (2), front Frame (1) top passes through hinge and after-poppet (3) top connects, and after-poppet (3) bottom and trailing wheel (4) connect, fore-stock (1) It is connected through the hinge respectively two screw rods (5) with after-poppet (3), described two screw rod (5) are connected by turnbuckle (6), are propped up afterwards Fix bar (7) is disposed on the outside of frame (3), and four arc cutting ferrules (8), the arc cutting ferrule is fixedly installed on the outside of fix bar (7) (8) side wall is provided with opening.
2. a kind of line dolly for realizing the quick writing on the blackboard of English Class according to claim 1, it is characterised in that:Institute State turnbuckle (6) shell and rotary spanner is fixedly installed.
3. a kind of line dolly for realizing the quick writing on the blackboard of English Class according to claim 1, it is characterised in that:Institute State equal four arc cutting ferrule (8) spacing and orientation and after-poppet (3) are in the same direction.
4. a kind of line dolly for realizing the quick writing on the blackboard of English Class according to claim 1, it is characterised in that:Institute State arc cutting ferrule (8) internal cavities size and white board marker outside dimension is adapted.
CN201620787704.2U 2016-07-26 2016-07-26 A marking off dolly for realizing quick writing on blackboard of english classroom Expired - Fee Related CN206030890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620787704.2U CN206030890U (en) 2016-07-26 2016-07-26 A marking off dolly for realizing quick writing on blackboard of english classroom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620787704.2U CN206030890U (en) 2016-07-26 2016-07-26 A marking off dolly for realizing quick writing on blackboard of english classroom

Publications (1)

Publication Number Publication Date
CN206030890U true CN206030890U (en) 2017-03-22

Family

ID=58311151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620787704.2U Expired - Fee Related CN206030890U (en) 2016-07-26 2016-07-26 A marking off dolly for realizing quick writing on blackboard of english classroom

Country Status (1)

Country Link
CN (1) CN206030890U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108891175A (en) * 2018-07-09 2018-11-27 陈烁 Wheeled drawing beeline ruler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108891175A (en) * 2018-07-09 2018-11-27 陈烁 Wheeled drawing beeline ruler

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170322

Termination date: 20170726

CF01 Termination of patent right due to non-payment of annual fee