CN201693931U - English four-line lattice scriber - Google Patents
English four-line lattice scriber Download PDFInfo
- Publication number
- CN201693931U CN201693931U CN2010201146756U CN201020114675U CN201693931U CN 201693931 U CN201693931 U CN 201693931U CN 2010201146756 U CN2010201146756 U CN 2010201146756U CN 201020114675 U CN201020114675 U CN 201020114675U CN 201693931 U CN201693931 U CN 201693931U
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- CN
- China
- Prior art keywords
- hole
- guide hole
- jacket
- chuck
- pilot hole
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to an English four-line lattice scriber, wherein four guide holes are arranged at equal distances on a baseplate along the length direction thereof, a sliding slot is arranged on the lateral surface of the baseplate corresponding to each guide hole, a slidable jacket for placing a chalk is installed in each guide hole, a compression spring is installed in each guide hole, both ends of the compression spring are respectively abutted against the annular end surface of the jacket and the inner bottom circumferential surface of each guide hole, a dust exhausting hole communicated with the inner cavity of each guide hole is arranged on the rear end surface of the baseplate corresponding to each guide hole, two fastening bolts are arranged corresponding to each jacket, the threaded rod part of each fastening bolt penetrates through the wall thickness of the sliding slot to be screwed on the radial thread through hole of the jacket through threads, and the front end part of each fastening bolt is positioned in the inner hole of the jacket. The utility model can rapidly scribe a four-line lattice on a blackboard, and lines are normative, so that English teachers are relieved from repeated and boring scribing, and the utility model saves time, avoids the distraction of students due to long time in the scribing process and has easy manufacture, simple installation and convenient operation.
Description
Technical field:
The utility model relates to a kind of teaching appliance, especially a kind of English stave scriber.
Background technology:
When the English class is imparted knowledge to students, on blackboard, draw the writing style of four line lattice with the standard student.But the teacher will constantly draw four lines on blackboard, and class line will have been spent a lot of times, time-consuming consumption power, and it is inhomogeneous rule, has influenced the effect of practicing, and efficient is lower, and the teacher rules holding time when growing, and the student is absent-minded easily.
Summary of the invention:
The purpose of this utility model provides a kind of English stave scriber, solves slow, the nonstandard technical problem of ruling of stroke four line lattice speed on blackboard.
The purpose of this utility model realizes as follows: a substrate is arranged, on its length direction of substrate upper edge all apart from four pilot holes are arranged, corresponding each pilot hole of substrate side surfaces has chute, the chuck that slidably is used to place chalk is housed in each pilot hole, device compression spring in each pilot hole, the compression both ends of the spring leans respectively in chuck ring end face and pilot hole on the end side face, corresponding each chuck is provided with two holding screws, the thread rod part of holding screw passes the chute wall thickness and is screwed on the chuck tapped through hole radially by screw thread, and the front end of holding screw is in the chuck endoporus.After inserting chalk in the chuck, tighten holding screw chalk is clamped.The effect one of holding screw is fixing chalk; The 2nd, spacing to chuck, avoid chuck under the effect of compression spring, in pilot hole, to deviate from.During use, the teacher only need grab substrate on the other hand, allows chalk contact blackboard, and level slides and can easily mark uniform four lines, because the elastic reaction of compression spring can make four chalks all contact with blackboard well, can not occur lacking the line problem during line.
Corresponding each pilot hole of substrate rear end face has the dust exhausting hole that is communicated with the pilot hole inner chamber.Can pour out the chalk powder that remains in the pilot hole by it, perhaps chalk fracture back ejects chalk with elongated thing by it.
The utility model can mark four line lattice fast on blackboard, the lines standard makes the English Instructor from again and again, free the dry line, save time, avoid in the scratching process that the student is absent-minded because the time is long, and make easily, install simple, easy to operate.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment:
With reference to accompanying drawing, on its length direction of substrate 1 upper edge all apart from four pilot holes 7 are arranged, corresponding each pilot hole 7 in substrate 1 side has chute 2, the chuck 4 that slidably is used to place chalk 8 is housed in each pilot hole 7, device compression spring 5 in each pilot hole 7, compression spring 5 two ends lean respectively in chuck 4 ring end faces and pilot hole 7 on the end side face, corresponding each pilot hole 7 of substrate 1 rear end face has the dust exhausting hole 6 that is communicated with pilot hole 7 inner chambers, corresponding each chuck 4 is provided with two holding screws 3, the thread rod part of holding screw 3 passes chute 2 wall thickness and is screwed on chuck 4 tapped through hole radially by screw thread, and the front end of holding screw 3 is in chuck 4 endoporus.
Claims (2)
1. English stave scriber, a substrate is arranged, it is characterized in that: on its length direction of substrate (1) upper edge all apart from four pilot holes (7) are arranged, corresponding each pilot hole of substrate side surfaces (7) has chute (2), the chuck (4) that slidably is used to place chalk (8) is housed in each pilot hole (7), device compression spring (5) in each pilot hole (7), compression spring (5) two ends lean respectively in chuck (4) ring end face and pilot hole (7) on the end side face, corresponding each chuck (4) is provided with two holding screws (3), the thread rod part of holding screw (3) passes the chute wall thickness and is screwed on chuck (4) tapped through hole radially by screw thread, and the front end of holding screw (3) is in chuck (4) endoporus.
2. English stave scriber according to claim 1 is characterized in that: corresponding each pilot hole of substrate (1) rear end face has the dust exhausting hole (6) that is communicated with the pilot hole inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201146756U CN201693931U (en) | 2010-02-08 | 2010-02-08 | English four-line lattice scriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201146756U CN201693931U (en) | 2010-02-08 | 2010-02-08 | English four-line lattice scriber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201693931U true CN201693931U (en) | 2011-01-05 |
Family
ID=43395176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201146756U Expired - Fee Related CN201693931U (en) | 2010-02-08 | 2010-02-08 | English four-line lattice scriber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201693931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143084A (en) * | 2019-06-13 | 2019-08-20 | 江苏海事职业技术学院 | Four line lattice Quick scribing devices in a kind of English teaching board |
-
2010
- 2010-02-08 CN CN2010201146756U patent/CN201693931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110143084A (en) * | 2019-06-13 | 2019-08-20 | 江苏海事职业技术学院 | Four line lattice Quick scribing devices in a kind of English teaching board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20120208 |