CN203713340U - Automatic English scriber - Google Patents
Automatic English scriber Download PDFInfo
- Publication number
- CN203713340U CN203713340U CN201420036126.XU CN201420036126U CN203713340U CN 203713340 U CN203713340 U CN 203713340U CN 201420036126 U CN201420036126 U CN 201420036126U CN 203713340 U CN203713340 U CN 203713340U
- Authority
- CN
- China
- Prior art keywords
- connects
- relay
- expansion link
- motor
- head end
- 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
Links
- 238000004804 winding Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 4
- 239000003550 marker Substances 0.000 description 3
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model discloses an automatic English scriber with an aim to solve the problems that four grid lines drawn through an existing English scriber which cannot automatically scribe are not standard and working efficiency of teachers is lowered. The automatic English scriber comprises a scriber support (6) which is fixed on the upper portion of a blackboard (22), a groove is formed in the front portion of the scriber support (6), a slideway (29) is arranged inside the groove, and the lower portion of the left side of the scriber support is connected to a left telescopic rod (5) which is fixed through a bolt (4).
Description
Technical field
the utility model relates to a kind of English autoscore.
Background technology
existing scriber for English drawing conventionally can not system for automatic marker making, causes English four rulings that draw nonstandard, has also reduced teacher's operating efficiency simultaneously.
Summary of the invention
the purpose of this utility model is to provide a kind of without manpower, English autoscore that can system for automatic marker making.
above-mentioned object realizes by following technical scheme:
a kind of English autoscore, its composition comprises: scriber support, described scriber support is fixed on the top of blackboard, described scriber support front portion has groove, described inside grooves has slideway, the bottom in the left side of described scriber support is soldered connects left expansion link, and described left expansion link passes through bolted.
described English autoscore, the bottom of described left expansion link connects left cross bar, the soldered motor that connects of described left cross bar, the both sides, front and back of described motor all connect the first pulley, the first pulley comprises the first front wheel and the first rear wheel, the first described front wheel slides on the first front slideway, and the first described rear wheel slides on the first rear slide, and the lower end of the first described front slideway and the first described rear slide is connected and fixed the lower end of blackboard.
described English autoscore, described motor connects one end of leading screw, the other end connecting axle bearing of described leading screw, the both sides, front and back of described bearing block all connect the second pulley, the second pulley comprises the second front wheel and the second rear wheel, the second described front wheel slides on the second front slideway, and the second described rear wheel slides on the second rear slide, and the lower end of the second described front slideway and the second described rear slide is connected and fixed the lower end of blackboard.
described English autoscore, described bearing block connects right cross bar, and described right cross bar connects right expansion link, the soldered scriber support that connects in top of described right expansion link, described right expansion link connecting bolt is fastening.
described English autoscore, described leading screw connects feed screw nut, the top of described feed screw nut connects middle part expansion link, described middle part expansion link connects pulley, described pulley slides in slideway, the left side of described feed screw nut connects left rotary shaft, described left rotary shaft connects left chalk folder, described left chalk clamp has 4 semicircular grooves, the bottom of described left chalk folder has left magnetic sheet, the right side of described feed screw nut connects right spindle, described right spindle connects right chalk folder, described right chalk clamp has 4 the semicircular grooves corresponding with left chalk folder, the bottom of described right chalk folder has right magnetic sheet, the bottom of described blackboard has two press buttones, two described press buttones are divided into the first press button and the second press button.
described English autoscore, power firestreak L connects the head end of the first press button SB1, described power firestreak also connects the head end of the second press button SB2, the end of the first press button SB1 connects the normally closed head end of the second relay K 2, the normally closed end of the second relay K 2 connects the head end of the coil of the first relay K 1, the end of the second press button SB2 connects the normally closed head end of the first relay K 1, the normally closed end of the first relay K 1 connects the head end of the coil of the second relay K 2, the end of the coil of the second relay K 2 connects the end of the coil of the first relay K 1, the end of the coil of the second described relay K 2 also connects zero-power line N, described power firestreak also connects the head end of often opening of the first relay K 1, the end of often opening of the first relay K 1 connects one end of capacitor C, described power firestreak also connects the head end of often opening of the second relay K 2, the end of often opening of the second relay K 2 connects the other end of capacitor C, the end of often opening of the first described relay K 1 also connects the head end of the first winding of motor M, the end of often opening of the second described relay K 2 also connects the head end of the second winding of motor M, the end of motor M the first winding connects the end of motor M the second winding, the end of described motor M the first winding also connects zero-power line N.
beneficial effect:
1. the utility model, without manpower, can be drawn English four rulings automatically, has improved teacher's operating efficiency.
the utility model is used circuit the operation of button control motor to rule, and makes the line standard drawing.
the utility model is easy to use, and circuit operation is accurately sensitive.
the utility model i.e. use of scriber of leaving behind, pushes to scriber recoverable, does not account for other space.
accompanying drawing explanation:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is left side structural representations of this product.
accompanying drawing 3 is right side structural representations of this product.
accompanying drawing 4 is circuit diagrams of this product.
the specific embodiment:
embodiment 1:
a kind of English autoscore, its composition comprises: scriber support 6, described scriber support 6 is fixed on the top of blackboard 22, described scriber support 6 front portions have groove, described inside grooves has slideway 29, the bottom in the left side of described scriber support 6 is soldered connects left expansion link 5, and described left expansion link 5 is fastening by bolt 4.Scriber support and blackboard are fixed, and expansion link and scriber support are fixed, and stationarity is good, and when needs are used, the scriber of leaving behind, determines after height fixedly expansion link system for automatic marker making, after using, shifts scriber onto blackboard top fixedly expansion link.
embodiment 2:
english autoscore described in embodiment 1, the bottom of described left expansion link 5 connects left cross bar 3, the soldered motor 2 that connects of described left cross bar 3, the both sides, front and back of described motor 2 all connect the first pulley, the first pulley comprises the first front wheel 26 and the first rear wheel 11, the first described front wheel 26 slides on the first front slideway 1, the first described rear wheel 11 slides on the first rear slide 25, and the lower end of the first described front slideway 1 and the first described rear slide 25 is connected and fixed the lower end of blackboard 22.Motor slides and slides in the middle of two side slideways.
embodiment 3:
english autoscore described in embodiment 2, described motor 2 connects one end of leading screw 23, the other end connecting axle bearing 15 of described leading screw, the both sides, front and back of described bearing block 15 all connect the second pulley, the second pulley comprises the second front wheel 30 and the second rear wheel 31, the second described front wheel 30 slides on the second front slideway 16, the second described rear wheel 31 slides on the second rear slide 32, and the lower end of the second described front slideway 16 and the second described rear slide 32 is connected and fixed the lower end of blackboard 22.Bearing block slides and slides in the middle of two side slideways.
embodiment 4:
english autoscore described in embodiment 3, described bearing block 15 connects right cross bar 14, and described right cross bar 14 connects right expansion link 12, the soldered scriber support 6 that connects in top of described right expansion link 12, described right expansion link 12 connecting bolts 13 are fastening.Bearing block is fixed on scriber support by right expansion link, fixation, stable.
embodiment 5:
english autoscore described in embodiment 4, described leading screw 23 connects feed screw nut 8, the top of described feed screw nut 8 connects middle part expansion link 27, described middle part expansion link 27 connects pulley 28, described pulley 28 slides in slideway 29, the left side of described feed screw nut 8 connects left rotary shaft 7, described left rotary shaft 7 connects left chalk folder 21, described left chalk folder 21 has 4 semicircular grooves, the bottom of described left chalk folder 21 has left magnetic sheet 20, the right side of described feed screw nut 8 connects right spindle 9, described right spindle 9 connects right chalk folder 10, described right chalk folder 10 has with left chalk and presss from both sides 21 4 corresponding semicircular grooves, the bottom of described right chalk folder 10 has right magnetic sheet 19, the bottom of described blackboard 22 has two press buttones, two described press buttones are divided into the first press button 17 and the second press button 18.The first press button is for turn right line press button, the second press button are for toward left side line press button.Left chalk folder passes through firmly adhesive chalk of both sides magnetic sheet with right chalk folder, easy to use.
embodiment 6:
english autoscore described in embodiment 5, power firestreak L connects the head end of the first press button SB1, described power firestreak also connects the head end of the second press button SB2, the end of the first press button SB1 connects the normally closed head end of the second relay K 2, the normally closed end of the second relay K 2 connects the head end of the coil of the first relay K 1, the end of the second press button SB2 connects the normally closed head end of the first relay K 1, the normally closed end of the first relay K 1 connects the head end of the coil of the second relay K 2, the end of the coil of the second relay K 2 connects the end of the coil of the first relay K 1, the end of the coil of the second described relay K 2 also connects zero-power line N, described power firestreak also connects the head end of often opening of the first relay K 1, the end of often opening of the first relay K 1 connects one end of capacitor C, described power firestreak also connects the head end of often opening of the second relay K 2, the end of often opening of the second relay K 2 connects the other end of capacitor C, the end of often opening of the first described relay K 1 also connects the head end of the first winding of motor M, the end of often opening of the second described relay K 2 also connects the head end of the second winding of motor M, the end of motor M the first winding connects the end of motor M the second winding, the end of described motor M the first winding also connects zero-power line N.When pinning the first press button SB1, the first relay K 1 obtains electric, the first relay K 1 normally open contact is closed, normally closed interlock disconnects, motor M obtains electric forward operation, and feed screw nut drives the operation to the right of chalk folder, after reaching appropriate length, unclamp the first press button SB1, the first relay K 1 dead electricity, contact resets, and motor M dead electricity is out of service.When pressing the second press button SB2, the second relay K 2 obtains electric, the second relay K 2 normally open contacts are closed, normally closed interlock disconnects, motor M obtains electric reversion operation, and feed screw nut drives the operation left of chalk folder, after reaching appropriate length, unclamp the second press button SB2, the second relay K 2 dead electricity, contact resets, and motor M dead electricity is out of service.Use circuit controling motor, without manpower line, improve teaching job efficiency.
Claims (1)
1. an English autoscore, its composition comprises: scriber support, it is characterized in that: described scriber support is fixed on the top of blackboard, described scriber support front portion has groove, described inside grooves has slideway, the bottom in the left side of described scriber support is soldered connects left expansion link, described left expansion link passes through bolted, the bottom of described left expansion link connects left cross bar, the soldered motor that connects of described left cross bar, the both sides, front and back of described motor all connect the first pulley, the first pulley comprises the first front wheel and the first rear wheel, the first described front wheel slides on the first front slideway, the first described rear wheel slides on the first rear slide, the lower end of the first described front slideway and the first described rear slide is connected and fixed the lower end of blackboard, described motor connects one end of leading screw, the other end connecting axle bearing of described leading screw, the both sides, front and back of described bearing block all connect the second pulley, the second pulley comprises the second front wheel and the second rear wheel, the second described front wheel slides on the second front slideway, the second described rear wheel slides on the second rear slide, the lower end of the second described front slideway and the second described rear slide is connected and fixed the lower end of blackboard, described bearing block connects right cross bar, described right cross bar connects right expansion link, the soldered scriber support that connects in top of described right expansion link, described right expansion link connecting bolt is fastening, described leading screw connects feed screw nut, the top of described feed screw nut connects middle part expansion link, described middle part expansion link connects pulley, described pulley slides in slideway, the left side of described feed screw nut connects left rotary shaft, described left rotary shaft connects left chalk folder, described left chalk clamp has 4 semicircular grooves, the bottom of described left chalk folder has left magnetic sheet, the right side of described feed screw nut connects right spindle, described right spindle connects right chalk folder, described right chalk clamp has 4 the semicircular grooves corresponding with left chalk folder, the bottom of described right chalk folder has right magnetic sheet, the bottom of described blackboard has two press buttones, two described press buttones are divided into the first press button and the second press button, power firestreak L connects the head end of the first press button SB1, described power firestreak also connects the head end of the second press button SB2, the end of the first press button SB1 connects the normally closed head end of the second relay K 2, the normally closed end of the second relay K 2 connects the head end of the coil of the first relay K 1, the end of the second press button SB2 connects the normally closed head end of the first relay K 1, the normally closed end of the first relay K 1 connects the head end of the coil of the second relay K 2, the end of the coil of the second relay K 2 connects the end of the coil of the first relay K 1, the end of the coil of the second described relay K 2 also connects zero-power line N, described power firestreak also connects the head end of often opening of the first relay K 1, the end of often opening of the first relay K 1 connects one end of capacitor C, described power firestreak also connects the head end of often opening of the second relay K 2, the end of often opening of the second relay K 2 connects the other end of capacitor C, the end of often opening of the first described relay K 1 also connects the head end of the first winding of motor M, the end of often opening of the second described relay K 2 also connects the head end of the second winding of motor M, the end of motor M the first winding connects the end of motor M the second winding, the end of described motor M the first winding also connects zero-power line N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036126.XU CN203713340U (en) | 2014-01-21 | 2014-01-21 | Automatic English scriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036126.XU CN203713340U (en) | 2014-01-21 | 2014-01-21 | Automatic English scriber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203713340U true CN203713340U (en) | 2014-07-16 |
Family
ID=51152530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420036126.XU Expired - Fee Related CN203713340U (en) | 2014-01-21 | 2014-01-21 | Automatic English scriber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203713340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196746A (en) * | 2015-10-13 | 2015-12-30 | 贺佳 | English language teaching blackboard |
-
2014
- 2014-01-21 CN CN201420036126.XU patent/CN203713340U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196746A (en) * | 2015-10-13 | 2015-12-30 | 贺佳 | English language teaching blackboard |
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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: 20140716 Termination date: 20160121 |
|
| EXPY | Termination of patent right or utility model |