CN205439715U - English teaching appliance - Google Patents
English teaching appliance Download PDFInfo
- Publication number
- CN205439715U CN205439715U CN201620062931.9U CN201620062931U CN205439715U CN 205439715 U CN205439715 U CN 205439715U CN 201620062931 U CN201620062931 U CN 201620062931U CN 205439715 U CN205439715 U CN 205439715U
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- CN
- China
- Prior art keywords
- chalk
- holder
- connector
- expansion
- head
- 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 an english teaching appliance for on the blackboard quick standard mark three check of four -wire, characterized by: including two positioner, two slide bars, eight nuts and marking device, two positioner symmetries set up, and two slide bar parallel arrangement are between two positioner, and eight two liang on nuts are a set of, make slide bar and positioner fixed connection, marking device includes that body and four chalk clip hold the ware, the body side is equipped with two slide openings that are parallel to each other, and two slide bars pass this body coupling that two slide openings made two slide bars and marking device respectively, four chalk clip hold the ware and set up respectively in four vertical mounting holes, what this teaching aid can make things convenient for quick standard marks three check of the used four -wire of professor english.
Description
Technical field
This utility model relates to teaching equipment technical field, particularly a kind of English-teaching aid.
Background technology
At present, in the English teaching starting stage, teach 26 English letter capital and small letters and when writing of 48 International Phonetic Symbols, need on blackboard, draw four line three lattice, what teacher was used is all common ruler or the teaching aid such as set square by mathematics section, the spacing of the straight line grid of living is not of uniform size, and the width of letter is the most uncontrollable, very inconvenient, and waste time and energy.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of English-teaching aid, it is possible to fast and easy specification mark four line three lattice used that teach English.
In order to realize solving the purpose of above-mentioned technical problem, this utility model adopts the technical scheme that
A kind of English-teaching aid of the present utility model, marks four line three lattice for Express specification on blackboard, it is characterized in that: include two positioners, two slide bars, eight nuts and chalker；
Described positioner includes sucker, connector and support seat；The two ends of described connector are equipped with expansion-head, and described two expansion-head are provided with the through hole being parallel to each other；The lower section of described expansion-head is additionally provided with screwed hole；Described support seat is arranged over the first thread segment that the corresponding threaded holes with expansion-head closes, and the first thread segment supporting seat is arranged in the screwed hole of expansion-head；Described sucker is arranged on below support seat, is used for adsorbing blackboard；
Described slide bar two ends are equipped with the second thread segment；
Said two positioner is symmetrical arranged；Described two slide bars are set in parallel between two positioners, and second thread segment at each slide bar two ends is arranged in the through hole of expansion-head corresponding thereto；
One group two-by-two of described eight nuts, are separately positioned on second thread segment at two slide bar two ends, corresponding expansion-head are clamped, and make slide bar and positioner fix and are connected；
Described chalker includes body and four chalk holders；Described body side surface is provided with two slide openings being parallel to each other；Described two slide bars are each passed through two slide openings makes two slide bars be connected with the body of chalker；Described chalk holder includes housing, holder, adjusting rod, spring and chalk connector；Described housing is for setting female cylindrical section, and this cylindrical section lower end is provided with external screw thread；Described holder includes connecting portion and clamping part；Described connecting portion is provided with female thread, and connecting portion connects housing by the external screw thread of cylindrical section lower end；Described clamping part is the circular platform type component that through hole was made and be provided with to elastomeric material；Described clamping part is for clamping the chalk through through hole, and this clamping part is contraction state not by external force time, can open when the stress downward by chalk and makes chalk lean out and hold chalk tightly；Described adjusting rod is to be provided with the externally threaded cylinder matched with housing internal threads；Described spring one end connects adjusting rod lower end, and the other end connects chalk connector；Described chalk connector lower end is provided with the groove matched with chalk upper end, and described groove is used for clamping chalk；Connecting has the adjusting rod of spring and chalk connector to be arranged in housing；Four vertical installing holes that are equidistant and that be parallel to each other it are additionally provided with on described body；Described four chalk holders are separately positioned in four vertical installing holes.
Concrete: the vertical installing hole of described body is provided with female thread, and the shell of chalk holder is provided with the external screw thread that the female thread with vertical installing hole matches, and chalk holder is threaded connection with body.
Concrete: the connecting portion of described housing, adjusting rod and holder is metal or plastic material.
Concrete: the clamping part of described holder is quality of rubber materials.
Using method: during use, first assembles two positioners, two slide bars, eight nuts and chalker according to technical scheme；Then, take off the adjusting rod of each chalk holder, chalk is stuck in the groove of the chalk connector being connected with adjusting rod, the adjusting rod that connection has spring and chalk connector is arranged in housing, rotation adjusting lever, makes chalk lower end lean out 5-10mm from the holder of housing lower end, now, owing to the clamping part of holder is that elastomeric material is made, therefore clamping part will hold chalk tightly；Then the sucker on positioner is utilized to be fixed on blackboard by this teaching aid, mobile chalker, then can directly mark four line three lattice used that teach English, and, owing to chalk connector end is provided with spring, even if the situation such as user is firmly uneven or blackboard is the most uneven, the elastic force of this spring also is able to ensure that chalk uniformly exerts a force on blackboard, make its straight uniform marked attractive in appearance, and be not susceptible to the situations such as chalk fracture；After using a period of time, it is only necessary to rotation adjusting lever again, i.e. adjustable lean out the length of the chalk of holder；And, owing to this teaching aid makes user need not hold chalk, therefore utilize this teaching aid to use chalk so that user can substantially with complete root chalk or utilize discarded chalk end of giving lessons at ordinary times do again with, thus improve the utilization rate of chalk, economize on resources.
These technical schemes, the technical scheme including the technical scheme improved and improvement further can also be combined with each other or combines, thus reaches superior technique effect.
By using technique scheme, this utility model has a following beneficial effect:
A kind of English-teaching aid of the present utility model, can fast and easy specification mark four line three lattice used that teach English, and, utilize this teaching aid use chalk so that user can substantially with complete root chalk or utilize give lessons at ordinary times discarded chalk end do again with, thus improve the utilization rate of chalk, economize on resources.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of positioner.
Fig. 3 is the structural representation of connector.
Fig. 4 is the structural representation supporting seat.
Fig. 5 is the structural representation of chalker.
Fig. 6 is the structural representation of chalk holder.
Fig. 7 is the structural representation of holder.
Fig. 8 is the structural representation of housing.
Fig. 9 is the structural representation that adjusting rod passes through spring connection chalk connector.
Figure 10 is the structural representation of chalk connector.
In figure: 1-positioner, 2-nut, 3-slide bar, 4-chalker, 5-connector, 6-supports seat, 7-sucker, 8-expansion-head, 9-through hole, 10-the first thread segment, 11-body, 12-chalk holder, 13-slide opening, 14-adjusting rod, 15-housing, 16-holder, 17-connecting portion, 18-clamping part, 19-spring, 20-chalk connector, 21-groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings this patent is further explained.But the protection domain of this patent is not limited to specific embodiment.
Embodiment 1
As it can be seen, a kind of English-teaching aid of this patent, mark four line three lattice for Express specification on blackboard, it is characterized in that: include two positioners, 3, eight nuts 2 of 1, two slide bars and chalker 4；
Positioner 1 includes sucker 7, connector 5 and supports seat 6；The two ends of connector 5 are equipped with expansion-head 8, and two expansion-head 8 are provided with the through hole 9 being parallel to each other；The lower section of expansion-head 8 is additionally provided with screwed hole；Supporting seat 6 and be arranged over the first thread segment 10 that the corresponding threaded holes with expansion-head 8 closes, the first thread segment 10 supporting seat 6 is arranged in the screwed hole of expansion-head 8；Sucker 7 is arranged on below support seat 6, is used for adsorbing blackboard；Slide bar 3 two ends are equipped with the second thread segment；Two positioners 1 are symmetrical arranged；Two slide bars 3 are set in parallel between two positioners 1, and second thread segment at each slide bar 3 two ends is arranged in the through hole 9 of expansion-head 8 corresponding thereto；One group two-by-two of eight nuts 2, are separately positioned on second thread segment at two slide bar 3 two ends, corresponding expansion-head 8 are clamped, and make that slide bar 3 is fixing with positioner 1 to be connected.
Chalker 4 includes body 11 and four chalk holders 12；Body 11 side is provided with two slide openings 13 being parallel to each other；Two slide bars 3 are each passed through two slide openings 13 makes two slide bars 3 be connected with the body 11 of chalker 4；Chalk holder 12 includes housing 15, holder 16, adjusting rod 14, spring 19 and chalk connector 20；Housing 15 is for setting female cylindrical section, and this cylindrical section lower end is provided with external screw thread；Holder 16 includes connecting portion 17 and clamping part 18；Connecting portion 17 is provided with female thread, and connecting portion 17 connects housing 15 by the external screw thread of cylindrical section lower end；Clamping part 18 is made for elastomeric material and is provided with the circular platform type component of through hole 9；Clamping part 18 is for clamping the chalk through through hole 9, and this clamping part 18 is contraction state not by external force time, can open when the stress downward by chalk and makes chalk lean out and hold chalk tightly；Adjusting rod 14 is to be provided with the externally threaded cylinder matched with housing 15 female thread；Spring 19 one end connects adjusting rod 14 lower end, and the other end connects chalk connector 20；Chalk connector 20 lower end is provided with the groove 21 matched with chalk upper end, and groove 21 is for clamping chalk；Connecting has the adjusting rod 14 of spring 19 and chalk connector 20 to be arranged in housing 15；Four vertical installing holes that are equidistant and that be parallel to each other it are additionally provided with on body 11；Four chalk holders 12 are separately positioned in four vertical installing holes.
Wherein, the vertical installing hole of body 11 is provided with female thread, and the shell of chalk holder 12 is provided with the external screw thread that the female thread with vertical installing hole matches, and chalk holder 12 is threaded connection with body 11；The connecting portion 17 of housing 15, adjusting rod 14 and holder 16 is metal or plastic material, and the clamping part 18 of holder 16 is quality of rubber materials.
During use, first according to technical scheme, two positioners, 3, eight nuts 2 of 1, two slide bars and chalker 4 are assembled；Then, take off the adjusting rod 14 of each chalk holder 12, chalk is stuck in the groove 21 of the chalk connector 20 being connected with adjusting rod 14, the adjusting rod 14 that connection has spring 19 and chalk connector 20 is arranged in housing 15, rotation adjusting lever 14, makes chalk lower end lean out 5-10mm, now from the holder 16 of housing 15 lower end, owing to the clamping part 18 of holder 16 is made for elastomeric material, therefore clamping part 18 will hold chalk tightly；Then the sucker 7 on positioner 1 is utilized to be fixed on blackboard by this teaching aid, mobile chalker 4, then can directly mark four line three lattice used that teach English, and, owing to chalk connector 20 end is provided with spring 19, even if the situation such as user is firmly uneven or blackboard is the most uneven, the elastic force of this spring 19 also is able to ensure that chalk uniformly exerts a force on blackboard, make its straight uniform marked attractive in appearance, and be not susceptible to the situations such as chalk fracture；After using a period of time, it is only necessary to rotation adjusting lever 14 again, i.e. adjustable lean out the length of the chalk of holder 16；And, owing to this teaching aid makes user need not hold chalk, therefore utilize this teaching aid to use chalk so that user can substantially with complete root chalk or utilize discarded chalk end of giving lessons at ordinary times do again with, thus improve the utilization rate of chalk, economize on resources.
Claims (4)
1. an English-teaching aid, on blackboard Express specification mark four line three lattice, it is characterized in that: include two positioners, two slide bars, eight nuts and chalker；
Described positioner includes sucker, connector and support seat；The two ends of described connector are equipped with expansion-head, and described two expansion-head are provided with the through hole being parallel to each other；The lower section of described expansion-head is additionally provided with screwed hole；Described support seat is arranged over the first thread segment that the corresponding threaded holes with expansion-head closes, and the first thread segment supporting seat is arranged in the screwed hole of expansion-head；Described sucker is arranged on below support seat, is used for adsorbing blackboard；
Described slide bar two ends are equipped with the second thread segment；
Said two positioner is symmetrical arranged；Described two slide bars are set in parallel between two positioners, and second thread segment at each slide bar two ends is arranged in the through hole of expansion-head corresponding thereto；
One group two-by-two of described eight nuts, are separately positioned on second thread segment at two slide bar two ends, corresponding expansion-head are clamped, and make slide bar and positioner fix and are connected；
Described chalker includes body and four chalk holders；Described body side surface is provided with two slide openings being parallel to each other；Described two slide bars are each passed through two slide openings makes two slide bars be connected with the body of chalker；Described chalk holder includes housing, holder, adjusting rod, spring and chalk connector；Described housing is for setting female cylindrical section, and this cylindrical section lower end is provided with external screw thread；Described holder includes connecting portion and clamping part；Described connecting portion is provided with female thread, and connecting portion connects housing by the external screw thread of cylindrical section lower end；Described clamping part is the circular platform type component that through hole was made and be provided with to elastomeric material；Described clamping part is for clamping the chalk through through hole, and this clamping part is contraction state not by external force time, can open when the stress downward by chalk and makes chalk lean out and hold chalk tightly；Described adjusting rod is to be provided with the externally threaded cylinder matched with housing internal threads；Described spring one end connects adjusting rod lower end, and the other end connects chalk connector；Described chalk connector lower end is provided with the groove matched with chalk upper end, and described groove is used for clamping chalk；Connecting has the adjusting rod of spring and chalk connector to be arranged in housing；Four vertical installing holes that are equidistant and that be parallel to each other it are additionally provided with on described body；Described four chalk holders are separately positioned in four vertical installing holes.
The most according to claim 1, English-teaching aid, is characterized in that: the vertical installing hole of described body is provided with female thread, and the shell of chalk holder is provided with the external screw thread that the female thread with vertical installing hole matches, and chalk holder is threaded connection with body.
The most according to claim 1, English-teaching aid, is characterized in that: the connecting portion of described housing, adjusting rod and holder is metal or plastic material.
The most according to claim 1, English-teaching aid, is characterized in that: the clamping part of described holder is quality of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062931.9U CN205439715U (en) | 2016-01-22 | 2016-01-22 | English teaching appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062931.9U CN205439715U (en) | 2016-01-22 | 2016-01-22 | English teaching appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205439715U true CN205439715U (en) | 2016-08-10 |
Family
ID=56581158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620062931.9U Expired - Fee Related CN205439715U (en) | 2016-01-22 | 2016-01-22 | English teaching appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205439715U (en) |
-
2016
- 2016-01-22 CN CN201620062931.9U patent/CN205439715U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20200122 |