CN208664732U - Combined classroom instruction apparatus - Google Patents
Combined classroom instruction apparatus Download PDFInfo
- Publication number
- CN208664732U CN208664732U CN201721492681.3U CN201721492681U CN208664732U CN 208664732 U CN208664732 U CN 208664732U CN 201721492681 U CN201721492681 U CN 201721492681U CN 208664732 U CN208664732 U CN 208664732U
- Authority
- CN
- China
- Prior art keywords
- mobile jib
- slot position
- shaped surface
- fan
- secondary bar
- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of combined classroom instruction apparatus, including mobile jib and bevel protractor, one side end face of the mobile jib is provided with meter ruler graduation mark, the lower end of the mobile jib is provided with the first slot position, the bevel protractor includes fan-shaped surface, several support chips, one end of several support chips is hinged with one heart, the equiangularly spaced head and the tail of several support chips are successively fitted on fan-shaped surface, the structure design of the utility model is reasonable, the bevel protractor, and it can all be stored respectively to the first slot position and the second slot position using the secondary bar of picture circle, the mobile jib not only has the measurement effect of traditional scale simultaneously, auxiliary scale can be cooperated as the measurement of vernier caliper simultaneously, so that daily physics, accurately measuring in the teaching of mathematics.
Description
Technical field
The utility model relates to a kind of combined classroom instruction apparatus.
Background technique
Teaching ruler, graduated scale, bevel protractor, vernier caliper used in teaching etc. are all separately to be separately provided at present, in day
It is both inconvenient in often teaching use, and the size of existing knockdown teaching aid is larger at present, the function without storage,
It is unfavorable for carrying, popularizes and utilization rate is not high.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
Reason can carry out the combined classroom instruction apparatus of storage folding.
The technical scheme in the invention for solving the above technical problem is: a kind of combined classroom instruction apparatus, including
Mobile jib and bevel protractor, a side end face of the mobile jib are provided with meter ruler graduation mark, and the lower end of the mobile jib is provided with
One slot position, the bevel protractor include fan-shaped surface, several support chips, and one end of several support chips is hinged with one heart, described
The equiangularly spaced head and the tail of several support chips be successively fitted on fan-shaped surface, the support chip of head end is fixed with the first slot position, described
Fan-shaped surface setting support chip position be provided with folding line so that fan-shaped surface can by tail end support successively along the support of head end
Piece folds, and the edge of the fan-shaped surface is provided with angle index line.
It is further: sliding slot is provided with below the meter ruler graduation mark, sliding is provided with auxiliary scale on the sliding slot,
Subscale mark is arranged in the auxiliary scale, and described subscale mark 49mm etc. points 50 indexing is constituted, and the mobile jib is in meter ruler scale
The end of a thread end position is provided with the first fixture block, and the head end of the auxiliary scale is provided with the second fixture block.
Further: the upper end of the mobile jib is provided with the second slot position, and second slot position is provided with secondary bar, described
Secondary bar one end and the second slot position one end it is hinged, one end of the mobile jib is provided with head end handle, the other end of mobile jib
It is provided with rubber column, the other end of the secondary bar is provided with the fixes sleeve for chalk to be arranged, so that chalk is arranged
In fixes sleeve.
Further: the secondary bar is hinged on the second slot position by articulation piece, the articulation piece include fixed loop bar,
Fixed thread circle and angle index circle, the fixation loop bar rotation are threaded through in the first slot position, and the one of the fixation loop bar
End is provided with instruction disk, and the cylinder of the other end of the fixation loop bar is provided with the screw thread with the cooperation of fixed thread circle, described
Fixed thread circle be equipped in one end of fixed loop bar, the angle index snare is located at the outside of instruction disk and and mobile jib
End face is fixed, and the end face of the instruction disk is provided with pointer, and the end face of the angle index circle is provided with and pointer cooperation
Angle of rotation graduation mark.
Further: the secondary bar is two section telescopic bars.
The utility model compared with prior art, has the following advantages that and effect: angle reasonable in design, described
It ruler and can all be stored respectively to the first slot position and the second slot position using the secondary bar of picture circle, while the mobile jib is not only
Measurement effect with traditional scale, while auxiliary scale can be cooperated as the measurement of vernier caliper, so that daily physics, mathematics
Accurately measuring in teaching, while the articulation piece of secondary bar setting can survey the angulation of secondary bar and mobile jib when secondary bar extends out
Amount, when bevel protractor and secondary bar are stored to the first slot position and the second slot position, utility model device can also be used in middle finger of imparting knowledge to students
Show the effect of bar, while convenient transportation, it is vdiverse in function, it can be used for meeting many purposes in daily teaching.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the combined classroom instruction apparatus of the utility model embodiment.
Fig. 2 is the structural schematic diagram of the utility model embodiment articulation piece.
Fig. 3 is the connection schematic diagram of the utility model embodiment graduated ring and instruction disk.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Referring to figures 1-3, a kind of combined classroom instruction apparatus of the present embodiment, including mobile jib 1 and bevel protractor, it is described
One side end face of mobile jib 1 is provided with meter ruler graduation mark 11, and the lower end of the mobile jib 1 is provided with the first slot position, the angle
Ruler includes fan-shaped surface 21, several support chips 22, and one end of several support chips 22 is hinged with one heart, several support chips
22 equiangularly spaced head and the tail are successively fitted on fan-shaped surface 21, and support chip 22 and the first slot position of head end are fixed, the sector
Face 21 is provided with folding line in the position of setting support chip 22, so that fan-shaped surface 21 can be by the support of tail end successively along the support of head end
Piece 22 folds, and the edge of the fan-shaped surface 21 is provided with angle index line 23, the lower section setting of the meter ruler graduation mark 11
There is sliding slot 12, sliding is provided with auxiliary scale 3 on the sliding slot 12, and subscale mark 31, the secondary quarter is arranged in the auxiliary scale 3
It spends line 49mm etc. points 50 indexing to constitute, the mobile jib 1 is provided with the first fixture block 13 in 11 head-end location of meter ruler graduation mark, described
The head end of auxiliary scale 3 be provided with the second fixture block 32, the upper end of the mobile jib is provided with the second slot position 14, second slot position
14 are provided with secondary bar 5, and one end of the secondary bar 5 and one end of the second slot position 14 are hinged, and one end of the mobile jib 1 is provided with
Head end handle 6, the other end of mobile jib 1 are provided with rubber column 15, and the other end of the secondary bar 5 is provided with for powder to be arranged
The fixes sleeve 51 of pen, so that chalk is set in fixes sleeve 51, the secondary bar 5 is hinged on the second slot position by articulation piece
14, the articulation piece includes fixed loop bar 61, fixed thread circle 62 and angle index circle 63, and the fixation loop bar 61 rotates
Be threaded through in the first slot position, one end of the fixation loop bar 61 be provided with instruction disk 64, the fixation loop bar 61 it is another
The cylinder at end is provided with the screw thread cooperated with fixed thread circle 62, and the fixed thread circle 62 is equipped in fixed loop bar 61
One end, the angle index circle 63 be set in instruction disk 64 outside and fixed with 1 end face of mobile jib, the instruction disk 64
End face be provided with pointer 641, the end face of the angle index circle 63 is provided with the angle of rotation graduation mark cooperated with pointer 641
631, the secondary bar 5 is two section telescopic bars, and the structure design of the utility model is reasonable, the bevel protractor and utilization picture circle
Secondary bar 5 can all store respectively to the first slot position and the second slot position 14, while the mobile jib 1 not only have traditional quarter
The measurement of degree acts on, while auxiliary scale 3 can be cooperated as the measurement of vernier caliper, so that the essence in the teaching of daily physics, mathematics
Locating tab assembly, while the articulation piece that secondary bar 5 is arranged can measure secondary bar 5 and the angulation of mobile jib 1 when secondary bar 5 extends out, and work as angle
When spending ruler and the storage of secondary bar 5 to the first slot position and the second slot position 14, utility model device can also be used in indicating arm in teaching
Effect, while convenient transportation is vdiverse in function, can be used for meeting many teaching tasks in daily teaching.
Above content is only illustrate to examples for clearly illustrating the present invention described in this specification.The utility model
Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
It encloses, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of combined classroom instruction apparatus, it is characterised in that: including mobile jib and bevel protractor, a side of the mobile jib
Face is provided with meter ruler graduation mark, and the lower end of the mobile jib is provided with the first slot position, and the bevel protractor includes fan-shaped surface, several
One end of support chip, several support chips is hinged with one heart, and the equiangularly spaced head and the tail of several support chips are successively bonded
On fan-shaped surface, the support chip of head end is fixed with the first slot position, and the fan-shaped surface is provided with folding in the position of setting support chip
Trace, so that fan-shaped surface can successively be folded along the support chip of head end by the support of tail end, the edge of the fan-shaped surface is provided with angle
Spend graduation mark.
2. combined classroom instruction apparatus according to claim 1, it is characterised in that: the lower section of the meter ruler graduation mark
It is provided with sliding slot, sliding is provided with auxiliary scale on the sliding slot, and subscale mark, the subscale mark is arranged in the auxiliary scale
49mm etc. points 50 indexing is constituted, and the mobile jib is provided with the first fixture block in meter ruler graduation mark head-end location, the auxiliary scale
Head end is provided with the second fixture block.
3. combined classroom instruction apparatus according to claim 1, it is characterised in that: the upper end of the mobile jib is provided with
Second slot position, second slot position are provided with secondary bar, and one end of the secondary bar and one end of the second slot position are hinged, described
One end of mobile jib is provided with head end handle, and the other end of mobile jib is provided with rubber column, the other end setting of the secondary bar
There is the fixes sleeve for chalk to be arranged, so that chalk is set in fixes sleeve.
4. combined classroom instruction apparatus according to claim 3, it is characterised in that: the secondary bar is cut with scissors by articulation piece
It connects in the second slot position, the articulation piece includes fixed loop bar, fixed thread circle and angle index circle, and the fixation loop bar turns
Dynamic to be threaded through in the first slot position, one end of the fixation loop bar is provided with instruction disk, the other end of the fixation loop bar
Cylinder is provided with the screw thread with the cooperation of fixed thread circle, and the fixed thread circle is equipped in one end of fixed loop bar, institute
The angle index snare stated is located at the outside of instruction disk and fixes with mobile jib end face, and the end face of the instruction disk is provided with pointer,
The end face of the angle index circle is provided with the angle of rotation graduation mark with pointer cooperation.
5. combined classroom instruction apparatus according to claim 3, it is characterised in that: the secondary bar is flexible for two sections
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492681.3U CN208664732U (en) | 2017-11-08 | 2017-11-08 | Combined classroom instruction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492681.3U CN208664732U (en) | 2017-11-08 | 2017-11-08 | Combined classroom instruction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208664732U true CN208664732U (en) | 2019-03-29 |
Family
ID=65820410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721492681.3U Expired - Fee Related CN208664732U (en) | 2017-11-08 | 2017-11-08 | Combined classroom instruction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208664732U (en) |
-
2017
- 2017-11-08 CN CN201721492681.3U patent/CN208664732U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20191108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |