CN206259077U - A kind of portable mathematics teaching aid - Google Patents
A kind of portable mathematics teaching aid Download PDFInfo
- Publication number
- CN206259077U CN206259077U CN201621232035.9U CN201621232035U CN206259077U CN 206259077 U CN206259077 U CN 206259077U CN 201621232035 U CN201621232035 U CN 201621232035U CN 206259077 U CN206259077 U CN 206259077U
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- CN
- China
- Prior art keywords
- chi
- teaching aid
- mathematics teaching
- fixedly connected
- draw
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Abstract
The utility model is related to mathematics teaching aid technical field, and disclose a kind of portable mathematics teaching aid, including left chi and right chi, one end of the left chi is fixedly connected with kelly, and the side that the left chi is located at kelly offers spacing hole, and the other end of the left chi is fixedly connected with one end of bull stick, the other end of the bull stick is fixedly connected with the side of half nahlock, pivoted housing is inlaid with the bull stick, the inside of the pivoted housing is socketed with support bar, and the support bar is fixedly connected on the inwall of right chi.The portable mathematics teaching aid, by the setting of bull stick, half nahlock, pivoted housing, support bar and dead slot, meter ruler is set preferably to complete to fold, solve the problems, such as that the two ends of existing meter ruler cause to carry inconvenient with corner angle, avoid the situation generation that corner angle when carrying scratch human body, injury is brought to teacher so as to solve the problems, such as that meter ruler scratches teacher, the teaching quality of teacher is not affected.
Description
Technical field
The utility model is related to mathematics teaching aid technical field, specially a kind of portable mathematics teaching aid.
Background technology
Mathematics teaching aid, be math teacher at school when most important instrument, mathematics teaching aid can help math teacher more square
Just during the content to be taught of displaying, makes student to say content with apparent lively understanding, and meter ruler is mathematics teaching aid
A kind of indispensable teaching aid.Meter ruler, is a kind of instrument for measuring length, is also a kind of long measure.As survey tool, often
It is that measurement length is carved with centimetre and millimeter scale is wooden or plastic ruler, only one meter of amount centimetre to be measurement unit
Degree length, can not be bent, and teaching is used；Used as measurement unit, then usual three chi is one meter.
At present, the existing mathematics teaching aid of in the market, is all when in use a plank long, and plank two ends
Corner angle are all carried, it is very inconvenient when carrying, cause can the situation generation that corner angle scratch human body when carrying, with
Injury is brought as teaching teacher, so as to have impact on the teaching quality of teacher.
Utility model content
（One）The technical problem of solution
In view of the shortcomings of the prior art, the utility model provides a kind of portable mathematics teaching aid, possesses and is easy to take
The advantages of band is with avoiding corner angle from scratching human body, the presence that solving existing meter ruler two ends has corner angle causes to scratch human body and carrying
When inconvenient problem.
（Two）Technical scheme
For realize it is above-mentioned be easy to carry and avoid corner angle from scratching human body purpose, the utility model provides following technical scheme：
A kind of portable mathematics teaching aid, including left chi and right chi, one end of the left chi are fixedly connected with kelly, the left chi position
Offer spacing hole in the side of kelly, the other end of the left chi is fixedly connected with one end of bull stick, the bull stick it is another
End is fixedly connected with the side of half nahlock, and pivoted housing is inlaid with the bull stick, and the inside of the pivoted housing is socketed with support bar, described
Support bar is fixedly connected on the inwall of right chi, and the inside of the right chi offers dead slot, is plugged with the top of the right chi slotting
Bar, the surface of the inserted link is fixedly connected with protective cover, and the side of the right chi offers draw-in groove, and the right chi is located at draw-in groove bottom
The side in portion is inlaid with sliding sleeve, and the inside of the sliding sleeve is socketed with gag lever post, and one end of the gag lever post passes through sliding sleeve and extends
To the outside of right chi, one end that the gag lever post extends to outside sliding sleeve is fixedly connected with the side of arm-tie, the arm-tie it is another
Side is fixedly connected with draw ring, and the arm-tie is fixedly connected by spring away from the side of gag lever post with the side of right chi.
Preferably, the quantity of the kelly has two, and two kellies with spacing hole as axis for symmetrical axial symmetry sets
Put.
Preferably, the quantity of the spring has two, and two springs with gag lever post for symmetry axis is symmetrical arranged.
Preferably, the quantity of the draw-in groove has two, and two draw-in grooves with the axis of right chi side be symmetrical axial symmetry
Set.
Preferably, kelly is corresponding with the position of draw-in groove when the left chi is closed with right chi, and kelly and draw-in groove size
It is adapted.
Preferably, the quantity of the inserted link has two, and the axis of two inserted links and protective cover is set for symmetrical axial symmetry
Put.
Preferably, the position of spacing hole is corresponding with the position of gag lever post when the left chi is closed with right chi.
（Three）Beneficial effect
Compared with prior art, the utility model provides a kind of portable mathematics teaching aid, possesses following beneficial effect
Really：
1st, the portable mathematics teaching aid, by the setting of bull stick, half nahlock, pivoted housing, support bar and dead slot, makes meter ruler
Can preferably complete to fold, solve the problems, such as that the two ends of existing meter ruler cause to carry inconvenient with corner angle, it is to avoid
Corner angle scratch the situation generation of human body when carrying, and injury is brought to teacher so as to solve meter ruler scuffing teacher
Problem, is not affected the teaching quality of teacher.
2nd, portable mathematics teaching aid, by kelly, spacing hole, draw-in groove, sliding sleeve, gag lever post, arm-tie, draw ring and bullet
The setting of spring, allows meter ruler to be preferably fixed when folding, and can occur so as to solve after the completion of meter ruler is fixed
The situation of loosening, so that meter ruler is more easily carried after the completion of folding, the situation for making meter ruler be less likely to occur to scratch human body is sent out
It is raw.
Brief description of the drawings
Fig. 1 is the utility model overlooking the structure diagram；
Fig. 2 is the utility model positive structure diagram；
Fig. 3 is structural representation when the utility model is folded；
Fig. 4 is the left chi side structure schematic view of the utility model.
In figure：1 left chi, 2 right chis, 3 kellies, 4 spacing holes, 5 bull sticks, 6 half nahlocks, 7 pivoted housings, 8 support bars, 9 dead slots, 10 are inserted
Bar, 11 protective covers, 12 draw-in grooves, 13 sliding sleeves, 14 gag lever posts, 15 arm-ties, 16 draw rings, 17 springs.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the 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 the utility model protection.
Fig. 1-4, a kind of portable mathematics teaching aid, including left chi 1 and right chi 2 are referred to, one end of left chi 1 is fixed and connected
Kelly 3 is connected to, the side that left chi 1 is located at kelly 3 offers spacing hole 4, and the quantity of kelly 3 there are two, and two kellies 3 are with limit
Position hole 4 is that axis is symmetrical arranged for symmetry axis, and the other end of left chi 1 is fixedly connected with one end of bull stick 5, bull stick 5 it is another
End is fixedly connected with the side of half nahlock 6, by the setting of half nahlock 6, meter ruler corner angle when folding is blocked,
Pivoted housing 7 is inlaid with bull stick 5, the inside of pivoted housing 7 is socketed with support bar 8, and support bar 8 is fixedly connected on the inwall of right chi 2, it is right
The inside of chi 2 offers dead slot 9, by the setting of bull stick 5, half nahlock 6, pivoted housing 7, support bar 8 and dead slot 9, makes the meter ruler can be with
Preferably complete to fold, solve the problems, such as that the two ends of existing meter ruler cause to carry inconvenient with corner angle, it is to avoid taking
With when corner angle scratch human body situation occur, so as to solve meter ruler scratch teacher bring asking for injury to teacher
Topic, is not affected the teaching quality of teacher, and the top of right chi 2 is plugged with inserted link 10, and the surface of inserted link 10 is fixedly connected
There is protective cover 11, the be shaped as U-shaped, and edges and corners of containment vessel 11 are smooth shape, and the quantity of inserted link 10 has two, and two inserted links
10 with the axis of protective cover 11 for symmetry axis is symmetrical arranged, the side of right chi 2 offers draw-in groove 12, and the quantity of draw-in groove 12 has two
It is individual, and two draw-in grooves 12 are symmetrical arranged by symmetry axis of the axis of the side of right chi 2, right chi 2 is located at the side of the bottom of draw-in groove 12
Sliding sleeve 13 is inlaid with, kelly 3 is corresponding with the position of draw-in groove 13 when left chi 1 is closed with right chi 2, and kelly 3 and draw-in groove 13 is big
Small to be adapted, the inside of sliding sleeve 13 is socketed with gag lever post 14, the position of spacing hole 4 and gag lever post 14 when left chi 1 is closed with right chi 2
Position it is corresponding, one end of gag lever post 14 is through sliding sleeve 13 and extends to the outside of right chi 2, and gag lever post 14 extends to sliding sleeve 13
Outside one end is fixedly connected with the side of arm-tie 15, by the setting of sliding sleeve 13, gag lever post 14 is preferably slided, and draws
The opposite side of plate 15 is fixedly connected with draw ring 16, and arm-tie 15 passes through the side of spring 17 and right chi 2 away from the side of gag lever post 14
Be fixedly connected, the quantity of spring 17 has two, and two springs 17 with gag lever post 14 for symmetry axis is symmetrical arranged, by kelly 3,
The setting of spacing hole 4, draw-in groove 12, sliding sleeve 13, gag lever post 14, arm-tie 15, draw ring 16 and spring 17, make meter ruler fold when
Can preferably be fixed, so as to solve situation about can be loosened after the completion of meter ruler is fixed, so that meter ruler has been folded
More easily carried after, the situation for making meter ruler be less likely to occur to scratch human body occurs.
When in use, toggled it in dead slot 9 by by left chi 1, make kelly 3 and the clamping of draw-in groove 12, while draw ring 16 is pulled,
Arm-tie 15 is pulled gag lever post 14, gag lever post 14 is extracted a part out, make after the completion of kelly 3 and the clamping of draw-in groove 12, come loose draw ring
16 make gag lever post 14 and the clamping of spacing hole 4 by the pulling force of spring 17, so as to complete to fold.
In sum, portable mathematics teaching aid, by bull stick 5, half nahlock 6, pivoted housing 7, support bar 8 and dead slot 9
Setting, allow meter ruler preferably to complete to fold, solve the two ends of existing meter ruler causes to carry inconvenient with corner angle
Problem, it is to avoid corner angle scratch the situation of human body and occur when carrying, so as to solve meter ruler scratch teacher to
Teacher brings the problem of injury, is not affected the teaching quality of teacher, by kelly 3, spacing hole 4, draw-in groove 12, sliding sleeve
13rd, the setting of gag lever post 14, arm-tie 15, draw ring 16 and spring 17, allows meter ruler to be preferably fixed when folding,
So as to solve situation about can be loosened after the completion of meter ruler is fixed, so that meter ruler is more easily carried after the completion of folding, make
The situation that meter ruler is less likely to occur to scratch human body occurs.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of portable mathematics teaching aid, including left chi（1）With right chi（2）, it is characterised in that：The left chi（1）One
End is fixedly connected with kelly（3）, the left chi（1）Positioned at kelly（3）Side offer spacing hole（4）, the left chi（1）'s
The other end and bull stick（5）One end be fixedly connected, the bull stick（5）The other end and half nahlock（6）Side be fixedly connected, institute
State bull stick（5）On be inlaid with pivoted housing（7）, the pivoted housing（7）Inside be socketed with support bar（8）, the support bar（8）It is fixed to connect
It is connected on right chi（2）Inwall on, the right chi（2）Inside offer dead slot（9）, the right chi（2）Top be plugged with it is slotting
Bar（10）, the inserted link（10）Surface be fixedly connected with protective cover（11）, the right chi（2）Side offer draw-in groove
（12）, the right chi（2）Positioned at draw-in groove（12）The side of bottom is inlaid with sliding sleeve（13）, the sliding sleeve（13）Inside be socketed with
Gag lever post（14）, the gag lever post（14）One end pass through sliding sleeve（13）And extend to right chi（2）Outside, the gag lever post
（14）Extend to sliding sleeve（13）Outside one end and arm-tie（15）Side be fixedly connected, the arm-tie（15）Opposite side fix
It is connected with draw ring（16）, the arm-tie（15）Away from gag lever post（14）Side pass through spring（17）With right chi（2）Side consolidate
Fixed connection.
2. a kind of portable mathematics teaching aid according to claim 1, it is characterised in that：The kelly（3）Quantity
There are two, and two kellies（3）With spacing hole（4）For axis for symmetry axis is symmetrical arranged.
3. a kind of portable mathematics teaching aid according to claim 1, it is characterised in that：The spring（17）Quantity
There are two, and two springs（17）With gag lever post（14）For symmetry axis is symmetrical arranged.
4. a kind of portable mathematics teaching aid according to claim 1, it is characterised in that：The draw-in groove（12）Quantity
There are two, and two draw-in grooves（12）With right chi（2）The axis of side is symmetrical arranged for symmetry axis.
5. a kind of portable mathematics teaching aid according to claim 1, it is characterised in that：The left chi（1）With right chi
（2）Kelly during closure（3）With draw-in groove（13）Position it is corresponding, and kelly（3）And draw-in groove（13）Size be adapted.
6. a kind of portable mathematics teaching aid according to claim 1, it is characterised in that：The inserted link（10）Quantity
There are two, and two inserted links（10）With protective cover（11）Axis be symmetrical arranged for symmetry axis.
7. a kind of portable mathematics teaching aid according to claim 1, it is characterised in that：The left chi（1）With right chi
（2）Spacing hole during closure（4）Position and gag lever post（14）Position it is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232035.9U CN206259077U (en) | 2016-11-17 | 2016-11-17 | A kind of portable mathematics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232035.9U CN206259077U (en) | 2016-11-17 | 2016-11-17 | A kind of portable mathematics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259077U true CN206259077U (en) | 2017-06-16 |
Family
ID=59025058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621232035.9U Expired - Fee Related CN206259077U (en) | 2016-11-17 | 2016-11-17 | A kind of portable mathematics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907300A (en) * | 2019-11-19 | 2020-03-24 | 李昂钊 | Accurate detection device of multi-functional drawing teaching aid |
-
2016
- 2016-11-17 CN CN201621232035.9U patent/CN206259077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907300A (en) * | 2019-11-19 | 2020-03-24 | 李昂钊 | Accurate detection device of multi-functional drawing teaching aid |
| CN110907300B (en) * | 2019-11-19 | 2020-06-23 | 李昂钊 | Accurate detection device of multi-functional drawing teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20171117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |