CN207140632U - A kind of Multifunctional math teaching aid - Google Patents
A kind of Multifunctional math teaching aid Download PDFInfo
- Publication number
- CN207140632U CN207140632U CN201720587264.0U CN201720587264U CN207140632U CN 207140632 U CN207140632 U CN 207140632U CN 201720587264 U CN201720587264 U CN 201720587264U CN 207140632 U CN207140632 U CN 207140632U
- Authority
- CN
- China
- Prior art keywords
- expansion link
- gripping claw
- spring
- teaching aid
- sleeve
- 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 discloses a kind of Multifunctional math teaching aid, including the first expansion link, first expansion link both ends are flexibly connected by damping joint with the second expansion link and the 3rd expansion link respectively, and the second expansion link end is hinged with the first gripping claw, and the 3rd expansion link end is hinged with the second gripping claw；Expansion link is provided with sleeve, sleeve is plugged with footstalk, first gripping claw is provided with first connecting rod, the first corpus unguis that first connecting rod both ends are respectively articulated with the second expansion link and section is C-shaped, first corpus unguis upper right end is flexibly connected by the first spring hinge with coupler body, second gripping claw is provided with second connecting rod, the second corpus unguis, second spring hinge and the second coupler body, in the second gripping claw structure with the first gripping claw rotational symmetry；The utility model pull-up draw ring, brake block do not abut with footstalk, can adjust the length of expansion link, after gripping claw is snapped together, form a specified angle and the set square of size, link can be placed conveniently within hook.
Description
Technical field
It the utility model is related to teaching equipment field, and in particular to a kind of Multifunctional math teaching aid.
Background technology
Ruler and the set square of various angle specifications play a significant role in mathematical education, but due to mathematical education
The middle set square for needing to use all size, cause set square inconvenient to carry and traditional using a whole block material cutting and
Into angle can not be changed.
The content of the invention
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, there is provided a kind of multifunctional mathmatical religion
Apparatus is learned, the set square of all size can be become by changing the form of the length of side.
To realize above-mentioned technical purpose and the technique effect, the utility model is to be achieved through the following technical solutions：
A kind of Multifunctional math teaching aid, including the first expansion link, the first expansion link both ends pass through damping respectively
Joint is flexibly connected with the second expansion link and the 3rd expansion link, and the second expansion link end is hinged with the first gripping claw, and described
Three expansion link ends are hinged with the second gripping claw；
The expansion link is provided with sleeve, and the sleeve is plugged with footstalk, opened up in the sleeve it is fluted, in the groove
Provided with the brake block freely up and down slided, the brake block abuts with the first spring of top, is connected with the top of the brake block
Hawser, the hawser are connected to draw ring after passing through sleeve；
The damping joint is provided with housing, and the housing is plugged with handler, and the housing is lived by pivot pin and handler
Dynamic connection, the handler offer cavity, are provided with the friction plate freely up and down moved in the cavity, the friction plate with it is upper
The second spring of side abuts；
First gripping claw is provided with first connecting rod, and the first connecting rod both ends have been respectively articulated with the second expansion link and section is
First corpus unguis of C-shaped, the first corpus unguis upper right end are flexibly connected by the first spring hinge with coupler body, second gripping claw
Provided with second connecting rod, the second corpus unguis, second spring hinge and the second coupler body, revolved in the second gripping claw structure with the first gripping claw
Turn symmetrical.
Further, first expansion link is fixed with link.
Further, the link surface is fixed with rubber ring.
Further, first spring is equal footpath helical spring.
Further, the second spring is equal footpath helical spring.
Income effect of the present utility model is：
1st, pull-up draw ring, brake block do not abut with footstalk, can adjust the length of expansion link, gripping claw is snapped together
Afterwards, a specified angle and the set square of size are formed.
2nd, link can be placed conveniently within hook.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the structural representation of teaching aid described in the utility model；
Fig. 2 is the structural representation of expansion link described in the utility model；
Fig. 3 is the structural representation in damping joint described in the utility model；
Fig. 4 is the structural representation of gripping claw described in the utility model；
Fig. 5 is that gripping claw described in the utility model holds the structural representation being combined；
In accompanying drawing, the list of parts representated by each label is as follows：
The expansion links of 101- first, the expansion links of 102- second, the expansion links of 103- the 3rd, 104- sleeves, 105- footstalks, 106- are recessed
Groove, 107- brake blocks, the springs of 108- first, 109- hawsers, 110- draw rings；
200- damps joint, 201- housings, 202- rotating shaft handles, 203- pivot pins, 204- cavitys, 205- friction plates, 206- the
Two springs；
The gripping claws of 301- first, the gripping claws of 302- second, 303- first connecting rods, the corpus unguis of 304- first, the spring hinges of 305- first,
306- coupler bodies, 307- second connecting rods, the corpus unguis of 308- second, 309- second spring hinges, the coupler bodies of 310- second；
400- links, 401- rubber rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, 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 all other embodiment obtained, belong to the scope of the utility model protection.
As Figure 1-5, the utility model is a kind of Multifunctional math teaching aid, including the first expansion link 101, first
The both ends of expansion link 101 are flexibly connected by damping joint 200 with the second expansion link 102 and the 3rd expansion link 103 respectively, and second stretches
The end of contracting bar 102 is hinged with the first gripping claw 301, and the end of the 3rd expansion link 103 is hinged with the second gripping claw 302；
Expansion link 101,102,103 is provided with sleeve 104, and sleeve 104 is plugged with footstalk 105, opened up in sleeve 104 fluted
106, groove 106 is interior to be provided with the brake block 107 freely up and down slided, and brake block 107 abuts with the first spring 108 of top, stops
The top of car piece 107 is connected with hawser 109, and hawser 109 is connected to draw ring 110, pull-up draw ring 110, brake block after passing through sleeve 104
107 do not abut with footstalk 105, can adjust the length of expansion link 101,102,103；
Damping joint 200 is provided with housing 201, and housing 201 is plugged with handler 202, and housing 201 is by pivot pin 203 with turning
Dynamic handle 202 is flexibly connected, and handler 202 offers cavity 204, and the friction plate 205 freely up and down moved is provided with cavity 204,
Friction plate 205 abuts with the second spring 206 of top；
First gripping claw 301 is provided with first connecting rod 303, and the both ends of first connecting rod 303 have been respectively articulated with the second expansion link 102 and cutd open
Face is the first corpus unguis 304 of C-shaped, and the upper right end of the first corpus unguis 304 is flexibly connected by the first spring hinge 305 with coupler body 306,
Second gripping claw 302 is provided with second connecting rod 307, the second corpus unguis 308, the coupler body 310 of second spring hinge 309 and second, and second holds
In the structure of pawl 302 with the rotational symmetry of the first gripping claw 301, after gripping claw 301,302 is snapped together, form a specified angle and
The set square of size.
Wherein, the first expansion link 101 is fixed with link 400, and convenient hang up is placed.
Wherein, the surface of link 400 is fixed with rubber ring 401, and anti-sliding stop comes off.
Wherein, the first spring 108 is equal footpath helical spring, and mechanical performance is more preferable.
Wherein, second spring 206 is equal footpath helical spring, and mechanical performance is more preferable.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
With reference to specific features that the embodiment or example describe, structure, material live feature be contained in it is of the present utility model at least one
In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment also not limit the utility model.Obviously, according to this theory
The content of bright book, it can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle and practical application of the present utility model is explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (5)
- A kind of 1. Multifunctional math teaching aid, it is characterised in that：Including the first expansion link（101）, first expansion link （101）Both ends are respectively by damping joint（200）With the second expansion link（102）With the 3rd expansion link（103）It is flexibly connected, it is described Second expansion link（102）End is hinged with the first gripping claw（301）, the 3rd expansion link（103）End is hinged with the second gripping claw （302）；The expansion link（101,102,103）Provided with sleeve（104）, the sleeve（104）It is plugged with footstalk（105）, it is described Sleeve（104）Inside open up fluted（106）, the groove（106）It is interior provided with the brake block freely up and down slided（107）, it is described Brake block（107）With the first spring of top（108）Abut, the brake block（107）Top is connected with hawser（109）, it is described Hawser（109）Through sleeve（104）After be connected to draw ring（110）；The damping joint（200）Provided with housing（201）, the shell Body（201）It is plugged with handler（202）, the housing（201）Pass through pivot pin（203）With handler（202）It is flexibly connected, it is described Handler（202）Offer cavity（204）, the cavity（204）It is interior provided with the friction plate freely up and down moved（205）, it is described Friction plate（205）With the second spring of top（206）Abut；First gripping claw（301）Provided with first connecting rod（303）, it is described First connecting rod（303）Both ends have been respectively articulated with the second expansion link（102）With the first corpus unguis that section is C-shaped（304）, described first Corpus unguis（304）Upper right end passes through the first spring hinge（305）With coupler body（306）It is flexibly connected, second gripping claw（302）If There is second connecting rod（307）, the second corpus unguis（308）, second spring hinge（309）And second coupler body（310）, second gripping claw （302）In structure with the first gripping claw（301）Symmetrically.
- A kind of 2. Multifunctional math teaching aid according to claim 1, it is characterised in that：First expansion link （101）It is fixed with link（400）.
- A kind of 3. Multifunctional math teaching aid according to claim 2, it is characterised in that：The link（400）Surface It is fixed with rubber ring（401）.
- A kind of 4. Multifunctional math teaching aid according to claim 1, it is characterised in that：First spring（108） For equal footpath helical spring.
- A kind of 5. Multifunctional math teaching aid according to claim 1, it is characterised in that：The second spring（206） For equal footpath helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587264.0U CN207140632U (en) | 2017-05-25 | 2017-05-25 | A kind of Multifunctional math teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587264.0U CN207140632U (en) | 2017-05-25 | 2017-05-25 | A kind of Multifunctional math teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207140632U true CN207140632U (en) | 2018-03-27 |
Family
ID=61658384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587264.0U Expired - Fee Related CN207140632U (en) | 2017-05-25 | 2017-05-25 | A kind of Multifunctional math teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207140632U (en) |
-
2017
- 2017-05-25 CN CN201720587264.0U patent/CN207140632U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20190525 |