CN206909947U - A kind of dust-free chalk chalk holder - Google Patents
A kind of dust-free chalk chalk holder Download PDFInfo
- Publication number
- CN206909947U CN206909947U CN201720801194.4U CN201720801194U CN206909947U CN 206909947 U CN206909947 U CN 206909947U CN 201720801194 U CN201720801194 U CN 201720801194U CN 206909947 U CN206909947 U CN 206909947U
- Authority
- CN
- China
- Prior art keywords
- box body
- chalk
- dust
- fix bar
- expansion link
- 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
- 239000000872 buffer Substances 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 3
- 241001633942 Dais Species 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- Refuse Receptacles (AREA)
Abstract
The utility model provides a kind of dust-free chalk chalk holder, is related to instruction and office articles for use field.The dust-free chalk chalk holder, including base, the top of the base contacts with the bottom of box body, the top of the base and support base is symmetrically arranged with left and right sides of the box body, screw rod is provided with the support base, one end of the screw rod is installed with nut, and the other end of the screw rod runs through support base and extends to support base to be fixedly connected close to the side of box body with side of the clamping plate away from box body.The dust-free chalk chalk holder, drive clamping plate to reinforce box body by screw rod, and drive expansion link to move up by lid, expansion link is passed through depression bar clamping with fix bar, it is easy to chalk of taking, after use, by closing lid, so as in use, box body is not easy to be overturned, dust-free chalk positioned at tray interior will not be fallen out, and so as to make dais dirty, greatly facilitate teaching.
Description
Technical field
Instruction and office product technical field is the utility model is related to, specially a kind of dust-free chalk chalk holder.
Background technology
The data announced according to state education department, China in 2009 reaches 1.632 hundred million in school pupil's sum, in school
Pupil load reaches 1.12 hundred million, and student enrollment and all kinds of educational institution's number of student reach 1.06 hundred million.It is required in teaching
Include blackboard, dais, blackboard eraser and chalk holder etc. using to instruction and office articles for use, instruction and office articles for use.Wherein chalk holder is dress
The container of chalk, it is one of most common article in school.It divides pastel box and white chalk holder.Powder in pastel box
The color of pen is diversified, and the color of chalk is white in white powder pencil box.The outward appearance of chalk holder is typically cuboid
And square, size is depending on the size of built-in chalk.
The chalk holder largely used at present is packed for papery, simple in construction, is easily overturned in use, so as to cause
Chalk is scattered in one jiao of lectern and causes substantial amounts of chalk dust, makes dais dirty, very big inconvenience is brought to teaching.
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 dust-free chalk chalk holder, solves above-mentioned carry
To the current chalk holder largely used be papery packaging, it is simple in construction, easily overturned in use, so as to cause chalk
It is scattered in one jiao of lectern and causes substantial amounts of chalk dust, makes dais dirty, the problem of very big inconvenient is brought to teaching.
（Two）Technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of dust-free chalk chalk
Box, including base, the top of the base contact with the bottom of box body, the top of the base and the left and right two for being located at box body
Side is symmetrically arranged with support base, and screw rod is provided with the support base, and one end of the screw rod is installed with nut, the spiral shell
The other end of bar runs through support base and extends to support base to be fixedly connected close to the side of box body with side of the clamping plate away from box body,
For two clamping plates close to the side of box body respectively with being contacted at left and right sides of box body, the box body is internally provided with dividing plate, described
The bottom of tray interior is fixedly connected with the bottom of fix bar, and the top of the fix bar through dividing plate and extends to the upper of dividing plate
Side, the inside of the fix bar offer the first cavity, and the inwall of first cavity and the outer ring of sliding block are slidably connected, described
The top of sliding block is fixedly connected with the bottom of expansion link, and the inside of the expansion link offers the second cavity, second cavity
Internal left side is installed with buffer, and the left side inside the buffer is fixedly connected with one end of spring, the spring
The other end with being fixedly connected on the left of briquetting, the right side of the briquetting is fixedly connected with the left end of depression bar, the right side of the depression bar
End sequentially passes through buffer, expansion link and fix bar and extends to the right side of fix bar, and the top of the expansion link is through fixation
Bar simultaneously extends to the top of fix bar and is fixedly connected with the bottom of lid.
Preferably, side of the clamping plate away from screw rod is provided with rubber layer.
Preferably, the opening of the fix bar is provided with limited block, and is offered in the middle part of limited block and expansion link phase
The through hole of adaptation.
Preferably, the opening of the buffer is provided with block.
Preferably, it is provided with handle at the top of the lid.
Preferably, the bottom of the base is provided with slipmat, and the top of slipmat and the bottom of base pass through glue
It is viscous and.
（Three）Beneficial effect
The utility model provides a kind of dust-free chalk chalk holder.Possesses following beneficial effect：
1st, the dust-free chalk chalk holder, base and box body by setting and the support at left and right sides of box body
Seat, and the screw rod and clamping plate by setting and the fix bar and expansion link positioned at tray interior, while being located at by setting
Buffer and the depression bar being fixedly connected with briquetting and the lid being fixedly connected with expansion link top inside expansion link, so as to
Drive clamping plate to reinforce box body by screw rod, and drive expansion link to move up by lid, make expansion link and fix bar
By depression bar clamping, it is easy to chalk of taking, after use, by closing lid, so as to which in use, box body is not easy to be overturned, position
It will not be fallen out in the dust-free chalk of tray interior, so as to which dais will not be made dirty, greatly facilitate teaching.
2nd, dust-free chalk chalk holder, by being arranged on rubber layer of the clamping plate away from screw rod side, consequently facilitating increase
Frictional force between box body, and box body can also be protected.
3rd, the dust-free chalk chalk holder, opened up by being arranged in the middle part of the limited block and limited block of fix bar opening
There is the through hole being adapted with expansion link, damaged so as to not only prevent expansion link from departing from fix bar, and allow expansion link steady
Fixed action.
Brief description of the drawings
Fig. 1 is the section of structure that the utility model is faced；
Fig. 2 is the utility model structure top view；
Fig. 3 is the utility model fix bar and the internal structure schematic diagram of expansion link clamping.
In figure：1 base, 2 box bodys, 3 support bases, 4 screw rods, 5 nuts, 6 clamping plates, 7 dividing plates, 8 fix bars, 9 first cavitys, 10
Sliding block, 11 expansion links, 12 limited blocks, 13 second cavitys, 14 buffers, 15 springs, 16 briquettings, 17 depression bars, 18 blocks, 19 boxes
Lid, 20 handles, 21 slipmat.
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 every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment provides a kind of dust-free chalk chalk holder, as Figure 1-3, including base 1, base 1
Bottom be provided with slipmat 21, and the bottom of the top of slipmat 21 and base 1 by glue it is viscous and, so as to greatly increase bottom
Frictional force between seat 1 and outside desktop, the top of base 1 contacts with the bottom of box body 2, the top of base 1 and is located at box body 2
The left and right sides be symmetrically arranged with support base 3, screw rod 4 is provided with support base 3, one end of screw rod 4 is installed with nut 5,
The other end of screw rod 4 is through support base 3 and extends to support base 3 close to the side of box body 2 and side of the clamping plate 6 away from box body 2
Be fixedly connected, two clamping plates 6 contact close to the left and right sides of the side of box body 2 respectively with box body 2, clamping plate 6 away from screw rod 4 one
Side is provided with rubber layer, consequently facilitating the frictional force between increase and box body 2, and box body 2 can also be protected, box body
2 are internally provided with dividing plate 7, and effectively chalk dust is filtered, the bottom for making chalk dust enter by dividing plate 7 inside box body 2,
Convenient to collect, the bottom inside box body 2 is fixedly connected with the bottom of fix bar 8, and the top of fix bar 8 through dividing plate 7 and extends
To the top of dividing plate 7, the inside of fix bar 8 offers the first cavity 9, and the inwall of the first cavity 9 slides with the outer ring of sliding block 10
Connection, the top of sliding block 10 are fixedly connected with the bottom of expansion link 11, and the opening of fix bar 8 is provided with limited block 12, and limits
The middle part of position block 12 offers the through hole being adapted with expansion link 11, is damaged so as to not only prevent expansion link 11 from departing from fix bar 8
Action that is bad, and stablizing expansion link 11, the inside of expansion link 11 offer the second cavity 13, inside the second cavity 13
Left side be installed with buffer 14, the left side inside buffer 14 is fixedly connected with one end of spring 15, spring 15 it is another
One end is fixedly connected with the left side of briquetting 16, and the right side of briquetting 16 is fixedly connected with the left end of depression bar 17, the right-hand member of depression bar 17 according to
Secondary to run through buffer 14, expansion link 11 and fix bar 8 and the right side for extending to fix bar 8, the opening of buffer 14 is provided with
Block 18, effectively depression bar 17 is carried out it is spacing, the top of expansion link 11 through fix bar 8 and extend to the top of fix bar 8 with
The bottom of lid 19 is fixedly connected, and the top of lid 19 is provided with handle 20, convenient that lid 19 is operated by handle 20.
Operation principle：In use, driving clamping plate 6 to reinforce box body 2 by screw rod 4, driven by lid 19 flexible
Bar 11 moves up, and expansion link 11, by the clamping of depression bar 17, is easy to chalk of taking, after use, by closing box with fix bar 8
Lid 19, so as to which in use, box body 2 is not easy to be overturned, and the dust-free chalk inside box body 2 will not be fallen out, so as to not
Dais can be made dirty, greatly facilitate teaching.
In summary, dust-free chalk chalk holder, by the base 1 and box body 2 of setting and positioned at box body 2 or so two
The support base 3 of side, and by the screw rod 4 and clamping plate 6 of setting and fix bar 8 and expansion link 11 inside box body 2, simultaneously
Pass through the buffer 14 and the depression bar 17 being fixedly connected with briquetting 16 and and expansion link inside expansion link 11 of setting
The lid 19 that 11 tops are fixedly connected, so as to drive clamping plate 6 to reinforce box body 2 by screw rod 4, and driven by lid 19
Expansion link 11 moves up, and expansion link 11, by the clamping of depression bar 17, is easy to chalk of taking with fix bar 8, after use, is passed through pass
Lid 19 is closed, so as to which in use, box body 2 is not easy to be overturned, and the dust-free chalk inside box body 2 will not be fallen out, from
Without making dais dirty, teaching is greatly facilitated.
Secondly, by being arranged on rubber layer of the clamping plate 6 away from the side of screw rod 4, consequently facilitating rubbing between increase and box body 2
Power is wiped, and box body 2 can also be protected.
Also, offered by the middle part of the limited block 12 and limited block 12 that are arranged on the opening of fix bar 8 and expansion link
11 through holes being adapted, damaged so as to not only prevent expansion link 11 from departing from fix bar 8, and allow what expansion link 11 was stablized
Action.
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 and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic 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 with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of dust-free chalk chalk holder, including base（1）, the base（1）Top and box body（2）Bottom contact,
It is characterized in that：The base（1）Top and be located at box body（2）The left and right sides be symmetrically arranged with support base（3）, it is described
Support base（3）On be provided with screw rod（4）, the screw rod（4）One end be installed with nut（5）, the screw rod（4）It is another
Support base is run through at end（3）And extend to support base（3）Close to box body（2）Side and clamping plate（6）Away from box body（2）Side consolidate
Fixed connection, two clamping plates（6）Close to box body（2）Side respectively with box body（2）The left and right sides contact, the box body（2）'s
It is internally provided with dividing plate（7）, the box body（2）Internal bottom and fix bar（8）Bottom be fixedly connected, the fix bar
（8）Top run through dividing plate（7）And extend to dividing plate（7）Top, the fix bar（8）Inside offer the first cavity
（9）, first cavity（9）Inwall and sliding block（10）Outer ring be slidably connected, the sliding block（10）Top and expansion link
（11）Bottom be fixedly connected, the expansion link（11）Inside offer the second cavity（13）, second cavity（13）It is interior
Buffer is installed with the left of portion（14）, the buffer（14）Internal left side and spring（15）One end fix connect
Connect, the spring（15）The other end and briquetting（16）Left side be fixedly connected, the briquetting（16）Right side and depression bar（17）
Left end be fixedly connected, the depression bar（17）Right-hand member sequentially pass through buffer（14）, expansion link（11）And fix bar（8）And prolong
Extend fix bar（8）Right side, the expansion link（11）Top run through fix bar（8）And extend to fix bar（8）Top
With lid（19）Bottom be fixedly connected.
A kind of 2. dust-free chalk chalk holder according to claim 1, it is characterised in that：The clamping plate（6）Away from screw rod
（4）Side be provided with rubber layer.
A kind of 3. dust-free chalk chalk holder according to claim 1, it is characterised in that：The fix bar（8）Opening
Place is provided with limited block（12）, and limited block（12）Middle part offer and expansion link（11）The through hole being adapted.
A kind of 4. dust-free chalk chalk holder according to claim 1, it is characterised in that：The buffer（14）Opening
Place is provided with block（18）.
A kind of 5. dust-free chalk chalk holder according to claim 1, it is characterised in that：The lid（19）Top set
It is equipped with handle（20）.
A kind of 6. dust-free chalk chalk holder according to claim 1, it is characterised in that：The base（1）Bottom set
It is equipped with slipmat（21）, and slipmat（21）Top and base（1）Bottom by glue it is viscous and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801194.4U CN206909947U (en) | 2017-07-04 | 2017-07-04 | A kind of dust-free chalk chalk holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801194.4U CN206909947U (en) | 2017-07-04 | 2017-07-04 | A kind of dust-free chalk chalk holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206909947U true CN206909947U (en) | 2018-01-23 |
Family
ID=61335905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720801194.4U Expired - Fee Related CN206909947U (en) | 2017-07-04 | 2017-07-04 | A kind of dust-free chalk chalk holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206909947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319374A (en) * | 2018-12-14 | 2020-06-23 | 南京江业软件科技有限公司 | Statement box for computer software development |
-
2017
- 2017-07-04 CN CN201720801194.4U patent/CN206909947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319374A (en) * | 2018-12-14 | 2020-06-23 | 南京江业软件科技有限公司 | Statement box for computer software development |
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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: 20180123 |