CN205233742U - Easy modus ponens chalk box - Google Patents
Easy modus ponens chalk box Download PDFInfo
- Publication number
- CN205233742U CN205233742U CN201521132502.6U CN201521132502U CN205233742U CN 205233742 U CN205233742 U CN 205233742U CN 201521132502 U CN201521132502 U CN 201521132502U CN 205233742 U CN205233742 U CN 205233742U
- Authority
- CN
- China
- Prior art keywords
- chalk
- division board
- gear
- chalk box
- district
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a teaching articles for use field, specific theory relate to an easy modus ponens chalk box, it includes chalk box body its characterized in that, and this internal space of chalk box is separated for chalk district and gear district by the division board, and the downward sloping of division board bottom surface is close to chalk box body both sides face corner and is equipped with rectangle division board through -hole on the division board bottom surface, be equipped with cylindric spliced pole and roller gear in the gear district, the spliced pole top is equipped with the handle and stretches out the chalk box that this is external, and spliced pole bottom side is equipped with the rack is equipped with the spring under, be equipped with rectangle lift post under the division board through -hole, lift post side is equipped with the rack also is equipped with the spring under, roller gear passes through two just right sides of gear shaft and chalk box body and links to each other, the roller gear both ends respectively with spliced pole and lift post on toothed bar mesh. The utility model discloses can easy confession people take out the chalk in the box, make things convenient for people's use more.
Description
[technical field]
The utility model relates to realia field, relates to specifically a kind of easy taking type chalk holder.
[background technology]
Chalk holder is to be used for specially a kind of instrument of splendid attire chalk, and very common in school, traditional chalk holder only has the function of splendid attire chalk,There is no other effect, function is comparatively single, the original chalk holder of a box in addition, and the chalk in it pushes closely mutually, and people often do not allow very muchEasily take out first chalk, in the process of taking out first chalk, also easily cause chalk fracture, affect people's use.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of easy taking type chalk holder, and it can be easy to take out the chalk in box for people, moreAdd easy for people to use.
In order to achieve the above object, the technical scheme that the utility model provides is: a kind of easy taking type chalk holder, is characterized in that it comprises chalkBox body, the intrinsic space of chalk holder is isolated plate and is divided into chalk area and gear district, and division board bottom surface is downward-sloping, close on division board bottom surfaceCorner, chalk holder body two sides is provided with rectangle division board through hole; Described gear is provided with cylindric joint pin and roller gear in district, joint pin topBe provided with handle and stretch out chalk holder that this is external, joint pin bottom sides is provided with tooth bar, under be provided with spring; Under described division board through hole, be provided withRectangle lifting column, lifting column side is provided with tooth bar, under be also provided with spring; Described roller gear is just right by gear shaft and chalk holder body twoSide is connected, and roller gear two ends are meshed with the tooth bar on joint pin and lifting column respectively.
The beneficial effects of the utility model are: the utility model can be easy to take out the chalk in box, convenient people's use for people.
[brief description of the drawings]
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
State diagram of the present utility model when Fig. 3 is chalk taking-up.
Wherein, 1-chalk holder body, 2-chalk area, 3-division board, 4-handle, 5-joint pin, 6-gear district, 7-tooth bar, 8-spring,9-gear shaft, 10-roller gear, 11-lifting column, 12-division board through hole, 13-chalk.
[detailed description of the invention]
In example shown in the drawings, a kind of easy taking type chalk holder, is characterized in that it comprises chalk holder body, the intrinsic space of chalk holderBe isolated plate and be divided into chalk area and gear district, division board bottom surface is downward-sloping, on division board bottom surface, is provided with near corner, chalk holder body two sidesRectangle division board through hole; Described gear is provided with cylindric joint pin and roller gear in district, and joint pin top is provided with handle and stretches out chalk holder originally external,Joint pin bottom sides is provided with tooth bar, under be provided with spring; Under described division board through hole, be provided with rectangle lifting column, lifting column side is provided with toothBar, under be also provided with spring; Described roller gear is connected by the gear shaft side just right with chalk holder body two, roller gear two ends respectively withTooth bar on joint pin and lifting column is meshed.
Chalk area of the present utility model is the same with traditional chalk holder effect, be used for vertical array place chalk, in the time that people will take out chalk, handTrend presses down handle, and joint pin can move downward, and the tooth bar of joint pin side can drive cylindrical gear rotary, and cylindrical gear rotary can drive again liftingThe tooth bar of post side moves upward, and then lifting column rising, and through division board through hole, the chalk being positioned at directly over division board through hole is released to powderPencil box is taken (seeing Fig. 3) for people outward, and the utility model can be easy to take out the chalk in box, convenient people's use for people.
Claims (1)
1. an easy taking type chalk holder, is characterized in that it comprises chalk holder body, the intrinsic space of chalk holder be isolated plate be divided into chalk area andGear district, division board bottom surface is downward-sloping, on division board bottom surface, is provided with rectangle division board through hole near corner, chalk holder body two sides; Described toothWheel is provided with cylindric joint pin and roller gear in district, and joint pin top is provided with handle and stretches out chalk holder originally external, and joint pin bottom sides is provided with toothBar, under be provided with spring; Under described division board through hole, be provided with rectangle lifting column, lifting column side is provided with tooth bar, under be also provided with spring;Described roller gear is connected by the gear shaft side just right with chalk holder body two, roller gear two ends respectively with joint pin and lifting column on tooth barBe meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132502.6U CN205233742U (en) | 2015-12-22 | 2015-12-22 | Easy modus ponens chalk box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521132502.6U CN205233742U (en) | 2015-12-22 | 2015-12-22 | Easy modus ponens chalk box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205233742U true CN205233742U (en) | 2016-05-18 |
Family
ID=55932839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521132502.6U Expired - Fee Related CN205233742U (en) | 2015-12-22 | 2015-12-22 | Easy modus ponens chalk box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205233742U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183946A (en) * | 2017-06-16 | 2017-09-22 | 湖南城市学院 | Device is stored with file by a kind of office |
| CN107242662A (en) * | 2017-07-17 | 2017-10-13 | 徐星星 | A kind of chalk holder for possessing elevating function |
| CN107495589A (en) * | 2017-07-19 | 2017-12-22 | 安徽卓特信息技术有限公司 | A kind of locking chalk holder |
| CN108001097A (en) * | 2017-12-21 | 2018-05-08 | 浙江八瓦文化创意发展有限公司 | A kind of pencil Special pen barrel |
| CN110921076A (en) * | 2019-12-05 | 2020-03-27 | 湛江中科技术服务有限公司 | Prevent environmental protection of empting and detect water sample case of depositing |
-
2015
- 2015-12-22 CN CN201521132502.6U patent/CN205233742U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183946A (en) * | 2017-06-16 | 2017-09-22 | 湖南城市学院 | Device is stored with file by a kind of office |
| CN107242662A (en) * | 2017-07-17 | 2017-10-13 | 徐星星 | A kind of chalk holder for possessing elevating function |
| CN107242662B (en) * | 2017-07-17 | 2019-07-19 | 温州凸凹曼科技有限公司 | A kind of chalk holder having elevating function |
| CN107495589A (en) * | 2017-07-19 | 2017-12-22 | 安徽卓特信息技术有限公司 | A kind of locking chalk holder |
| CN108001097A (en) * | 2017-12-21 | 2018-05-08 | 浙江八瓦文化创意发展有限公司 | A kind of pencil Special pen barrel |
| CN110921076A (en) * | 2019-12-05 | 2020-03-27 | 湛江中科技术服务有限公司 | Prevent environmental protection of empting and detect water sample case of depositing |
| CN110921076B (en) * | 2019-12-05 | 2020-12-22 | 湛江中科技术服务有限公司 | Prevent environmental protection of empting and detect water sample case of depositing |
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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: 20160518 Termination date: 20161222 |