CN106739706A - Band auxiliary operating lever blackboard eraser - Google Patents
Band auxiliary operating lever blackboard eraser Download PDFInfo
- Publication number
- CN106739706A CN106739706A CN201611176180.4A CN201611176180A CN106739706A CN 106739706 A CN106739706 A CN 106739706A CN 201611176180 A CN201611176180 A CN 201611176180A CN 106739706 A CN106739706 A CN 106739706A
- Authority
- CN
- China
- Prior art keywords
- operating lever
- auxiliary operating
- blackboard eraser
- locking member
- toggle
- 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 239000000806 elastomer Substances 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 210000001747 pupil Anatomy 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to a kind of band auxiliary operating lever blackboard eraser, including blackboard eraser body and fast demountable auxiliary operating lever；The blackboard eraser body includes board wiper box, locking member, gear, toggle and elastomer；The first tooth bar is provided with the locking member, the second tooth bar is provided with the toggle, the gear is engaged with the first tooth bar and the second tooth bar respectively, described auxiliary operating lever one end is provided with the second hole, the locking member can actively pass through the second hole, under elastomer effect, auxiliary operating lever is installed on blackboard eraser；Operation toggle, can drive locking member to move, so as to realize the fast assembling-disassembling of auxiliary operating lever；Auxiliary operating lever can be electric telescopic action bars, operate more flexible, laborsaving.
Description
Technical field
The present invention relates to band auxiliary operating lever blackboard eraser, the electric expansion auxiliary operating lever more particularly to easy disassembly
Blackboard eraser, belong to teaching equipment technical field.
Background technology
The blackboard of current school is set by the height of adult, small for some pupils, particularly primary grades
Student, is often difficult to get at the writing of blackboard top half when doing on duty for the day, and some pupils can stand onto stool and erase the board, deposit
In potential safety hazard.In addition, some teachers are when top is erased the board, to be often close to blackboard, stretch arm, such chalk dust
Be easy to fall the clothes of teacher or with, part can body is sucked by teacher, have a strong impact on the healthy of teacher.At present
Someone designs the blackboard eraser with auxiliary operating lever, but often blackboard eraser and auxiliary operating lever are integrally connecteds, on erasing the board
Than it is relatively low local when, the blackboard eraser with auxiliary operating lever of this integral type is not often allowed easy to operate on the contrary.
The content of the invention
It is an object of the invention to overcome the shortcomings of existing blackboard eraser, there is provided a kind of electric expansion with fast demountable
The blackboard eraser of auxiliary operating lever, simple structure is easy to use, and pupil can also be easy to operation.
The technical scheme that the present invention is provided：
Band auxiliary operating lever blackboard eraser, including blackboard eraser body 100 and auxiliary operating lever 200, the blackboard eraser body 100
Including board wiper box 110, locking member 120, gear 130, toggle 140, elastomer 150, lid 160；
The first tooth bar 124 is provided with the locking member 120, the second tooth bar 143 is provided with the toggle 140, it is described
Gear 130 is engaged with the first tooth bar 124 and the second tooth bar 143 respectively；
The one end of the locking member 120 is provided with the first pin 122；The one end of the auxiliary operating lever 200 is provided with the second hole
211；First pin 122 can actively pass through the second hole 211, and under the effect of the elastomer 150, the first pin 122 is in
Through the state in the second hole 211；Operation toggle 140, can drive locking member 120 to move, so that the first pin 122 leaves second
Hole 211.
As a further improvement on the present invention, the locking member 120, gear 130, toggle 140, elastomer 150 are set to
One group or symmetrical two groups.
As a further improvement on the present invention, the locking member 120, gear 130, toggle 140, elastomer 150 are arranged on
In the cavity 180 that board wiper box 110 and lid 160 are formed.
As a further improvement on the present invention, driving lever 142 is set on the toggle 140, and the driving lever 142 exposes cavity
180 surfaces.
As a further improvement on the present invention, the elastomer 150 is spring, installed in board wiper box 110 and locking member 120
Between.
As a further improvement on the present invention, the auxiliary operating lever 200 is Stretchable operation bar.
As a further improvement on the present invention, the auxiliary operating lever 200 is electric telescopic action bars.
As a further improvement on the present invention, the auxiliary operating lever 200 includes the body of rod 210, end cap 230 and hanging wire 240.
As a further improvement on the present invention, the end cap 230 uses magnetic material.
As a further improvement on the present invention, the lid 160 uses transparent plastic.
The present invention compared with prior art, has the following advantages that：
1. blackboard eraser increases scalable auxiliary operating lever, facilitates teacher student to wipe blackboard higher position.
2. Quick locking structure is set in blackboard eraser body, it is convenient and simple for operation, realize the Fast Installation of auxiliary operating lever
And dismounting.
3. electric telescopic auxiliary operating lever is used, and the control of action bars is more flexibly, conveniently.
4. auxiliary operating lever can rotate relative to the locking mechanism of blackboard eraser, realize the use of multiple angles, cleverer
Work is easy-to-use.
5. the auxiliary operating lever pulled down can be used as teaching stick.
6. the hand-held end of auxiliary operating lever sets detachable end, is connected using hanging wire between end cap and auxiliary operating rod
Connect, end cap has hole, can be hung up the blackboard eraser of auxiliary operating lever or auxiliary operating lever of ining succession by hole.
7. the end cap of auxiliary operating lever could be arranged to magnetic material, directly by the way that magnetic force is by auxiliary operating lever or ins succession auxiliary
The blackboard eraser of action bars is helped to hang up.
Brief description of the drawings
Fig. 1 is the general illustration with auxiliary operating lever blackboard eraser of the invention.
Fig. 2 is the exploded view with auxiliary operating lever blackboard eraser of the invention.
Fig. 3 is the locking state schematic diagram with auxiliary operating lever blackboard eraser of the invention.
Fig. 4 is the released state schematic diagram with auxiliary operating lever blackboard eraser of the invention.
Fig. 5 is the installation end schematic enlarged-scale view of auxiliary operating lever of the invention.
Fig. 6 is the handheld terminal structural representation of auxiliary operating lever of the invention
Illustrated in figure：100- blackboard eraser bodies, 200- auxiliary operating levers, 110- board wiper box, 111- boss, 112-
One hole, 113- elastic component stop blocks, the sliding grooves of 114- first, 115- first gear mounting posts, the sliding grooves of 116- second, 117- is dialled
Button sliding groove, 120- locking members, 121- locking member bodies, 122- first sells, and 123- second sells, the tooth bars of 124- first, 125- locks
Tight part spacer pin, 126- stop surfaces, 130- gears, the 131- gear teeth, 132- rotary shafts, 140- toggles, 141- toggle bodies, 142-
Driving lever, the tooth bars of 143- second, 144- toggle spacer pins, 150- elastic components, 160- lids, the sliding grooves of 161- the 3rd, 162- the 4th
Sliding groove, 163- second gear mounting posts, 170- wipers, 180- cavitys, the 210- bodies of rod, 211- handheld terminals, 212- installation ends,
The holes of 213- second, 220- buttons, 230- end caps, 231- hanging holes, 240- hanging wires.
Specific embodiment
With reference to specific drawings and Examples, the invention will be further described.
As shown in Figure 1 and Figure 2：General illustration with auxiliary operating lever blackboard eraser of the invention and exploded view, including blackboard
Wipe body 100 and auxiliary operating lever 200.The blackboard eraser body 100 include board wiper box 110, locking member 120, gear 130, dial
Button 140, elastomer 150, lid 160.
As shown in Figure 2, Figure 3, Figure 4, the exploded view with auxiliary operating lever blackboard eraser of the invention and locking and released state
Schematic diagram, the front side of the board wiper box 110 forms open cavity to be used to accommodate wiper 170, and rear side is provided with can be with Fast Installation
The part of auxiliary operating lever, board wiper box 110 includes locking member 120, gear 130, toggle 140, elastomer 150 and lid 160；Its
Middle locking member 120, gear 130, toggle 140, elastomer 150, installed in the cavity 180 that board wiper box 110 and lid 160 are formed
In.The locking member 120, gear 130, toggle 140, elastomer 150 could be arranged to one group, it is also possible to be set to symmetrical two
Group, the present embodiment is set to symmetrical two groups.
The rear side of the board wiper box 110 is provided with U-shaped boss 111, and the U-type groove of boss 111 is located at the outside of cavity 180.
The first hole 112 is provided with the boss 111, with the concentric direction in first hole 112 on the board wiper box 110
It is provided with elastic component stop block 113.The first sliding groove 114 is provided with the board wiper box 110.It is parallel with the first sliding groove 114
Distal end, be provided with the second sliding groove 116.First gear is provided between the sliding groove 116 of first sliding groove 114 and second
Mounting post 115.In the present embodiment, above structure is disposed as two group symmetrical relative to boss 111.
The locking member 120 includes locking member body 121 and is arranged at the first pin of the opposite end of locking member body 121
122 and second pin 123.The place combined with the first pin 122 on the locking member body 121 sets stop surface 126.The locking
The first tooth bar 124 is provided with one side of part body 121.It is adjacent with the first tooth bar 124 on the locking member body 121
At least one locking member spacer pin 125 is respectively arranged with two sides.
The gear teeth 131 are provided with the gear 130, are set respectively on two faces vertical with the gear teeth 131 on the gear 130
It is equipped with Concentric rotation axle 132.
The toggle 140 includes toggle body 141 and driving lever 142.It is provided with one side of the toggle body 141
Second tooth bar 143, at least one is respectively arranged with two sides adjacent with the second tooth bar 143 on the toggle body 141
Toggle spacer pin 144.
The elastic component 150 is stage clip, and one end props up the elastic component stop block 113 of board wiper box 110, and one end is arranged on locking
On second pin 123 of part 120, locking member 120 compresses boss 111, the first pin of locking member 120 in the presence of elastic component 150
122, through the first hole 112 of board wiper box 110, reach in the U-type groove of boss 111.Stop surface 126 can limit locking member 120
Further movement tendency.The elastic component 150 can also be other elastomers, such as extension spring, as long as changing corresponding installation side
Formula, can play equal effect.
Threeth sliding groove 161 corresponding with the first sliding groove 114 on board wiper box 110 is provided with the lid 160,
The corresponding locking member spacer pin 125 of the locking member 120 can be slided in the first sliding groove 114 and the 3rd sliding groove 161, will
The motion of locking member 120 is limited in the axis direction of the first pin 122 and the second pin 123.
Fourth sliding groove corresponding with the second sliding groove 116 on board wiper box 110 is additionally provided with the lid 160
162, the corresponding toggle spacer pin 144 of the toggle 140 can be slided in the second sliding groove 116 and the 4th sliding groove 162, will
The motion of toggle 140 is limited in the direction parallel with locking member 120.
The second gear corresponding with the first gear mounting post 115 on board wiper box 110 is additionally provided with the lid 160
Mounting post 163.The rotary shaft 132 of the gear 130 is separately mounted to first gear mounting post 115 and second gear mounting post
In 163, the motion of gear 130 is limited to be rotated around the axle center of rotary shaft 132.The lid 160 could be arranged to
Transparent plastic, allows child it can be seen that the ruuning situation of internal mechanism, easily study, to machine driving knowledge, is cultivated in life
The interest of child's learning science knowledge.
The gear 130 respectively with first tooth bar 124 and the second tooth bar 143 of the toggle 140 of the locking member 120
Engagement.
As shown in Fig. 2, Fig. 5, the installation end of the exploded view with auxiliary operating lever blackboard eraser of the invention and auxiliary operating lever
Schematic enlarged-scale view.The auxiliary operating lever 200 can be conventional straight post, or expansion link, in the present embodiment, described auxiliary
Action bars 200 is helped for electric expansion bar, including the body of rod 210, button 220, end cap 230, hanging wire 240.The body of rod 210 is provided with
Handheld terminal 211 and installation end 212, are provided with a section or the multi-joint telescoping body of rod between handheld terminal 211 and installation end 212, described
Operation button 220 is arranged on auxiliary operating lever 200 near the position of handheld terminal 211, by operating button 220, it is possible to achieve bar
The electric expansion of body 210, easily realizes the body of rod requirement of different length.The installation end is provided with the second hole 213.The locking
First pin 122 of part 120 can pass through the second hole 213, and auxiliary operating lever 200 is arranged in blackboard eraser body 100.
The side wall around the second hole 213 is located on the body of rod 210, chamfering or rounding are set, the locking member 120
The end of the first pin 122 is also configured to chamfering or rounding, when wanting that auxiliary operating lever 200 is installed in blackboard eraser body 100
When, the chamfering or fillet of installation end 212 extrude the first pin 122, and the first pin 122 slips into the under the guiding of chamfering or rounding
Two holes 213.
When wanting to remove auxiliary operating lever 200 from blackboard eraser body 100, by the driving lever 142 of toggle 140 to boss
111 directions are stirred, and the second tooth bar 143 of toggle 140 rotates with moving gear 130, so gear 130 pass through locking member 120 the
One tooth bar 124 drives locking member 120 move to the direction away from boss 111, and the of the removal auxiliary operating lever 200 of the first pin 122
Two holes 213, so as to auxiliary operating lever 200 conveniently be removed.The auxiliary operating lever removed can do teaching side and use.
As shown in fig. 6, the handheld terminal structural representation of auxiliary operating lever of the invention, the handheld terminal 211 of the body of rod 210
End be provided with end cap 230.Hanging hole 231 is set on the end cap 230.
The end cap 230 can be connected by screw thread with handheld terminal 211.Also by hanging between end cap 230 and handheld terminal 211
Line 240 is flexibly connected.After by the 230 whiz body of rod 210 of end cap, can be by the hanging hole 231 on end cap 230 by auxiliary operating lever
200 or whole blackboard erasers hang up.
The end cap 230 can also use magnetic material, and magnetically attractive metal, end cap 230 and the body of rod are provided with handheld terminal 211
210 are connected by magnetic, after with beginning lid 230 is pulled, can be adsorbed on blackboard or other magnetically attractive things by by end cap 230
On body, so as to auxiliary operating lever 200 or whole blackboard eraser be hung up.It should be noted that the above is only tool of the invention
Body exemplary applications, are not limited in any way to protection scope of the present invention.The skill that all use equivalents or equivalent transformation are formed
Art scheme, all falls within scope of the present invention.
Claims (10)
1. with auxiliary operating lever blackboard eraser, including blackboard eraser body (100) and auxiliary operating lever (200), it is characterised in that：It is described
Blackboard eraser body (100) includes board wiper box (110), locking member (120), gear (130), toggle (140), elastomer (150), lid
Body (160)；
The first tooth bar (124) is provided with the locking member (120), the second tooth bar (143) is provided with the toggle (140),
The gear (130) is engaged with the first tooth bar (124) and the second tooth bar (143) respectively；
Described locking member (120) one end is provided with the first pin (122)；Described auxiliary operating lever (200) one end is provided with the second hole
(211)；First pin (122) actively can pass through the second hole (211), under the elastomer (150) effect, the first pin
(122) in the state through the second hole (211)；Operation toggle (140), can drive locking member (120) mobile, so that the
One pin (122) leaves the second hole (211).
2. according to claim 1 with auxiliary operating lever blackboard eraser, it is characterised in that：The locking member (120), gear
(130), toggle (140), elastomer (150) are set to one group or symmetrical two groups.
3. according to claim 1 with auxiliary operating lever blackboard eraser, it is characterised in that：The locking member (120), gear
(130), in the cavity (180) that toggle (140), elastomer (150) are formed installed in board wiper box (110) and lid (160).
4. according to claim 3 with auxiliary operating lever blackboard eraser, it is characterised in that：Set on the toggle (140) and dialled
Bar (142), the driving lever (142) exposes cavity (180) surface.
5. according to claim 1 with auxiliary operating lever blackboard eraser, it is characterised in that：The elastomer (150) is spring,
Between board wiper box (110) and locking member (120).
6. according to claim 1 with auxiliary operating lever blackboard eraser, it is characterised in that：The auxiliary operating lever (200) is
Stretchable operation bar.
7. according to claim 1 with auxiliary operating lever blackboard eraser, it is characterised in that：The auxiliary operating lever (200) is
Electric telescopic action bars.
8. according to claim 6 with auxiliary operating lever blackboard eraser, it is characterised in that：Auxiliary operating lever (200) bag
Include the body of rod (210), end cap (230) and hanging wire (240).
9. according to claim 8 with auxiliary operating lever blackboard eraser, it is characterised in that：The end cap (230) uses magnetic
Material.
10. according to claim 1 with auxiliary operating lever blackboard eraser, it is characterised in that：The lid (160) is using transparent
Plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176180.4A CN106739706B (en) | 2016-12-19 | 2016-12-19 | Band auxiliary operating lever blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176180.4A CN106739706B (en) | 2016-12-19 | 2016-12-19 | Band auxiliary operating lever blackboard eraser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739706A true CN106739706A (en) | 2017-05-31 |
| CN106739706B CN106739706B (en) | 2018-10-12 |
Family
ID=58890049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611176180.4A Expired - Fee Related CN106739706B (en) | 2016-12-19 | 2016-12-19 | Band auxiliary operating lever blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106739706B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357256A (en) * | 2018-01-02 | 2018-08-03 | 于翊凡 | A kind of portable whiteboard eraser |
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | A kind of intelligent teaching aid device of English teaching |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104907U (en) * | 1991-04-27 | 1992-05-20 | 钮禹 | Enclosed lock |
| KR20010017125A (en) * | 1999-08-07 | 2001-03-05 | 엄길용 | Multi-functional bended disposable blackboard eraser with motor |
| CN201833785U (en) * | 2010-10-12 | 2011-05-18 | 王文国 | Box type blackboard eraser with telescopic rod |
| CN201942448U (en) * | 2010-12-17 | 2011-08-24 | 三一汽车起重机械有限公司 | Crane, hoisting boom thereof and cylinder pin self-locking device of hoisting boom |
| CN202944103U (en) * | 2012-11-23 | 2013-05-22 | 李雪 | Stretchable blackboard eraser |
| JP2013184345A (en) * | 2012-03-07 | 2013-09-19 | Pilot Corporation | Eraser for white board |
| CN103750642A (en) * | 2014-01-09 | 2014-04-30 | 杨益民 | Student desk leg lifting and locking device |
| CN203752756U (en) * | 2014-03-11 | 2014-08-06 | 重庆师范大学 | Blackboard cleaning device |
| CN204850809U (en) * | 2015-06-23 | 2015-12-09 | 刘畅 | Novel door and window locking device |
-
2016
- 2016-12-19 CN CN201611176180.4A patent/CN106739706B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104907U (en) * | 1991-04-27 | 1992-05-20 | 钮禹 | Enclosed lock |
| KR20010017125A (en) * | 1999-08-07 | 2001-03-05 | 엄길용 | Multi-functional bended disposable blackboard eraser with motor |
| CN201833785U (en) * | 2010-10-12 | 2011-05-18 | 王文国 | Box type blackboard eraser with telescopic rod |
| CN201942448U (en) * | 2010-12-17 | 2011-08-24 | 三一汽车起重机械有限公司 | Crane, hoisting boom thereof and cylinder pin self-locking device of hoisting boom |
| JP2013184345A (en) * | 2012-03-07 | 2013-09-19 | Pilot Corporation | Eraser for white board |
| CN202944103U (en) * | 2012-11-23 | 2013-05-22 | 李雪 | Stretchable blackboard eraser |
| CN103750642A (en) * | 2014-01-09 | 2014-04-30 | 杨益民 | Student desk leg lifting and locking device |
| CN203752756U (en) * | 2014-03-11 | 2014-08-06 | 重庆师范大学 | Blackboard cleaning device |
| CN204850809U (en) * | 2015-06-23 | 2015-12-09 | 刘畅 | Novel door and window locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357256A (en) * | 2018-01-02 | 2018-08-03 | 于翊凡 | A kind of portable whiteboard eraser |
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | A kind of intelligent teaching aid device of English teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106739706B (en) | 2018-10-12 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191118 Address after: Room 413-415, building 19, small and medium sized enterprise Industrial Park, Qingnian South Road, Wuhe County, Bengbu City, Anhui Province Patentee after: Bengbu Baicheng Intellectual Property Agency Co.,Ltd. Address before: 224051 Yancheng City, Century Avenue, Jiangsu research and development building, No. 1166 Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: Room 202-2, building B, North Industrial Park, Binhai Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Yancheng Binbo Machinery Technology Co.,Ltd. Address before: 233399 room 413-415, building 19, Youth Industrial Park, youth South Road, Wuhe County, Bengbu, Anhui Patentee before: Bengbu Baicheng Intellectual Property Agency Co.,Ltd. |
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Granted publication date: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |