CN109017025A - A kind of teachers ' teaching protective device - Google Patents
A kind of teachers ' teaching protective device Download PDFInfo
- Publication number
- CN109017025A CN109017025A CN201810966457.6A CN201810966457A CN109017025A CN 109017025 A CN109017025 A CN 109017025A CN 201810966457 A CN201810966457 A CN 201810966457A CN 109017025 A CN109017025 A CN 109017025A
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- CN
- China
- Prior art keywords
- cap
- pen
- away
- wall
- push away
- 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.)
- Pending
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- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 239000007769 metal material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 101000579647 Penaeus vannamei Penaeidin-2a Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/016—Holders for crayons or chalks
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
- G09B17/02—Line indicators or other guides or masks
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention belongs to teaching aid technical fields, more particularly to a kind of teachers ' teaching protective device, including the pen cap, the pen cap is hollow cylindrical, and one end of the pen cap is removably connected with laser pen, and the outer wall of the laser pen is offered along its axial direction pushes away cap sliding slot, and it extends at the port of the pen cap, the inner wall for pushing away cap sliding slot is equipped with latch, and the pen cap is connected together far from one end of the laser pen lantern ring, and the inner wall of the lantern ring is equipped with elastic pressuring plate；The lantern ring with elastic pressuring plate is equipped in one end of the pen cap, the end of chalk can be supported, the fixed stability of chalk can be increased, additionally by push away on cap it is dynamic push away cap and control anti-skid head and can control push away cap and pushing away the stationary state in cap sliding slot, convenient to control the length of chalk, the writing for the teacher that is more convenient for is equipped with laser pen in the other end of the pen cap, teacher be can be convenient using the knowledge point given directions on blackboard, convenient for the progress of teaching.
Description
Technical field
The invention belongs to teaching aid technical fields, and in particular to a kind of teachers ' teaching protective device.
Background technique
The major way of usual classroom instruction is to use chalk-writing on blackboard, to reach the mesh for conveying education informations
's；Although chalk is economical and practical educational aid, the use of chalk inevitably result in generate a large amount of dusts and
Chalk end phenomenon, the waste of one chalk end is more severe, furthermore can also make books and clothing and other items dirty, also indirectly to classroom
Quality of instruction and efficiency generate adverse effect to a certain extent, therefore teacher generally prevents chalk to realize using chalk sleeve
Protect effect.
Original chalk sleeve is in use, since chalk thickness is uneven, it has not been convenient to the stabilization clamping of chalk, also inconvenient teacher
The length for adjusting chalk, using there are certain deficiencies, so using not universal enough, it is difficult to meet the needs of market.
Summary of the invention
The purpose of the present invention is to provide a kind of teachers ' teaching protective devices, former to solve to propose in above-mentioned background technique
There is chalk sleeve in use, since chalk thickness is uneven, it has not been convenient to which, to the stabilization clamping of chalk, also inconvenient teacher adjusts chalk
Length, using there are certain deficiencies, so using not universal enough, it is difficult to meet the problem of the needs of market.
To achieve the above object, the invention provides the following technical scheme: a kind of teachers ' teaching protective device, including pen
Set, the pen cap are hollow cylindrical, and one end of the pen cap is removably connected with laser pen, the outer wall edge of the laser pen
Its axial direction, which offers, pushes away cap sliding slot, and extends at the port of the pen cap, and the inner wall for pushing away cap sliding slot is equipped with latch, described
The pen cap is connected together far from one end of the laser pen lantern ring, and the inner wall of the lantern ring is equipped with elastic pressuring plate, and the cap that pushes away is slided
It is slidably connected on slot and pushes away cap, described push away is fixed with push plate on the inside of cap, and the push plate transition fit is connected to the interior of the pen cap
Wall；It is described push away cap include push away surely cap and it is dynamic push away cap, it is described push away surely cap and it is described it is dynamic push away cap and be slidably connected, it is described push away surely cap with it is described
Push plate is fixedly connected, described to push away cap surely and be elasticly connected with the fixture block engaged with the latch by link block, and described dynamic to push away cap logical
It crosses connecting rod and is connected with anti-skid head, the anti-skid head is located at the inside of the fixture block.
Preferably, the outer surface of the pen cap is equipped with frosted line.
Preferably, the anti-skid head is cylinder, and the fixture block quantity is two, and is connected to by link block described
Surely the inside of cap is pushed away, the distance of two fixture blocks in its natural state is equal to the diameter of the anti-skid head, the thickness of the fixture block
The thickness that degree is equal to the latch is equal to the thickness of the anti-skid head.
Preferably, the laser pen is equipped with lamp cap and switch, is electrically connected between the lamp cap and the switch, described
Switching outer wall has annular knurl line.
Preferably, the lantern ring includes outer collar, inside race and snap ring, is formed between the outer collar and the inside race
The inner wall of grooving, the grooving is equipped with snap ring, and the inner wall of the inside race is uniformly equipped with the elastic pressuring plate.
Preferably, the push plate and the cap that pushes away are the metal material with certain degree of hardness, described to push away cap and the push plate
It is integrally formed, the middle position of the push plate is equipped with gas vent.
It compared with prior art, can the beneficial effects of the present invention are: being equipped with the lantern ring with elastic pressuring plate in one end of the pen cap
It is supported with the end to chalk, the fixed stability of chalk can be increased, control resistance additionally by the dynamic cap that pushes away pushed away on cap
Slippery fellow, which can control, to push away cap and is pushing away the stationary state in cap sliding slot, controls so as to convenient the length of chalk, more just
The writing of Yu teacher is equipped with laser pen in the other end of the pen cap, can be convenient teacher using the knowledge point given directions on blackboard, be convenient for
The progress of teaching.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is thimble structure schematic diagram of the invention；
Fig. 3 pushes away cap structure schematic diagram for of the invention；
Fig. 4 is plate pushing structure schematic diagram of the invention；
In figure: 1, the pen cap；11, cap sliding slot is pushed away；12, latch；2, laser pen；21, lamp cap；22, it switchs；3, cap is pushed away；31, fixed
Push away cap；311, fixture block；312, link block；32, it moves and pushes away cap；321, connecting rod；322, anti-skid head；4, lantern ring；401, grooving；41,
Outer collar；42, inside race；43, snap ring；44, elastic pressuring plate；5, push plate；51, gas vent.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of teachers ' teaching protective device, including the pen cap 1,
The pen cap 1 is hollow cylindrical, and one end of the pen cap 1 is removably connected with laser pen 2, and the outer wall of laser pen 2 is opened up along its axial direction
Cap sliding slot 11 is pushed away, and is extended at the port of the pen cap 1, the inner wall for pushing away cap sliding slot 11 is equipped with latch 12, and the pen cap 1 is far from laser pen
2 one end, which is connected together, lantern ring 4, and the inner wall of lantern ring 4 is equipped with elastic pressuring plate 44, pushes away to slidably connect pushing away cap 3 on cap sliding slot 11,
It pushes away and is fixed with push plate 5 on the inside of cap 3,5 transition fit of push plate is connected to the inner wall of the pen cap 1；Pushing away cap 3 includes pushing away cap 31 surely and moving to push away cap
32, push away surely cap 31 and it is dynamic push away cap 32 and be slidably connected, push away cap 31 surely and be fixedly connected with push plate 5, push away cap 31 surely and pass through 312 bullet of link block
Property be connected with the fixture block 311 engaged with latch 12, it is dynamic to push away cap 32 anti-skid head 322, anti-skid head 322 are connected with by connecting rod 321
Positioned at the inside of fixture block 311.
Further, the outer surface of the pen cap 1 is equipped with frosted line.
In the present embodiment, the outer surface of the pen cap 1 is equipped with frosted line, increases the non-skid property of the pen cap 1 and the comfort of gripping,
Improve the comfort that teacher uses.
Further, for the dynamic cap 32 that pushes away for cylinder, 311 quantity of fixture block is two, and is connected to and is determined by link block 312
The inside of cap 31 is pushed away, the distance of two fixture blocks 311 in its natural state is equal to the diameter of anti-skid head 322, the thickness etc. of fixture block 311
It is equal to the thickness of anti-skid head 322 in the thickness of latch 12.
In the present embodiment, anti-skid head 322 is cylinder, and 311 quantity of fixture block is two, and is connected by link block 312
In the inside for pushing away cap 31 surely, the reliability engaged between latch 12 can be increased by two fixture blocks 311, have and reliably hold
Intensity is carried, the distance of two fixture blocks 311 in its natural state is equal to the diameter of anti-skid head 322, it is ensured that when anti-skid head 322 is sliding
When moving between two fixture blocks 311, two 311 slid inwards of fixture block are prevented, and then ensure that fixed reliability, fixture block 311
Thickness be equal to latch 12 thickness be equal to anti-skid head 322 thickness, it is ensured that the reliability acted between each other.
Further, laser pen 2 is equipped with lamp cap 21 and switch 22, is electrically connected between lamp cap 21 and switch 22, switchs
22 outer walls have annular knurl line.
In the present embodiment, laser pen 2 is equipped with lamp cap 21 and switch 22, is electrically connected between lamp cap 21 and switch 22, side
It will pass through the switch that switch 22 controls lamp cap 21, realize in teaching process, lamp cap 21 is opened by switch 22, on blackboard
Knowledge point is explained, and 22 outer wall of switch has annular knurl line, and teacher is facilitated to carry out rotation use.
Further, lantern ring 4 includes outer collar 41, inside race 42 and snap ring 43, shape between outer collar 41 and inside race 42
At grooving 401, the inner wall of grooving 401 is equipped with snap ring 43, and the inner wall of inside race 42 is uniformly equipped with elastic pressuring plate 44.
In the present embodiment, lantern ring 4 includes outer collar 41, inside race 42 and snap ring 43, between outer collar 41 and inside race 42
Grooving 401 is formed, the end of the pen cap 1 can be fastened in by grooving 401, the pen cap 1 is fixed, the inner wall of grooving 401 is set
There is snap ring 43, guarantees the reliability of engaging, the inner wall of inside race 42 is uniformly equipped with elastic pressuring plate 44, while passing through elastic pressuring plate
44 can be fixed chalk and stable support, increase the comfort used.
Further, push plate 5 is the metal material with certain degree of hardness with cap 3 is pushed away, and pushes away cap 3 and push plate 5 is integrally formed, push away
The middle position of plate 5 is equipped with gas vent 51.
In the present embodiment, push plate 5 is the metal material with certain degree of hardness with cap 3 is pushed away, and pushes away cap 3 and push plate 5 is integrally formed,
Guarantee push plate 5 can be driven to be moved by pushing away cap 3, meanwhile, guarantee the reliability that push plate 5 supports chalk, can carry
The middle position of certain pressure, push plate 5 is equipped with gas vent 51.
The working principle of the invention and process for using: after the present invention installs, chalk being inserted into the pen cap 1, due to
The inner wall of lantern ring 4 has elastic pressuring plate 44, may remain in chalk sliding process, still can be to powder due to the difference of thickness
Pen carries out good support, to guarantee the chalk stability fixed in the pen cap 1, facilitates and is write, to chalk length into
When row is fixed, first slide backward it is dynamic push away cap 32, anti-skid head 322 moves back, and anti-skid head 322 is stuck between two fixture blocks 311 at this time, card
Block 311 is tightly bonded with latch 12, makes to push away that cap 3 is immovable, thereby may be ensured that the reliability that length is fixed in writing process,
When needing to slide, cap 32 can be pushed away to being pushed forward by dynamic, anti-skid head 322 is not between two fixture blocks 311 at this time, two fixture blocks 311
Can be with slid inward, and then realize that pushing away cap 3 is pushing away free to slide on cap sliding slot 11, and can pass through the control lamp cap 21 of switch 22
Switch, realize in teaching process, by switch 22 opening lamp cap 21, the knowledge point on blackboard is explained, switch 22
Outer wall has annular knurl line, and teacher is facilitated to carry out rotation use, has good practicability.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of teachers ' teaching protective device, including the pen cap (1), it is characterised in that: the pen cap (1) is hollow cylindrical,
One end of the pen cap (1) is removably connected with laser pen (2), and the outer wall of the laser pen (2) is offered along its axial direction to be pushed away
Cap sliding slot (11), and extend at the port of the pen cap (1), the inner wall for pushing away cap sliding slot (11) is equipped with latch (12), institute
Stating the pen cap (1) and being connected together far from the one end of the laser pen (2) has lantern ring (4), and the inner wall of the lantern ring (4) is equipped with elasticity pressure
Piece (44), it is described push away to slidably connect on cap sliding slot (11) push away cap (3), described push away is fixed with push plate (5) on the inside of cap (3), described
Push plate (5) transition fit is connected to the inner wall of the pen cap (1)；
It is described push away cap (3) include push away surely cap (31) and it is dynamic push away cap (32), it is described to push away cap (31) surely and described move pushes away cap (32) and slide
Connection, the cap (31) that pushes away surely are fixedly connected with the push plate (5), and described push away surely cap (31) are connected by link block (312) elasticity
It is connected to the fixture block (311) engaged with the latch (12), it is described dynamic to push away cap (32) and be connected with anti-skid head by connecting rod (321)
(322), the anti-skid head (322) is located at the inside of the fixture block (311).
2. a kind of teachers ' teaching protective device according to claim 1, it is characterised in that: the appearance of the pen cap (1)
Face is equipped with frosted line.
3. a kind of teachers ' teaching protective device according to claim 1, it is characterised in that: described to move anti-skid head (322)
For cylinder, fixture block (311) quantity is two, and is connected to by link block (312) and described pushes away the interior of cap (31) surely
Side, the distance of two fixture blocks (311) in its natural state are equal to the diameter of the anti-skid head (322), the fixture block (311)
Thickness be equal to the latch (12) thickness be equal to the anti-skid head (322) thickness.
4. a kind of teachers ' teaching protective device according to claim 1, it is characterised in that: set on the laser pen (2)
There are lamp cap (21) and switch (22), is electrically connected between the lamp cap (21) and the switch (22), described switch (22) outer wall
With annular knurl line.
5. a kind of teachers ' teaching protective device according to claim 1, it is characterised in that: the lantern ring (4) includes outer
Lasso (41), inside race (42) and snap ring (43), form grooving between the outer collar (41) and the inside race (42)
(401), the inner wall of the grooving (401) is equipped with snap ring (43), and the inner wall of the inside race (42) is uniformly equipped with the elasticity
Tabletting (44).
6. a kind of teachers ' teaching protective device according to claim 1, it is characterised in that: the push plate (5) and described
Pushing away cap (3) is the metal material with certain degree of hardness, described to push away cap (3) and the push plate (5) integrated molding, the push plate (5)
Middle position be equipped with gas vent (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966457.6A CN109017025A (en) | 2018-08-23 | 2018-08-23 | A kind of teachers ' teaching protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966457.6A CN109017025A (en) | 2018-08-23 | 2018-08-23 | A kind of teachers ' teaching protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109017025A true CN109017025A (en) | 2018-12-18 |
Family
ID=64628087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810966457.6A Pending CN109017025A (en) | 2018-08-23 | 2018-08-23 | A kind of teachers ' teaching protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109017025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968454A (en) * | 2020-08-14 | 2020-11-20 | 兰州市商业学校 | Novel electronic pointer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001043988A1 (en) * | 1999-12-15 | 2001-06-21 | Mullins Eric J | Apparatus for holding a writing utensil |
| CN202021973U (en) * | 2011-04-13 | 2011-11-02 | 徐琳欣 | Push-pull type chalk sleeve |
| CN202573424U (en) * | 2012-03-27 | 2012-12-05 | 中国石油大学(华东) | Multifunctional automatic dustless chalk |
| CN203876427U (en) * | 2014-06-20 | 2014-10-15 | 攀枝花学院 | Chalk holder |
| CN206781359U (en) * | 2017-04-05 | 2017-12-22 | 黄凯强 | A kind of chalk sleeve |
-
2018
- 2018-08-23 CN CN201810966457.6A patent/CN109017025A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001043988A1 (en) * | 1999-12-15 | 2001-06-21 | Mullins Eric J | Apparatus for holding a writing utensil |
| CN202021973U (en) * | 2011-04-13 | 2011-11-02 | 徐琳欣 | Push-pull type chalk sleeve |
| CN202573424U (en) * | 2012-03-27 | 2012-12-05 | 中国石油大学(华东) | Multifunctional automatic dustless chalk |
| CN203876427U (en) * | 2014-06-20 | 2014-10-15 | 攀枝花学院 | Chalk holder |
| CN206781359U (en) * | 2017-04-05 | 2017-12-22 | 黄凯强 | A kind of chalk sleeve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968454A (en) * | 2020-08-14 | 2020-11-20 | 兰州市商业学校 | Novel electronic pointer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200103 Address after: 238000 Granshan South Road, Chaohu Economic Development Zone, Hefei City, Anhui Province Applicant after: Hefei Vocationl Technical College Address before: 238000 Anhui Chaohu Economic Development Zone, Hefei, Anhui, Hefei, Career Technical College Applicant before: Tang Liefu |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |