CN108528094A - Chalk sleeve - Google Patents
Chalk sleeve Download PDFInfo
- Publication number
- CN108528094A CN108528094A CN201810738566.2A CN201810738566A CN108528094A CN 108528094 A CN108528094 A CN 108528094A CN 201810738566 A CN201810738566 A CN 201810738566A CN 108528094 A CN108528094 A CN 108528094A
- Authority
- CN
- China
- Prior art keywords
- chalk
- sheath
- slot
- supporting plate
- lower supporting
- 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.)
- Withdrawn
Links
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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention provides chalk sleeves, belong to teaching equipment field.It solves the problems, such as that the chalk on existing chalk sleeve can fall chalk dust.This chalk sleeve includes the body that front end is equipped with jack, chalk is inserted on jack, it is also cased with sheath on the outside of body, body outer wall is equipped with sliding slot, sliding slot is respectively provided with front edge and rear gear edge close to body front-end and back-end, jacket inner wall is equipped with sliding block, sliding block is placed in sliding slot, sliding block and rear gear are equipped with compressed spring between, it further include holder, holder includes upper backup pad and lower supporting plate arranged in parallel, and it is supported on the stabilizer blade of lower supporting plate bottom, supported hole and circular support groove in circle are respectively equipped on upper backup pad and lower supporting plate, support slot slot bottom is additionally provided with supported hole under circle.This chalk sleeve can block chalk using sheath, prevent chalk dust from dropping out, and using very convenient.
Description
It is on November 27th, 2015 that the application, which is the applying date, application No. is 2018105700821, entitled novel powder
The divisional application of the pen cap.
Technical field
The invention belongs to teaching aid technical fields, are related to chalk sleeve.
Background technology
When teacher uses chalk, use is usually directly held with hand, but chalk dust can be fallen unhealthful on hand therefore existing
There is a kind of chalk sleeve to be used to entangle chalk, but the chalk of chalk sleeve front end can also fall ash often, it is therefore necessary to be improved.
Invention content
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, providing a kind of can prevent chalk dust from falling
Go out, and the chalk sleeve of placement can be facilitated.
Object of the invention can be realized by the following technical scheme：Chalk sleeve, including body, body front end, which is equipped with, inserts
Hole, and it is inserted with chalk on the jack, it is characterised in that：It is also cased with cylindrical shape sheath, the set on the outside of the body
External wall is equipped with sliding slot, and the sliding slot is respectively provided with front edge and rear gear edge close to body front end and body back-end location,
The jacket inner wall is equipped with ring slider, and sliding block is placed in sliding slot, and sliding block and rear gear are equipped with compressed spring, institute between
The compressed spring energy band movable slider stated is moved towards front edge, and sheath is made to block the chalk, also can keep off sheath after
Along moving, and gear further includes holder, the holder includes being mutually parallel to set along upper and expose chalk after so that guard trailing end is against
The upper backup pad and lower supporting plate set, and it is supported on the stabilizer blade of lower supporting plate bottom, the upper backup pad and lower supporting plate
On be respectively equipped with supported hole and circular support groove in circle, the support slot slot bottom is additionally provided with supported hole under circle, and described
Upper supported hole, support slot and lower supported hole be coaxially disposed, the upper supported hole aperture is identical as support slot slot diameter, and with
Sheath cross section outer diameter is identical, and lower supported hole length identical as jack aperture and described is more than upper backup pad
The distance between lower supporting plate.
Hand is held into body, you can using the chalk on jack for writing, when after finishing writing, sheath is by compressing bullet
Gear and makes sheath block chalk along moving to spring band movable slider forward, can prevent chalk dust from dropping out using sheath at this time, Zhi Houke
Sheath is filled in holder from upper supported hole respectively, and sheath ends is made to be placed in support slot, is placed, next time in use,
It only needs to push body towards lower supported hole, gear is along upper and expose chalk after making guard trailing end be against, connected set body and sheath later
Chalk sleeve is held together, you can is used, therefore using very convenient.
In above-mentioned chalk sleeve, several mutually matched upper branch are respectively equipped on the upper backup pad and lower supporting plate
Hole and support slot are supportted, and support slot slot bottom is equipped with lower supported hole.
Therefore more bodies can be placed.
In above-mentioned chalk sleeve, the upper backup pad and lower supporting plate are in bar shaped, and upper backup pad both ends are under
Support plate both ends bend and are fixed to each other respectively, and form the stabilizer blade, and the stabilizer blade is equipped with magnetic patch.
Therefore holder can also be adsorbed on blackboard using magnetic patch, body is made to be disposed vertically with blackboard, conveniently next time
It takes.
In above-mentioned chalk sleeve, the guard leading end face and support slot slot bottom are respectively equipped with mutually matched annular magnetic
Block.
Therefore it places and more stablizes.
In above-mentioned chalk sleeve, Anti-slip cover is additionally provided on the outside of the sheath.
In above-mentioned chalk sleeve, the body and sheath are that plastics are made.
In above-mentioned chalk sleeve, the body rear end has smooth, spherical face.
Compared with prior art, the invention has the advantages that：
Hand is held into body, you can using the chalk on jack for writing, when after finishing writing, sheath is by compressing bullet
Gear and makes sheath block chalk along moving to spring band movable slider forward, can prevent chalk dust from dropping out using sheath at this time, Zhi Houke
Sheath is filled in holder from upper supported hole respectively, and sheath ends is made to be placed in support slot, is placed, next time in use,
It only needs to push body towards lower supported hole, gear is along upper and expose chalk after making guard trailing end be against, connected set body and sheath later
Chalk sleeve is held together, you can is used, therefore using very convenient.
Description of the drawings
Fig. 1 is this chalk sleeve structural schematic diagram and partial sectional view.
In figure,
1, body；11, jack；12, chalk；13, sliding slot；14, front edge；15, edge is kept off afterwards；
2, sheath；21, sliding block；22, compressed spring；
3, holder；31, upper backup pad；32, upper supported hole；33, lower supporting plate；34, support slot；35, lower supported hole；36、
Stabilizer blade.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, chalk sleeve of the present invention, including body 1,1 front end of body is equipped with jack 11, and is inserted with powder on jack 11
Pen 12,1 outside of body are also cased with cylindrical shape sheath 2, and 1 outer wall of body is equipped with sliding slot 13, and sliding slot 13 is close to 1 front end of body and set
1 back-end location of body is respectively provided with front along 14 and rear gear along 15, and 2 inner wall of sheath is equipped with ring slider 21, and sliding block 21 is placed on cunning
In slot 13, and sliding block 21 and rear gear are equipped with compressed spring 22 between 15, and 22 energy band movable slider 21 of compressed spring is towards front along 14
It is mobile, and sheath 2 is made to block chalk 12, sheath 2 can also be kept off after and be moved along 15, and edge is kept off after so that 2 rear end of sheath is against
On 15 and exposing chalk 12, further includes holder 3, holder 3 includes upper backup pad 31 and lower supporting plate 33 arranged in parallel, with
And it is supported on the stabilizer blade 36 of 33 bottom of lower supporting plate, it is respectively equipped with supported hole 32 in circle on upper backup pad 31 and lower supporting plate 33
With circular support groove 34,34 slot bottom of support slot is additionally provided with supported hole 35 under circle, and upper supported hole 32, support slot 34 and lower support
Hole 35 is coaxially disposed, and 32 aperture of upper supported hole is identical as 34 slot diameter of support slot, and identical as 2 cross section outer diameter of sheath, lower branch
It is identical as 11 aperture of jack to support hole 35, and 2 length of sheath is more than the distance between upper backup pad 31 and lower supporting plate 33.
Further, several mutually matched upper supported holes 32 and branch are respectively equipped on upper backup pad 31 and lower supporting plate 33
Slot 34 is supportted, and 34 slot bottom of support slot is equipped with lower supported hole 35.Upper backup pad 31 and lower supporting plate 33 are in bar shaped, and upper support
31 both ends of plate and 33 both ends of lower supporting plate bend and are fixed to each other respectively, and form stabilizer blade 36, and stabilizer blade 36 is equipped with magnetic patch.Shield
It covers 2 front end faces and 34 slot bottom of support slot is respectively equipped with mutually matched annular magnetic patch.2 outside of sheath is additionally provided with Anti-slip cover.Body 1
It is that plastics are made with sheath 2.1 rear end of body has smooth, spherical face.
Hand is held into body 1, you can using the chalk 12 on jack 11 for writing, when after finishing writing, sheath 2 passes through
Compressed spring 22 is moved towards front along 14 with movable slider 21, and sheath 2 is made to block chalk 12, can be prevented using sheath 2 at this time
Chalk dust drops out, and can sheath 2 be filled in holder 3 from upper supported hole 32 respectively later, and 2 end of sheath is made to be placed in support slot 34
It is interior, it is placed, next time is in use, only need to push body 1 towards lower supported hole 35, gear is along 15 after making 2 rear end of sheath be against
It goes up and exposes chalk 12, connected set body 1 and sheath 2 hold chalk sleeve together later, you can are used, therefore use is very square
Just.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although body 1, jack 11, chalk 12, sliding slot 13, front is used more herein along 14, rear gear along 15, sheath
2, sliding block 21, compressed spring 22, holder 3, upper backup pad 31, upper supported hole 32, lower supporting plate 33, support slot 34, lower supported hole
35, the terms such as stabilizer blade 36, but it does not preclude the possibility of using other terms.The use of these items is only for more easily
Describe and explain the essence of the present invention；Being construed as any one of the additional limitations all is disagreed with spirit of that invention
's.
Claims (3)
1. chalk sleeve, including body (1), body (1) front end is equipped with jack (11), and is inserted with chalk on the jack (11)
(12), it is characterised in that：Cylindrical shape sheath (2) is also cased on the outside of the body (1), the body (1) outer wall, which is equipped with, to be slided
Slot (13), and the sliding slot (13) close to body (1) front end and body (1) back-end location be respectively provided with front along (14) and after
Gear is along (15), and the sheath (2) inner wall is equipped with ring slider (21), and sliding block (21) is placed in sliding slot (13), and sliding block
(21) it is equipped with compressed spring (22) between (15) rear gear, the compressed spring (22) energy band movable slider (21) is towards front edge
(14) mobile, and sheath (2) is made to block the chalk (12), it also can be mobile along (15) by gear after sheath (2) direction, and make shield
Gear on (15) and exposes chalk (12) after set (2) rear end is against, and further includes holder (3), and the holder (3) includes mutually flat
The upper backup pad (31) and lower supporting plate (33) of row setting, and it is supported on the stabilizer blade (36) of lower supporting plate (33) bottom, it is described
Upper backup pad (31) and lower supporting plate (33) on be respectively equipped with supported hole in circle (32) and circular support groove (34), it is described
Support slot (34) slot bottom is additionally provided with supported hole under circle (35), and upper supported hole (32), support slot (34) and the lower support
Hole (35) is coaxially disposed, and upper supported hole (32) aperture is identical as support slot (34) slot diameter, and with sheath (2) cross section
Outer diameter is identical, and the lower supported hole (35) sheath (2) length identical as jack (11) aperture and described is more than upper backup pad
(31) and the distance between lower supporting plate (33)；It is respectively equipped with several phases on the upper backup pad (31) and lower supporting plate (33)
The upper supported hole (32) and support slot (34) mutually coordinated, and support slot (34) slot bottom is equipped with lower supported hole (35)；The shield
Set (2) front end face and support slot (34) slot bottom are respectively equipped with mutually matched annular magnetic patch；Described body (1) rear end has light
Sliding spherical；The body (1) and sheath (2) is that plastics are made.
2. chalk sleeve according to claim 1, it is characterised in that：The upper backup pad (31) and lower supporting plate (33) is equal
In bar shaped, and upper backup pad (31) both ends and lower supporting plate (33) both ends bend and are fixed to each other respectively, and form the branch
Foot (36), and the stabilizer blade (36) is equipped with magnetic patch.
3. chalk sleeve according to claim 1, it is characterised in that：It is additionally provided with Anti-slip cover on the outside of the sheath (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738566.2A CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866860.8A CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
| CN201810738566.2A CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510866860.8A Division CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108528094A true CN108528094A (en) | 2018-09-14 |
Family
ID=55494656
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738566.2A Withdrawn CN108528094A (en) | 2015-11-27 | 2015-11-27 | Chalk sleeve |
| CN201810570082.1A Withdrawn CN108749401A (en) | 2015-11-27 | 2015-11-27 | Novel chalk casing |
| CN201810627058.7A Withdrawn CN108790483A (en) | 2015-11-27 | 2015-11-27 | A kind of improved novel chalk casing |
| CN201510866860.8A Active CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810570082.1A Withdrawn CN108749401A (en) | 2015-11-27 | 2015-11-27 | Novel chalk casing |
| CN201810627058.7A Withdrawn CN108790483A (en) | 2015-11-27 | 2015-11-27 | A kind of improved novel chalk casing |
| CN201510866860.8A Active CN105415930B (en) | 2015-11-27 | 2015-11-27 | A kind of novel chalk casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN108528094A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174475B (en) * | 2018-08-17 | 2020-12-11 | 吴嫱 | Cell centrifuge convenient to get and put test tube |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070249U (en) * | 1990-06-01 | 1991-01-30 | 徐中宾 | Convenient chalk holder |
| CN2188489Y (en) * | 1994-04-14 | 1995-02-01 | 魏隆诚 | Writing chalk on blackboard |
| JPH11129681A (en) * | 1997-10-24 | 1999-05-18 | Masaharu Taguchi | Bar-like article feeding container |
| CN2357921Y (en) * | 1999-02-14 | 2000-01-12 | 金勇男 | Chalk holder |
| CN2540281Y (en) * | 2002-05-23 | 2003-03-19 | 杨冬文 | Economizing chalk holder |
| CN202242680U (en) * | 2011-08-02 | 2012-05-30 | 蹇承灼 | Hanging type pen container |
| CN202878999U (en) * | 2012-10-26 | 2013-04-17 | 于鸣露 | Blackboard-writing pen case |
| CN204605340U (en) * | 2015-03-30 | 2015-09-02 | 江汉大学 | A kind of pen container |
| CN205238930U (en) * | 2015-11-27 | 2016-05-18 | 沈晶晶 | Novel chalk cover |
-
2015
- 2015-11-27 CN CN201810738566.2A patent/CN108528094A/en not_active Withdrawn
- 2015-11-27 CN CN201810570082.1A patent/CN108749401A/en not_active Withdrawn
- 2015-11-27 CN CN201810627058.7A patent/CN108790483A/en not_active Withdrawn
- 2015-11-27 CN CN201510866860.8A patent/CN105415930B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105415930B (en) | 2019-01-18 |
| CN108749401A (en) | 2018-11-06 |
| CN108790483A (en) | 2018-11-13 |
| CN105415930A (en) | 2016-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180914 |