CN209920840U - Convenient sanitary chalk sleeve - Google Patents
Convenient sanitary chalk sleeve Download PDFInfo
- Publication number
- CN209920840U CN209920840U CN201920142874.9U CN201920142874U CN209920840U CN 209920840 U CN209920840 U CN 209920840U CN 201920142874 U CN201920142874 U CN 201920142874U CN 209920840 U CN209920840 U CN 209920840U
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- China
- Prior art keywords
- chalk
- sleeve
- iron sheet
- main body
- clamping iron
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- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 126
- 229910052742 iron Inorganic materials 0.000 claims abstract description 63
- 238000010586 diagram Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A convenient and sanitary chalk sleeve comprises a chalk sleeve main body, a chalk clamp used for clamping chalk, a sliding assembly used for placing the chalk in the chalk sleeve main body and a laser assembly, wherein the chalk sleeve main body is cylindrical, the head of the chalk sleeve main body is provided with an opening, and the laser assembly is arranged at the tail of the chalk sleeve main body; the chalk clamp is positioned in the chalk sleeve main body and comprises a fixed sleeve for fixing chalk, a clamping iron sheet fixed seat and a chalk clamp switch, wherein the clamping iron sheet fixed seat is fixed on the annular connecting piece, the chalk clamp switch is pressed down, the wedge-shaped head of the clamping iron sheet fixed seat stretches out an opening of the fixed sleeve, one end of the chalk is clamped in the fixed sleeve from the head of the chalk sleeve main body, the rear end of the clamping iron sheet is separated from the sawteeth by a sliding piece which slides backwards, and then the clamping iron sheet fixed seat and the fixed sleeve are driven to move backwards, so that the chalk is filled in the chalk sleeve main body; the utility model provides a convenient sanitary chalk cover can realize putting into this chalk cover with the chalk, then the function of using again.
Description
Technical Field
The utility model relates to a convenient sanitary chalk cover.
Background
When a teacher holds the chalk, the chalk can cause damage to hand skin of the teacher, and the teacher contacting the chalk all the year round is undoubtedly very painful. The waste of the chalk is serious in class, and the utilization rate of the chalk end needs to be improved. In recent years, along with the increasing use frequency of multimedia technology in class year by year, the laser pen has also entered the class, and the laser pen replaces the wooden stick used in the traditional classroom, can be convenient and fast the key point on the blackboard.
Disclosure of Invention
In order to solve the injury that the skin frequently contacts the chalk and cause the teacher when the teacher uses the chalk, the utility model provides a convenient sanitary chalk cover can realize putting the chalk into this chalk cover, then the function of using again.
The utility model provides a technical scheme that its technical problem adopted is:
a convenient and sanitary chalk sleeve comprises a chalk sleeve main body, a chalk clamp used for clamping chalk, a sliding assembly used for placing the chalk in the chalk sleeve main body and a laser assembly, wherein the chalk sleeve main body is cylindrical, the head of the chalk sleeve main body is provided with an opening, and the laser assembly is arranged at the tail of the chalk sleeve main body;
the chalk clamp is positioned in the chalk sleeve main body and comprises a fixed sleeve, a clamping iron sheet fixed seat and a chalk clamp switch, wherein the fixed sleeve is used for fixing chalk, the tail part of the fixed sleeve is provided with an annular connecting piece, the clamping iron sheet fixed seat is fixed on the annular connecting piece, the clamping iron sheet fixed seat is provided with two fixed seat convex blocks and a V-shaped boss, a strip-shaped through hole is formed between the two fixed seat convex blocks, the clamping iron sheet is V-shaped and is arranged in a groove formed by the V-shaped boss and one of the fixed seat convex blocks, and the front end and the rear end of the clamping iron sheet are respectively positioned at the front end and the rear end of the strip-;
the pen cap comprises a pen cap body and a sliding assembly, wherein the pen cap body is provided with a sliding groove along the length direction of the pen cap body, the sawtooth is fixedly arranged in the sliding groove, the sliding assembly is arranged on the sliding groove in a sliding mode, a sliding assembly protruding block is arranged on the inner side of the sliding assembly, the sliding assembly protruding block is located between the sawtooth and a clamping iron sheet and is clamped in a strip-shaped through hole in a clamping iron sheet fixing seat, and the front end and the rear end of the clamping iron sheet are clamped on the sawtooth; the chalk clip switch is arranged at the front end of the sliding piece and comprises a wedge-shaped head, a spring, a connecting rod, a sleeve and a button, wherein the wedge-shaped head is used for opening an opening in the fixing sleeve;
pressing down a chalk clamp switch, wherein a wedge-shaped head of the chalk clamp switch props open an opening of the fixing sleeve, one end of chalk is clamped in the fixing sleeve from the head of the pen sleeve main body, a sliding piece slides backwards, a protruding block of the sliding piece separates the rear end of the clamping iron sheet from the sawteeth, and then the clamping iron sheet fixing seat and the fixing sleeve are driven to move backwards, so that the chalk is loaded into the pen sleeve main body;
the laser assembly comprises a laser lamp, a laser power supply and a laser lamp switch, the laser power supply is connected with the laser lamp through the laser lamp switch, and a laser lamp light emitting hole is formed in the center of the end portion of the tail of the pen cap body.
Further, the cross section of the pen cap main body is triangular with round corners.
The beneficial effects of the utility model are that: the design of the shape of the shell of the utility model realizes the requirement of enhancing the holding comfort of teachers, and is different from the shell with a circular shape, the shell of the utility model adopts the design of the section of a rounded triangle, thereby realizing the advantage that the utility model is not easy to roll off when being placed on a desktop;
the design of the laser pen is added at the tail part of the utility model, so that the design can help teachers to indicate key paragraphs on the blackboard, and the teaching of teachers is effectively assisted;
on the other hand, the utility model discloses can improve the use and utilization ratio of chalk, the effectual use that improves the chalk end can be the national saving teaching resource to a certain extent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the utility model after clamping chalk.
Fig. 3 is an exploded view of the chalk clip.
Fig. 4 is an assembly view of the fixing sleeve and the clamping iron sheet fixing seat.
Fig. 5 is a schematic view of the engagement between the clamping iron sheet and the clamping iron sheet fixing seat.
Fig. 6 is a schematic view of the engagement between the protrusion of the slider and the fastening iron sheet fixing seat.
Fig. 7 is a state view in which the slider bump is moved backward.
Fig. 8 is a state diagram in which the slider bump is moved forward.
Fig. 9 is a schematic view of the structure of the chalk clip switch.
Fig. 10 is a view showing a state in which the chalk clip switch is pressed.
FIG. 11 is a cross-sectional view of the cap body.
Fig. 12 is a schematic view of the assembly of the chalk with the cap body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 12, a convenient and sanitary chalk sleeve comprises a main sleeve body 1, a chalk clip for clamping chalk, a sliding assembly for placing the chalk in the main sleeve body 1 and a laser assembly, wherein the main sleeve body 1 is cylindrical, the head of the main sleeve body is provided with an opening 1.1, and the laser assembly is arranged at the tail of the main sleeve body 1;
the chalk clip is positioned in the chalk sleeve main body 1 and comprises a fixed sleeve 12 for fixing a chalk 8, a clamping iron sheet 9, a clamping iron sheet fixed seat 10 and a chalk clip switch 3, wherein the fixed sleeve 12 is provided with an opening, the tail part of the fixed sleeve is provided with an annular connecting piece 11, the clamping iron sheet fixed seat 10 is fixed on the annular connecting piece 11, the clamping iron sheet fixed seat 10 is provided with two fixed seat convex blocks and a V-shaped boss 10.2, a strip-shaped through hole 10.3 is formed between the two fixed seat convex blocks, the clamping iron sheet 9 is V-shaped and is arranged in a groove formed by the V-shaped boss 10.2 and one of the fixed seat convex blocks 10.1, and the front end and the rear end of the clamping iron sheet 9 are respectively positioned at the front end and the rear end of;
the sliding assembly comprises sawteeth 4 and a sliding part 2, a sliding groove is formed in the pen cap main body 1 along the length direction of the pen cap main body, the sawteeth 4 are fixedly arranged in the sliding groove, the sliding part 2 is slidably arranged on the sliding groove, a sliding part protruding block 2.1 is arranged on the inner side of the sliding part 2, the sliding part protruding block 2.1 is positioned between the sawteeth 4 and a clamping iron sheet 9 and is clamped in a strip-shaped through hole 10.3 in a clamping iron sheet fixing seat 10, and the front end and the rear end of the clamping iron sheet 9 are clamped on the sawteeth 4; the chalk clip switch 3 is installed on the front end of the sliding part 2, the chalk clip switch 3 comprises a wedge-shaped head 3.3, a spring 3.4, a connecting rod, a sleeve 3.1 and a button 3.2, the wedge-shaped head 3.3 is used for opening an opening on the fixing sleeve, the button 3.2 is connected with the wedge-shaped head through the connecting rod, the spring 3.4 is sleeved outside the connecting rod, one end of the spring 3.4 is connected with the sleeve 3.1, the other end of the spring 3.4 is connected with the wedge-shaped head 3.3, the button 3.2 is installed in the sleeve 3.1 in a sliding mode, and the sleeve 3.1 is fixed on the sliding part 2;
the chalk clip switch 3 is pressed down, the opening of the fixed sleeve 12 is opened by the wedge-shaped head 3.3 of the chalk clip switch, one end of the chalk 8 is clamped in the fixed sleeve 12 from the head of the chalk sleeve main body 1, the rear end of the clamping iron sheet 9 is separated from the saw teeth 4 by the sliding piece 2 which slides backwards, and then the clamping iron sheet fixed seat 10 and the fixed sleeve 12 are driven to move backwards, so that the chalk 8 is loaded in the chalk sleeve main body 1;
the laser assembly comprises a laser lamp 5, a laser power supply and a laser lamp switch 6, the laser power supply is connected with the laser lamp 5 through the laser lamp switch 6, and a laser lamp light emitting hole 7 is formed in the center of the end portion of the tail of the pen cap body 1.
Further, the cross section of the pen cap body 1 is triangular with round corners.
The front and back directions of the utility model are set according to the figure 1, other figures are also set according to the corresponding part positions on the figure 1, and the directions are consistent with the figure 1. In this embodiment, chucking iron sheet fixing base 10, slider lug 2.1, chucking iron sheet 9's cooperation, can make the chalk of connecting on annular connecting piece 11 and fixed cover 12 can slide along 4 insections of sawtooth, when outwards sliding the chalk through slider 2, chucking iron sheet 9 can be relieved to slider lug 2.1 on slider 2, make chucking iron sheet 9 break away from the insection on sawtooth 4, and when moving the chalk toward laser lamp 5 direction through slider 2, slider lug 2.1 on slider 2 will contact chucking iron sheet 9, thereby make chucking iron sheet 9 break away from the insection on the sawtooth 4, when the user is not in contact with slider 2, chucking iron sheet 9 will make slider 2 fix a position on sawtooth 4, can not slide at will.
When the clamping device works, the clamping iron sheet 9 is arranged between the lug 10.1 of the fixed seat and the V-shaped boss 10.2.
As shown in fig. 3, the slider projection 2.1 is provided with a hook-shaped structure for hooking on the fastening iron sheet fixing seat.
As shown in fig. 4, the clip iron piece fixing seat 10 is integrated with the annular connecting member 11.
As shown in fig. 6, 7 and 8, the matching relationship between the sliding part 2 and the sawtooth 4 and the clamping iron sheet 9, the opening of the clamping iron sheet 9 is arranged towards the sawtooth 4, and the front and rear ends of the clamping iron sheet are clamped on the sawtooth 4, when the sliding part protruding block 2.1 moves backwards, the clamping iron sheet 9 can be directly contacted with the clamping iron sheet, so that the clamping iron sheet 9 is deformed, the clamping iron sheet 9 is separated from the sawtooth 4, under the condition, the clamping iron sheet fixing seat 10 which moves simultaneously with the sliding part 2 and the annular connecting piece 11 can be moved, and finally, the chalk clamped on the fixing sleeve 12 is moved backwards. When the lug 2.1 of the sliding part moves forwards, the lug can be directly contacted with the clamping iron sheet 9, so that the clamping iron sheet 9 is deformed, the clamping iron sheet 9 is separated from the sawteeth 4, under the condition, the clamping iron sheet fixing seat 10 and the annular connecting piece 11 which move simultaneously with the sliding part 2 can move, and finally, the chalk clamped on the fixing sleeve 12 is moved forwards. When trying to slide the chalk clamped on the fixing sleeve 12, the clamping iron sheet 9 and the saw teeth 4 are clamped, so that the chalk cannot slide at any position.
As shown in fig. 9 and 10, when the fixing sleeve 12 is not required to open the opening thereof, and the holder switch 3 is pressed, the holder switch 3 is inserted into fig. 10. When the hand is released, the spring 3.4 will pull the wedge 3.3 back, which is shown in fig. 9.
The utility model discloses a use method does: firstly, inserting the chalk 8 into the pen cap main body 1, then pressing the chalk clamp switch 3, the chalk clamp switch 3 can open the opening on the fixing sleeve, the redundant space is opened to insert the chalk into the fixing sleeve 12, then the chalk clamp switch 3 is loosened, and the spring 3.4 in the chalk clamp switch 3 can enable the wedge-shaped head 3.3 to restore to the original position.
After the chalk is clamped tightly, the sliding piece 2 is pressed to slide towards the laser lamp 5, and the chalk enters the inner part of the pen cap main body 1.
When the teacher uses, can make laser lamp 5 work through pressing laser lamp switch 6, the laser lamp luminescent hole 7 goes out will have the laser to emit, and the teacher of help points out the key paragraph on the blackboard.
In addition, when the chalk sleeve is used, the opening 1.1 of the chalk sleeve main body 1 can clamp the chalk through finger force, so that the effect of stability is achieved.
The utility model discloses a pen socket main part cross-section is chamfer triangle-shaped, has just so avoided the chalk cover to slide at will on the desktop and has dropped to ground. The chalk clip can realize automatic locking, when a hand of a user falls on the pen cap main body 1, the chalk cannot move up and down randomly, and when the hand of the user falls on the sliding part 2, the chalk can slide back and forth along with the sliding part 2. The opening 1.1 of the chalk sleeve main body can contract the opening diameter of the chalk sleeve when stressed, and the chalk can be fixed when the opening diameter is reduced, so that the chalk sleeve can be suitable for common chalks which are thick at one end and thin at the other end in the market.
Claims (2)
1. A convenient sanitary chalk sleeve is characterized in that: the chalk sleeve comprises a chalk sleeve main body, a chalk clamp for clamping chalk, a sliding assembly for placing the chalk in the chalk sleeve main body and a laser assembly, wherein the chalk sleeve main body is cylindrical, the head of the chalk sleeve main body is provided with an opening, and the laser assembly is arranged at the tail of the chalk sleeve main body;
the chalk clamp is positioned in the chalk sleeve main body and comprises a fixed sleeve, a clamping iron sheet fixed seat and a chalk clamp switch, wherein the fixed sleeve is used for fixing chalk, the tail part of the fixed sleeve is provided with an annular connecting piece, the clamping iron sheet fixed seat is fixed on the annular connecting piece, the clamping iron sheet fixed seat is provided with two fixed seat convex blocks and a V-shaped boss, a strip-shaped through hole is formed between the two fixed seat convex blocks, the clamping iron sheet is V-shaped and is arranged in a groove formed by the V-shaped boss and one of the fixed seat convex blocks, and the front end and the rear end of the clamping iron sheet are respectively positioned at the front end and the rear end of the strip-;
the pen cap comprises a pen cap body and a sliding assembly, wherein the pen cap body is provided with a sliding groove along the length direction of the pen cap body, the sawtooth is fixedly arranged in the sliding groove, the sliding assembly is arranged on the sliding groove in a sliding mode, a sliding assembly protruding block is arranged on the inner side of the sliding assembly, the sliding assembly protruding block is located between the sawtooth and a clamping iron sheet and is clamped in a strip-shaped through hole in a clamping iron sheet fixing seat, and the front end and the rear end of the clamping iron sheet are clamped on the sawtooth; the chalk clip switch is arranged at the front end of the sliding piece and comprises a wedge-shaped head, a spring, a connecting rod, a sleeve and a button, wherein the wedge-shaped head is used for opening an opening in the fixing sleeve;
pressing down a chalk clamp switch, wherein a wedge-shaped head of the chalk clamp switch props open an opening of the fixing sleeve, one end of chalk is clamped in the fixing sleeve from the head of the pen sleeve main body, a sliding piece slides backwards, a protruding block of the sliding piece separates the rear end of the clamping iron sheet from the sawteeth, and then the clamping iron sheet fixing seat and the fixing sleeve are driven to move backwards, so that the chalk is loaded into the pen sleeve main body;
the laser assembly comprises a laser lamp, a laser power supply and a laser lamp switch, the laser power supply is connected with the laser lamp through the laser lamp switch, and a laser lamp light emitting hole is formed in the center of the end portion of the tail of the pen cap body.
2. The convenient sanitary chalk cover according to claim 1, characterized in that: the cross section of the pen cap main body is triangular with round corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142874.9U CN209920840U (en) | 2019-01-28 | 2019-01-28 | Convenient sanitary chalk sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920142874.9U CN209920840U (en) | 2019-01-28 | 2019-01-28 | Convenient sanitary chalk sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209920840U true CN209920840U (en) | 2020-01-10 |
Family
ID=69067706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920142874.9U Expired - Fee Related CN209920840U (en) | 2019-01-28 | 2019-01-28 | Convenient sanitary chalk sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209920840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927446A (en) * | 2019-01-28 | 2019-06-25 | 浙江工业大学 | A kind of Portable sanitary chalk sleeve |
-
2019
- 2019-01-28 CN CN201920142874.9U patent/CN209920840U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927446A (en) * | 2019-01-28 | 2019-06-25 | 浙江工业大学 | A kind of Portable sanitary chalk sleeve |
| CN109927446B (en) * | 2019-01-28 | 2024-03-22 | 浙江工业大学 | Convenient sanitary chalk sleeve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200110 |