CN204236068U - Portablely exempt from erasable word film - Google Patents
Portablely exempt from erasable word film Download PDFInfo
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- CN204236068U CN204236068U CN201420635046.6U CN201420635046U CN204236068U CN 204236068 U CN204236068 U CN 204236068U CN 201420635046 U CN201420635046 U CN 201420635046U CN 204236068 U CN204236068 U CN 204236068U
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- polyester film
- adhesive layer
- film
- litter
- micropore adhesive
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Abstract
The open one of the utility model is portable exempts from erasable word film, comprise substrate, write pad pasting, upper side frame and lower frame, this upper side frame and lower frame side is in opposite directions respectively arranged with upper hopper chute, gliding groove, one litter one end is arranged on top sheave, this litter other end is arranged on lower sheave, the described pad pasting that writes is made up of polyester film and the micropore adhesive layer being coated on polyester film surface, micropore adhesive layer is positioned at polyester film and substrate surface in opposite directions, described polyester film two ends are respectively arranged with first, second bending part, described litter is positioned at polyester film or first, below second bending part, the upper surface of described polyester film and micropore adhesive layer is evenly distributed with several upper projecting portion, the lower surface that described polyester film contacts with micropore adhesive layer is evenly distributed with several lower convex portion.The utility model is portable exempts from erasable word film and is convenient to installation and removal, and easily clean, outward appearance is beautiful, fastness is good, also can improve the sense of touch that the pad pasting that writes is write.
Description
Technical field
The utility model belongs to board technical field, particularly relates to a kind of portablely to exempt from erasable word film.
Background technology
At present, adopt blackboard, chalk as educational aid in teaching, blackboard coats pitch-dark by plank or cement plate surface or is made up of the focussing glass of lining black matrix; At present, blackboard can only be the chalk-writing of primary raw material by lime, and dust is very large, after student and teacher suck, has a strong impact on healthy.A kind of board disclosed in the patent No. 201120429753.6, employs watercolor pencil and imparts knowledge to students, but also needs to carry out wiping, and watercolor pencil price is higher, is also unfavorable for environmental protection, improves use cost.Therefore, be necessary that design is a kind of and automatically the word that writer writes on board can be carried out auto-erasing, effectively improve writer's surrounding environment, and greatly reduce use cost, better meet the portable of the needs of writer and exempt from erasable word film, become the direction that those skilled in the art make great efforts.
Summary of the invention
The utility model provides a kind of and portablely exempts from erasable word film, and this is portable exempts from erasable word film and be convenient to installation and removal, and easily clean, outward appearance is beautiful, fastness is good, effectively improves writer's surrounding environment, improves viewing board angular field of view and definition.
For achieving the above object, the technical solution adopted in the utility model is: one is portable exempts from erasable word film, comprise the substrate with black upper surface, write pad pasting, upper side frame and lower frame, on the upper surface that described upper side frame and lower frame are installed on substrate respectively and lower surface, this upper side frame and lower frame side is in opposite directions respectively arranged with upper hopper chute, gliding groove, this upper hopper chute, top sheave is embedded with respectively in gliding groove, lower sheave, one litter one end is arranged on top sheave, this litter other end is arranged on lower sheave, the described pad pasting that writes is made up of polyester film and the micropore adhesive layer being coated on polyester film surface, micropore adhesive layer is positioned at polyester film and substrate surface in opposite directions, described polyester film two ends are respectively arranged with first, second bending part, described litter is positioned at polyester film or first, below second bending part, the upper surface of described polyester film and micropore adhesive layer is evenly distributed with several upper projecting portion, the lower surface that described polyester film contacts with micropore adhesive layer is evenly distributed with several lower convex portion.
The technical scheme improved further in technique scheme is as follows:
1, in such scheme, the thickness of described micropore adhesive layer is 20 μm ~ 60 μm, and pore density is 1000 ~ 3000/cubic centimetre.
2, in such scheme, the thickness of described polyester film is 75 μm ~ 200 μm
3, in such scheme, first, second bending part described and substrate angle are 10 ° ~ 30 °.
4, in such scheme, the lower surface roughness of described polyester film is the surface of 1.0 μm ~ 3.0 μm.
Because technique scheme is used, the utility model compared with prior art has following advantages:
The utility model is portable exempts from erasable word film, its structure is simple, and reasonable in design, production cost is low, be convenient to installation and removal, easy scouring, outward appearance is beautiful, and fastness is good, automatically the word that writer writes on clipboard can be carried out auto-erasing, effectively improve writer's surrounding environment, and both greatly reduce use cost, also reduce pollution; Secondly, its polyester film two ends are respectively arranged with first, second bending part, and described litter is positioned at below polyester film or first, second bending part, and time easy to use, polyester film is peeled off by operator fast, improve efficiency of erasing; Again, the upper surface of its polyester film and micropore adhesive layer is evenly distributed with several lug bosses, thus form at this upper surface the surface that roughness is 1.0 μm ~ 3.0 μm, both also can improve the sense of touch that the pad pasting that writes is write, also greatly improve viewing board angular field of view and definition.
Accompanying drawing explanation
Accompanying drawing 1 exempts from erasable word membrane structure schematic diagram for the utility model is portable;
Accompanying drawing 2 exempts to write in erasable word film pad pasting and litter structural representation for the utility model is portable.
In above accompanying drawing: 1, substrate; 2, write pad pasting; 3, upper side frame; 4, lower frame; 5, upper hopper chute; 6, gliding groove; 7, top sheave; 8, lower sheave; 9, litter; 10, polyester film; 11, micropore adhesive layer; 12, the first bending part; 13, the second bending part; 14, upper projecting portion; 15, lower convex portion.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: one is portable exempts from erasable word film, comprise the substrate 1 with black upper surface, write pad pasting 2, upper side frame 3 and lower frame 4, on the upper surface that described upper side frame 3 and lower frame 4 are installed on substrate 1 respectively and lower surface, this upper side frame and lower frame side is in opposite directions respectively arranged with upper hopper chute 5, gliding groove 6, this upper hopper chute 5, top sheave 7 is embedded with respectively in gliding groove 6, lower sheave 8, one litter 9 one end is arranged on top sheave 7, this litter 9 other end is arranged on lower sheave 8, the described pad pasting 2 that writes is made up of polyester film 10 and the micropore adhesive layer 11 being coated on polyester film 10 surface, micropore adhesive layer 11 is positioned at polyester film 10 and substrate 1 surface in opposite directions, described polyester film 10 two ends are respectively arranged with first, second bending part, described litter 9 is positioned at polyester film 10 or the first, second bending part 12, below 13, described polyester film 10 upper surface opposing with micropore adhesive layer 11 is evenly distributed with several upper projecting portion 14, the lower surface that described polyester film 10 contacts with micropore adhesive layer 11 is evenly distributed with several lower convex portion 15.
The thickness of above-mentioned micropore adhesive layer 11 is 45 ~ 50 μm; The thickness of above-mentioned polyester film 10 is 90 μm.
First, second bending part 12,13 above-mentioned and substrate 1 angle are 15 °; The lower surface roughness of above-mentioned polyester film 10 is the surface of 1.8 ~ 2.0 μm.
Embodiment 2: one is portable exempts from erasable word film, comprise the substrate 1 with black upper surface, write pad pasting 2, upper side frame 3 and lower frame 4, on the upper surface that described upper side frame 3 and lower frame 4 are installed on substrate 1 respectively and lower surface, this upper side frame and lower frame side is in opposite directions respectively arranged with upper hopper chute 5, gliding groove 6, this upper hopper chute 5, top sheave 7 is embedded with respectively in gliding groove 6, lower sheave 8, one litter 9 one end is arranged on top sheave 7, this litter 9 other end is arranged on lower sheave 8, the described pad pasting 2 that writes is made up of polyester film 10 and the micropore adhesive layer 11 being coated on polyester film 10 surface, micropore adhesive layer 11 is positioned at polyester film 10 and substrate 1 surface in opposite directions, described polyester film 10 two ends are respectively arranged with first, second bending part, described litter 9 is positioned at polyester film 10 or the first, second bending part 12, below 13, described polyester film 10 upper surface opposing with micropore adhesive layer 11 is evenly distributed with several upper projecting portion 14, the lower surface that described polyester film 10 contacts with micropore adhesive layer 11 is evenly distributed with several lower convex portion 15.
The thickness of above-mentioned micropore adhesive layer 11 is 55 ~ 60cm; The thickness of above-mentioned polyester film 10 is 188 μm.
First, second bending part 12,13 above-mentioned and substrate 1 angle are 26 °; The lower surface roughness of above-mentioned polyester film 10 is the surface of 2.0 ~ 2.6 μm.
Adopt above-mentioned portable when exempting from erasable word film, its structure is simple, and reasonable in design, production cost is low, be convenient to installation and removal, easy scouring, outward appearance is beautiful, and fastness is good, automatically the word that writer writes on clipboard can be carried out auto-erasing, effectively improve writer's surrounding environment, and both greatly reduce use cost, also reduce pollution; Secondly, its polyester film two ends are respectively arranged with first, second bending part, and described litter is positioned at below polyester film or first, second bending part, and time easy to use, polyester film is peeled off by operator fast, improve efficiency of erasing; Again, the upper surface of its polyester film and micropore adhesive layer is evenly distributed with several lug bosses, thus form at this upper surface the surface that roughness is 1.0 μm ~ 3.0 μm, both also can improve the sense of touch that the pad pasting that writes is write, also greatly improve viewing board angular field of view and definition.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (5)
1. portablely exempt from erasable word film for one kind, it is characterized in that: comprise the substrate (1) with black upper surface, write pad pasting (2), upper side frame (3) and lower frame (4), on the upper surface that described upper side frame (3) and lower frame (4) are installed on substrate (1) respectively and lower surface, this upper side frame and lower frame side is in opposite directions respectively arranged with upper hopper chute (5), gliding groove (6), this upper hopper chute (5), top sheave (7) is embedded with respectively in gliding groove (6), lower sheave (8), one litter (9) one end is arranged on top sheave (7), this litter (9) other end is arranged on lower sheave (8), the described pad pasting that writes (2) by polyester film (10) and be coated on polyester film (10) surface micropore adhesive layer (11) form, micropore adhesive layer (11) is positioned at polyester film (10) and substrate (1) surface in opposite directions, described polyester film (10) two ends are respectively arranged with first, second bending part, described litter (9) is positioned at polyester film (10) or first, second bending part (12, 13) below, the opposing upper surface of described polyester film (10) and micropore adhesive layer (11) is evenly distributed with several upper projecting portion (14), the lower surface that described polyester film (10) contacts with micropore adhesive layer (11) is evenly distributed with several lower convex portion (15).
2. according to claim 1ly portablely exempt from erasable word film, it is characterized in that: the thickness of described micropore adhesive layer (11) is 20 μm ~ 60 μm, and pore density is 1000 ~ 3000/cubic centimetre.
3. according to claim 1ly portablely exempt from erasable word film, it is characterized in that: the thickness of described polyester film (10) is 75 μm ~ 200 μm.
4. according to claim 1ly portablely exempt from erasable word film, it is characterized in that: first, second bending part described (12,13) and substrate (1) angle are 10 ° ~ 30 °.
5. according to claim 1ly portablely exempt from erasable word film, it is characterized in that: the lower surface roughness of described polyester film (10) is the surface of 1.0 μm ~ 3.0 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635046.6U CN204236068U (en) | 2014-10-29 | 2014-10-29 | Portablely exempt from erasable word film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420635046.6U CN204236068U (en) | 2014-10-29 | 2014-10-29 | Portablely exempt from erasable word film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204236068U true CN204236068U (en) | 2015-04-01 |
Family
ID=52765615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420635046.6U Active CN204236068U (en) | 2014-10-29 | 2014-10-29 | Portablely exempt from erasable word film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204236068U (en) |
-
2014
- 2014-10-29 CN CN201420635046.6U patent/CN204236068U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |