JP3476340B2 - Writing device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a writing device such as a simple whiteboard, a blackboard, and a magnetic writing plate which has a writing tool and can be carried.

[0002]

2. Description of the Related Art In a conventional simple white board or the like that can be carried, a peripheral surface of a writable surface plate or the like is clamped and fixed by an edge member such as a frame. Since it was done with screws and adhesives, if the surface plate was dirty, it could not be replaced and the entire writing plate had to be disposed of. In particular, when using a corner edge member for corner protection, it will be fixed with an adhesive, the surface plate cannot be replaced, and the assembling property will be further deteriorated. Was also awake. Furthermore, when a core material such as a damper is put on the back of the face plate for reinforcement, the damper may expand and deform due to the influence of humidity, etc., or a gap may occur between the edge member and the core material due to dimensional errors during assembly. Therefore, the edge member such as the resin frame may be deformed.

[0003]

SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, that is, even a simple writing device that can be carried around can be easily assembled without using an adhesive. When the surface plate becomes dirty, it is possible to replace only the surface plate, and a writing device that does not deform the edge member such as the resin frame due to expansion deformation due to humidity even when using the core material such as dumbbells is used. To that end.

[0004]

SUMMARY OF THE INVENTION The present invention provides a writing device comprising a writable surface plate, a writable surface plate, a core material, an edge member having a U-shaped cross section with a bottom piece and both side pieces, and a tip. Fold toward
At least a receiving member in which a hook-shaped L-shaped locking piece is provided on one side surface having a dish-shaped cross section and a writing instrument are provided, and the core material has elasticity.
The edge member is a long continuous material in which a ridge is projected inward on the bottom piece and both sides are recessed, and a step is provided on one side piece of the recess, and the surface plate and the core material are overlapped. , and inserts the periphery in the opening of the edge member, respectively the end faces of the surface plates the end surface of the core alloy ridges on the step while in contact with the surface plate and core to fixedly hold both side pieces of the edge member, said edge Step side of the member
A concave part in the longitudinal direction is formed on the tip of the one piece and the engaging piece of the receiving member.
Providing convex and concave parts in which convexes are alternately continuous in the orthogonal direction
The locking member of the receiving member is inserted between the surface plate and one of the measuring members of the edge member against elasticity, and the concave and convex portions of both are engaged with each other to fix the receiving member. did.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The writing device of the present invention has the above-mentioned construction and is designed to clamp the end faces of the face plate and the core material against the step and the ridge of the edge member while sandwiching and fixing them with the edge member. It can be assembled and can be positioned reliably. Also,
Even if the core material such as dumbbells expands or deforms due to the influence of humidity, etc., or if there is a gap between the edge member and the core material due to dimensional errors during assembly, etc., the expanded amount will enter the recesses on both sides of the protrusion of the edge member. Since the display plate is positioned by the step, the edge member such as the resin frame is not deformed. Further, if the engaging piece of the receiving member such as a writing instrument or an eraser and the edge member for receiving the engaging member are provided with the concave and convex portions, respectively, and engage with each other, the receiving member can be surely attached and detached without fear of falling off, and there is a ridge. Therefore, it does not lose elasticity even after repeated use.

As the writing board of the present invention, a white board such as an enameled board, a painted board, and a magnet sheet is widely used, but a blackboard, a magnetic writing board and the like can also be used. As the core material, a cardboard, a veneer plate, a foamed resin, a resin plate or the like can be used, but if the core material is made of an elastic material, the assembling property becomes more effective. The back plate is not always necessary, but ball paper, corrugated balls, writing boards, etc. may be used as the back plate to enhance the decorative property.

A resin molded product is generally used for the edge member, but when the core material absorbs moisture and expands, the volume of the recess must be sufficient to absorb the expanded amount, and therefore the width of the recess is projected. It is necessary that the width of the top surface of the strip is 1.5 times or more and the depth is 1 mm or more. If possible, the width is twice or more and the depth is preferably 1.5 mm or more. The concavo-convex portion may be provided on any one surface or both surfaces so as to be meshed with the front end portion of one side of the edge member and the engaging groove of the receiving member. A sheet-shaped magnet may be attached to the edge member so as to be attracted to an iron cabinet, a large whiteboard, a refrigerator or the like.

Further, in the present invention, both the end portions of the frame edge member and at least the four corner portions of the surface plate are opposed to each other and are fitted to each other so as to be integrated with each other. -Inserted between the corner edge members and fitting pins facing each other on both corner edge members and holes having a flat ground portion on the inner peripheral surface, the frame edge member and the surface plate of each set If it is clamped and fixed by the corner edge member, its assemblability and positioning become simpler and more stable.

If a flat portion is provided in the fitting hole, the fitting becomes stronger and more reliable, and the fitting force can be controlled by adjusting the dimensions of the flat portion. For example, if you want to fix it semipermanently, you should make the gap between the flat parts narrower to increase the fitting force, and if you want to remove it, you should make the gap between the flat parts larger to slightly weaken the fitting force. If you prepare several types, you can choose the one with the desired mating force. Further, if the pin is made longer, thicker or the number is increased, a more stable fitting force can be obtained.
If a thicker one is provided in the central portion of the corner edge member and a thinner one is provided in the peripheral portion of the corner edge member, double fitting results in more stable fitting.

[0010]

Embodiments of the present invention will now be described with reference to the drawings.
1 is a front view, FIG. 2 is an enlarged view of a corner portion, FIG. 3 is a sectional view taken along the line BB of FIG. 2, and FIG. 4 is an enlarged sectional view taken along the line AA of FIG. The writing device 1 includes a writing board 2 and a white box which is a writing tool.
The writing board 2 is made of a marker-3, and the writing board 2 is a whiteboard surface board 4 which can be written by the marker-3, a core material 5 of a corrugated ball, a back board 6 of a ball paper, and a lateral edge member. 7, a vertical edge member 8, corner edge members 9 and 10, and a receiving member 11. Surface plate 4
Is a white board that is white-painted on a square iron plate having holes and R portions at four corners. The core material 5 and the back plate 6 have holes of approximately the same diameter at four corners as the surface plate 4, and the surface plate The vertical and horizontal lengths are slightly shorter than 4.

The vertical and horizontal edge members 7 and 8 are made of a resin-molded long member having a substantially U-shaped cross section with a bottom piece and both side pieces as shown in FIG. 4, and the bottom piece has a height of 1.6 mm and an upper surface width of 0 mm. A .8 mm ridge 12 is provided so as to project upward, and recesses 13, 13 having an upper width of 1.9 mm are formed on both sides of the ridge 12. Further, one side piece is provided with a step 14 having a wide upper side, and further, the inner surface of the tip end of the side piece above the step 14 is formed into a large R-shaped inclined portion, in which longitudinal irregularities are alternately arranged in the orthogonal direction. The uneven portion 15 is continuously formed.

The two corner edge members 9 and 10 are provided with holding portions 16 and 16 ', respectively, into which the edge members 7 and 8 can be inserted in a circular upper and rightward direction as shown in FIG. Cylindrical parts 17 and 17 'which are fitted to each other are provided so as to face each other so as to be inserted into the holes of the cylindrical part 17 of the first corner edge member 9, and they are fitted to each other on the circular peripheral edge part. The pins 18 and 18 'and the holes 19 and 19'
The pin 18 of the corner edge member 9 and the hole 19 'of the second corner edge member 9
Of the second corner edge member 10 and the pin 19 'of the second corner edge member 10 and the hole 19 of the first corner edge member 9 on the outside. Also, the second corner edge member 10 is a tubular portion.
A surface plate holding pin 20 is provided on the outside of 17 'so that the display plate 4 is clamped and fixed by the circular back surface of the first corner edge member 9.

The receiving member 11 is a resin molded product having a dish-shaped cross section.
The end of the side piece is folded back outward to form an L-shaped locking piece 21, and an uneven portion 22 that meshes with the uneven portion 15 of the edge members 7 and 8 is provided on the inner surface of the locking piece 21. In the present embodiment, the uneven portions 15 and the uneven portions 22 are provided on one surface that meshes with each other. However, the other surface may mesh with each other or both surfaces may mesh with each other.

In order to assemble the writing plate 2 of this embodiment, the front plate 4, the core member 5 and the back plate 6 are superposed, and the peripheral edges of the four sides are inserted into the openings of the vertical and horizontal edge members 7 and 8. While contacting the end face of the surface plate 4 with the step 14 and the end face of the core material 5 with the upper surface of the ridge 12, respectively, the four corners of the surface plate 4, the core material 5, and the back plate 6 and the vertical and horizontal edge members 7, Both ends of 8 are inserted between four sets of first and second corner edge members 9 and 10, respectively, and opposed cylindrical portions 17 and 17 ', pins 18 and holes 19', holes 19 and pins. 1
Mate each 8 '.

As a result, both ends of the edge members 7 and 8 have both ends.
It is strongly clamped and fixed to the holding portions 16 and 16 'of the edge members 9 and 10, and the front plate 4, the core material 5 and the back plate 6 are also simultaneously clamped and fixed, and the front plate 4 is positioned and stepped by the step 14. The writing plate 2 is assembled by being securely fixed by the holding by the face plate holding pin 20. Further, the locking piece 21 of the receiving member 11 is inserted into a desired position between the surface plate 4 and the edge members 7 and 8 against elasticity, and the concave and convex portions 15 and 22 are engaged with each other to attach the receiving member 11. Here, since the receiving member 11 moves along the longitudinal direction of the edge members 7 and 8, but does not move in the orthogonal direction, it does not fall off.

The thus constructed Example and the conventional writing board were placed in an atmosphere of a temperature of 40 ° C. and a humidity of 80% for 7 days. As a result, in both cases, the core material expanded and deformed to the peripheral portion, but in the present embodiment, the ridge of the edge member bites into the core material, and the expanded part of the end portion of the core material enters into the concave portion, and the deformation of the edge member is slight. Therefore, it could be used as a writing board. However, the conventional one cannot be used as a writing plate because the expanded portion of the end portion of the core material largely deforms the edge member.

[0017]

According to the present invention, with the above structure, even a simple writing device that can be carried around can be easily assembled without using an adhesive, and when the surface plate is dirty, only the surface plate can be replaced. Even if a core material such as a cardboard is used, the writing device does not deform the edge member such as the resin frame due to expansion deformation due to humidity. Further, the receiving member 11 can be mounted without falling off, and the edge member does not have a set even when repeatedly attached and detached. Furthermore, there is an advantage that a desired pin fitting force can be obtained by preparing several kinds of flat part gaps for the pin fitting holes.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is an enlarged front view of a corner portion of the embodiment.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is an enlarged cross-sectional view taken along the line AA of FIG.

[Explanation of symbols]

2 Writing board 3 Writing instruments 4 surface plate 5 heartwood 6 Back plate 7,8 Edge member 9,10 Corner edge member 11 Receiving member 12 ridges 13 recess 14 steps 15 and 22 uneven parts 17,17 'Cylindrical part 18,18 'pin 19,19 'hole 21 Locking piece

Claims (3)

(57) [Claims] 1. A writable surface plate, a core material, an edge member having a U-shaped cross section composed of a bottom piece and both side pieces, and a front end folded back L.
At least a receiving member having a plate-shaped locking piece provided on one side surface having a dish-shaped cross section , and a core material having elasticity
Therefore , the edge member is a long continuous material in which a ridge is projected inwardly on the bottom piece and concave portions are formed on both sides thereof, and a step is provided on one side piece of the concave portion, and the surface plate and the core material are superposed on each other. The peripheral portion is inserted into the opening of the edge member, the end face of the surface plate is made a step and the end face of the core member is abutted against the ridge, respectively, and the side plate and the core member are sandwiched and fixed by both side pieces of the edge member. Step side side tip
Make sure that there is no unevenness in the longitudinal direction on the end and the locking piece of the receiving member.
Providing concave and convex portions that are alternately continuous in the orthogonal direction, the locking piece of the receiving member is inserted between the surface plate and one of the measuring pieces of the edge member against elasticity, and both convex and concave portions are engaged with each other to receive the receiving member. Writing device, characterized in that it is formed by fixing. 2. A full les - both ends of the arm edge member to at least the surface
A first core in which the corners of the plate are opposed to each other and are fitted together.
Insert between the edge member and the second corner edge member,
-Inside at least one opposite pin provided on the edge member
By fitting a hole with a flat area on the peripheral surface,
-Clamping the edge member and surface plate between both corner edge members
The writing apparatus according to claim 1, wherein: 3. The holes and pins are provided on both corner edge members.
The contract is characterized by being provided in the central part and the peripheral part respectively.
The writing device according to claim 2.