JPH042308Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The door panel according to the invention is applicable to hinged and sliding types of door panels for entrances and exits to various use rooms, and mobile and built-in storage of goods. However, if necessary, it can also be used for fixed features.

[Conventional technology]

In order to prevent the occurrence of warping due to shrinkage and expansion caused by drying and moisture, it is known that laminated wood, laminated wood, and composite structures are constructed by considering combinations of different materials, combinations of changes in fiber direction, etc. To the best of the applicant's company's knowledge, no invention has yet been proposed that is made entirely of the same material.

[Problem that the invention attempts to solve]

The above-mentioned conventional technology inevitably leads to high costs, and especially when the front and back sides are made of a single plate in a long length such as an entrance/exit door, the cost increases and warpage occurs in the length direction and the fiber direction. It was difficult to prevent.

[Means and actions for solving problems]

The present invention involves drilling recesses near the top and bottom on the left and right sides of the back main body, as well as drilling a steel wire fitting groove that connects both recesses, and fitting the steel wire into both fitting grooves.
Furthermore, a desired tensioning means using screws and nuts is provided to fix the longitudinal center portion of the steel wire to the back main body and to tension the top and bottom of the steel wire. A force for correcting warpage is generated through tension, thereby preventing the occurrence of warpage.

〔Example〕

Figure 1 is a front view of an example, Figure 2 is a back view of the same as above, Figure 3 is a configuration diagram of the main parts on the verge of completion, Figure 4
Figures 1 and 5 are explanatory drawings, and show 1 the front main body, 2 the back main body, 3 left and right peripheral plates, 4 upper and lower peripheral plates, and 11 a shutter-like part that gives the front surface a profound beauty.

In the drawings, especially in FIG. 3, 21 indicates the back main body 2.
5 is a steel wire, 22 is a groove for fitting the steel wire, and screws 51 are carved at both ends of the steel wire 5. The screw 51 protrudes to the opposite sides of the upper and lower concave portions 21 and is fitted into the steel wire fitting groove 22, and the longitudinal center portion of the steel wire 5 is inserted into the back main body 2.
is fixed to. In the illustrated example, a screw 6 is used as the fixing means, but other means,
For example, it may be fixed with adhesive.

7 is a washer fitted to the inner wall of the concave portion 21, and 8 is a nut. The nut 8 is screwed onto the screw 51 via the washer 7, and both ends of the steel wire 5 are tightened by tightening the nut 8. is being stretched.

In FIG. 2, reference numeral 23 indicates a portion where the concave portion 21 has been filled in by a desired means (for example, by fitting and fixing the disc), and 24 indicates a finger rest plate fitted into the concave portion 21. Although not shown, the steel wire fitting groove 22 is also closed by appropriate means.

Next, the effect will be explained with reference to FIGS. 4 and 5. In the figures, 1 is the front main body, 2 is the back main body,
5 is a steel wire, 6 is a screw, and 8 is a nut. In Fig. 5, a is action, s is tension, t is tension, w is warp, wa is reaction, wp is warping force, and wpr is warp correction force. By pulling both ends of the steel wire 5 as described above, a warp correction force wpr against the warp force wp is generated via the tension tt, and the action a
In combination with the reaction wa, the occurrence of warpage w is prevented.

One embodiment of the present invention has been described above, but
The present invention is not limited to this, and the design can be modified as appropriate within the scope of the gist and configuration. For example, () the steel wire fitting groove 22 may be provided extending up and down the back main body 2 as shown in FIG. 3. Instead, it may be kept within the range connecting the concave portions 21 and 21.

() A plurality of steel wires 5 may be used in each of the fitting grooves 22.

() If necessary, the steel wire 5 may also be used in the center of the main body in the left and right direction.

Since the present invention is constructed as described above, it is possible to achieve the intended purpose well as described above, and it can be made at low cost and has a long service life.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a front view, FIG. 2 is a back view of the same, FIG. 3 is a configuration diagram of the main parts on the verge of completion, and FIGS. 4 and 5 are explanatory views. It is. 2...Back body, 21...Concave portion, 22...Steel wire fitting groove, 5...Steel wire, 51...Screw, 7...
Nut, s...Tension, t...Tension, w...Warp, wp...Warp force, wpr...Warp correction force.

Claims (1)

[Scope of utility model registration request] Drill recesses near the top and bottom on the left and right sides of the back body, and also drill a steel wire fitting groove to connect both recesses, fit the steel wire into both fitting grooves, and then insert the steel wire in the longitudinal direction of the steel wire. A door panel made of a wood board, characterized in that the central part of the door panel is fixed to the back main body, and a desired tensioning means using screws and nuts is applied for pulling the top and bottom of the steel wire.