JPH0687590U - Door warp correction device - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] To provide a door warp correction device in which metal fittings are not exposed on the surface of the door. [Structure] In a housing groove 4 formed along a longitudinal direction on one side of a frame that constitutes a door 1 having a decorative plate 3 stretched on its surface, from a tool insertion hole 5 opened on an end face of the frame of the door. An operation nut 14 having an operable tool operation unit and a warp correction device 6 using a shaft screwed to the operation nut 14 are arranged, and a hexagon wrench or the like is inserted from a tool insertion hole to rotate the operation nut to correct the door warp. I do.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a warp correction device applied to a door such as a wooden door that is likely to warp over time.

[0002]

[Prior art]

 In the past, doors made of plywood, particles, plastics, etc., had various problems such as warpage that could not be opened and closed smoothly, and the door could not be keyed. Therefore, in order to eliminate such an inconvenience, as shown in Japanese Utility Model Publication No. SHO-6248 and Japanese Utility Model Publication No. 1-145407, a correction device is attached by digging a groove on one surface of the door. Have been devised to correct the warp.

[0003]

[Problems to be Solved by the Invention]

 However, since a part of such a straightening device is exposed on the surface of the door and there is a step on the surface of the door, there is a defect such as being caught in the surroundings of the place where it is used, and in terms of appearance. There was a problem in using it in a place where it could be seen by the public because it was not well-formed.

An object of the present invention is to provide a novel door warp correction device that solves the above-mentioned drawbacks of the conventional device.

[0005]

[Means for Solving the Problems]

 For the above-mentioned purpose, the door warpage correction device of the present invention is formed along the longitudinal direction of one side of a frame constituting a door having a decorative plate on the surface, and one end is opened to the end face of the door frame. It is configured to be built in the housing groove that communicates with the tool insertion hole.

Then, an operation nut having a tool operating portion arranged on the side facing the tool insertion hole, or a shaft or a fixed nut is screwed to the opposite side to the shaft, and an operation having a tool operating portion is performed. A nut or a shaft is rotatably held by a first holding means embedded and fixed in the frame, and the other shaft or a fixing nut screw-coupled is secondly fixed and embedded in the frame. It is characterized in that it is locked to the means so as not to rotate, and that a shaft retainer for preventing the shaft from bending is embedded and fixed between the first and second holding means in the frame of the door.

[0007]

[Action]

 Insert a tool such as a hexagon wrench into the tool insertion hole that is open at the end of the door frame, and rotate the tool operation part.The operation nut and shaft or the shaft and fixing nut will be screwed together. The space between the first holding means and the second holding means is expanded and contracted. Since both the first holding means and the second holding means are embedded and fixed in the frame of the door, the warp of the frame is corrected, and the warp of the door is corrected accordingly.

[0008]

【Example】

 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows an example in which the door warp straightening device of the present invention is applied to a wooden door, and a vertical groove 2 of the door 1 has a vertical groove 2 for receiving the straightening device of the present invention. 2 is provided on one side, and one end surface (upper end surface in the embodiment of FIG. 1) of the vertical frame 2 is opened to open the tool insertion port 5.

A door warp straightening device 6 of the present invention is built in the housing groove 4, and the housing groove 4 is covered with a decorative plate 3 as shown in the sectional view of FIG. An operation nut 14 is held by a nut holder 18 on the open end side above the housing groove 4, and is connected to the shaft 7 supported by the shaft holder 10 on the lower end side of the housing groove 4 by screw coupling. .

FIG. 3 shows a detailed exploded view of the straightening device of the present invention. The operation nut 14 has a cylindrical shape, and a tool operation portion 15 for rotationally operating with a tool such as a hexagon wrench is provided on the upper end side, and a female screw portion 16 is provided on the lower end side. The tool operating unit 15 may be in a form suitable for a box spanner, a screwdriver, etc. other than the hexagon wrench. A circumferential groove 17 is formed on the peripheral surface of the operation nut 14. A U-shaped notch of an operation nut holding piece 19 held by a nut holder 18 embedded in the housing groove 4 engages with the circumferential groove 17.

The operation nut 14 is provided with an operation nut holding piece accommodating groove 21 for accommodating the operation nut holding piece 19 and an operation nut insertion hole 20 for penetrating the operation nut 14. A part of the groove 4 is cut and enlarged to be embedded and fixed in the vertical frame 2. The operation nut 14 can be made of a synthetic resin such as vinyl chloride, and can be fixed by forming a step portion around the periphery to increase friction and prevent it from coming off, but it may be screwed to the vertical frame 2 if necessary. . The operation nut 14 is rotatably supported with respect to the vertical frame 2 via a first holding means composed of a nut holder 18 and an operation nut holding piece 19 held by the nut holder 18.

On the other hand, the male screw portion 8 formed near the upper end of the shaft 7 is screwed into the female screw portion 16 of the operation nut 14. The shaft 7 is arranged in the housing groove 4 of the vertical frame 2 in the longitudinal direction, and an engaging portion 9 is formed near the lower end thereof. Similar to the nut holder 18, the engaging portion 9 engages with the notch of the shaft holding piece 11 held by the shaft holder 10 embedded in the housing groove 4. Unlike the circumferential groove 17 provided in the operation nut 14, the engaging portion 9 is formed in a non-circular shape, for example, a square shape, and does not rotate with respect to the shaft holding piece 11.

The shaft holder 10 has a structure similar to that of the nut holder 18 described above, and includes a shaft holding piece housing groove 12 for housing the shaft holding piece 11 and a shaft housing groove 13 for housing the shaft 7. Are formed. The shaft holder 10 and the shaft holding piece 11 constitute second holding means.

Further, a shaft retainer 22 is attached to a position of the accommodation groove 4 corresponding to an intermediate portion of the shaft 7. The shaft retainer 22 is provided to prevent the slender shaft 7 from buckling due to a compressive load applied thereto. The shaft retainer 22 is fitted into the accommodation groove 4 on one side of a flat plate shape and holds the shaft 7 at a shaft receiving portion 22a. Is formed and is fixed around the accommodation groove 4 of the vertical frame 2 by the fixing screw 23. The portion of the vertical frame 2 where the flat plate-shaped portion of the shaft retainer 22 is placed is dug down by the thickness thereof so that the shaft retainer 22 does not protrude from the surface of the vertical frame 2.

When operating the door warp straightening device of the present invention constructed as described above, a hexagon wrench is inserted from the tool insertion opening 5 of the housing groove 4 at the upper end of the vertical frame 2 of the door. The operation nut 14 is engaged with the tool operating portion 15 to rotate the operation nut 14 in one direction. On the other hand, the shaft 7 screwed to the operation nut 14 is held by the engaging portion 9 so as not to rotate with respect to the shaft holding piece 11, so that the female screw portion 16 of the operation nut 14 and the male portion of the shaft 7 are held. The movement of the screw connecting portion with the screw portion 8 expands and contracts the distance between the nut holder 18 holding the operation nut 14 and the shaft 7 and the shaft 7, thereby correcting the warp of the door. .

At this time, when the operation nut 14 is rotated in a direction in which the distance between the nut holder 18 and the shaft 7 is increased, a force for bending the shaft 7 laterally acts, but the surroundings of the housing groove 4 and the shaft pressing member are pressed. The shaft 7 is not bent by being pressed by 22.

Next, FIG. 4 shows a second embodiment of the present invention. In this embodiment, the shaft 24 is provided with the tool operating portion 26, and is applied to the door by the same configuration as that of the first embodiment except that the shaft 24 is rotated to correct the door. . As shown in the figure, in this embodiment, the upper portion of the shaft 24 is formed in a cylindrical shape, and a tool operating portion 26 for engaging with a tool such as a hexagon wrench is provided at the top thereof. A circumferential groove 27 is provided on the upper peripheral surface of the shaft 24, and a male screw portion 25 is formed on the lower side.

The shaft 24 is housed in the vertical frame 2 of the door as in the first embodiment, and is held by the shaft holder 28 embedded in the vertical frame 2 at the position of the circumferential groove 27. It is rotatably engaged with the U-shaped notch of the piece 29. The shaft holder 28 is formed with a shaft holding piece housing groove 30 for holding the shaft holding piece 29 and a shaft housing groove 39 for receiving the shaft 24. 1 holding means is configured.

The female screw portion 33 of the fixing nut 32 is screwed into the male screw portion 25 below the shaft 24. A non-circular engagement portion 34 is formed on the outer surface of the fixed nut 32, and is engaged with a notch of a fixed nut holding piece 36 held by a nut holder 35 and locked so as not to rotate. The nut holder 35 has a fixed nut holding piece accommodating groove 38 and a fixed nut accommodating groove 37, which are embedded and fixed in the vertical frame 2. The nut holder 35 and the fixed nut holding piece 36 constitute second holding means.

In this embodiment, the shaft retainer 40 is a disc-shaped member and is fixed to the vertical frame 2 by a fixing screw 41, and a plurality of shaft retainers 40 are arranged along the housing groove 4. Similar to the shaft retainer 22 of the embodiment, the lower surface of the mounting portion of the shaft retainer 40 of the vertical frame 2 is dug down by the thickness of the shaft retainer 40 so that the shaft retainer 40 does not project to the surface of the vertical frame 2.

In the present invention, in addition to the structure of the shaft retainers 22 and 40 used in the first and second embodiments, the shaft retainer 42 shown in FIG. 5 can be used. This is made of an elastic material such as synthetic resin and has a U-shaped cross section that matches the width of the housing groove 4. The U-shaped opening is fitted and fixed so as to face the housing groove 4. .

Also, the first holding means and the second holding means used in the present invention are not limited to the configurations described in the first and second embodiments, and the first holding means is , Has a function of holding the operation nut or the shaft on the side having the tool operating part only in a rotatable manner, and the second holding means holds the screw-connected shaft or the fixed nut so as not to rotate. Other forms may be used as long as they have a function of stopping and can be embedded and fixed in the door frame. Further, in the above-mentioned embodiments, a rod-shaped shaft is used, but the shaft may have a non-circular cross section, for example, a rectangular cross section.

In the above embodiments, the door warp correction device is incorporated into the vertical frame of the door that is prone to warp, but it may be incorporated into a horizontal frame depending on the shape of the door. Further, in these embodiments, one of the vertical frames is used, but it is more effective if it is used for both vertical frames. Further, in the embodiment, an example in which it is incorporated into a wooden door is shown, but the present invention is not limited to this, and it is also applicable to plastics, particles, and other objects that are prone to warp, and is not limited to the door shown in the embodiment. It can also be used as a sliding door.

[0024]

EFFECTS OF THE INVENTION According to the present invention, the door warp straightening device can be built into the interior of the door by using the vertical frame of the door and the like, and the exposed portion of the mounting metal fittings and the like on the surface of the door is eliminated so that the periphery of the door can be eliminated. There is no danger that the accessory fittings of the equipment will be caught, and there is no fear of damaging things around the door or people.

Further, since the warp correction device can be completely housed inside the vertical frame of the door or the like, a free design decorative plate can be put on the entire door surface, and the aesthetics of the door is not impaired. Moreover, since the warp is adjusted by inserting a tool such as a hexagon wrench into the opening of the end face of the door, which is usually hard to see, it is possible to prevent the adjustment position from being accidentally touched and misaligned. .

[Brief description of drawings]

FIG. 1 is a partial sectional view showing a first embodiment in which the present invention is applied to a wooden door.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an exploded perspective view showing a first embodiment of a door straightening device according to the present invention.

FIG. 4 is an exploded perspective view showing a second embodiment of the door straightening device according to the present invention.

FIG. 5 is a perspective view showing another embodiment of the shaft retainer used in the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 2 Vertical frame 3 Decorative plate 4 Storage groove 5 Tool insertion hole 6 Warp straightening device 7, 24 Shaft 8, 25 Shaft male screw part 9, 34 Engagement part 10, 28 Shaft holder 11, 29 Shaft holding piece 12, 30 Shaft holding piece accommodating groove 13 Shaft accommodating groove 14 Operation nut 15, 26 Tool operating section 16, 33 Female thread section 17, 27 Circular groove 18, 35 Nut holder 19 Operation nut retaining piece 20 Operation nut insertion hole 21, Operation nut retaining Piece housing groove 22, 40, 42 Shaft holder 23, 41 Fixing screw 32 Fixing nut 37 Fixing nut housing groove 38 Fixed nut holding piece housing groove 39 Shaft insertion hole

Claims (2)

[Scope of utility model registration request] 1. A housing which is formed along a longitudinal direction on one side of a frame constituting a door having a decorative plate on its surface and one end of which is communicated with a tool insertion hole opened in an end face of the frame of the door. A door warp correction device built into a groove, in which a tool operating portion is formed on the end surface facing the tool insertion hole, and a female screw portion opening on the opposite end surface is provided. A nut, a shaft having a male screw portion that engages with a female screw portion of the operation nut at one end and an engaging portion near the other end, and an operation nut embedded and fixed in the frame of the door in the accommodation groove. A first holding means that holds only the pivotal movement; a second holding means that is embedded and fixed in the frame of the door to lock the engaging portion of the shaft so as not to rotate; A shaft retainer that is embedded and fixed between the second holding means and prevents the shaft from bending. A door warp correction device characterized by being applied. 2. A housing which is formed along the longitudinal direction of one side of a frame constituting a door having a decorative plate on its surface and one end of which is communicated with a tool insertion hole opened in an end face of the frame of the door. A door warpage correction device built into a groove, in which a tool operating portion is formed on the end face facing the tool insertion hole and a shaft having a male screw portion near the opposite end face, A fixing nut having a female threaded portion to be screwed with the male threaded portion and having an engaging portion on the outer surface; and a first fixedly embedded in the frame of the door to hold the shaft rotatably only in the accommodation groove. The retaining means, the second retaining means which is embedded and fixed in the frame of the door and locks the engaging portion of the fixing nut so as not to rotate, and the retaining means, which is embedded between the first and second retaining means in the frame of the door. The door is characterized in that it is composed of a shaft retainer that is fixed and prevents the shaft from bending. Warp correction device.