JP2505213Y2 - Door warp correction device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warp correction device applied to a door, such as a wooden door, which tends to warp over time.

[0002]

2. Description of the Related Art Conventionally, doors made of plywood, particles, plastics, etc., have various problems such as warpage, which prevents smooth opening and closing of the doors, and prevents the doors from being locked. It was happening. Therefore, in order to eliminate such an inconvenience, the actual public Sho 64-64-6248
As disclosed in Japanese Laid-Open Patent Publication No. 1-145407 and Japanese Utility Model Laid-Open No. 1-145407, there has been devised a device that corrects a warp by digging a groove in one surface of a door and attaching a straightening device.

[0003]

However, in such a straightening device, a part thereof is exposed on the surface of the door,
Since there is a step on the surface of the door, there are drawbacks such as being caught by things around the place where it is used, and the appearance is bad, so there is a problem in using it in a place exposed to the public.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a novel door warp correction device that overcomes the drawbacks of the conventional device.

[0005]

For the above-mentioned purpose, a door warp correction device of the present invention is formed along one side of a frame which constitutes a door having a decorative plate on its surface and is formed along one longitudinal side. Is incorporated in a housing groove communicating with a tool insertion hole opened on the end surface of the door frame.

An operating nut or shaft having a tool operating portion arranged on the side facing the tool insertion hole is screwed to a shaft or a fixed nut on the opposite side of the operating nut or shaft, and the operating nut or shaft having the tool operating portion is connected. Is rotatably held only by the first holding means embedded and fixed in the frame, and the other shaft or fixing nut screwed together is prevented from rotating by the second holding means embedded and fixed in the frame. It is characterized in that a shaft retainer that locks the shaft and prevents the shaft from bending is embedded and fixed between the first and second holding means in the frame of the door.

[0007]

[Operation] When a tool such as a hexagonal wrench is inserted into the tool insertion hole opened at the end of the door frame and the tool operating section is rotated,
The space between the first holding means and the second holding means, which are screw-connected via the operating nut and the shaft or the shaft and the fixing nut, expands and contracts. 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]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below 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 frame 2 of the door 1 is provided with a housing groove 4 for housing 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 opening 5.

A door warp correction 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 the shaft holder 10 is held on the lower end side of the housing groove 4.
Is connected to the shaft 7 supported by the screw connection.

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 operating portion 1 for rotating the operation nut 14 on the upper end side with a tool such as a hexagon wrench.
5 is provided, and a female screw portion 16 is provided at 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. In the circumferential groove 17, the nut holder 18 embedded in the accommodation groove 4 is provided.
The U-shaped notch of the operation nut holding piece 19 held at the position is engaged.

The operation nut 14 includes an operation nut holding piece 1
An operation nut holding piece accommodating groove 21 for accommodating 9 and an operation nut insertion hole 20 for penetrating the operation nut 14 are provided. It is embedded and fixed inside. The operation nut 14 can be made of, for example, a synthetic resin such as vinyl chloride, and can be fixed by forming a step portion around the periphery to increase friction and prevent slipping out, but may be screwed to the vertical frame 2 if necessary. . The operation nut 14 includes a nut holder 18 and an operation nut holding piece 1 held by the nut holder 18.
It is rotatably supported with respect to the vertical frame 2 via a first holding means constituted by 9.

On the other hand, the female screw portion 16 of the operation nut 14 has a male screw portion 8 formed near the upper end of the shaft 7.
Are screwed together. The shaft 7 is disposed in the accommodation 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 a shaft holding piece housing groove 12 for housing the shaft holding piece 11 and a shaft housing groove 13 for receiving the shaft 7 are formed. Has been done. The shaft holder 10 and the shaft holding piece 11 constitute second holding means.

A shaft retainer 22 is attached to the accommodation groove 4 at a position corresponding to the 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. A 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 opened tool insertion opening 5 of the accommodation 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 coupling portion with the screw portion 8 expands and contracts the gap between the shaft holder 7 and the nut holder 18 which holds the operation nut 14 and the shaft 7, respectively, and the warp of the door is corrected.

At this time, the nut holder 18 and the shaft 7
When the operation nut 14 is rotated in a direction in which the distance between the shaft 7 and the shaft is separated, a force for bending the shaft 7 laterally acts, but the shaft 7 is not bent by being pressed by the periphery of the housing groove 4 and the shaft presser 22. Absent.

Next, FIG. 4 shows a second embodiment of the present invention. In this embodiment, the tool operating portion 26 is provided on the shaft 24, and the door 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 a tool such as a hexagon wrench is provided on the top portion thereof. A circumferential groove 27 is provided on the upper peripheral surface of the shaft 24, and a male screw portion 25 is formed below.

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 has a shaft holding piece accommodating groove 30 for holding the shaft holding piece 29 and the shaft 2.
A shaft receiving groove 39 for receiving 4 is formed, and the shaft holder 28 and the shaft holding piece 29 form a first holding means.

The female screw portion 33 of the fixing nut 32 is screwed into the male screw portion 25 below the shaft 24. Fixing nut 3
A non-circular engagement portion 34 is formed on the outer surface of 2, 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 is formed with a fixed nut holding piece accommodating groove 38 and a fixed nut accommodating groove 37, and is 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 disc-shaped and is fixed to the vertical frame 2 with fixing screws 41, and a plurality of shaft retainers 40 are arranged along the accommodating groove 4. Like the shaft retainer 22, 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 addition to the structure of the shaft retainers 22 and 40 used in the first and second embodiments of the present invention, FIG.
The shaft retainer 42 shown in can be used. This is made of an elastic material such as a 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. .

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 rotatably holding the operation nut or the shaft on the side having the tool operating portion, and the second holding means locks the shaft or the fixed nut screw-coupled so as not to rotate. Other forms may be used as long as they have a function of retaining and can be embedded and fixed in the door frame. Further, in the above example,
Although a round rod-shaped shaft is used, the shaft may have a non-circular cross section, for example, a square cross section.

In the above embodiment, the door warp correction device is incorporated in the vertical frame of the door which is prone to warp, but it may be incorporated in a horizontal frame depending on the shape of the door.
Also, in these examples, one of the vertical frames is used,
It is even more effective if used for both vertical frames. In addition, in the embodiment, an example in which it is incorporated into a wooden door is shown, but the invention is not limited to this, and it is also applicable to plastic and particles that are likely to be warped such as particles, and is not limited to the door shown in the embodiment. It can also be used for sliding doors.

[0024]

EFFECTS OF THE INVENTION According to the present invention, the door warp correction 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 to thereby surround the door. There is no risk that the accessory of the device will get caught in
There is no risk of damaging people around the door.

Further, since the warp correction device can be completely housed inside the vertical frame of the door or the like, a free decorative veneer can be put on the entire door surface without impairing the aesthetic appearance of the door. Moreover, since the adjustment of the warp is done by inserting a tool such as a hexagon wrench into the opening of the end surface of the door that is usually hard to see, it is possible to prevent the adjustment position from being accidentally touched and touched. .

[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 part 16, 33 Female thread part 17, 27 Circumferential groove 18, 35 Nut holder 19 Operation nut holding piece 20 Operation nut insertion hole 21, Operation nut holding Piece accommodation groove 22, 40, 42 Shaft holder 23, 41 Fixing screw 32 Fixing nut 37 Fixing nut accommodation groove 38 Fixed nut holding piece accommodation groove 39 Shaft insertion hole

Claims (2)

(57) [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 the female screw portion of the operation nut at one end and an engaging portion near the other end, and the operation nut fixedly embedded 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 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 warp correction device for a door built in a groove, wherein a tool operating portion is formed on the end surface facing the tool insertion hole, and a shaft having a male screw portion near the opposite end surface, and a shaft. 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 holding means, the second holding 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 second holding means which is embedded between the first and second holding 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.