JP5662709B2 - Hinge - Google Patents

Description

  The present invention relates to a hinge for attaching a door to a frame so as to be freely opened and closed.

  To attach doors to the frame in a variety of places such as office doors, stores, hotels, apartment houses, detached houses, etc. Hinge is used. This hinge generally has a pair of blade portions attached in close contact with a door or a frame and having a tube portion at one end, and a shaft for rotatably connecting the tube portion. It is attached to the door or frame through bolts and screws through the provided mounting holes. When installing, select a screw with a size and length suitable for the hinge, take out one or one bag, insert it into the mounting hole, and tighten it with a screwdriver. In many cases, screws are dropped during the work, and improvement in workability has been demanded.

  In the screw and bolt market, a plain washer, spring washer, etc. incorporated in the screw or bolt is inserted in advance to prevent the washer from falling off and then attached to the end of the screw to prevent the washer from falling. A washer is known (see, for example, Patent Document 1). In addition, for the assembly of automobile parts, a bolt dropout washer that holds the bolt so that the bolt does not fall until the nut is tightened in a subsequent process after the bolt is attached is also known. Such conventional drop-off prevention washers are used by directly inserting the bolt ends into the nuts or screw holes formed in the parts and tightening the screws, so that the position of the drop-off prevention washers is tightened. It did not move to the point of completion, so there was little concern that the washout washer would fall off the screw or bolt.

  In order to use the washout washer having the above-described configuration as a preset washer in a hinge, a bolt, a screw, etc. (hereinafter simply referred to as a screw) is inserted into the attachment hole provided in the hinge part of the hinge, and the back of the attachment hole If a preset washer is attached to the tip of the protruding screw, it may be possible to prevent the screw from falling off, but this is inconvenient as a hinge. In other words, the preset washer is not known in which position in the axial direction of the screw in consideration of the packing efficiency, but as a procedure for attaching the hinge, the blade part is usually positioned on the door and the frame mounting surface. Therefore, by this operation, the screw is pushed back in the direction in which the tip hits the mounting surface and comes out of the mounting hole. At this time, since the preset washer hits the blade, it moves to the foremost side of the screw. Thus, the preset washer needs not to fall out of the screw when the screw is pushed back. Furthermore, the important thing is that in order to support the load of the door in a stable state with the hinge attached to the door and frame, the hinge blade part and the mounting surface of the door and frame must be in close contact, If a preset washer is simply provided on the screw as in the past, a gap will be created between the blade and the mounting surface by the thickness of the preset washer, the hinge cannot be securely fixed, and the door opening and closing becomes unstable. There is a risk.

Japanese Utility Model Laid-Open No. 7-1324 (Claim 1, FIG. 2)

  A problem to be solved by the present invention is a hinge using a screw having a preset washer for preventing falling off as described above, and the preset washer may fall even if the blade portion is pressed against a mounting surface such as a door during positioning. There is no hinge, and the hinge and the mounting surface are in close contact after the screw tightening, and the hinge is provided so that the door can be held in a stable state.

  According to the present invention, a blade portion having an attachment hole, a screw inserted into the attachment hole from one end side of the attachment hole, and a screw portion protruding to the other end side of the attachment hole are attached to the attachment portion. There is provided a hinge having a preset washer having a diameter larger than that of the hole, and having a dent that extends to the periphery of the mounting hole and accommodates the preset washer in a blade portion that contacts the preset washer, The above problem is solved.

  Further, according to the present invention, the preset washer is formed of a synthetic resin material in a disc shape whose outer peripheral surface is inclined, and has a claw that elastically meshes with the screw on the inside, and the preset washer in the recess The hinge is provided with an inner surface that is inclined according to the inclination of the outer periphery thereof.

  The present invention is configured as described above, and includes a blade portion having a mounting hole, a screw inserted into the mounting hole from one end side of the mounting hole, and a tip portion of a screw projecting to the other end side of the mounting hole. A preset washer having a diameter larger than that of the attachment hole is provided, and a wing portion that contacts the preset washer is provided with a recess that extends around the periphery of the attachment hole and accommodates the preset washer. When fixing to the frame mounting part, even if the hinge blade is pressed against the mounting surface for positioning and the screw is pushed back and the preset washer moves to the tip side of the screw, the preset washer Because it does not enter and escape from the leading edge of the screw, it can be prevented from falling off. Also, as the screw is tightened, the preset washer is housed in the indented part so that it does not protrude from the surface of the wing part, so that the wing part and the mounting surface of the door or frame can be brought into close contact with each other. Can be installed in a stable state.

  Further, when the preset washer is formed in a disc shape having an outer peripheral surface inclined with a synthetic resin material, and the inner surface inclined according to the inclination of the outer periphery of the preset washer is formed in the recess, the preset washer is attached to the mounting hole. It can be stored in a position with the same center axis as the center axis of the screw, and when the blades are aligned with the mounting surface of the door, etc., the screw center does not go wrong and can be screwed in a stable state, and inwardly formed The claw is elastically meshed with the thread, so that the thread is not damaged.

The front view of a hinge which shows one Example of this invention. The side view of the hinge which removed the screw and cut the blade part. A preset washer is shown, (A) is a top view, (B) is a sectional view. The relationship between the preset washer and the screw is shown. (A) is an explanatory view of the state where the screw is lifted from the blade portion, (B) is an explanatory view of the state where the screw is seated on the blade portion, and (C) is a state where the preset washer is Explanatory drawing of the state which entered the dent part. The process of attaching the hinge to the attachment part of the door or the frame is shown, (A) is an explanatory view of the state where the blade part is applied to the attachment surface, (B) is an explanatory view of the state where the screw is started to be screwed, (C) is Explanatory drawing of the state which screwed in enough.

  Although the hinge of this invention can be applied to various hinges, the Example used for the door of joinery is shown by FIG. As is well known, the hinge 1 includes a pair of blade portions 3 having a tube portion 2 at one end and a shaft 4 that rotatably connects the blade portions 3, and is attached to an attachment hole 5 provided in the blade portion 3. The blades 3 are fixed to the mounting surfaces 9 of the door 7 and the frame 8 through screws 6, and the door 7 is held on the frame 8 so as to be freely opened and closed.

  Referring to FIGS. 3 and 4, the screw 6 is inserted from the screw tightening surface 10 extending to one end of the mounting hole 5, and a preset washer is attached to the tip of the screw 6 protruding to the close contact surface 11 side of the other end. 12 is incorporated. The preset washer 12 is formed of a synthetic resin material in a substantially disc shape having a center hole 13, and the outer peripheral surface 16 is inclined so that the inner surface 15 side has a small diameter with respect to the outer surface 14 side. A nail 17 is formed. The claw 17 is elastically provided so that it can slide in the axial direction without damaging the screw thread while contacting the screw thread of the screw 6, and the claw 17 and the inner surface can be slightly deformed in the direction of the outer surface 14 and the inner surface 15. 15 and the outer surface 14 are provided at positions slightly apart, and gaps a and b are formed between the inner surface 15 and the outer surface 14. As shown in FIG. 3, in the embodiment, three claws 17 are formed in a semicircular shape, but the shape, number, size, thickness and the like can be appropriately set.

  On the periphery of the mounting hole 5 on the contact surface 11 side of the blade portion 3, a recess 18 having a size sufficient to accommodate the preset washer 12 and escape the volume of the preset washer 12 is formed. As shown in FIG. 4, the recess 18 has an inner surface 19 inclined according to the outer shape of the preset washer 12, and is formed at a depth deeper than at least the thickness of the preset washer 12. The concave portion 18 having such a shape can be easily formed by scooping in a countersink shape. A countersink 21 for accommodating the head 20 of the screw 6 is formed at one end of the mounting hole 5 on the tightening surface 10 side, and the inner surface is linear between the countersink 21 and the recess 18. A mounting hole 5 appears.

  As described above, the screw 6 is previously inserted into the mounting hole 5 of the blade portion 3 of the hinge 1 of the present invention from the tightening surface 10 side, and the preset washer 12 is provided on the tip side of the screw 6 protruding to the contact surface 11 side. As a result, the screw 6 is prevented from coming off. When mounting, as shown in FIG. 5, the contact surface 11 of the blade portion 3 of the hinge 1 is placed on the door 7 and the mounting surface 9 of the frame 8 and aligned with the screw holes 22 provided in the door 7 and the frame 8. As shown in FIG. 4A, the screw 6 is lifted by the tip of the screw 6 coming into contact with the mounting surface 9, and the preset washer 12 hits the mounting surface 9 and slides the screw thread into the recessed portion 18. Stored. At that time, as shown in the figure, since the gap c exists between the tip of the screw 6 and the contact surface 11, the preset washer 12 does not fall off the screw. Even if this gap c does not exist, the preset washer 12 is engaged with the screw 6 in the recess 18 so that it will not fall out. At this time, if the outer peripheral surface 16 of the preset washer 12 and the inner surface 19 of the recess 18 are inclined as in the embodiment, the center of the screw 6 does not go out of order.

  Therefore, when the screw 6 is screwed in with the screwdriver from the state shown in FIG. 5A, the preset washer 12 idles and the screw 6 enters the screw hole 22 formed in the door or the like, as shown in FIG. Screwed. Finally, the head 20 of the screw 6 is accommodated in the countersink 21 provided on the tightening surface 10 side, and the preset washer 12 is also accommodated in the recess 18 provided on the contact surface 11 side. It can be prevented from projecting from the contact surface 11 of the portion 3. Therefore, the contact surface 11 of the blade portion 3 can be brought into close contact with the mounting surface 9 such as a door, and the door can be held in a stable state.

Although the said Example illustrated the Example used for the hinge of a joinery, this invention can be applied to the various hinges used for another site | part suitably.

DESCRIPTION OF SYMBOLS 1 Hinge 3 Blade | wing part 5 Mounting hole 6 Screw 7 Door 8 Frame 9 Mounting surface 10 Fastening surface 11 Contact surface 12 Preset washer 17 Claw 18 Recessed part

Claims (4)

A blade having a mounting hole, a screw inserted into the mounting hole from one end side of the mounting hole, and a preset having a larger diameter than the mounting hole attached to the tip of a screw projecting to the other end side of the mounting hole A hinge comprising a washer, and having a dent that extends in the periphery of the mounting hole in the blade portion in contact with the preset washer and is large enough to accommodate the preset washer and deeper than the thickness of the preset washer .
  The said preset washer is formed in the disk shape which has a center hole and an outer peripheral surface inclines, The inner surface inclined according to the inclination of the outer periphery of a preset washer is formed in the said recessed part. Hinge.   The hinge according to claim 1 or 2, wherein the preset washer is made of a synthetic resin material, and a claw that elastically meshes with the screw is provided inside the center hole.   The hinge according to any one of claims 1 to 3, wherein the claw is provided at a position away from an inner surface and an outer surface of the preset washer.

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