JP4846387B2 - Door device - Google Patents

Description

  The present invention relates to a door device installed mainly at an entrance of a building such as a condominium or a detached house.

  In recent years, door devices installed at the entrances and exits of buildings such as condominiums and single-family houses have been required to have crime prevention performance. At present, strengthening of crime prevention is required not only for locks but also for support structures for door bodies. Has been.

  Conventionally, as shown in FIG. 10, a hinge 3 is used as a member that supports the door body 1 on the housing (frame body 2 in the figure) side so as to be opened and closed. A conventional door device using a general hinge 3 will be described with reference to FIGS. The hinge 3 shown in the drawing is a pluggable hinge that can be divided.

  The hinge 3 comprises a male hinge piece 5 and a female hinge piece 6, the male hinge piece 5 has a male tongue piece 7 and an insertion shaft 8, and the female hinge piece 6 is for a female type. A tongue piece 9 and a shaft fitting portion 10 are provided.

  The male hinge piece 5 is attached to a required place (three places in the drawing) of the frame body 2, and the male hinge piece 5 is attached to the frame body 2 by attaching the male tongue piece 7 to the frame. This is done by bolting the body 2. The female hinge piece 6 is attached to the position of the door body 1 corresponding to the male hinge piece 5 on the door bottom side end surface of the frame 2, and the female hinge piece 6 is attached to the door bottom end surface. The female tongue 9 is bolted to the end face side end face.

  The attachment of the male hinge piece 5 to the frame body 2 and the attachment of the female hinge piece 6 to the door body 1 are performed separately in a separated state, and the frame body of the door body 1 is provided. Attachment to 2 is performed by inserting the shaft fitting portion 10 into the insertion shaft 8 from above and fitting it, and the fitting state is maintained by the weight of the door body 1.

  In order to be able to open and close the door body 1, a gap is required between the frame body 2, and in a state where the door body 1 is closed, Gaps A and B required for opening and closing are formed between the door bodies 1.

  In addition, as described above, the connection between the male hinge piece 5 and the female hinge piece 6 is merely the insertion of the shaft fitting portion 10 into the insertion shaft 8, so that even in the closed state, The door body 1 can be lifted only by the gap B. When the door body 1 is lifted by the gap B, the female hinge piece 6 is lifted by the gap B with respect to the male hinge piece 5 and is formed between the male hinge piece 5 and the female hinge piece 6. The insertion shaft 8 is exposed in the gap.

  For this reason, the insertion shaft 8 can be cut by inserting a sawtooth into the gap between the male hinge piece 5 and the female hinge piece 6. Further, by cutting the insertion shaft 8 for all the hinges 3, the door body 1 can be removed, and an outsider can enter.

  In view of such circumstances, the present invention prevents the door body from being lifted when the door body is closed, prevents the hinge shaft from being cut, and improves the security of the door device.

  The present invention relates to a door device in which a door body is attached to a housing by a plug-in hinge in which a male hinge piece is connected to a female hinge piece via an insertion shaft, and the door body is constituted by a plurality of hinges. Lifting prevention means for restraining upward movement of the door body between the housing and the door body in a state where at least the door bottom end surface of the door body and the hinge mounting surface of the housing face each other. The lifting prevention means relates to a door device in which the vertical direction of at least one hinge is different from that of other hinges, and the door bottom end surface of the door body, the hinge of the housing A pin is protruded on either side of the mounting surface, a hole is provided on either side, and the pin and the hole in a state where the door bottom end surface of the door body and the hinge mounting surface of the housing face each other And the door assembly that restrains the vertical movement of the door body. In addition, a lift prevention piece is attached to each of the door bottom end surface of the door body and the hinge mounting surface of the housing, and the door bottom end surface of the door body and the hinge mounting surface of the housing face each other. Both lifting prevention pieces are located adjacent to each other in the vertical direction, and are related to a door device that abuts against the upward movement of the door body and restrains the upward movement of the door body, and the female hinge piece. Has a shaft fitting portion and a tongue piece, the male hinge piece has the insertion shaft and a tongue piece to be fitted to the shaft fitting portion, and the tongue piece for a female die is formed on the door body. It is attached to either the door end end surface or the hinge attachment surface of the housing, and the male tongue piece is attached to either the door bottom end surface of the door body or the hinge attachment surface of the housing, and The rising prevention means is configured such that the door bottom end surface of the door body and the hinge mounting surface of the housing face each other. A lifting prevention piece is attached to at least one of the door bottom end surface of the door body and the hinge mounting surface of the housing; The lifting prevention piece relates to a door device that restrains movement by contacting the tongue piece attached to the other surface with respect to the movement of both tongue pieces in the direction of separation, and further forms an engaging protrusion on one tongue piece. Then, an engagement recess is formed in the other tongue piece, and the engagement protrusion and the engagement recess are fitted in a state where the door bottom end surface of the door body and the hinge mounting surface of the housing face each other. The present invention relates to a door device that restrains the movement of both tongue pieces in the separating direction.

  According to the present invention, in the door device in which the door body is attached to the housing by the insertion type hinge in which the male hinge piece is connected to the female hinge piece through the insertion shaft, the door body is constituted by a plurality of hinges. Lifting prevention that is attached to the housing and restrains the upward movement of the door body between the housing and the door body in a state where at least the door bottom end surface of the door body and the hinge mounting surface of the housing face each other. Since the means is provided, the door body cannot be lifted when the door body is closed, the insertion shaft cannot be exposed, and the crime prevention performance is improved.

  Further, according to the present invention, since the lifting prevention means differs in the vertical direction of at least one hinge from the other hinges, the crime prevention performance is improved without increasing the cost by using the same parts as the conventional one. It is done.

  According to the present invention, a pin is protruded on either side of the door bottom end surface of the door body or the hinge mounting surface of the housing, and a hole is provided on either side of the door body door. The pin and the hole are fitted in a state in which the bottom end surface and the hinge mounting surface of the housing face each other, and the vertical movement of the door body is restrained, and the door bottom end surface of the door body, the hinge of the housing A lifting prevention piece is attached to each of the mounting surfaces, and both the lifting prevention pieces are positioned adjacent to each other in the state where the door bottom end surface of the door body and the hinge mounting surface of the housing face each other, and the door Since it abuts against the upward movement of the body and restrains the upward movement of the door body, the door body cannot be lifted in a closed state, and the insertion shaft is exposed. The crime prevention property is improved, and the lifting prevention piece is Since it is only possible, it is implemented in an existing door device.

  According to the present invention, the female hinge piece has a shaft fitting portion and a tongue piece, and the male hinge piece has the insertion shaft and the tongue piece fitted to the shaft fitting portion, The female tongue is attached to one of the door bottom end surface of the door and the hinge mounting surface of the housing, and the male tongue is the door bottom end of the door, the hinge of the housing. It is attached to either one of the attachment surfaces, and the lifting prevention means restrains the vertical separation movement between the tongue pieces in a state where the door bottom end surface of the door body and the hinge attachment surface of the housing face each other. When the door body is closed, the door body cannot be lifted, the insertion shaft cannot be exposed, and the crime prevention property is improved.

  According to the present invention, the lifting prevention piece is attached to at least one of the door bottom end surface of the door body and the hinge mounting surface of the housing, and the lifting prevention piece is arranged in the direction in which both tongue pieces are separated. Since the movement is restrained by abutting against the tongue piece attached to the other surface with respect to the movement, an engagement protrusion is formed on one tongue piece, an engagement recess is formed on the other tongue piece, and the door The engagement protrusion and the engagement recess are fitted in a state in which the door end face of the body and the hinge mounting surface of the housing face each other, and the movement of both tongue pieces in the separating direction is restrained, thereby improving crime prevention However, the lifting prevention piece can be retrofitted and exhibits excellent effects such as being able to be applied to an existing door device.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  The first embodiment will be described with reference to FIGS. In FIG. 1 to FIG. 4, the same reference numerals are given to the same components as those shown in FIG. 11 and FIG. 12. 1 to 4, reference numeral 12 denotes a seal member.

  In the first embodiment, the case where the door body 1 is attached to the housing, for example, the frame body 2 with three hinges 3 is shown, and the upper and lower two hinges 3 are shown in FIGS. 11 and 12. The door 1 is attached to the frame 2 through the hinge 3 attached in the same procedure.

  The door 1 is opened, the door end side surface of the door 1 and the frame 2 are exposed, and a hinge 3 in the middle is attached to the door 1 and the frame 2.

  Either the male hinge piece 5 or the female hinge piece 6, for example, the male hinge piece 5 is attached to the frame body 2 up and down with respect to the male hinge piece 5 in the upside down direction. And centering with the male hinge pieces 5 and 5 attached above and below. Next, the female hinge piece 6 is fitted to the insertion shaft 8 from the lower side with the other female hinge piece 6 turned upside down, and the female tongue piece 9 is attached to the door body 1. FIG. 3 shows a state where the attachment is completed.

  When all the hinges 3 are attached, with respect to the upper and lower hinges 3, in order to separate the male hinge piece 5 and the female hinge piece 6, the extraction direction of the male hinge piece 5 is upward. For the male hinge piece 5 at the center, the pulling direction is downward. Therefore, the hinge 3 at the center acts as a lifting prevention means that restrains the upward movement of the door body 1 and cannot move the door body 1 upward. For this reason, there is no gap between the male hinge piece 5 and the female hinge piece 6, and the insertion shaft 8 is not exposed.

  Therefore, the insertion shaft 8 cannot be exposed and the insertion shaft 8 cannot be cut.

  If the hinge 3 has two upper and lower portions and the single hinge 3 has a strength that can be supported by the weight of the door body 1, for example, the male hinge piece 5 and the female die of the upper hinge 3. You may attach the hinge piece 6 upside down.

  Further, the hinge 3 may be additionally provided in an empty space with respect to the normal arrangement of the hinge 3. In this case, it is possible to additionally install the existing door device as a security measure.

  The second embodiment will be described with reference to FIGS.

  In the second embodiment, the hinge 3 is attached in a normal state and provided with a separate lifting prevention means.

  The lifting prevention piece 13 is attached to the frame 2 as a lifting prevention means.

  The lifting prevention piece 13 has a width smaller than the thickness of the door body 1, and the plate thickness is the same as or thinner than the plate thickness of the male tongue piece 7 and the female tongue piece 9. The mounting position is such that the distance E between the upper end of the male tongue 7 and the lower end of the lifting prevention piece 13 is slightly larger than the vertical dimension D of the female tongue 9. To do. The lifting prevention piece 13 is attached after the hinge 3 has been attached, and is fixed at an optimum position with respect to the male tongue piece 7.

  FIG. 6 shows the relationship between the hinge 3 in the closed state of the door 1, that is, the female tongue piece 9 and the lifting prevention piece 13, and the female tongue piece 9 and the lifting prevention piece 13. It is opposed to 13 through a slight gap.

  By providing the lifting prevention piece 13, even if the door body 1 is to be lifted, the female tongue 9 abuts against the lifting prevention piece 13, and the lifting is suppressed, and the door body 1 is It cannot be lifted. Further, the mounting position of the lifting prevention piece 13 is determined only by the positional relationship with the female tongue piece 9, and the female tongue piece 9 is determined by the male tongue piece 7. Therefore, even if the mounting state of the door body 1 changes with time, the positional relationship between the female tongue piece 9 and the lifting prevention piece 13 does not change, and the opening and closing is hindered. It does not occur.

  As described above, since the lifting prevention piece 13 is attached after the hinge 3 is attached, it can be easily attached to an existing door device.

  The lifting prevention piece 13 may be provided on the door body 1 side as shown in FIG.

  The lifting prevention piece 13 is attached below the female tongue piece 9 by a distance E slightly larger than the height dimension D of the male tongue piece 7. In this case, when the door body 1 is closed and an attempt is made to lift the door body 1, the lifting prevention piece 13 hits the lower end of the male tongue piece 7 and cannot move upward, Lifting of the door body 1 is prevented. The lifting prevention piece 13 may be provided on both the frame body 2 and the door body 1.

  FIG. 8 shows a third embodiment, in which a pin 14 protrudes from either the door body 1 or the frame body 2, and the pin 14 is either the door body 1 or the frame body 2. It can be fitted into an engagement hole 15 provided in the other tongue piece. In the third embodiment, the pin 14 and the engagement hole 15 constitute lifting prevention means.

  In FIG. 8, the pin 14 projects from the frame body 2, the engagement hole 15 is formed in the female tongue 9 attached to the door body 1 side, and the door body 1 is closed. The pin 14 and the engagement hole 15 are fitted together. The height of the pin 14 is the same as or slightly smaller than the thickness of the female tongue piece 9.

  If the engagement hole 15 is a bolt mounting hole formed in the female tongue piece 9, the pin 14 can be easily erected on the frame body 2 in a simple manner. Can also be retrofitted.

  The bolts for attaching the male tongue piece 9 and the male tongue piece 7 are countersunk screws so as not to interfere with the frame body 2 and the door body 1. Use a bolt that protrudes from the head, make the head function as the pin 14, and make a hole in the frame 2 or the door 1 to fit the head of the bolt. Thus, if the door body 1 is to be lifted, the head of the bolt and the escape hole interfere with each other to prevent the door body 1 from being lifted.

  In this case, the head portion of the bolt and the escape hole constitute a lifting prevention means.

  FIG. 9 shows a fourth embodiment in which an engagement protrusion 16 is formed on one of the male tongue 7 and the female tongue 9 and an engagement recess 17 is formed on the other, and the door body. When 1 is closed, the engagement protrusion 16 and the engagement recess 17 are fitted. In the case of the fourth embodiment, when the door body 1 is in the closed state, the engagement between the engagement protrusion 16 and the engagement recess 17 prevents the separation between the male hinge piece 5 and the female hinge piece 6. Thus, lifting of the door body 1 is prevented.

  In the case of the fourth embodiment, the engagement protrusion 16 and the engagement recess 17 constitute lifting prevention means.

  In addition, the lifting prevention means only has to restrain the upward movement of the door body 1 when the door body 1 is closed. For example, the lifting prevention pieces 13 and 13 are respectively attached to the door body 1 and the frame body 2. When the door body 1 is in the closed state, the two lifting prevention pieces 13 and 13 are adjacent to each other with no gap between them, and the lifting prevention pieces 13 and 13 are You may make it collide.

  Furthermore, it is also possible to select each embodiment mentioned above suitably, and to implement together, and by using together, the raising of the said door body 1 is prevented more reliably.

It is explanatory drawing which shows the attachment procedure of the 1st Embodiment of this invention. It is a plane sectional view in the state where the door in the 1st embodiment was opened. It is a principal part front view in the state which opened the door body in this 1st Embodiment. It is a plane sectional view in the state where the door body in the 1st embodiment was closed. It is a principal part perspective view in the state which showed the 2nd Embodiment of this invention and the door opened. It is a principal part front view which shows the 2nd Embodiment of this invention and shows the relationship between a hinge in the state which the door closed, and a lifting prevention piece. It is a principal part perspective view in the state where the modification of the 2nd Embodiment of this invention was shown and the door opened. It is a principal part perspective view in the state which showed the 3rd Embodiment of this invention and the door opened. It is a principal part perspective view in the state which showed the 4th Embodiment of this invention and the door opened. It is a front view which shows the outline of a door apparatus. It is explanatory drawing which shows the conventional door apparatus. It is a principal part front view which shows the conventional door apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door body 2 Frame 3 Hinge 5 Male hinge piece 6 Female hinge piece 7 Male tongue piece 8 Insert shaft 9 Female tongue piece 10 Shaft fitting part 13 Lifting prevention piece 14 Pin 15 Engagement hole 16 Engaging projection 17 Engaging recess

Claims (1)

In a door device in which a door body is attached to a housing by a plurality of insertion hinges in which a male hinge piece is connected to a female hinge piece via an insertion shaft. One of the piece or the male hinge piece is attached, the other of the female hinge piece or the male hinge piece is attached to the hinge attachment surface of the housing, and the door bottom end surface of the door body in the closed state The female hinge piece and the male hinge piece are arranged vertically so that they do not overlap with the hinge mounting surface of the housing facing each other, and the door bottom end surface of the door body and the hinge mounting surface of the housing A lift prevention piece is attached to each surface of the door, and when the door body is closed, the both lift prevention pieces are positioned adjacent to each other in the vertical direction and abut against the upward movement of the door body. A door device characterized by restraining the upward movement of the body.

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