JPH0988444A - End joint construction of door body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to prevent the generation of chatter and the separation of face plates by connecting monilithically folded front end side pieces of the end edges of a pair of face plates forming a door body through a coupling device. SOLUTION: The end edges of a pair of front face plate 2 and rear face plate 3 are folded in a roughly U-shape, and a plurality of positions of folded front end side pieces 2a and 3a opposed to each other are monolithically connected through a coupling device 6. The coupler 6 is folded in an roughly U- shape to form a pair of fitting pieces 6a and 6b for fitting and holding both folded front end side pieces 2a and 3a. One fitting piece 6a is fixed to one folded front end side piece 2a with a fixed section, and then, the other folded front end side piece 2b is inserted between the other fitting piece 6b and one folded front end side piece 2a in a holding state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technical field of a door end structure connected to an opening of a building such as an office building or a condominium.

[0002]

2. Description of the Related Art Generally, in a door for construction, a core material and an end frame are interposed between a pair of front and back face plates. As shown in FIG. There is an assembly in which each part is folded back in a U shape and the bent tip side pieces 2a and 3a are opposed to each other in a contact state.

[0003]

[Problems to be Solved by the Invention]
The front and back plates 2 and 3 are bonded and fixed to the core material 4 and the end frame 5, but the bent tip side pieces 2a and 3a that come into contact with each other.
The comrades are not fixed merely by being butted against each other. Therefore, the bending tip side pieces 2a due to dimensional errors and assembly errors of the bending tip side pieces 2a and 3a, the core material 4, the end frame 5 and the like. When a gap is formed between the 3a and 3a, a chattering noise is generated when the door is opened and closed, which causes noise, and there is a fear that the face plate may be peeled off due to a decrease in adhesive strength. There was a problem to do.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances in order to solve these problems, and it is an edge portion of a pair of front and back face plates constituting a door body. Is folded back into a substantially U-shape, and a plurality of bending tip-side pieces facing each other are integrally connected via a connecting means. As a result, even if there is a gap between the bending tip side pieces due to dimensional error, assembly accuracy, etc., they are integrally connected by the connecting means, and noise such as chattering noise when the door is opened and closed can be eliminated. In addition, it is possible to prevent the face plate from being peeled off due to a decrease in adhesive strength, unlike the conventional one in which the front and back plates are simply bonded with an adhesive.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. First, FIGS. 1 to 9 show a first embodiment. In the drawings, 1 is a door body to be installed in an opening, and the door body 1 is a rectangular metal flat plate cut into a predetermined size. A pair of front and back face plates 2 and 3 formed by
In addition, the core member 4, the end frame 5, and the like, which are interposed between the face plates 2 and 3, are configured as a member device, and the like, and have the same configurations as in the related art.

The left and right side edges of the front and back plates 2 and 3 are folded back into a substantially U shape and bent end side pieces 2a and 3a are formed at the ends of the side surfaces of the door body 1. Door 1 is
The bent tip side pieces 2a, 3a are assembled in a state in which they are abutted against each other, and the front and back plates 2, 3
Between the core material 4 and the left and right end portions, an end frame 5 is interposed. The bent front end side pieces 2a, 3a on the door end side are integrally connected at a plurality of vertical positions in the recess of the grooved end frame 5 by the connecting means of the present invention. In the first embodiment, a connecting tool (corresponding to the connecting means of the present invention) 6 is used as the connecting means, and the two bent tip side pieces 2a and 3a are vertically moved by 450 m.
It is provided at a pitch of m or less and is configured to be integrally connected.

That is, the connecting tool 6 is bent into a substantially U-shape by using a plate-shaped steel material having elasticity, and a pair of fitting pieces 6a, 6 are provided.
b is formed. Then, the one fitting piece 6a is inserted on the opening side from the end of the bent tip side piece 2a of the one face plate (the face plate 2 in the present embodiment) and fixed to the side face plate with a rivet 6c or the like. It is configured as a fixed portion to be fixed, and the other fitting piece 6b is formed with a stopper portion 6d which is bifurcated and recessed at the tip side in a concave shape.
Between the stopper 6d and the front plate bent tip side piece 2a,
The bent tip side piece 3a of the back plate 3 is slid and inserted from the outside so that the bent tip side pieces 2a and 3a are fitted in a sandwiched manner between the fitting pieces 6a and 6b. Has become. Here, the stopper portion 6d is the back plate bending tip side piece 3
It is set so as to elastically abut against a, and is fitted to both bent front end side pieces 2a, 3a in a retaining manner.

On the other hand, the bent tip side pieces 2a and 3 on the suspension base side
A has notches 2b and 3b formed in the attachment portion of the hinge 7, and is located between the end frame 5 and the double-sided plates 2 and 3 end side surfaces, and the hinge spacer 7a is interposed therebetween. 7
It is set so that the bent tip side pieces 2a and 3a are integrally connected by fastening the rivets 7b and the like together, but the span provided with the hinge 7 is the span at which the hinge 7 is provided.
Since it is longer than the connecting span by, the connecting spacer 7c is interposed at an appropriate place between the hinges 7 and is fixed to the end side surfaces of the front and back plates 2 and 3 with rivets 7b. The two pieces 2a, 3a of the bent front ends are integrally connected to each other. Here, when the spacers 7a and 7c are fixed to the rivets 7b, the rivet heads do not protrude from the end side surfaces of the front and back plates 2 and 3.
After punching holes 2c and 3c formed on the side surface of the end portion with a punch or the like, rivets are fixed. Further, unlike the solid connecting spacer 7c shown in FIGS. 7 and 8, the connecting spacer 7d shown in FIG. 9 is formed to have a substantially U-shaped cross section. Since a gap is formed between the end frame 5 and the end frame 5, it is possible to fix the rivets to the end side surfaces of the front and back plates 2 and 3, and it is not necessary to make a hole in the end frame 5.

In the embodiment configured as described above, the front and back plates 2 and 3 are, as described above, the front plate 2 in advance.
After the one fitting piece 6a of the connecting tool 6 is fixedly attached, the back plate 3 is inserted between the front surface plate 2a and the other fitting piece 6b to be assembled. In this case, Both bent tip side pieces 2a, 3a are both fitting pieces 6a, 6b of the connector 6.
It will be fitted in a sandwiched manner between and, and both will be connected integrally. As a result, even if there is a gap between the bent tip side pieces 2a, 3a due to dimensional error, assembly accuracy, etc., these will be fixed by the connecting tool 6, and when the door is opened and closed. It is possible to prevent chattering noise from causing noise, and the face plate peels off due to a decrease in adhesive strength as in the conventional front and back plates that are simply bonded with an adhesive. Can be prevented.

Further, in this structure, since the connecting member 6 is formed of a steel material having elasticity, both the bending tip side pieces 2a,
3a is clamped and fitted by a connecting tool 6 in an elastically-pressed manner, so that the two bending tip side pieces 2a, 3a are made stronger together, and a more effective noise prevention effect is obtained. Can be measured.

Next, the second embodiment will be described with reference to FIGS.
However, in the drawing, the same components (the same components) as those of the first embodiment are designated by the same reference numerals, and the detailed description thereof will be omitted. FIG.
Regarding the above, the same thing as the first embodiment can be shared. In the drawing, the connecting tool 8 is substantially the same as the connecting tool 6, but a locking receiving portion 8c folded back inward is formed at the tip of the other fitting piece 8b. On the other hand, a locking hole portion 3d is formed in a portion of the back plate bent front side piece 3a facing the locking receiving portion 8c.
After fixing a to the front plate bent front side piece 2a, the back plate bent front side piece 3a is inserted, and the two bent front side pieces 2a and 3a are sandwiched between the fitting pieces 8a and 8b. In the assembled state, the lock receiving portion 8c is set to engage with the lock hole portion 3d, and in this case, the coupling tool 8 is reliably prevented from coming off from the bent tip side pieces 2a, 3a. It is supposed to be done. Furthermore, FIG. 12 shows a third embodiment, but the connector 9 used here is the same as the second embodiment except that the other fitting piece 9b is not bifurcated. It has the same structure as the connector 9.

Subsequently, a fourth embodiment will be described with reference to FIGS.
As shown in FIG. 1, the connector 10 is formed of a steel material having elasticity in a substantially U-shape so as to follow the shape of the concave groove of the end frame 5. Locking claws 10b that are notched outward are formed on both leg pieces 10a, while locking holes 5b are formed on the leg pieces 5a of the end frame 5.
By fitting and locking the locking claw 10b in the locking hole 5b, the two leg pieces 10a are fitted between the inner wall surfaces of the end frame 5 in a retaining manner. A pair of sandwiching piece portions 10c are formed so as to extend from both leg piece portions 10a, and the two bent tip side pieces 2a and 3a are fitted in a sandwiching manner between these sandwiching piece portions 10c. It is set. In this case, the connecting tool 10 is assembled in advance by setting it in the end frame 5 in a retaining shape, and then sequentially inserting the bent front end side pieces 2a, 3a of the front and back plates 2, 3 between the sandwiching piece portions 10d. The end frame 5 prevents the connector 10 from coming off. In addition, FIG.
The fifth embodiment is shown in Fig. 7, but in the connecting tool 11, the locking claws 11b formed on both leg pieces 11a are formed on the end frame leg pieces 5a similarly to the fourth embodiment. Hole 5b
It is configured such that both legs 11a are fitted between the inner wall surfaces of the end frame 5 in such a manner that the legs 11a are prevented from slipping off. Pieces 2a, 3
A holding piece portion 11c for fitting a in a holding shape is bent and formed.

Furthermore, a sixth embodiment is shown in FIG.
As shown in FIG. 19, in the drawing, the connector 12 is formed of an elastic steel material into a substantially U-shape, and both leg pieces 12a fitted in the groove of the end frame 5 are formed in an expanded shape. The end frame 5 is elastically fitted between both inner wall surfaces so as to be fitted in a retaining shape. Then, a connecting piece portion 12 that connects both leg piece portions 12a
In b, a pair of fittings is formed by leaving a portion corresponding to the notch grooves 2e, 3e formed in the bent tip side pieces 2a, 3a and notch-shaped in a position sandwiching the portions. A piece 12c is formed, and the two bent tip side pieces 2a, 3a are fitted in a sandwiched manner between the fitting pieces 12c.

Further, in this structure, as shown in FIG. 19, the connecting spacer 7e on the suspension base side is fixed to the surface plate 2 side only by the rivet 7b, so that the two bent front end side pieces 2 are attached.
It is configured so that a and 3a are connected, and simplification of the assembling work is attempted. In other words, both bent tip side pieces 2
Large and small notches 2h and 3h are formed in a and 3a, respectively, while engagement notches 7f are formed on both sides of the connecting spacer 7e. When the door butt side of the surface plate 2 slid into the door tip side is fitted onto the connecting spacer 7e and the rivet 7b is fixed, both bending tip side pieces 2a and 3a are connected to each other. It is designed such that they are integrally connected with each other.

Next, the seventh embodiment will be described with reference to FIG.
As shown in FIG. 21, this embodiment has a structure in which the bending tip side pieces 2a and 3a are integrally connected without using a connecting tool as the connecting means as in the above-described respective embodiments. That is, the bent front side piece 2a of the front plate 2 is provided with the engaging claw 2f which is bent and bent in a substantially L-shape toward the rear plate bent front side piece 3a, while the rear plate 2a is formed. An engaging hole 3f is formed in the bent tip side piece 3a of 3 and the engaging claw 2 is formed by sliding the front plate 2 from the outside with respect to the rear plate 3 to assemble.
f is fitted and locked in the engagement hole 3f in a retaining manner, whereby it is set that both the bent tip side pieces 2a, 3a are integrally connected, In this case, the number of parts can be reduced without using a connecting tool, and workability can be improved.

On the other hand, FIG. 22 to FIG. 24 show the eighth embodiment.
As shown in Fig. 7, this is also one in which both the bent tip side pieces 2a, 3a are integrally connected without using a connecting tool as in the seventh embodiment. An engaging claw 2g is formed in a protruding shape on the bent tip side piece 2a, while a bent tip side piece 3a of the back plate 3 is further folded back in an L shape, and an engaging hole 3g is formed in the folded portion. Has been drilled. Then, by sliding the front surface plate 2 from the outside with respect to the rear surface plate 3, both the bent tip side pieces 2a, 3a are integrally formed in a state where the engaging claw 2g is fitted and locked in the engaging hole 3g. It is set to be connected.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a door body.

FIG. 2 is a transverse cross-sectional view of a main part in the first embodiment.

FIG. 3 is a perspective view of a connector according to the first embodiment.

FIG. 4 is a perspective view illustrating a main part of the first embodiment.

FIG. 5 is a perspective view of the first embodiment.

FIG. 6 is a transverse cross-sectional view of a hinge part in the first embodiment.

FIG. 7 is a cross-sectional view of a connecting spacer portion according to the first embodiment.

FIG. 8 is a perspective view of a connecting spacer portion in the first embodiment.

FIG. 9 is a perspective view of a connecting spacer portion in the first embodiment.

FIG. 10 is a perspective view for explaining a main part of the second embodiment.

FIG. 11 (A) is a horizontal cross-sectional view of a main part in the second embodiment, and FIG. 11 (B) is a perspective view of a connector in the second embodiment.

FIG. 12 is a perspective view of a connector according to a third embodiment.

FIG. 13 is an explanatory diagram of the fourth embodiment.

FIG. 14 is a perspective view of a connector according to a fourth embodiment.

FIG. 15 is a perspective view of a connector according to a fifth embodiment.

FIG. 16 is a cross-sectional view of the sixth embodiment.

FIG. 17 is a perspective view for explaining a main part of the sixth embodiment.

FIG. 18 (A) is a side view in the sixth embodiment, and FIG. 18 (B) is a plan view in the sixth embodiment.

FIG. 19 is an explanatory perspective view of a suspension base side according to the sixth embodiment.

FIG. 20 is an explanatory transverse sectional view of the seventh embodiment.

FIG. 21 is an explanatory perspective view of the seventh embodiment.

FIG. 22 is a transverse cross-sectional view of the eighth embodiment.

FIG. 23 is an explanatory perspective view of the eighth embodiment.

FIG. 24 is an explanatory view showing the order of attachment in the eighth embodiment.

FIG. 25 is a cross-sectional view of a conventional example.

[Explanation of symbols]

 1 Door Body 2 Front Plate 2a Bent Tip Side Piece 3 Back Plate 4 Core Material 5 End Frame 6 Connecting Tool 6a Fitting Piece 6d Stopping Part 7 Hinge 7a Hinge Spacer 7c Connecting Spacer

Claims (6)

[Claims] 1. A pair of front and back face plates constituting a door body are bent back in an approximately U-shape at their end edges, and a plurality of bending tip end side members facing each other are integrally connected via a connecting means. Door end connection structure. 2. The connecting means according to claim 1, wherein the connecting means is formed into a pair of fitting receiving pieces that are bent into a substantially U shape to fit and hold both bent front end side pieces. The joint piece is provided with a fixing portion for fixing to one bending tip side piece, and the other bending tip side piece is provided between the other fitting piece and the fixed one bending tip side piece. An end connection structure of the door body configured by inserting in a pinching manner. 3. The connecting means according to claim 1, wherein the connecting means is formed into a pair of fitting pieces that are bent into a substantially U shape to fit both bent front end side pieces. Is provided with a fixing portion for fixing to one bending tip side piece, and the other bending tip side inserted between the other fitting piece and the fixed one bending tip side piece The piece is configured such that a locking hole formed in the other bent tip side piece is retained and locked in a lock receiving portion formed by folding back the tip of the other fitting piece. Door end connection structure. 4. The pair of leg pieces according to claim 1, wherein the connecting means is a pair of leg pieces fitted in a retaining shape between both inner wall surfaces of the recessed end frame of the door body, and An end connection structure for a door body, wherein a pair of extending sandwiching pieces is formed, and both bent tip side pieces are fitted in a sandwiching manner between the sandwiching pieces. 5. The pair of leg pieces fitting in a retaining manner between both inner wall surfaces of the end groove-shaped end frame of the door body according to claim 1, and between the both leg piece parts. And a connecting piece portion for connecting the two, the notch groove is formed in the bending tip side piece at a position facing each other, and the connecting piece portion is provided with the notch groove corresponding position. An end connecting structure for a door body, which is formed by cutting and raising a fitting piece in a dislocation-like shape at both sides of the sandwiching piece, and fitting the one-sided bent front end side piece to the fitting piece in a sandwiched manner. 6. The connection means according to claim 1, wherein the connecting means has an engaging claw formed on one of the bent tip side pieces, and an engaging hole is formed in the other bent tip side piece. An end portion connecting structure of a door body configured by engaging and locking engagement claws in a retaining shape.