JP7102272B2 - Frame connection structure and manufacturing method of the frame connection structure - Google Patents

Description

The present invention relates to, for example, a frame connecting structure constituting a frame around the opening / closing body in an opening / closing device such as a hinged door (door), a sliding door, or a shutter device, and a method for manufacturing the frame connecting structure.

Conventionally, in this type of invention, for example, as described in Patent Document 1, a vertical frame is abutted against each of the left and right end sides of the lower frame, and a projecting piece formed at the abutting portion is used. A connecting structure is known in which insertion grooves are fitted to connect these lower frames and vertical frames.
According to such a conventional technique, since a gap is formed in a portion where the lower frame and the vertical frame are in contact with each other, rainwater may infiltrate from the outside through the gap.
For this reason, the portion where the lower frame and the vertical frame are in contact with each other may be filled with a sealing material containing silicon or the like, or a drain hole for allowing the infiltrated rainwater to escape to the outside may be provided.

Japanese Unexamined Patent Publication No. 2009-150072

However, according to the above-mentioned prior art, even if the portion where the lower frame and the vertical frame are in contact with each other is filled with the sealing material, the sealing material is not sufficiently filled, or the sealing material deteriorates and cracks occur. There is a risk that a gap will be formed in the water and rainwater will infiltrate through the gap.
Further, when the drain hole is provided, rainwater may enter the indoor side through the drain hole in the event of a storm or the like.
In addition, the condensed water generated in the space inside the vertical frame may flow to the indoor side through the gap between the lower frame and the vertical frame.

In view of such problems, the present invention has the following configurations.
In a frame connecting structure in which a vertical frame is connected to the end side in the frame width direction of the lower frame, a water storage portion having a bottom portion and a peripheral wall portion that circularly covers the space above the bottom portion is provided in the vertical frame. A frame connecting structure characterized in that water flows into the water storage portion and the vertical frame is fitted to at least a part of the peripheral wall portion .

Since the present invention is configured as described above, it is possible to effectively prevent water such as rainwater and dew condensation water from flowing into the indoor side.

It is a front view which shows an example of the door apparatus which applied the frame connection structure which concerns on this invention. It is a front view which shows the connecting part of a vertical frame and a lower frame in an enlarged manner. It is a cross-sectional view taken along the line (III)-(III) in FIG. 2, and the hatching by the broken line indicates the space where water can be stored. It is sectional drawing which follows the line (IV)-(IV) in FIG. It is a perspective view explaining the process of fixing the lower frame side piece to the lower frame. It is a perspective view explaining the process of connecting a vertical frame and a vertical frame side piece to a lower frame and a lower frame side piece. It is a perspective view which shows the structure of a water storage part. It is sectional drawing of the main part which shows the procedure of forming a water storage part sequentially in (a)-(c). In the figure, the alternate long and short dash line indicates the fillet welded part, and the broken line indicates the sealing part.

In this embodiment, the following features are disclosed.
The first feature is in the frame connection structure in which the vertical frame is connected to the end side of the lower frame in the frame width direction.
A water storage portion having a bottom portion and a peripheral wall portion that circularly covers the space above the bottom portion is provided in the vertical frame so that water can flow into the water storage portion.
According to this configuration, water that has entered the vertical frame through the gap between the vertical frame and the lower frame, water generated by dew condensation in the vertical frame, etc., flows into the water storage section, so that the water invades the indoor side. Can be blocked.

The second feature is that the bottom of the water storage portion is formed so that the outdoor side is lower than the indoor side (see FIG. 4).
According to this configuration, the water that has entered the water storage section flows to the outdoor side along the bottom. Therefore, it is possible to more effectively prevent the ingress of water into the indoor side.

As a third feature, the water storage portion abuts the lower end side of the peripheral wall portion against the lower frame at a position higher than the lowest portion of the bottom portion, and the outside of the abutting portion is exposed to the outside. (See FIGS. 2, 3 and 8 (c)).
According to this configuration, when water enters the water storage portion from the outdoor side through the gap of the abutting portion in the event of a storm or the like, the water can flow through the bottom portion to the lowest portion side. Then, when water is accumulated in the water storage unit to a position higher than the gap, the water flows back through the gap and is drained to the outside when the storm weakens.

As a fourth feature, in order to improve waterproofness, an elastic sealing material is provided at the abutting portion (see FIG. 8C).

As a fifth feature, in order to improve assembly workability, the vertical frame is fitted to at least a part of the peripheral wall portion (see FIG. 7).

As a sixth feature, in order to obtain a robust structure, the water storage portion is fixed on the lower frame to form a part of the peripheral wall portion in the circumferential direction, and a lower frame side piece portion and the vertical frame. It is provided with a vertical frame side piece that is fixed to the lower end side and forms another part of the peripheral wall portion in the circumferential direction (see FIGS. 3 to 8).

As a seventh feature, in order to obtain a specific aspect of robustness and good productivity, the water storage portion is provided by the lower frame side piece, the vertical frame side piece, and the inner wall surface of the vertical frame. It constitutes the peripheral wall portion (see FIG. 3).

The eighth feature is the manufacturing method of the frame connecting structure, in which the step of fixing the lower frame side piece to the lower frame, and the vertical frame and the vertical frame to the lower frame and the lower frame side piece. It includes a step of connecting one portion on the vertical frame side to form the water storage portion (see FIGS. 5 to 8).

<Specific embodiment>
Next, a specific embodiment having the above characteristics will be described in detail with reference to the drawings.

FIG. 1 shows an example of a door device to which the frame connecting structure according to the present invention is applied.
The door device A includes a rectangular frame-shaped frame body 1 and a door body 2 located in the frame body 1, and opens and closes the door body 2 in a hinged manner via a hinge 3.
In the following description, when the thickness direction of the frame 1 (vertical direction in FIG. 3) is referred to as the "frame thickness direction" and the width direction of the frame 1 (horizontal direction in FIG. 1) is referred to as the "frame width direction". There is.

The frame body 1 includes an upper frame 10 and a lower frame 20 provided at intervals in the vertical direction, and left and right vertical frames 30 and 30 connecting the upper frame 10 and the lower frame 20 on the end side in the width direction. The frame connecting structure X according to the present invention is formed between the lower frame 20 and the left vertical frame 30 and between the lower frame 20 and the right vertical frame 30 (see FIG. 1).
The vertical frame 30 and the frame connecting structure X on the left side and the vertical frame 30 and the frame connecting structure X on the right side have the same structure except that they are symmetrical.

The upper frame 10 is a member extending substantially horizontally, and is connected between the upper ends of the left and right vertical frames 30 and 30. The upper frame 10 is fixed to the upper edge of the skeleton opening where the door device A is installed.

Further, the lower frame 20 is a member extending substantially horizontally on the lower side of the door body 2, and is connected between the lower ends of the left and right vertical frames 30 and 30. The lower frame 20 is fixed to the lower edge (for example, the floor surface) of the skeleton opening where the door device A is installed.

More specifically, as shown in FIG. 5, the lower frame 20 is integrally composed of the lower frame main body 21 and the tread portion 22 fixed to the uppermost surface of the lower frame main body 21 by welding or the like. The dimension of the tread portion 22 in the frame width direction is shorter than the dimension of the lower frame main body 21 in the frame width direction. Therefore, the lower frame main body 21 has a portion not covered by the tread portion 22 on the end side in the frame width direction. A frame connecting structure X, which will be described later, is configured in this portion, and the vertical frame 30 is connected to this portion.
The lower frame main body 21 and the tread portion 22 may be integrally molded in advance.

The lower frame main body 21 has a first surface 21a and a second surface 21b which is stepped lower on the outdoor side than the first surface 21a on the upper surface thereof.
The first surface 21a is a substantially horizontal flat surface. Further, the second surface 21b is an inclined flat surface that gradually decreases toward the outdoor side (see FIG. 4).
The first surface 21a and the second surface 21b are connected by a vertical connecting surface 21c.

As shown in FIG. 3, each vertical frame 30 is formed in a substantially frame shape in a cross section having an opening 30a on one side (left side according to FIG. 3) in the frame width direction.
The lower end of each vertical frame 30 is formed in a stepped shape in contact with the stepped upper surface (specifically, the first surface 21a, the second surface 21b, and the connecting surface 21c) of the lower frame main body 21. The lower end of the vertical frame 30 is connected substantially vertically to the end side of the lower frame main body 21 in the frame width direction to form the frame connecting structure X.

The frame connecting structure X forms a water storage portion 40 between the end side of the lower frame 20 in the frame width direction and the lower end side of the vertical frame 30.

The water storage portion 40 includes a bottom portion 40a and a peripheral wall portion 40b that circularly covers the space on the upper side of the bottom portion 40a over the entire circumference, and is configured in a substantially pool shape with the upper portion open.
The water storage unit 40 is provided so that water that has entered the vertical frame 30 from outside the vertical frame 30 and condensed water in the vertical frame 30 can flow into the water storage unit 40.

The bottom portion 40a is a stepped surface composed of a first surface 21a, a second surface 21b, and a connecting surface 21c of the lower frame main body 21, and the outdoor side (right side according to FIG. 4) is more than the indoor side. It's getting low.

The peripheral wall portion 40b is annularly covered over the entire circumference of the space above the bottom portion 40a by the lower frame side piece 41, the vertical frame side piece 42, and a part of the inner wall surface on the lower end side of the vertical frame 30. (See FIG. 3).

The lower frame side piece 41 is fixed from the first surface 21a to the second surface 21b of the lower frame main body 21 and forms a part of the peripheral wall portion 40b in the circumferential direction.
More specifically, as shown in FIG. 5, the lower frame side piece 41 is the first piece 41a abutting the first surface 21a of the lower frame main body 21, the connecting surface 21c, and the second one. It integrally has a second piece 41b that is abutted against the surface 21b.

The first piece portion 41a has a substantially L-shaped plan view including a portion along the frame width direction of the lower frame main body 21 and a portion along the frame thickness direction of the lower frame main body 21 on the indoor side (left side according to FIG. 5). It is formed in a shape.
The height of the first piece 41a corresponds to the maximum water storage height of the water storage unit 40. This height is appropriately set so that the water accumulated in the water storage unit 40 does not overflow.

The second piece portion 41b is formed in a substantially L-shape in a plan view, which is composed of a portion along the frame thickness direction on the frame width direction end side of the lower frame main body 21 and a portion along the frame width direction on the lowest portion 40aL side. (See FIGS. 3 and 6). The upper half of the second piece 41b projects upward from the upper end of the first piece 41a to serve as a connection allowance with the vertical frame 30.

Further, the vertical frame side piece 42 is fixed to the lower end side of the vertical frame 30 to form another part of the peripheral wall portion 40b in the circumferential direction.
More specifically, the vertical frame side piece 42 is located closer to the outside of the second surface 21b of the lower frame main body 21 at a position separated from the lower frame side piece 41 in the frame width direction (lower part of FIG. 3). It is provided on the side) and is formed in the shape of a plate that rises upward.
As shown in FIG. 6, the vertical frame side piece 42 is fixed in advance to the lower end side of the vertical frame 30 to reinforce the lower end side of the vertical frame 30.

The water storage unit 40 having the above configuration has a butt portion 40c in which the lower end side of the peripheral wall portion 40b is abutted against the lower frame main body 21 at a position higher than the lowest portion 40aL on the outdoor side of the bottom portion 40a. The outside of the mating portion 40c is exposed to the outside (see FIG. 3).
The abutting portion 40c is a portion in which the vertical frame side piece 42 and the lower end side of the vertical frame 30 are butted against the lower frame main body 21 along the broken line on FIG. 8C.
Then, in the butt portion 40c, an elastic sealing material (for example, silicon or the like is used as a main component) is used as a main component in the corner-shaped portion where the vertical frame side piece portion 42 and the vertical frame 30 and the lower frame main body 21 intersect. Things) are continuously filled.

Next, the manufacturing procedure of the frame connecting structure X will be described in detail with reference to FIGS. 5 to 8.
First, as shown in FIG. 5, the lower frame side piece 41 is abutted against the portion of the lower frame main body 21 that is not covered by the tread portion 22 on the frame width direction end side.

Then, the butt portion (specifically, the intersection portion between the lower frame side piece portion 41 and the first surface 21a, the intersection portion between the lower frame side piece portion 41 and the second surface 21b, and the lower frame side piece portion 41 The inside corner-shaped portion (the portion along the alternate long and short dash line in FIG. 8B) is continuously fillet welded along the 21-sided surface of the lower frame main body. In this fillet welding, the butt portions are connected with almost no gap to make a watertight state.

On the other hand, a vertical frame side piece 42 is fixed in advance to the lower end side of the vertical frame 30 by welding or the like (see FIG. 6).
The vertical frame 30 and the vertical frame side piece 42 are fitted so as to cover the lower frame side piece 41 fixed earlier from the upper side (see FIG. 7).

Then, the lower end side of the vertical frame 30 and the vertical frame side piece 42 are butted so as to fit into the stepped surface of the lower frame main body 21. After that, the vertical frame side piece 42 and the butt portion of the lower frame main body 21 are connected by a plurality of spot welds.

Next, the abutting portion between the lower end of the vertical frame side piece 42 and the lower frame main body 21 and the abutting portion between the vertical frame 30 and the lower frame main body 21 located on the indoor side of this portion are inside. The sealing material is continuously filled in the inside corner portion (the portion along the broken line in FIG. 8C). This filling operation is performed from the opening 30a side of the vertical frame 30.

According to the above manufacturing procedure, the lower end side of the vertical frame 30 is connected to the end side of the lower frame 20 in the width direction, and the water storage portion 40 is configured in the vertical frame 30.

Next, the characteristic action and effect of the frame connection structure X having the above configuration will be described in detail.
According to the frame connecting structure, since the connecting portion between the lower frame 20 and the vertical frame 30 is watertightened by the above-mentioned sealing material and fillet welding or the like, usually, even if water is sprayed due to a storm or the like, the connecting portion thereof Prevents water from entering the frame from outside the frame.

However, for example, when a gap is formed in the butt portion 40c due to aged deterioration of the sealing material or the like, water may infiltrate through the gap.
The water that infiltrates in this way flows in the water storage portion 40 along the bottom portion 40a to the lowest portion 40aL side.
If the momentum of the storm continues to some extent, this water may be accumulated in the water storage unit 40 to a position higher than the gap. When the momentum of the storm decreases, the water accumulated in this way flows back through the gap and is discharged to the outside or spontaneously evaporates.

Further, when the water storage unit 40 is closer to the indoor side, since the lower frame side piece 41 is fillet welded to the lower frame main body 21, it is possible to prevent the water in the water storage unit 40 from flowing to the indoor side. can.

Therefore, according to the frame connecting structure X having the above configuration, when the sealing material is deteriorated and rainwater infiltrates into the vertical frame 30, or when dew condensation water is generated in the vertical frame 30, this water is stored in the water storage unit. It can be stored in 40 so that it does not flow indoors.

According to the above embodiment, the water storage unit 40 is composed of the lower frame main body 21, the lower frame side piece 41, the vertical frame side piece 42, and a part of the vertical frame 30, but as another example, , A mode in which a concave water storage portion independent of other members is provided in the vertical frame 30, a mode in which a recess is provided in the upper surface of the lower frame main body 21 in the vertical frame 30 and this recess is used as a water storage portion, or a vertical frame. It is also possible to form the 30 into a tubular shape so that the inside of the vertical frame 30 is a storage portion or the like.

Further, according to the above embodiment, as a particularly preferable example, the sealing material is provided on the butt portion 40c, but as another example, the sealing material may be omitted. Even in this case, the water entering through the gap of the abutting portion 40c can be stored in the water storage portion 40 to prevent the water from entering the indoor side.

Further, according to the above embodiment, the minimum portion 40aL side in the water storage unit 40 is closed, but as another example, a drainage hole communicating with the outdoor side is provided on the minimum portion 40aL side in the water storage unit 40. It is also possible to have a structure in which the water in the water storage unit 40 is drained to the outdoor side.

Further, the present invention is not limited to the above-described embodiment, and can be appropriately changed without changing the gist of the present invention.

1: Frame body 2: Door body 10: Upper frame 20: Lower frame 30: Vertical frame 40: Water storage part 40a: Bottom part 40b: Peripheral wall part 40c: Butt part 41: Lower frame side piece 42: Vertical frame side piece A: Door device X: Frame connection structure

Claims (8)

In a frame connection structure in which a vertical frame is connected to the end side of the lower frame in the frame width direction,
A water storage portion having a bottom portion and a peripheral wall portion that circularly covers the space above the bottom portion is provided in the vertical frame so that water can flow into the water storage portion.
A frame connecting structure characterized in that the vertical frame is fitted to at least a part of the peripheral wall portion . In a frame connection structure in which a vertical frame is connected to the end side of the lower frame in the frame width direction,
A water storage portion having a bottom portion and a peripheral wall portion that circularly covers the space above the bottom portion is provided in the vertical frame so that water can flow into the water storage portion.
The water storage portion is fixed on the lower frame to form a part of the peripheral wall portion in the circumferential direction, and is fixed to the lower end side of the vertical frame and is fixed in the circumferential direction of the peripheral wall portion. A frame connecting structure characterized by having a vertical frame side piece forming a part of the above . The frame connecting structure according to claim 2, wherein the water storage portion constitutes the peripheral wall portion by the lower frame side piece portion, the vertical frame side piece portion, and the inner wall surface of the vertical frame. .. The frame connecting structure according to any one of claims 1 to 3, wherein the bottom portion of the water storage portion is formed so that the outdoor side is lower than the indoor side . The claim is characterized in that the water storage portion abuts the lower end side of the peripheral wall portion against the lower frame at a position higher than the lowest portion of the bottom portion, and the outside of the abutting portion is exposed to the outside. Item 4. The frame connection structure according to item 4. The frame connecting structure according to claim 5, wherein an elastic sealing material is provided on the butt portion . The lower frame is composed of a lower frame main body and a tread portion fixed to the uppermost surface of the lower frame main body, and the dimension of the tread portion in the frame width direction is larger than the dimension of the lower frame main body in the frame width direction. Also short, the lower frame body has a portion not covered by the tread portion on the end side in the frame width direction, and the vertical frame is connected to this portion to form the water storage portion. The frame connection structure according to any one of claims 1 to 6, which is characterized . A step of fixing the lower frame side piece to the lower frame, and a step of connecting the vertical frame and the vertical frame side piece to the lower frame and the lower frame side piece to form the water storage part. The method for manufacturing a frame connection structure according to claim 2 or 3 , wherein the frame connection structure comprises.

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