JP7350640B2 - simple building - Google Patents

Description

The present invention relates to simple buildings.

As a simple building, for example, as described in the following non-patent document 1, there is a structure that is equipped with a support erected on the ground, a beam fixed to the upper end of the support, and a roof supported by the beam. Are known.

A simple building with a roof listed on page 105 of the catalog "Public Exterior Catalog 2019 (STX1265B)" published by Sankyo Tateyama Co., Ltd. in June 2019.

The simple building described in Non-Patent Document 1 uses a beam with a relatively high beam height in order to obtain a predetermined strength of the beam, and furthermore, in order to improve the design, the upper side of the beam has a rectangular cross section. The lower side has a substantially trapezoidal cross section that tapers downward from the lower end of the rectangular cross section.
However, in the case of beams with such a shape, there is a problem in that, for example, when installing lighting equipment, etc. at the bottom end of the beam, the lighting equipment, wiring, and the housing that accommodates them protrude significantly downward. .
As a result, the overhead height inside the simple building is low, and the large downward protrusion reduces the design quality.
For this reason, there has been a need for a simple building that can maintain the strength of the beam with a small cross-sectional area, has sufficient internal overhead height, and has a good design.

In order to solve the above-mentioned problem, a simple building according to claim 1 includes a support, a beam having a rectangular cross section and fixed to the upper end of the support, and a beam lower cover attached to the lower surface of the beam. The beam lower cover is directly screwed to the lower surface of the beam and includes a cover body that covers only the lower surface of the beam , and a batten that is engaged with the side wall of the cover body so as to cover the screwed part, and A space is formed between the lower surface of the beam and the bottom plate of the beam lower cover.
Further, in order to solve the above-mentioned problem, the simple building according to claim 2 includes a support, a beam having a rectangular cross section and fixed to the upper end of the support, and a beam lower cover attached to the lower surface of the beam. The beam lower cover includes a cover body screwed to the lower surface of the beam, and a batten engaged with a side wall of the cover body so as to cover the screwed part, and the side wall is connected to the screwed part. is inclined in a direction in which the beam is exposed from below, and is characterized in that a space is formed between the lower surface of the beam and the bottom plate of the beam lower cover.

With the above configuration, the present invention can provide a simple building that maintains the strength of the beam with a small cross-sectional area, has sufficient internal overhead height, and has a good design.

1 is a side view of a simple building according to a first embodiment of the present invention. FIG. 2 is a front view of FIG. 1; 3 is an enlarged view of the main part of FIG. 2. FIG. It is a sectional view taken along the line (4)-(4) in FIG. 3. It is a sectional view taken along the line (5)-(5) in FIG. 3. FIG. 4 shows a state in which the cover under the beam is temporarily placed. FIG. 5 shows a state in which the cover under the beam is temporarily placed. Figure 3 shows a state in which the cover under the beam is temporarily placed. It is an enlarged view showing the attachment structure of a gutter part. It is an explanatory view of the arrangement position of the vertical gutter. This shows the state in which the downpipe is placed on the rear side of the support. FIG. 3 is an enlarged view showing the mounting configuration of the gap concealing member. 13 is an installation process diagram of the gap concealing member in FIG. 12. FIG. 13 is an installation process diagram of the gap concealing member in FIG. 12. FIG. FIG. 3 is an enlarged view showing a configuration in which a gap concealing member is attached to a side frame. 16 is an installation process diagram of the gap concealing member in FIG. 15. FIG. 16 is an installation process diagram of the gap concealing member in FIG. 15. FIG.

Hereinafter, a simple building A according to an embodiment of the present invention will be described with reference to the drawings. In the following description, the same reference numerals in different figures indicate parts with the same function, and redundant explanation in each figure will be omitted as appropriate.
In addition, in the following description, as shown in FIG. 1, the side with the higher end of the roof 3 of the simple building A will be referred to as the rear side, and the lower side will be referred to as the front side.
Moreover, as shown in FIG. 2, the side covered by the roof 3 of the simple building A is defined as the inside, and the side opposite to the inside with the pillar 1 as the boundary is defined as the outside.
In each figure, "inside" and "outside" and "front side" and "rear side" are indicated.

[Simplified building configuration]
As shown in FIGS. 1 and 2, the simple building A shown in this embodiment has a pair of left and right (indicated by arrows) columns 1 and an upper part of the column 1 when viewed from the front in FIG. It consists of a supported beam 2 and a roof 3 supported on the top of the beam 2 (for example, a carport, cycle port, etc.).
A front gate-shaped frame F is constituted by a pair of left and right columns 1 and beams 2, and this frame F is assembled into two front and rear sections. is supported.
Further, a beam under cover 4 is attached below the beam 2, a gutter section 5 is attached to the front side of the roof 3 of the simple building A, and a gap concealing material 6 is attached to the rear side of the roof 3. is installed.
Furthermore, by making the front frame F lower than the rear frame F, the roof 3 is installed in an inclined manner with the front side being low and the rear side being high.

[Strut configuration]
As shown in FIGS. 3, 5, and 7, the column 1 is formed in a rectangular shape with a substantially square cross section, and column covers 1a and 1b are attached to the entire vertical area of the inner and outer surfaces.
An engaging protrusion 11a that engages with an engaged protrusion 10a protruding from the inner surface of the post 1 is provided on the post cover material 1a, and the engaging protrusion 11a engages with the engaged protrusion 10a. By fitting together, the column cover material 1a is attached to the column 1.
The pillar cover material 1b has an engaging protrusion 11b that protrudes to engage the engaged recess 10b formed in the center and front and rear ends of the outer surface of the pillar 1. The column cover material 1b is attached to the column 1 by engaging the engagement protrusion 11b.
The engaged protrusion 10a is used as a protrusion for temporarily placing the under-beam cover 4 during the installation work of the under-beam cover, which will be described later.
In addition, in the illustration, only the engaged protrusion 10a on the left column 1 is shown, but the engaged protrusion 10a, which serves as a protrusion for temporarily placing the beam under cover 4, is the same on the right column 1. It is provided in the configuration.

[Beam configuration]
As shown in FIGS. 3, 4, and 6, the beam 2 is formed in a rectangular shape with a substantially square cross section, and a beam under cover 4 is attached to the entire lower surface 2a in the left and right direction.
As shown in FIGS. 4 and 6, the beam under cover 4 includes a cover main body 40 including a bottom plate 4a and side walls 4b provided at two locations on the front and back of the bottom plate 4a, and a batten 4c attached to the cover main body 40. The outer shape is formed to have a substantially trapezoidal cross section tapering downward.
A fixing plate 40b for screwing to the lower surface 2a of the beam 2 is provided at the upper end of the side wall 4b, and the fixing plate 40b is fixed to the lower surface 2a of the beam 2 via screws b1.
The batten 4c is attached to the side surface of the side wall 4b, and the screwed portion is hidden by the batten 4c.

As shown in FIGS. 4 and 6, an engaged portion 40c is provided on the inner surface of the batten 4c to be engaged with two upper and lower engaging portions 41b protruding from the outer surface of the side wall 4b. has been done.
The engaged portion 40c is engaged with the two engaging portions 41b so as to sandwich them from the outside.
A locking convex portion 400 that protrudes toward the engaged portion 40c is formed on the distal end side of the engaging portion 41b. The convex portion 401 is engaged so as to be caught.
The locking convex portions 401 are provided at two locations so as to be lined up along the protruding direction of the engaged portion 40c, and when the batten board 4c is normally attached, the locking convex portions 401 are provided at two locations on the base side of the engaged portion 40c. The engaged convex portion 401 engages with the locking convex portion 400 to maintain the attached state of the batten 4c.
When an external force is applied to the batten 4c and the locked convex portion 401 on the base side of the engaged portion 40c comes off from the locking convex portion 400, the locked convex portion on the tip side of the engaged portion 40c By the portion 401 being caught on the locking convex portion 400, it is possible to prevent the batten 4c from falling.

When the beam lower cover 4 is attached, a space S is formed between the lower surface 2a of the beam 2 and the bottom 40a of the bottom plate 4a of the cover body 40, as shown in FIG.
The space S can be used, for example, as a space for accommodating a lighting fixture (not shown) and a space for accommodating wiring for the lighting fixture (not shown).
When installing the above-mentioned lighting equipment in the beam under cover 4, the cover body 40 is provided with a hole for the lighting equipment in the bottom plate 4a, and the lighting equipment and wiring are housed in the space S, thereby creating a simple building A with the lighting equipment. It can be done.

In the work of attaching the beam lower cover 4 to the lower surface 2a of the beam 2, the cover body 40 can be temporarily placed on the upper end surface 100 of the engaged protrusion 10a, as shown in FIGS. 6 to 8. There is.
The engaged protrusion 10a used for temporary placement of the cover body 40 is configured such that the vertical width between the lower surface 2a of the beam 2 and the upper end surface 100 of the engaged protrusion 10a is wider than the vertical width of the cover body 40. , the position of the upper end surface 100 of the engaged protrusion 10a is set.
The position of the upper end surface 100 is set so that the vertical width between the lower surface 2a of the beam 2 and the upper end surface 100 of the engaged protrusion 10a is wider than the vertical width of the cover body 40 from the beginning when the support 1 is molded. It may be set by integrally molding the engaged protrusion 10a, or it may be set by cutting out the upper part of the engaged protrusion 10a after molding the support 1.

[Roof composition]
As shown in FIG. 1, the roof 3 is sloped so that the front side is low and the rear side is high. The lower end of the structural portion 3b is placed on and fixed to the upper surface 2b of the beam 2.
Furthermore, as shown in FIGS. 3 and 10, the truss structure 3b allows an inclined gutter 5c, which will be described later, to pass over the top surface 2b of the beam 2 between the bottom surface 30a of the roof panel 3a and the top surface 2b of the beam 2. A passage space S1 is secured.

[Configuration of gutter]
As shown in FIGS. 1 to 3 and 9 to 11, the gutter section 5 includes a roof gutter 5a arranged along the left-right direction on the front side of the roof 3, and a vertical gutter arranged along the pillar 1. 5b, an inclined gutter 5c arranged so as to span the roof gutter 5a and the vertical gutter 5b, and a drainage member 5d arranged so as to communicate the roof gutter 5a and the inclined gutter 5c.
The vertical gutter 5b, the inclined gutter 5c, and the drainage member 5d are formed with a rectangular cross section, and have a design corresponding to the design of the support 1 and the beam 2, which have a rectangular cross section.
As shown in FIGS. 9 and 11, the roof gutter 5a is provided with a drain pipe 50a on the bottom outer surface of the left end portion for flowing wastewater into the drainage member 5d, and a bottom inner surface above the drain pipe 50a. A water collector 51a is provided.
The roof gutter 5a and the drainage member 5d are arranged at a higher position than the upper surface 2b of the beam 2, as shown in FIG.
The downpipe 5b has a drain port 50b at the lower end, and water drained from the drain port 50b is made to flow into a drain G1 provided in the ground G.

As shown in FIGS. 9 and 10, the drainage member 5d is rotatably supported around the left and right axes with respect to the roof gutter 5a, and by rotating, the inclination angle C of the inclined gutter 5c can be changed. It looks like this.
Specifically, as shown in FIG. 9, a hanging member 50d provided on the outer surface of the bottom of the roof gutter 5a, and a rotation support member 51d screwed to the hanging member 50d by screws b2 having left and right shafts. , and a movable gutter 52d fixed to the rotation support member 51d with screws b3.
The rotation support member 51d rotates with respect to the hanging member 50d by loosening the screw b2, and is prevented from rotating by tightening the screw b2 at a predetermined position.
Further, the rotation support member 51d is inserted inside the movable gutter 52d, and is fixed to the inner side of the movable gutter 52d by a screw b3 screwed in from the outside of the movable gutter 52d.
The movable gutter 52d rotates together with the rotary support member 51d, thereby making it possible to arbitrarily change the inclination angle C of the inclined gutter 5c.

As the movable gutter 52d rotates, the inclination angle C of the inclined gutter 5c can be changed, so as shown in FIGS. By doing so, the vertical gutter 5b arranged on the front side of the column 1 can be arranged on the rear side of the column 1, and can also be arranged with the inclined gutter 5c passing through the passage space S1.

As in this embodiment, in a simple building A in which the roof 3 is tilted by changing the height of the front and rear frames F, the frame F The installation position may be changed from front to back.
In this case, when the erecting position of the frame F is set according to the usage pattern and the height of the front and rear frames F is adjusted by changing the height of the support 1 at this erecting position, the height of the front and rear frames F is adjusted. As a result, the distance between the drainage member 5d and the support column 1 changes.
At this time, by changing the inclination angle C of the inclined gutter 5c according to the height of the frame F and the distance between the drainage member 5d and the support column 1, the inclined gutter 5c and the vertical gutter 5b can be adjusted normally with respect to the support support 1. (not shown).
Further, the inclined gutter 5c is shortened and arranged according to the height of the frame F and the distance between the drainage member 5d and the support 1.

[Configuration of gap hiding material]
The gap concealing material 6 closes and hides the gap S2 generated between the rear end of the roof 3 and the frame B, as shown in FIGS. 1 and 12.

As shown in FIG. 12, the gap concealing material 6 includes a gap concealing cover 6a and a supporting member 6b that supports the gap concealing cover 6a, and the supporting member 6b is fixed to a gap concealing receiver 6c attached to the roof 3. ing.
The gap concealing cover 6a is formed into a plate shape using a flexible rubber material or synthetic resin material, and can be closely attached to the frame B in a curved state.
The gap concealing cover 6a is provided with a fitting part 60a fitted to the support member 6b on the roof side 3 side in the width direction corresponding to the width direction of the gap S2.
The support member 6b is provided with a fitting recess 60b on the upper side into which the fitting part 60a of the gap concealing cover 6a is removably fitted, and an upper surface 60c of the gap concealing receiver 6c below the fitting recess 60b. A positioning portion 61b that engages with is provided.
The positioning part 61b engages with the upper surface 60c of the gap hidden receiver 6c so as to cover it, and a fixed part 60 protruding toward the frame body B is provided on the gap S2 side of the positioning part 61b. There is.
The gap hidden receiver 6c is provided with a gable fixing plate 62c that has an upper surface 60c and projects downward from a mounting surface part 61c that is placed on the roof 3. It is screwed from under the roof with screws b4 while facing the end of the gable 3c attached to the roof.
Further, on the gap S2 side of the gap hidden receiver 6c, a fixing part 61 is provided that protrudes toward the body B side so as to face the fixed part 60 in the vertical direction. The fixed portion 60 is screwed from below the roof 3 with screws b5 in a state facing the fixed portion 60 in the vertical direction.
The gable 3c is screwed from below the roof 3 to a gable mounting plate 3d screwed to the roof 3 with screws b6.

[Installation process of gap concealing material]
Next, a method for attaching the gap concealing material 6 will be explained based on the following attaching process using FIGS. 13 and 14.
First step (installation step of the hidden gap receiver): As shown in FIG. 13, the gable 3c is attached to the hidden gap receiver 6c using screws B4, and the hidden gap receiver 6c is attached to the roof 3.
At this time, the gap hidden receiver 6c is attached to the roof 3 by screwing the gable 3c to the gable attachment plate 3d screwed to the roof 3 from below the roof 3 with screws b6.
Second step (attachment step of gap concealing material) As shown in FIG. 14, first, the gap concealing cover 6a is attached to the support member 6b, and the gap concealing material 6 is passed through the gap S2 from below the roof 3. , lifted above the roof 3 (indicated by solid lines and solid arrows).
Next, the posture of the gap concealing material 6 that has passed is adjusted (indicated by a chain line and a chain line arrow).
Next, the gap concealing material 6, which has been adjusted in its posture, is moved downward and engaged with the gap concealing receiver 6c to position the gap concealing material 6 (indicated by the two-dot chain line and the two-dot chain arrow).
When the gap concealing material 6, which has been adjusted in its posture, is engaged with the gap concealing receiver 6c, the gap concealing cover 6a comes into contact with the frame body B, is curved, and comes into close contact with the frame body B.
When the gap concealing material 6 is positioned, the fixed part 61 of the gap concealing receiver 6c and the fixed part 60 of the gap concealing material 6 face each other in the vertical direction. 60 from below the roof 3 using screws b5 (indicated by two-dot chain lines and two-dot chain arrows).
Through this step, the gap concealing material 6 can be attached to the roof 3 so as to close the gap S2.

[Installation configuration of gap concealing material to side frame]
In this embodiment, as shown in FIGS. 1 and 2, a gap concealing material 6 is provided on the rear side of the roof 3 facing the frame B so as to cover the entire length of the roof 3 in the left and right direction. The position where the material 6 is provided is on the end side of the roof 3 facing the building body B, so if either the left or right end of the roof 3 faces the building body B, the material 6 is installed on either the left or right side of the opposing roof 3. It is on the end side (right side in FIG. 15).
In addition, the frame B may be located so as to face the rear side of the roof 3 and either the left or right end of the roof, and in this case, the mounting position of the gap concealing material 6 is on the rear side of the roof 3. and the left or right end of the roof 3 facing the frame B.

A configuration in which the gap concealing material 6 is attached to the right end side of the roof 3 will be explained based on FIG. 15.
As shown in FIG. 15, the gap concealing material 6 has a side frame 3e, which corresponds to the gable 3c, attached to the right end of the roof 3, and a gap concealing member 6c is attached to the side frame 3e. A hidden material 6 is attached.
The configurations of the gap concealing material 6 and the gap concealing receiver 6c are the same as the gap concealing material 6 and the gap concealing receiver 6c shown in FIGS. 12 to 14.
Therefore, when the gap concealing material 6 is attached to the side frame 3e, the gap concealing cover 6a is curved and tightly attached to the frame B, in the same way as when the gap concealing material 6 is attached to the gable 3c. .
The gap hidden receiver 6c is screwed from under the roof with screws b4, with the gable fixing plate 62c facing the end of the side frame 3e.
Further, the gap concealing material 6 engages with the upper surface 60c of the gap concealing receiver 6c from above, and the fixed part 61 of the gap concealing receiver 6c and the fixed part 60 of the gap concealing material 6 are vertically aligned. They face each other, and in this state, the fixing part 61 and the fixed part 60 are screwed together from below the roof 3 with screws b5.

[Installation process of gap concealing material to side frame]
Next, a method for attaching the gap concealing material 6 to the side frame 3e will be described based on the following attaching process using FIGS. 16 and 17.
First step (installation step of hidden gap receiver): As shown in FIG. 16, the hidden gap receiver 6c is attached to the side frame 3e from under the roof 3 using screws b4.
Second step (attachment step of gap concealing material) As shown in FIG. 17, first, the gap concealing cover 6a is attached to the support member 6b, and the gap concealing material 6 is passed through the gap S2 from below the roof 3. Bring it out above the roof 3 (indicated by solid lines and solid arrows).
Next, the posture of the gap concealing material 6 that has passed is adjusted (indicated by a chain line and a chain line arrow).
Next, the gap concealing material 6, which has been adjusted in its posture, is moved downward and engaged with the gap concealing receiver 6c to position the gap concealing material 6 (indicated by the two-dot chain line and the two-dot chain arrow).
When the gap concealing material 6, which has been adjusted in its posture, is engaged with the gap concealing receiver 6c, the gap concealing cover 6a comes into contact with the frame body B, is curved, and comes into close contact with the frame body B.
When the gap concealing material 6 is positioned, the fixed part 61 of the gap concealing receiver 6c and the fixed part 60 of the gap concealing material 6 face each other in the vertical direction. 60 from below the roof 3 using screws b5 (indicated by two-dot chain lines and two-dot chain arrows).
Through this process, the gap concealing material 6 can be attached to the side frame 3e so as to close the gap S2.

According to the simple building A having the above configuration, as shown in FIGS. 3, 4, and 6, the beam 2 is formed into a rectangular shape with a substantially square cross section, and the lower surface 2a of the beam 2 tapers downward. A beam under cover 4 having a substantially trapezoidal cross section is attached.
That is, the beam 2 and the beam lower cover 4 form an integral shape in which the upper side (beam side) has a substantially square cross section and the lower side (beam lower cover side) has a cross section that tapers downward to a substantially trapezoidal shape. It can be seen as a beam 2, and since the screwed part is hidden by the batten 4c, a good design can be ensured.
Further, by forming the beam 2 into a rectangular shape with a substantially square cross section, a predetermined strength can be ensured with a small cross section.
Further, as shown in FIG. 4, since a space S is formed between the lower surface 2a of the beam 2 and the bottom 40a of the bottom plate 4a of the cover body 40 in the beam lower cover 4, this space S can be used for lighting equipment. It can be used as a space for accommodating lighting equipment and as a space for accommodating wiring for lighting equipment.
That is, by accommodating the lighting equipment and wiring in the space S of the beam under cover 4, the lighting equipment can be provided on the beam 2 without vertically installing the lighting equipment below the beam under cover 4.
Moreover, since the lighting equipment can be provided on the beam 2 without vertically installing the lighting equipment below the beam under cover 4, the overhead height inside the simple building A can be secured.

Normally, it is difficult to install the beam bottom cover 4 because it is attached to the beam 2 which is long in the left and right direction and is located at a high place 2. However, as shown in FIGS. 6 to 8, the beam bottom cover 4 By temporarily placing the cover main body 40 on the upper end surface 100 of the engaged protrusion 10a during the attachment operation in step 4, this attachment operation can be facilitated.
That is, in a normal installation work, the cover body 40 is temporarily placed across a plurality of devices such as a stepladder and then screwed. However, in this embodiment, the engaged projections 10a on the left and right columns 1 Since the cover body 40 can be temporarily placed across the upper end surface 100 and screwed, the cover body 40 can be attached without using a plurality of tools such as a stepladder.
Therefore, the work of attaching the cover body 40 can be performed easily and quickly without using any extra equipment, so that the under-beam cover can be installed easily and quickly.

In the gutter section 5, as shown in FIG. 1, the roof gutter 5a and the drainage member 5d are located at a higher position than the beam 2, and as shown in FIGS. By rotating around the left and right axes, the inclination angle C of the inclined gutter 5c is changed.
That is, as shown in FIGS. 10 and 11, by setting the inclined gutter 5c at an inclination angle that allows it to pass through the passage space S1 from the front to the rear, the vertical gutter 5b arranged on the front side of the column 1 is connected to the column 1. It can be placed on the rear side of the slanted gutter 5c that passes through the passage space S1.
Therefore, the position of the downpipe 5b can be arbitrarily set corresponding to the position of the drain G1.

As shown in FIGS. 12 and 15, the gap concealing material 6 is attached only by screwing from below the roof, so there is no need to screw it to the building frame B side. Accordingly, the gap concealing material 6 can be attached without making a screw hole on the side of the body B.
In addition, in the installation work of the gap concealing material 6, as shown in FIGS. 13 and 14, FIG. 16, and FIG. It can be attached by passing through the gap S2 from below and bringing it out above the roof 3, engaging with the gap hidden receiver 6c to position it, and screwing it from below the roof 3.
That is, since the installation work of the gap concealing material 6 can be performed entirely from below the roof, the installation work of the gap concealing material 6 can be performed easily and quickly.

Although the simple building according to the embodiments of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and may be within the scope of the gist of the present invention. Even if there is a change in the design, it is included in the present invention.

In addition, each of the above-described embodiments can be combined by utilizing each other's technologies unless there is a particular contradiction or problem in the purpose, structure, etc.

A: Simple building B: Frame C: Inclination angle G: Ground G1: Drainage ditch 1: Strut 1a: Strut cover material 1b: Strut cover material 10a: Engaged protrusion 11a: Engaged protrusion 10b: Engaged recess 11b: Engagement protrusion 100: Top surface 2: Beam 2a: Bottom surface 2b: Top surface 3: Roof 3a: Roof panel 30a: Bottom surface 3b: Truss structure 3c: Gable 3d: Gable mounting plate 3e: Side frame F: Frame 4: Beam bottom Cover 40: Cover main body 4a: Bottom plate 4b: Side wall 4c: batten 40a: Bottom part 40b: Fixed plate 41b: Engagement part 40c: Engaged part 400: Locking convex part 401: Locked convex part 5: Gutter part 5a: Roof gutter 5b: Vertical gutter 5c: Inclined gutter 5d: Drainage member 50a: Drain pipe 50b: Drain port 50d: Hanging member 51a: Water collector 51d: Rotation support member 52d: Movable gutter 6: Gap hiding material 6a: Gap Hidden cover 6b: Support member 6c: Hidden gap receiver 60: Fixed part 60a: Fitting part 60b: Fitting recess 60c: Top surface 61: Fixed part 61b: Positioning part 61c: Placement surface part 62c: Gable fixing plate S: Space Part S1: Passage space S2: Gap b1: Screw b2: Screw b3: Screw b4: Screw b5: Screw b6: Screw

Claims (2)

comprising a pillar, a beam having a rectangular cross section and fixed to the upper end of the pillar, and a beam lower cover attached to the lower surface of the beam,
The beam bottom cover is screwed directly to the bottom surface of the beam , and includes a cover body that covers only the bottom surface of the beam .
and a batten engaged with a side wall of the cover body so as to cover the screw fixing part,
A simple building characterized in that a space is formed between the lower surface of a beam and the bottom plate of a cover under the beam. comprising a pillar, a beam having a rectangular cross section and fixed to the upper end of the pillar, and a beam lower cover attached to the lower surface of the beam,
The beam lower cover includes a cover body screwed to the lower surface of the beam, and a batten engaged with a side wall of the cover body so as to cover the screwed part,
The side wall is inclined in the direction in which the screwed part is exposed from the bottom,
A simple building characterized in that a space is formed between the lower surface of a beam and the bottom plate of a cover under the beam.

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