JP6197256B2 - Drainage structure - Google Patents

Description

  The present invention relates to a drainage groove structure in which a grating is covered at the opening of the drainage groove and a grating used in the drainage groove structure.

  2. Description of the Related Art Conventionally, a drainage groove structure in which a grating is covered at an opening of a drainage groove has been widely used.

  In the conventional grating, a plurality of vertical bearing bars extending linearly in the width direction of the opening of the drainage groove, and a plurality of vertical bearing bars extending linearly in the longitudinal direction (extension direction) of the opening of the drainage groove. The crossbars are connected to each other, and vertical end bars extending linearly in the longitudinal direction (extending direction) of the opening of the drainage groove are attached to both ends of the plurality of bearing bars.

  Conventionally, a step portion having a vertical surface and a horizontal surface is formed in the opening portion (left and right upper edge portions) of the drainage groove, and an end bar is placed on the step portion, so that the grating is formed in the opening portion of the drainage groove. The floor surface and the upper end surface of the grating are arranged on the same plane.

JP 2011-63962 A

  However, in the conventional grating described above, the width of the drainage groove step portion (the width between the vertical surfaces of the left and right step portions) is narrower so that it can be easily installed in the opening portion (step portion) of the drainage groove. The gap needs to be formed in a width, and when installed in the drainage groove, a gap was formed between the vertical surface of the stepped portion of the drainage groove and the end bar of the grating.

  Therefore, in the conventional grating, dust or the like is clogged in the gap formed between the vertical surface of the drain groove step and the end bar of the grating, and it is difficult to remove the grating from the drain groove and clean the drain groove. In addition, clogged dust and the like may corrode, which has been a problem in terms of hygiene in food manufacturing factories and the like.

Accordingly, in the present invention according to claim 1, in the drainage groove structure in which the grating is covered on the receiving frame of the opening of the drainage groove, the upper side of the receiving frame is narrowed in an inclined manner downward, and the support bearing for the grating the upper end of the bar with a triangular shape is narrow in the inclined downward, the upper end of the upper portion of the grating on the side supporting bearing bar receiving frame is supported in contact with, the opening of the drainage grooves In the state where the grating is covered on the receiving frame, the upper end surface of the support bearing bar of the grating is positioned above the upper end surface of the receiving frame, and the vertical downward linear shape is hung down to the lower side of the receiving frame with the same width. to form a guide portion, to form a vertical downward straight guide surface on the lower side is suspended in the width of the end portion of the support bearing bars grating, the guide portion of the lower side and the grating of the receiving frame And that a structure is brought into contact with the lower side of the guide surface of the end portion of the lifting bearing bars.

  And in this invention, there exists an effect described below.

  That is, in the present invention, when covering the grating to the drainage groove, it will be guided by the guide part of the opening of the drainage groove, and the grating can be easily attached to the regular position of the drainage groove, Workability can be improved. In addition, after the grating is laid on the drainage groove, the grating is shifted to the left or right or detached from the drainage groove because the guide surface of the support bearing bar and the guide part of the opening of the drainage groove are in contact with each other. Can be prevented and safety can be improved.

The perspective sectional view showing the drainage groove structure concerning the 1st example. FIG. The front view (a) and the front partial enlarged view (b). The right side view. The front view (a) which shows the drainage groove | channel structure which concerns on 2nd Example, The same front partial enlarged view (b). The top view (a), the same right view (b), and the same front view (c) which show the drainage groove structure concerning 3rd Example.

  Below, the drainage groove structure according to the present invention, the grating used in the drainage groove structure, and the specific configuration of the drainage groove will be described with reference to the drawings. In the present invention, in the drainage groove structure in which the grating is covered at the opening of the drainage groove, the opening of the drainage groove is narrowed in an inclined manner downward, and the end of the support bearing bar of the grating is directed downward. The end of the grating support bearing bar is in contact with and supported by the opening of the drainage groove.

[First embodiment]
1 to 4 are views showing a concrete structure of a drainage groove structure and a grating used in the drainage groove structure and the drainage groove according to the first embodiment of the present invention.

  As shown in FIG. 1, one or more gratings 1 are placed side by side in an opening 4 of a drainage groove 3 formed on a concrete floor 2 such as a building. Here, the drainage groove 3 is formed to extend linearly, and when the extension direction (longitudinal direction) is the front-rear direction, the left and right side surfaces of the opening 4 (upper edge portion of the drainage groove 3) are directed downward. By forming it in an inclined shape, the opening 4 is narrowed in an inclined shape downward. A metal receiving frame 6 having a pair of left and right side surfaces 5 inclined downward is attached to the opening 4 of the drainage groove 3. A side surface 5 (inner side surface) of the receiving frame 6 is an inclined surface of the opening 4 of the drainage groove 3 and serves as a support portion that supports the grating 1.

  As shown in FIGS. 2 to 4, the grating 1 includes a metal support bearing bar 7, a gap bearing bar 8, and a cross bar 9, and a plurality of support bearing bars 7, a gap bearing bar 8, The support bearing bar 7 and the gap bearing bar 8 are connected by a cross bar 9 which is arranged in parallel with a gap in the front and rear direction and in parallel with a gap in the left and right direction. Note that the material, number, thickness, and the like of the support bearing bar 7, the gap bearing bar 8, and the cross bar 9 are appropriately selected according to the strength and the like.

  The support bearing bar 7 has a trapezoidal shape extending in the left-right width direction when viewed from the front, and the horizontal width of the horizontal upper end surface (upper bottom of the trapezoid) is the horizontal width of the lower end surface of the horizontal (trapezoidal). A triangular (acute angle) support surface 10 is formed on each of the left and right end portions so as to incline in a narrow width downward. The support surface 10 has the same inclination as the opening 4 of the drainage groove 3, and the inclined surface of the opening 4 (the side surface 5 (inner surface) of the receiving frame 6) with the grating 1 covered with the opening 4. ) In close contact. Thus, the grating 1 is supported by the end portion (support surface 10) of the support bearing bar 7. Note that the left and right support surfaces 10 (inclined surfaces of the opening 4) are symmetrically inclined toward the inside (the same inclination angle), and the grating 1 is placed on the opening 4 from above. The grating 1 can be installed horizontally in the opening 4.

  The gap bearing bar 8 has a trapezoidal shape extending in the left-right width direction when viewed from the front, and the horizontal width of the horizontal upper end surface (upper bottom of the trapezoid) is the horizontal width of the lower end surface of the horizontal (trapezoidal). A triangular (acute angle) guide surface 11 is formed on each of the left and right end portions so as to incline in a narrow shape downward. The clearance bearing bar 8 is arranged such that the upper end surfaces of the clearance bearing bar 7 are at the same height (above the floor surface 2). The lateral width of the lower end surface of the gap bearing bar 8 is shorter than the lateral width of the lower end surface of the support bearing bar 7. The guide surface 11 of the gap bearing bar 8 forms a constant gap 12 with the opening 4 at the same inclination as the opening 4 of the drainage groove 3. Note that the heights of the upper end surfaces of the support bearing bar 7 and the gap bearing bar 8 may be the same height as the floor surface 2.

  The cross bar 9 has a rectangular shape extending in the front-rear direction in a side view, and is attached to the lower part of the support bearing bar 7 and the gap bearing bar 8.

  The grating 1 is configured as described above, and is installed in the opening 4 by being placed on the opening 4 of the drainage groove 3 from above.

  When the grating 1 is installed in the opening 4 of the drainage groove 3, as shown in FIG. 3 (b), the support bearing bar 7 is provided on the inclined surface of the opening 4 (receiving frame 6) of the drainage groove 3. The ends abut and the grating 1 is supported horizontally, and is directed toward the inside of the drainage groove 3 between the inclined surface of the opening 4 (receiving frame 6) of the drainage groove 3 and the end of the gap bearing bar 8. An inclined gap 12 is formed.

  When the grating 1 is installed in the opening 4 of the drainage groove 3, the upper end surface of the support bearing bar 7 and the upper end surface of the gap bearing bar 8 are from the floor surface 2 as shown in FIG. Is also located above.

  Therefore, dust or the like flowing together with the drainage from the floor surface 2 toward the drainage groove 3 collides with the end of the gap bearing bar 8 at the opening 4 of the drainage groove 3, and then the gap 12 by the guide surface 11 of the gap bearing bar 8. And flow into the drainage groove 3 through the gap 12.

  As described above, the grating 1 includes a support bearing bar 7 that supports the grating 1 with its end abutting against the opening 4 of the drain groove 3 narrowed downward in an inclined manner, and the drain groove. 3, a gap bearing bar 8 whose end is narrowed in an inclined manner so as to form a gap 12 between the opening 4 and a cross connecting the support bearing bar 7 and the gap bearing bar 8. It consists of a bar 9.

  Therefore, in the grating 1 having the above configuration, dust or the like can flow into the drainage groove 3 from the gap 12 formed between the opening 4 of the drainage groove 3 and the gap bearing bar 8, and the opening 4 of the drainage groove 3. And the left and right ends of the grating 1 can be prevented from becoming clogged with dust. Thereby, the grating 1 can be easily attached and detached from the opening 4 of the drainage groove 3, and the drainage groove 3 can be easily cleaned. Further, dust or the like does not remain and corrode at the end of the grating 1, and even if the grating 1 is used for the drainage groove 3 of a food manufacturing factory or the like, it can be made hygienic.

  Further, the gap bearing bar 8 of the grating 1 is formed such that the upper end surface of the end of the gap bearing bar 8 is located above the floor 2 in a state where the grating 1 is covered with the opening 4 of the drainage groove 3. doing.

  Therefore, in the grating 1 configured as described above, dust or the like can be guided downward at the end of the gap bearing bar 8, and dust or the like is formed between the opening 4 of the drainage groove 3 and the gap bearing bar 8. The drainage groove 3 can flow more smoothly from the gap 12 formed.

  Further, the gap bearing bar 8 of the grating 1 is formed such that the lower end surface of the end of the gap bearing bar 8 is positioned above the support bearing bar 7.

  Therefore, in the grating 1 having the above-described configuration, the lower part of the gap 12 between the opening 4 of the drainage groove 3 and the end of the gap bearing bar 8 can be widened. 3 can be made to flow more smoothly through the drainage groove 3 from the gap 12 formed between the opening 4 of the gap 3 and the gap bearing bar 8.

[Second Embodiment]
FIG. 5 is a view showing a concrete structure of the drainage groove structure and the grating used in the drainage groove structure and the drainage groove according to the second embodiment of the present invention. In the description of the second embodiment, differences from the first embodiment will be particularly described, and description of the same configuration (function) as that of the first embodiment will be omitted.

  As shown in FIG. 5, in the drainage groove structure according to the second embodiment, an inclined support surface 10 that is narrowed downward is formed on the upper side of the left and right end portions of the support bearing bar 7 of the grating 1. At the same time, a vertically downward linear guide surface 13 is formed on the lower side of the left and right end portions so as to hang downward with the same width. Further, in the drainage groove structure according to the second embodiment, an inclined side surface 5 (support portion) narrowed downward is formed on the upper side of the pair of left and right receiving frames 6 of the drainage groove 3, and a pair of left and right A vertically downward straight side surface 14 (guide portion) is formed on the lower side of the receiving frame 6 so as to hang downward with the same width.

  In the drainage groove structure according to the second embodiment, the support surface 10 at the left and right ends of the support bearing bar 7 of the grating 1 and the side surface 5 (support part) of the receiving frame 6 of the drainage groove 3 are brought into contact with each other. The grating 1 is supported by the opening 4 of the groove 3, and in this state, the guide surface 13 at the left and right end portions of the support bearing bar 7 and the side surface 14 (guide portion) of the receiving frame 6 of the drain groove 3 are in contact with each other. Yes.

  As a result, when the grating 1 is covered with the drainage groove 3, the grating 1 is guided by the guide portion (side surface 14) of the opening 4 of the drainage groove 3. It can be easily attached and workability can be improved. In addition, after the grating 1 is covered with the drainage groove 3, the guiding surface of the support bearing bar 7 and the guide part (side surface 14) of the opening 4 of the drainage groove 3 are brought into contact with each other. Can be prevented from shifting to the right or left or coming off the drainage groove 3, and safety can be improved.

[Third embodiment]
FIG. 6 is a view showing a specific structure of the drainage groove structure and the grating used in the drainage groove structure and the drainage groove according to the third embodiment of the present invention. In the description of the third embodiment, differences from the first embodiment or the second embodiment will be described, and those having the same configuration (function) as the first embodiment or the second embodiment will be described. Is omitted.

  As shown in FIG. 6, in the drainage groove structure according to the third embodiment, only the support bearing bars 7 are arranged in parallel at intervals in the front-rear direction, and a cross bar 9 is attached to the upper side of the support bearing bar 7. .

  In the drainage groove structure according to the third embodiment, the plurality of support bearing bars 7 are held in the state of being spaced apart by the cross bar 9 and the load applied to the grating 1 by the plurality of support bearing bars 7 is maintained. I try to receive it in a distributed manner.

  As described above, in the first and second embodiments, the cross bar 9 is attached to the lower side of the support bearing bar 7 and the gap bearing bar 8, but the cross bar 9 is provided to the upper side of the support bearing bar 7. It is good also as a structure attached. In the third embodiment, the upper end surfaces of the support bearing bar 7 and the cross bar 9 have the same height. However, the present invention is not limited to this, and the upper end surfaces of the support bearing bar 7 and the cross bar 9 may have different heights. Good. In the third embodiment, the gap bearing bar 8 is not provided. However, the present invention is not limited to this, and the support bearing bar 7 and the gap bearing bar 8 may be provided. Further, as in the second embodiment, a guide surface 13 may be formed on the support bearing bar 7 and a side surface 14 (guide portion) may be formed on the receiving frame 6.

  In the first to third embodiments, the receiving frame 6 is attached to the opening 4 of the drainage groove 3, but the support part and the guide part are integrated with the opening 4 of the drainage groove 3 without providing the receiving frame 6. You may use the drainage groove | channel 3 made into the shape of the opening formed in.

DESCRIPTION OF SYMBOLS 1 Grating 2 Floor surface 3 Drainage groove 4 Opening part 5 Side surface 6 Receiving frame 7 Support bearing bar 8 Gap bearing bar 9 Cross bar 10 Support surface
11 Guide surface 12 Gap
13 Guide surface 14 Side

Claims (1)

In the drainage groove structure that covers the grating on the receiving frame of the drainage groove opening,
The upper side of the receiving frame is narrowed in an inclined manner downward, and the upper side of the end portion of the support bearing bar of the grating is inclined downward in a slanting manner to make a triangular shape, and the grating is formed on the upper side of the receiving frame. The upper end of the end of the support bearing bar is abutted and supported, and the upper end surface of the end of the support bearing bar of the grating is positioned above the upper end surface of the receiving frame with the grating covering the receiving frame of the opening of the drainage groove. A vertically downward linear guide portion is formed at the lower side of the receiving frame with the same width, and vertically downward with the same width at the lower portion of the end of the support bearing bar of the grating. A drainage groove structure characterized in that the guide surface on the lower side of the receiving frame and the guide surface on the lower side of the end portion of the supporting bearing bar of the grating are in contact with each other.

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