JP2019019501A - Fixing tool and establishment object structure - Google Patents

Abstract

To provide an improved fixing tool for establishment of an establishment object onto an installation surface having steps.SOLUTION: A fixing tool 100 for establishment of an establishment object onto an installation surface 10 having steps comprises a base part 200 supporting the establishment object. The base part 200 comprises a first bottom 211 directed to the installation surface 10 and a second bottom 231 directed to the installation surface 10. The second bottom 231 is configured to be parallel with the first bottom 211 at a position apart from the first bottom 211 in vertical direction to the first bottom 211.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a fixture for installing an installation object such as a solar cell module on an installation surface having a level difference, and an installation object structure including the fixture and the installation object.

  In recent years, a panel such as a solar cell module may be installed on an installation surface such as a roof of a building. Slate is known as one of the roofing materials. In the slate roof, a plurality of rectangular slate is laid from the ridge toward the eaves. Moreover, in the slate adjacent to the flow direction (the direction from the ridge toward the eave), the eave side end of the slate on the ridge side overlaps the ridge side end of the slate on the eave side.

  The following Patent Document 1 discloses a method of installing a roof arrangement facility such as a solar cell panel or a water heater on such a slate roof. Specifically, a plurality of mounting bases for mounting the roof arrangement facility are fixed to the slate roof via a waterproof plate. A part of the waterproof board is inserted between two roof materials stacked one above the other. The mounting base and the waterproof plate are fixed to the rafter and the base plate by screws.

  The plurality of mounting bases are arranged at intervals in the flow direction and the girder direction. A support member that supports the roof layout facility is disposed over a plurality of mounting bases arranged in the girder direction. A plurality of the support members are arranged in the flow direction. The roof arrangement facility is held so as to be sandwiched between a pair of support members arranged in the flow direction.

Japanese Patent No. 5888580

  The mounting base described in Patent Document 1 is fixed to the slate roof via a waterproof plate. The waterproof board is disposed on a flat portion of the slate roof, and a part of the waterproof board is inserted between two roof materials stacked one above the other. Therefore, the installation position of the waterproof board is limited to the flat part of the roof. Therefore, the installation position of the mounting base is also limited to the flat portion of the roof.

  Therefore, an improved fixture for installing an object to be installed on an installation surface having a step is desired.

  The fixture for installing an installation object on the installation surface which has the level | step difference which concerns on one aspect | mode has a base part which supports the said installation object. The base has a first bottom surface facing the installation surface and a second bottom surface facing the installation surface. The second bottom surface is configured in parallel with the first bottom surface at a position away from the first bottom surface in a direction perpendicular to the first bottom surface.

  An installation object structure according to one aspect includes the fixture described above and an installation object fixed by the fixture.

  According to the said aspect, a to-be-installed object can be attached to the installation surface which has a level | step difference.

It is a schematic diagram of the panel structure which concerns on 1st Embodiment. It is sectional drawing of the panel structure body along the 2A-2A line | wire of FIG. It is a side view of the columnar member and fixture which concern on 1st Embodiment. It is a side view of the fixing tool concerning a 1st embodiment. It is a perspective view of the fixing tool concerning a 1st embodiment. It is a top view of the fixture concerning a 1st embodiment. It is the perspective view seen from the lower part of the fixing tool concerning a 1st embodiment. It is a perspective view of the base which concerns on 1st Embodiment in the state installed in the installation surface. It is a disassembled perspective view of the base which concerns on 1st Embodiment. It is a perspective view of the base which concerns on 2nd Embodiment in the state installed in the installation surface. It is a disassembled perspective view of the base which concerns on 2nd Embodiment. It is a perspective view of the base which concerns on 3rd Embodiment in the state installed in the installation surface. It is a disassembled perspective view of the base which concerns on 3rd Embodiment.

  Hereinafter, embodiments will be described with reference to the drawings. In the following drawings, the same or similar parts are denoted by the same or similar reference numerals. However, it should be noted that the drawings are schematic and ratios of dimensions and the like may differ from actual ones.

(1) First Embodiment FIG. 1 is a schematic view of a panel structure according to a first embodiment. FIG. 2 is a cross-sectional view of the panel structure taken along line 2A-2A in FIG. The panel structure includes at least one panel 20 and a panel fixing structure that fixes the panel 20 to the installation surface 10. The panel fixing structure may include a columnar member 120 that comes into contact with a side surface of at least one panel 20 and a fixing tool 100 for installing at least one panel 20 on the installation surface 10. The panel 20 may be a solar cell module, for example.

  In the present embodiment, the installation surface 10 may be an inclined roof. In the present specification, the direction from the higher side to the lower side along the maximum inclination line in the inclined roof is referred to as “flow direction F1”. The upstream side in the flow direction F1 is referred to as “water-side”. The downstream side in the flow direction F1 is referred to as “underwater”. A direction perpendicular to the flow direction F1 and along the roof surface is referred to as a “lateral direction F2”.

  In this embodiment, the roof of the building is a slate roof in which a plurality of slate 12 is spread as a roofing material. The plurality of slate 12 provided on the roof may be arranged in the flow direction F1 and the lateral direction F2. Note that the slate 12 adjacent to each other in the flow direction F1 is partially overlapped, thereby forming a step on the surface of the slate roof. The building is not particularly limited, but may be a house, for example.

  FIG. 3 is a side view of the columnar member 120 and the fixture 100 according to the first embodiment. FIG. 4 is a side view of the fixture 100 according to the first embodiment. FIG. 5 is a perspective view of the fixture 100 according to the first embodiment. FIG. 6 is a top view of the columnar member 120 and the fixture 100 according to the first embodiment. FIG. 7 is a perspective view of the fixture 100 according to the first embodiment as viewed from below.

  The columnar member 120 extends longer than the fixture 100 along one direction, in this embodiment, the lateral direction F2. The columnar member 120 may be supported by at least two fixtures 100. The columnar member 120 is held on the fixture 100.

  In the present embodiment, a plurality of panels 20 are provided and may be arranged in the flow direction F1 and the horizontal direction F2. Alternatively, the plurality of panels 20 may be arranged in at least one of the flow direction F1 and the lateral direction F2. Furthermore, the panel 20 may be one. Each panel 20 may be disposed between a pair of columnar members 120 adjacent to each other in the flow direction F1.

  The plurality of columnar members 120 may have the same structure except for two arranged at both ends (most water side and most water side) in the flow direction F1. Further, the two columnar members 120 disposed at both ends may have the same structure as the columnar members 120 disposed at both ends.

  The columnar member 120 has a held portion 124 that is held by the fixture 100. The columnar member 120 may have a first loading surface 126a on which at least the underwater panel 20 of the two panels 20 adjacent to each other in the flow direction F1 is loaded. In the present embodiment, the second loading surface 126b on which the upper panel 20 of the two panels 20 adjacent to each other in the flow direction F1 is loaded is formed on the fixture 100. Instead, the second stacking surface 126b may be formed on the columnar member 120. That is, the columnar member 120 only needs to be configured so that at least one of the adjacent panels 20 can be stacked.

  The columnar member 120 may include a side contact portion 128 that is disposed at a position that partitions the first stacking surface 126a and the second stacking surface 126b. The side contact portion 128 may be disposed between the pair of panels 20 stacked on the first stacking surface 126 a and the second stacking surface 126 b and configured to contact the side surfaces of the pair of panels 20.

  The columnar member 120 may have a flange 129. The flange 129 protrudes in the flow direction F1 from the upper part of the side contact portion 128 so as to cover the end portions of the upper surfaces of the pair of panels 20 stacked on the first stacking surface 126a and the second stacking surface 126b.

  The fixture 100 may include a support member 110 that can support at least one panel 20 and a base portion 200 that supports the support member 110. In the present embodiment, the support member 110 directly supports one of the panels 20 adjacent to each other and supports the other of the panels 20 adjacent to each other via the columnar member 120. Instead of this, the support member 110 may be configured to directly support both of the panels 20 adjacent to each other, or may be configured to support both of the panels 20 adjacent to each other via the columnar member 120. Good. Note that the support member 110 and the base portion 200 may be fastened to each other by the second fastening member 130.

  The base 200 is configured to support an object to be installed such as the panel 20 or the columnar member 120. In the present embodiment, the base portion 200 is configured to support the object to be installed via the support member 110 that can support the object to be installed. Instead, the base 200 may be configured to directly support an object to be installed.

  The fixture 100 may have first insertion holes 240 a and 240 b through which the first fastening member 140 for fastening the fixture 100 to the installation surface 10 is inserted. The first insertion holes 240 a and 240 b may be provided in the base part 200. The fixing tool 100 can be fixed to the installation surface 10 by fastening the base 200 to the installation surface 10 with the first fastening member 140. In the present embodiment, it is preferable that the first fastening member 140 reaches the rafter 16 through the first insertion holes 240a and 240b of the base portion 200 and the field board 14.

  The base portion 200 preferably has waterproof members 228 and 248 at least in the region where the first insertion holes 240a and 240b are formed on the surface facing away from the support member 110. The waterproof members 228 and 248 may be sheets made of an elastic member, for example. In the drawing, the waterproof members 228 and 248 are drawn thick, but the waterproof members 228 and 248 may be thinner.

  FIG. 8 is a perspective view of the base 200 according to the first embodiment in a state of being installed on the installation surface 10. FIG. 9 is an exploded perspective view of the base 200 according to the first embodiment. Hereinafter, a more detailed configuration of the base 200 will be described with reference to FIGS.

  The base 200 has a first bottom surface 211 facing the installation surface 10 and a second bottom surface 231 facing the installation surface 10. The second bottom surface 231 is configured in parallel to the first bottom surface 211 at a position away from the first bottom surface 211 in a direction perpendicular to the first bottom surface 211. More specifically, the difference in height between the first bottom surface 211 and the second bottom surface 231 corresponds to the size of the step on the installation surface 10, in this embodiment, the thickness of the slate 12. Thereby, the base 200 can be installed at the level difference of the installation surface 10 as shown in FIG.

  Moreover, the 1st bottom face 211 and the 2nd bottom face 231 may be formed in step shape in both of these. More specifically, the step portion between the first bottom surface 211 and the second bottom surface 231 may be configured in a straight line. Thereby, the base 200 can be disposed in close contact with the stepped portion of the installation surface 10. Therefore, it becomes difficult to form a gap between the base portion 200 and the installation surface 10, and the waterproof property can be improved.

  In addition, the base 200 may include a first member 210 including the first bottom surface 211 and a second member 230 including the second bottom surface 231. The second member 230 is preferably configured to be detachable from the first member 210. In this case, when the base portion 200 is disposed on the stepped portion of the installation surface 10, both the first member 210 and the second member 230 are used. Instead, when the base 200 is disposed on the flat portion of the installation surface 10, only one of the first member 210 and the second member 230 may be fixed to the installation surface 10. In this way, there is no need to separately prepare a fixture dedicated to the step portion of the installation surface 10 and a fixture dedicated to the flat portion of the installation surface 10. Therefore, the fixture 100 with high versatility can be provided.

  In particular, when the panels 20 such as solar cell modules are arranged in an array, the distance between the plurality of fixtures 100, particularly the distance in the flow direction F1, is not the length of the roof material such as the slate 12, but the panel 20 It is largely determined by the length. Therefore, it may be difficult to place the fixture 100 on the flat portion of the installation surface 10, and the fixture 100 may be located on the step portion of the installation surface 10. Even in such a case, there is an advantage that it is not necessary to separately prepare a fixture dedicated to the stepped portion and a fixture dedicated to the flat portion before the construction.

  The first member 210 of the base 200 may have a first support that can support the support member 110, and the second member 230 of the base 200 may have a second support that can support the support member 110. . Preferably, each of the first support portion and the second support portion includes a first rail 212 and a second rail 232 configured to support the support member 110 so as to be slidable. Thereby, the position which supports the supporting member 110 can be adjusted suitably. Further, even when only one of the first member 210 and the second member 230 is used alone, the support member 110 can be supported.

  Preferably, the second rail 232 is configured to be connected to the first rail 212 when the second member 230 is attached to the first member 210. For example, the first rail 212 and the second rail 232 may extend in the flow direction F1 so as to hold the support member 110 slidably in the flow direction F1. Although the length of the rails 212 and 232 in the sliding direction of the support member 110 is not particularly limited, the rails 212 and 232 connected to each other may extend from one end of the base 200 to the other end.

  The first member 210 may have a pair of first side wall portions 214 erected upward on both side portions in the lateral direction F2. Similar to the first rail 212, the first side wall portion 214 may extend in the flow direction F1. The height of the first side wall portion 214 is preferably substantially the same as the height of the first rail 212. In this case, the support member 110 is supported by the upper surface of the first rail 212 and the upper surfaces of the pair of first side wall portions 214.

  Moreover, the 2nd member 230 may have a pair of 2nd side wall part 234 standingly arranged upwards in the both sides in the horizontal direction F2. The second side wall portion 234 may extend in the flow direction F1 like the second rail 232. The height of the second side wall portion 234 is preferably substantially the same as the height of the second rail 232. In this case, the support member 110 is supported by the upper surface of the second rail 232 and the upper surfaces of the pair of second side wall portions 234. Furthermore, when the second member 230 is attached to the first member 210, the height level of the first rail 212 is preferably substantially the same as the height level of the second rail 232. In other words, when the second member 230 is attached to the first member 210, the upper surface of the first rail 212 and the upper surface of the second rail 232 are preferably flush with each other.

  The second fastening member 130 includes a main body 131 that extends between the base 200 and the support member 110, and a head 132 that is connected to the main body 131 and has a diameter larger than the diameter of the main body 131. Good. In a specific example, the second fastening member 130 may include a bolt and a nut. In this case, the main body 131 is constituted by a threaded portion of a bolt. The head 132 includes a head formed integrally with the threaded portion of the bolt and / or a nut configured to be detachable from the threaded portion. In the present embodiment, the head 132 of the second fastening member 130 may be disposed in the first rail 212 and the second rail 232. The first rail 212 has a first opening 213 that is larger than the diameter of the main body 131 and smaller than the diameter of the head 132 disposed in the first rail 212 and the second rail 232. Similarly, the second rail 232 has a second opening 233 that is larger than the diameter of the main body 131 and smaller than the diameter of the head 132 arranged in the first rail 212 and the second rail 232.

  The first opening 213 and the second opening 233 extend along the sliding direction of the support member 110. When the second member 230 is attached to the first member 210, the first opening 213 and the second opening 233 are connected to each other.

  The main body 131 of the second fastening member 130 extends upward through the first opening 213 and the second opening 233 and passes through the second insertion hole 116 formed in the support member 110. With such a configuration, the support member 110 is slidable between the first member 210 and the second member 230 by loosening the second fastening member 130. Note that when the second fastening member 130 is strongly fastened, the support member 110 is fixed to the base portion 200 so that it cannot slide with respect to the base portion 200.

  The first insertion holes 240a and 240b are preferably provided on both sides of the first rail 212 and the second rail 232, respectively. Further, the first insertion hole 240a is near the end of the first member 210 opposite to the connecting portion between the first rail 212 and the second rail 232, preferably within 5 cm from the end, and more preferably It is provided within a range of 3 cm from the end. In addition, the first insertion hole 240b is near the end of the second member 230 opposite to the connecting portion between the first rail 212 and the second rail 232, preferably within 5 cm from the end, and more preferably It is provided within a range of 3 cm from the end. Thereby, the base 200 can be firmly fastened so that the first rail 212 and the second rail 232 do not tilt during construction. The first insertion holes 240a and 240b are formed in the first member 210 and the second member 230, respectively.

  Preferably, the first rail 212 and the second rail 232 are not provided with an insertion hole through which a fastening member for fastening the base 200 to the installation surface 10 is inserted. As a result, the head 132 of the second fastening member 130 in the rail 212 does not come into contact with another fastening member, so the sizes of the first rail 212 and the second rail 232 in the height direction and the lateral direction F2 are reduced. Can be small. By reducing the size of the first rail 212 and the second rail 232, the size of the fixture 100 as a whole can be reduced.

  The second fastening member 130 is configured to be accessible from the direction intersecting the installation surface 10 in a state where the support member 110 supports one panel 20, in this embodiment, the underwater panel 20. As a specific example, the second fastening member 130 is provided on one side, in this embodiment, on the water side in the state where the support member 110 holds the columnar member 120. In the state where the water-side panel 20 is loaded on the first loading surface 126a but the water-side panel 20 is not loaded on the second loading surface 126b, the second fastening member 130 is placed on the installation surface 10. It is accessible from the crossing direction.

  The second member 230 may include a lower support portion 235 that supports the first member 210 from below, and an upper support portion 236 that supports the first member 210 from above. In this case, a part of the first bottom surface 211 of the first member 210 is placed on the lower support portion 235. In this state, the upper support portion 236 is configured to hold a part of the first member 210 from above. Thereby, even when a local force is applied to the object to be installed, the first member 210 can be prevented from floating from the second member 230.

  The thickness from the second bottom surface 231 of the second member 230 to the lower support portion 235 of the second member 230 is preferably substantially the same as the height of the step forming the installation surface 10, for example, the thickness of the slate 12. . Thus, when the second member 230 is placed on the lower portion of the stepped portion of the installation surface 10, the lower support portion 235 of the second member 230 and the higher portion of the stepped portion of the installation surface 10 are It will be the same. Thereby, the first member 210 can be stably placed on the lower support portion 235 of the second member 230. Furthermore, when the first member 210 is placed on the lower support portion 235 of the second member 230, the upper surface of the first rail 212 and the upper surface of the second rail 232 are preferably flush with each other.

  In the present embodiment, as a specific example, the lower support portion 235 is near the center portion in the lateral direction F2, more specifically, near the root of the second rail 232, and near the root of the pair of second side wall portions 234. Is arranged. Moreover, the upper side support part 236 may be comprised by the wall part which protruded to the inner side of the horizontal direction F2 from a pair of 2nd side wall part 234. FIG. The first member 210 may have a protruding portion 216 that protrudes outward in the lateral direction F2 from the first side wall portion 214. In this case, the protruding portion 216 may be disposed below the upper support portion 236 of the second member 230. According to this configuration, since the first member 210 is pressed from above by the upper support portion 236 in the vicinity of the outer portion in the lateral direction F2, the first member 210 can be further prevented from rising.

  Next, an example of a specific configuration of the support member 110 will be described in more detail. The support member 110 includes a lower portion 112 having a second insertion hole 116 through which the second fastening member 130 is inserted, and an upper portion 111 positioned above the lower portion 112. The upper portion 111 is configured to contact the columnar member 120.

  The upper part 111 may have a holding part 114 that holds the held part 124 of the columnar member 120. In the present embodiment, the holding portion 114 is configured by a recess that can receive the held portion 124 of the columnar member 120. The dent which comprises the holding | maintenance part 114 may be extended from the end to the end in the horizontal direction F2. Thereby, the to-be-held part 124 of the columnar member 120 can be slid and fitted in the recess which comprises the holding part 114 from the horizontal direction F2.

  When viewed from the sliding direction of the support member 110 along the rail 212, the first member 112a of the lower portion 112 located on the extension line of the first fastening member 140 inserted through the first insertion hole 240a on the water side is the second insertion. It is preferable that the second member 112b of the lower part 112 in which the hole 116 is formed is recessed away from the first insertion hole 240a on the water side. More preferably, the water-side tip of the second member 112b of the lower portion 112 is positioned so as to overlap the second fastening member 130 as viewed from the lateral direction F2, or located below the second fastening member 130. Thereby, even if the support member 110 is slid to the water side, the support member 110 can be prevented from covering the first fastening member 140 and the first insertion hole 240a. Further, even if the top portion of the first fastening member 140 inserted through the first insertion hole 240a is at a higher position than the top portion of the first side wall portion 214, a large range of sliding movement of the support member 110 is ensured. Can do.

  The support member 110 may have the second stacking surface 126b configured to support the panel 20 as described above. The second loading surface 126b may be configured by a portion that continuously protrudes from the upper portion 111 toward the first fastening member 140. Specifically, the second stacking surface 126b is provided outside the region where the first fastening member 140 and the second fastening member 130 are provided in the direction intersecting the first rail 212 and the second rail 232. Thereby, even if the second loading surface 126b extends toward the water side, the second loading surface 126b can be prevented from covering the first fastening member 140 and the second fastening member 130.

(2) Second Embodiment Next, a base portion according to a second embodiment will be described with reference to FIGS. 10 and 11. FIG. 10 is a perspective view of the base according to the second embodiment in a state where it is installed on the installation surface. FIG. 11 is an exploded perspective view of the base according to the second embodiment. In addition, about the structure similar to 1st Embodiment, the same code | symbol is attached | subjected and the description may be abbreviate | omitted.

  In the second embodiment, as in the first embodiment, the second member 230 includes a lower support portion 235 that supports the first member 210 from below, and an upper support portion 336 that supports the first member 210 from above. You may have. In this case, a part of the first bottom surface 211 of the first member 210 is placed on the lower support portion 235. In the present embodiment, the upper support portion 336 is configured by a portion that continuously extends from the second rail 232. Specifically, the second rail 232 is larger in the lateral direction F2 than the first rail 212 when viewed from the flow direction F1. The first rail 212 of the first member 210 is configured to fit between a pair of upper support portions 336 extending continuously from the second rail 232. In a state in which the second member 230 is attached to the first member 210, the pair of upper support portions 336 press the vicinity of the root of the first rail 212 of the first member 210 from above.

(3) Third Embodiment Next, a base portion according to a third embodiment will be described with reference to FIGS. 12 and 13. FIG. 12 is a perspective view of the base according to the third embodiment in a state of being installed on the installation surface. FIG. 13 is an exploded perspective view of the base portion according to the third embodiment. In addition, about the structure similar to 1st Embodiment, the same code | symbol is attached | subjected and the description may be abbreviate | omitted.

  In the third embodiment, similarly to the first embodiment, the second member 230 includes a lower support portion 435 that supports the first member 210 from below and an upper support portion 436 that supports the first member 210 from above. You may have. In this case, a part of the first bottom surface 211 of the first member 210 is placed on the lower support portion 435. In the present embodiment, the lower support portion 435 extends long in the lateral direction F2, and is, for example, half the width of the first member 210 in the lateral direction F2, preferably longer than 2/3. Accordingly, the first member 210 is stably placed on the lower support portion 435.

  Further, the upper support portion 436 is configured by a portion that continuously extends from the second side wall portion 234. The first member 210 may have a protruding portion 216 that protrudes outward in the lateral direction F2 from the first side wall portion 214. In this case, the protruding portion 216 may be disposed below the upper support portion 236 of the second member 230.

  Further, as in this embodiment, the length of the upper support portion 436 in the height direction is preferably larger than the width of the upper support portion 436 in the lateral direction F2. Thereby, the tolerance of the upper support part 436 against the force with which the first member 210 tries to lift can be increased.

  As described above, the content of the present invention has been disclosed through a plurality of embodiments. However, it should not be understood that the description and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art. Therefore, the technical scope of the present invention is defined only by the invention specifying matters according to the scope of claims reasonable from the above description.

  For example, in the above-described embodiment, the roof as the installation surface 10 is a slate roof having a plurality of slate 12. However, the installation surface 10 is not limited to a slate roof, and may be various types of roofs, or may be other than a roof.

  Moreover, in the said embodiment, the installation surface 10 is an inclined surface which has a level | step difference. Instead, the installation surface 10 may not be an inclined surface as long as it has a step.

  Moreover, in the said embodiment, the support member 110 supported by the fixing tool 100 and the fixing tool 100 is comprised so that the two panels 20 adjacent to each other can be hold | maintained. Instead, the fixture 100 and the support member 110 supported by the fixture 100 may be configured to hold only one panel 20. In this case, the side surface contact portion 128 of the support member 110 may be in contact with the side surface of one panel 20. Such a fixture 100 and support member 110 are suitable for being arranged at both ends in the flow direction F1 of the panel structure.

  Moreover, in the said embodiment, although the base 200 is comprised so that isolation | separation into the 1st member 210 and the 2nd member 230 is possible, even if the 1st member 210 and the 2nd member 230 are comprised inseparably in one piece. Good.

  Furthermore, in the above embodiment, the fixture 100 supports the panel 20 and the columnar member 120. Instead of this, the fixture 100 may directly support the panel 20. Further, the fixture 100 is not limited to the panel 20 and may be for installing an arbitrary object to be installed.

DESCRIPTION OF SYMBOLS 10 Installation surface 20 Panel 100 Fixing tool 110 Support member 120 Columnar member 126a First loading surface 126b Second loading surface 130 Second fastening member 140 First fastening member 200 Base 210 First member 211 First bottom surface 212 First rail 230 First 2 member 231 2nd bottom face 232 2nd rail

Claims (9)

A fixture for installing an object to be installed on an installation surface having a step,
A base for supporting the object to be installed;
The base has a first bottom surface facing the installation surface and a second bottom surface facing the installation surface;
The fixture, wherein the second bottom surface is configured in parallel with the first bottom surface at a position away from the first bottom surface in a direction perpendicular to the first bottom surface. The base includes a first member including the first bottom surface, and a second member including the second bottom surface,
The fixture according to claim 1, wherein the second member is configured to be detachable from the first member. The base is configured to support the installation object via a support member capable of supporting the installation object,
The first member of the base has a first support part capable of supporting the support member;
The fixture according to claim 2, wherein the second member of the base portion has a second support portion capable of supporting the support member. The first support portion has a first rail configured to support the support member so as to be slidable,
The second support portion has a second rail configured to support the support member so as to be slidable,
The fixture according to claim 2 or 3, wherein the second rail is configured to be connected to the first rail when the second member is attached to the first member. A second fastening member for fastening the support member to the base;
The second fastening member has a main body extending between the base and the support member, and a head connected to the main body and having a diameter larger than the diameter of the main body.
Each of the first rail and the second rail has a first opening and a second opening that are larger than the diameter of the main body and smaller than the diameter of the head,
The fixture according to claim 4, wherein the first opening and the second opening extend along a sliding direction of the support member. A first insertion hole through which a first fastening member for fastening the base to the installation surface is inserted;
The fixture according to claim 4 or 5, wherein the first insertion hole is provided on both sides of the first rail and the second rail.   The fixture according to any one of claims 2 to 6, wherein the second member includes a lower support portion that supports the first member from below and an upper support portion that supports the first member from above. . A first insertion hole through which a first fastening member for fastening the base to the installation surface is inserted;
The fixture according to any one of claims 1 to 7, wherein the base has a waterproof member in at least an area where the first insertion hole is formed on a surface directed toward the installation surface.   An installation object structure comprising: the fixture according to any one of claims 1 to 8; and an installation object fixed by the fixture.

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