JP2009235749A - Floor fixing structure of toilet bowl - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet bowl provided with a lower frame member which is firmly fixable to a floor and a support frame which can hardly be deformed even if the toilet bowl is lifted up from the front side. <P>SOLUTION: A front shell of a toilet bowl body 3 is formed of a skirt part 17 having a substantially U-shape in plan view. A setting body A provided with the support frame 4 and the skirt part 17 is constituted by fitting a fitting part 8 of the lower frame member 5 to the inside of a lower end portion of the skirt part 17, protruding a floor fixing part 9 backward from the skirt part 17 and connecting the fitting part 8 to the skirt part 17. An engagement tool 40 is fixed to a floor f. The lower frame member 5 of the setting body A is placed on the floor f. The front part of the lower frame member 5 is engaged with the engagement tool 40. The floor fixing part 9 of the lower frame member 5 is fixed to the floor f by a screw tool 49. A rear shell of the toilet bowl body 3 is detachably mounted on the setting body A. The floor fixing part 9 and the screw tool 49 are covered with the rear shell. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は便器の床固定構造に関する。   The present invention relates to a toilet floor fixing structure.

近年、ボウル部を備えた合成樹脂製の便器本体の外郭内に金属製の支持フレームを配置し、この支持フレームに便器本体を取り付けて支持した便器が利用されている。   In recent years, a toilet is used in which a metal support frame is disposed within the outer periphery of a synthetic resin toilet body having a bowl portion, and the toilet body is attached to and supported by the support frame.

この便器を施工するには、支持フレームの下端部に設けた下フレーム材をねじ具により床に固定するものである。また、この便器にはねじ具を便器本体の外郭で覆い隠す工夫がなされており、以下、本発明を示す図２〜５、図８を用いて説明する。   In order to construct this toilet, the lower frame material provided at the lower end of the support frame is fixed to the floor with a screw. In addition, the toilet is devised so as to cover the screw with the outline of the toilet body, and will be described below with reference to FIGS.

図３に示すように、支持フレーム４の下端部に設けた下フレーム材５は前部の嵌込部８と後部の床固着部９とで構成してある。図２に示すように便器本体３の前側の外郭はボウル部２と一体的に設けた平面視で後方に開口する略Ｕ字状のスカート部１７で構成してある。   As shown in FIG. 3, the lower frame material 5 provided at the lower end portion of the support frame 4 is composed of a front fitting portion 8 and a rear floor fixing portion 9. As shown in FIG. 2, the front outline of the toilet body 3 is formed by a substantially U-shaped skirt portion 17 that is provided integrally with the bowl portion 2 and opens rearward in a plan view.

図４に示すように下フレーム材５は嵌込部８をスカート部１７の下端部の内側に嵌め込むと共に床固着部９をスカート部１７から後方に突出させ、図８のように嵌込部８をねじ具２８によりスカート部１７に連結して支持フレーム４とスカート部１７を一体的に備えた設置体Ａを構成している。   As shown in FIG. 4, the lower frame material 5 has the fitting portion 8 fitted inside the lower end portion of the skirt portion 17 and the floor fixing portion 9 protrudes rearward from the skirt portion 17 so that the fitting portion is fitted as shown in FIG. 8 is connected to the skirt portion 17 by a screw 28 to form an installation body A that integrally includes the support frame 4 and the skirt portion 17.

設置体Ａには図２のように便器本体３の後側の外郭の一部を取り付けて、設置体Ａの後部に設けた温水洗浄装置等の付属装置３８やトラップケース１０等を覆い隠す。   As shown in FIG. 2, a part of the outer shell on the rear side of the toilet body 3 is attached to the installation body A so as to cover the accessory device 38 such as a hot water washing device provided at the rear part of the installation body A, the trap case 10, and the like.

上記便器１の施工は、便器本体３の後側の外郭を取り外した設置体Ａを床ｆに載置し、前記後側の外郭を取り外した部分に形成される作業用開口４８を介して設置体Ａの下フレーム材５をねじ具２８により床ｆに固定し、この後、前記後側の外郭を設置体Ａに取り付ける。   The construction of the toilet 1 is carried out by placing the installation body A from which the rear shell of the toilet body 3 is removed on the floor f and through the work opening 48 formed in the portion from which the rear shell is removed. The lower frame material 5 of the body A is fixed to the floor f by the screw tool 28, and then the outer shell on the rear side is attached to the installation body A.

ここで、下フレーム材５の嵌込部８は上記作業用開口４８よりも前方に位置しており、また、便器１の後部には付属装置３８やトラップケース１０等が配置される。このため上記狭いスカート部１７内に位置する下フレーム材５の嵌込部８をねじ具により床ｆに固定する作業は極めて困難なものとなる。従って、従来では上記下フレーム材５の嵌込部８を床ｆに固着せず、下フレーム材５の後部を構成する床固着部９のみをねじ具により床ｆに固定していた。   Here, the fitting portion 8 of the lower frame material 5 is located in front of the working opening 48, and the attachment device 38, the trap case 10, and the like are disposed at the rear portion of the toilet 1. For this reason, it becomes extremely difficult to fix the fitting portion 8 of the lower frame member 5 located in the narrow skirt portion 17 to the floor f with a screw tool. Therefore, conventionally, the fitting portion 8 of the lower frame material 5 is not fixed to the floor f, and only the floor fixing portion 9 constituting the rear portion of the lower frame material 5 is fixed to the floor f with a screw tool.

ところで上記便器本体３は合成樹脂製であるため軽量であり、このためいたずら等で便器１が前側から持ち上げられる恐れがある。そして、このように便器１が前側から持ち上げられる等した場合には、上記床固着部９のみを固定した支持フレーム４の前部が上方に曲がって変形する恐れがある。   By the way, since the said toilet bowl body 3 is made of a synthetic resin, it is lightweight. For this reason, the toilet bowl 1 may be lifted from the front side by mischief or the like. And when the toilet bowl 1 is lifted from the front side in this way, the front part of the support frame 4 to which only the floor fixing part 9 is fixed may bend upward and deform.

また、例えば特許文献１には便器の前部を床に固定した係合具に係合すると共に後部をねじ具により床に固着した便器の床固定構造が開示してあるが、このものは合成樹脂製の便器本体と支持フレームを備えた便器ではなく、また、便器の後部を固着するためのねじ具が露出して見栄えが悪いという問題がある。
実開平５−１０５８７号公報 Further, for example, Patent Document 1 discloses a toilet floor fixing structure in which a front part of a toilet bowl is engaged with an engaging tool fixed to the floor and a rear part is fixed to the floor with a screw tool. There is a problem in that it is not a toilet having a resin toilet body and a support frame, and a screw tool for fixing the rear part of the toilet is exposed and looks bad.
Japanese Utility Model Publication No. 5-10587

本発明は上記従来の問題点に鑑みてなされたものであって、便器の下フレーム材を床に強固に固定でき、便器が前側から持ち上げられる等しても、支持フレームが変形し難い便器を提供することを課題とする。   The present invention has been made in view of the above-mentioned conventional problems, and it is possible to firmly fix the lower frame material of the toilet bowl to the floor, and even when the toilet bowl is lifted from the front side, the toilet frame is not easily deformed. The issue is to provide.

上記課題を解決するために請求項１に係る便器の床固定構造は、ボウル部２を備えた合成樹脂製の便器本体３の外郭内に支持フレーム４を配置し、該支持フレーム４に便器本体３を取り付けてなる便器の床固定構造において、支持フレーム４の下端部に設けた下フレーム材５の前部を嵌込部８とすると共に後部を床固着部９とし、便器本体３の前側の外郭を平面視略Ｕ字状のスカート部１７で構成し、前記下フレーム材５の嵌込部８をスカート部１７の下端部内側に嵌め込むと共に床固着部９をスカート部１７から後方に突出させ、且つ嵌込部８をスカート部１７に連結して支持フレーム４とスカート部１７を備えた設置体Ａを構成し、床ｆに係合具４０を固着し、設置体Ａの下フレーム材５を床ｆに載置して該設置体Ａのスカート部１７で前記係合具４０を覆い隠すと共に、該下フレーム材５の前部を前記係合具４０に係合して上下動不能に係止し、前記下フレーム材５の床固着部９をねじ具４９により床ｆに固着し、設置体Ａに便器本体３の後側の外郭を着脱自在に取り付け、該後側の外郭により前記床固着部９及びねじ具４９を覆い隠すことを特徴とする。   In order to solve the above-described problem, the toilet floor fixing structure according to claim 1 includes a support frame 4 disposed inside the outer wall of a synthetic resin toilet body 3 having a bowl portion 2, and the toilet body 4 is disposed on the support frame 4. 3 is a floor fixing structure of a toilet bowl, and the front portion of the lower frame material 5 provided at the lower end of the support frame 4 is a fitting portion 8 and the rear portion is a floor fixing portion 9, The outer shell is composed of a skirt portion 17 having a substantially U-shape in plan view, and the fitting portion 8 of the lower frame material 5 is fitted inside the lower end portion of the skirt portion 17 and the floor fixing portion 9 projects rearward from the skirt portion 17. And the fitting portion 8 is connected to the skirt portion 17 to constitute the installation body A having the support frame 4 and the skirt portion 17, and the engaging tool 40 is fixed to the floor f, and the lower frame material of the installation body A 5 is placed on the floor f and the skirt portion 17 of the installation body A The engaging member 40 is concealed and the front portion of the lower frame member 5 is engaged with the engaging member 40 so as not to move up and down, and the floor fixing portion 9 of the lower frame member 5 is screwed. 49, fixed to the floor f by 49, removably attaching the outer shell of the toilet body 3 to the installation body A, and covering the floor fixing portion 9 and the screw tool 49 with the rear shell.

また、請求項２に係る便器の固定構造は、請求項１において、上記嵌込部８をスカート部１７の下端部に沿った平面視略Ｕ字状とし、係合具４０に前方に突出する係合突部４５を設け、該係合突部４５の下側の面に下フレーム材５の前端部を係合することを特徴とする。   In addition, the toilet fixing structure according to a second aspect of the present invention is the first aspect of the present invention, wherein the fitting portion 8 is substantially U-shaped in plan view along the lower end portion of the skirt portion 17 and protrudes forward to the engagement tool 40. An engagement protrusion 45 is provided, and the front end of the lower frame material 5 is engaged with the lower surface of the engagement protrusion 45.

また、請求項３に係る便器の固定構造は、請求項２において、上記係合具４０に上方に突出する縦片部４２を設けると共に該縦片部４２から上記係合突部４５を前方に向けて突設し、該係合突部４５の係合面４６となる下側の面を前側程上方に位置するよう傾斜させて成ることを特徴とする。   According to a third aspect of the present invention, there is provided a toilet bowl fixing structure according to the second aspect, wherein the engagement tool 40 is provided with a vertical piece 42 protruding upward, and the engagement protrusion 45 is moved forward from the vertical piece 42. The lower surface which becomes the engaging surface 46 of the engaging protrusion 45 is inclined so as to be positioned upward in the front side.

請求項１に係る発明では、便器本体を外郭内に配置した支持フレームに取り付け、支持フレームの下端部に設けた下フレーム材の後部を構成する床固着部をねじ具で床に固着し、便器本体の後側の外郭により前記床固着部及びねじ具を覆い隠すことができ、見栄えが良い。   In the invention according to claim 1, the toilet body is attached to the support frame disposed in the outer shell, and the floor fixing portion constituting the rear portion of the lower frame material provided at the lower end portion of the support frame is fixed to the floor with a screw tool. The floor fixing part and the screw tool can be covered by the outer shell on the rear side of the main body, and the appearance is good.

また、下フレーム材の前部を床に固着した係合具に係合して簡単に上下動不能に係止できる。また、これにより下フレーム材、ひいては便器を床に強固に固定でき、便器が前側から持ち上げられて下フレーム材が変形するといった事態が生じることを防止できる。   Further, the front portion of the lower frame member can be engaged with an engaging tool fixed to the floor and can be easily locked so as not to move up and down. In addition, this allows the lower frame material and thus the toilet bowl to be firmly fixed to the floor, and prevents the toilet frame from being lifted from the front side and deforming the lower frame material.

また請求項２に係る発明では、請求項１に係る発明の効果に加えて、平面視略Ｕ字状の嵌込部の前端部を床に固着した係合具の前方に突出する係合突部の下側の面に係合するものである。このため便器が前側から持ち上げられたとしても、下フレーム材は床固着部の床へのねじ止め部分を回動支点として下フレーム材のねじ止めされていない部分である嵌込部が回動することとなる。そしてこの時、嵌込部の前端部は上方ではなく係合突部との係合が外れる方向とは反対側である後側に傾斜した斜め上方に移動することとなる。従って、仮に便器が前側から持ち上げられたとしても上記係合は外れ難いものとなっている。   In the invention according to claim 2, in addition to the effect of the invention according to claim 1, the engagement protrusion that projects forward of the engagement tool having the front end portion of the substantially U-shaped fitting portion in plan view fixed to the floor. It engages with the lower surface of the part. For this reason, even if the toilet is lifted from the front side, the lower frame member rotates the fitting portion, which is the unfastened portion of the lower frame member, with the screwing portion of the floor fixing portion to the floor as a rotation fulcrum. It will be. At this time, the front end portion of the fitting portion moves not diagonally upward but obliquely upward inclined to the rear side, which is the opposite side to the direction in which the engagement with the engagement protrusion is disengaged. Therefore, even if the toilet bowl is lifted from the front side, the engagement is difficult to disengage.

また請求項３に係る発明では、請求項１又は請求項２に係る発明の効果に加えて、係合突部の下側の面を前側程上方に位置するよう傾斜させることで、床固着部の床へのねじ止めを解除した状態で設置体を略鉛直上方に移動するだけで、嵌込部の前端部で係合突部の下側の面を押圧し、縦片部を後方に弾性変形させながら上方に移動させ、係合突部との係合を容易に解除できる。このため床固着部の床へのねじ止めを解除した状態の設置体を床に対して前後に移動できない場合にも対応できる。   In addition, in the invention according to claim 3, in addition to the effect of the invention according to claim 1 or 2, the floor fixing portion is formed by inclining the lower surface of the engaging protrusion so as to be positioned upward in the front side. Just by moving the installation body approximately vertically upward with the screwing of the floor to the bottom, pressing the lower surface of the engaging protrusion at the front end of the fitting part, elasticating the vertical piece backward It can be moved upward while being deformed, and the engagement with the engaging protrusion can be easily released. Therefore, it is possible to cope with the case where the installation body in the state where the screwing of the floor fixing portion to the floor is released cannot be moved back and forth with respect to the floor.

以下、本発明を添付図面に示す実施形態に基づいて説明する。図１乃至図１４に示す本実施形態の便器１は、内部にボウル部２を備えた合成樹脂製の便器本体３と、便器本体３を支持・補強する金属製の支持フレーム４を備えている。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. The toilet bowl 1 of this embodiment shown in FIGS. 1 to 14 includes a synthetic resin toilet body 3 having a bowl portion 2 therein, and a metal support frame 4 that supports and reinforces the toilet body 3. .

図３に示すように支持フレーム４は、平面視で前後に長い環状の下フレーム材５と、下フレーム材５の後部の両側に立設した後フレーム材６と、下フレーム材５の後部の両側で且つ後フレーム材６よりも前方位置に立設した中フレーム材７とで構成してあり、各フレーム材５〜７は角状パイプからなる。   As shown in FIG. 3, the support frame 4 includes an annular lower frame member 5 that is long in the front-rear direction, a rear frame member 6 erected on both sides of the rear portion of the lower frame member 5, and a rear portion of the lower frame member 5. It is comprised with the intermediate | middle frame material 7 standingly arranged in the front position rather than the back frame material 6 on both sides, and each frame material 5-7 consists of square pipes.

以下、支持フレーム４の床ｆに設置される下フレーム材５のうち、前部を嵌込部８とすると共にこれよりも後方の後部を床固着部９とする。嵌込部８は平面視で後方に開口する略Ｕ字状となっている。   Hereinafter, among the lower frame members 5 installed on the floor f of the support frame 4, the front part is referred to as the fitting part 8 and the rear part behind this is referred to as the floor fixing part 9. The fitting portion 8 has a substantially U shape opening rearward in a plan view.

図４に示すように下フレーム材５の床固着部９上にはトラップケース１０が取り付けてある。トラップケース１０内に内装したトラップはターントラップ方式のもので、フレキシブルなトラップ筒（図示せず）により構成してある。トラップ筒の一端はボウル部２の下部後端部に設けた排出孔部１１に接続してあり、他端は自由端となっている。   As shown in FIG. 4, a trap case 10 is attached on the floor fixing portion 9 of the lower frame material 5. The trap housed in the trap case 10 is of a turn trap type and is constituted by a flexible trap cylinder (not shown). One end of the trap tube is connected to a discharge hole portion 11 provided at the lower rear end portion of the bowl portion 2, and the other end is a free end.

トラップ筒はトラップケース１０に設けたモータ（図示せず）により回動させることで、自由端側の開口を上向きとしたトラップ構造を形成する状態と、自由端側の開口を下向きとして前記トラップ構造を解除して排水される状態とを選択できるようになっている。また、トラップケース１０の下端部は下方に突出する排水口１２となっていて、便器１を設置する床ｆから上方に向けて突設した排出筒１３に連通接続される。   The trap cylinder is rotated by a motor (not shown) provided in the trap case 10 to form a trap structure with the opening on the free end side facing up, and the trap structure with the opening on the free end side facing down. It is possible to select the state to be drained by canceling. Moreover, the lower end part of the trap case 10 is a drainage port 12 projecting downward, and is connected to a discharge cylinder 13 projecting upward from the floor f on which the toilet 1 is installed.

図７のように下フレーム材５の嵌込部８及び床固着部９の夫々には周方向に複数のねじ具用孔１４ａ、１４ｂを穿設している。下フレーム材５の前端部は被係合部１５としてあり、前記嵌込部８に設けたねじ具用孔１４ａは、被係合部１５を除く両側の複数箇所と、被係合部１５の左右両側部分に穿設している。以下、被係合部１５に設けたねじ具用孔１４ａは特にねじ具用孔１４ａ_１と記載する。 As shown in FIG. 7, a plurality of screw tool holes 14 a and 14 b are formed in the circumferential direction in each of the fitting portion 8 and the floor fixing portion 9 of the lower frame material 5. The front end portion of the lower frame material 5 is an engaged portion 15, and the screw tool holes 14 a provided in the fitting portion 8 are provided at a plurality of positions on both sides excluding the engaged portion 15 and the engaged portion 15. Drilled in the left and right sides. Hereinafter, the screw tool hole 14 a provided in the engaged portion 15 is particularly referred to as a screw tool hole 14 a ₁ .

図１１に示すように嵌込部８の前端部に位置する被係合部１５は水平な床固着部９よりもやや上方に位置している。嵌込部８は床固着部９側の部分から被係合部１５側に行くにつれて徐々に上方に位置するよう湾曲し、これにより被係合部１５を床固着部９よりも上方に位置させている。   As shown in FIG. 11, the engaged portion 15 located at the front end portion of the fitting portion 8 is located slightly above the horizontal floor fixing portion 9. The fitting portion 8 is curved so as to be gradually positioned upward from the portion on the floor fixing portion 9 side toward the engaged portion 15 side, thereby positioning the engaged portion 15 above the floor fixing portion 9. ing.

また、図３のように各中フレーム材７の上下複数箇所には螺子具挿通孔１６を穿設している。   Further, as shown in FIG. 3, screw tool insertion holes 16 are formed at a plurality of upper and lower portions of each middle frame member 7.

図２に示すように便器本体３は内部にボウル部２を備えた前パーツＦと後パーツＲで構成してある。図５に示すように前パーツＦは便器１の外郭の前部を構成する平面視面略Ｕ字状をしたスカート部１７と、スカート部１７内の上部内に位置したボウル部２と、ボウル部２の上に位置するリム部１８とで構成してあり、これら合成樹脂製のスカート部１７、ボウル部２、リム部１８は溶着又は接着により固着一体化してある。   As shown in FIG. 2, the toilet body 3 is composed of a front part F and a rear part R each having a bowl portion 2 therein. As shown in FIG. 5, the front part F includes a skirt portion 17 having a substantially U shape in a plan view and constituting a front portion of the outer shell of the toilet 1, a bowl portion 2 located in an upper portion of the skirt portion 17, and a bowl The rim part 18 is located on the part 2, and the skirt part 17, the bowl part 2 and the rim part 18 made of synthetic resin are fixedly integrated by welding or adhesion.

図８及び図９に示すようにスカート部１７の下部にはスカート部１７の内側に向けてフランジ状の内フランジ部１９を一体に突設してあり、該内フランジ部１９はスカート部１７の周方向の両端部を除く全長に亘って形成されている。   As shown in FIGS. 8 and 9, a flange-like inner flange portion 19 is integrally projected at the lower portion of the skirt portion 17 toward the inner side of the skirt portion 17, and the inner flange portion 19 is formed on the skirt portion 17. It is formed over the entire length excluding both ends in the circumferential direction.

内フランジ部１９における前記嵌込部８に設けた各ねじ具用孔１４ａに対応する箇所には取付用孔２０を穿設している。内フランジ部１９の被係合部１５に対応する前端部は前固定部２１としてあり、該前固定部２１に設けた各取付用孔２０はねじ具用孔１４ａ_１に対応している。以下、前固定部２１に設けた各取付用孔２０を取付用孔２０ａと記載する。 A mounting hole 20 is formed at a location corresponding to each screw tool hole 14 a provided in the fitting portion 8 in the inner flange portion 19. Front end corresponding to the engaged portion 15 of the inner flange portion 19 is a front fixing portion 21, the mounting holes 20 provided in the front fixing portion 21 corresponds to a thread attachment holes 14a _1. Hereinafter, each mounting hole 20 provided in the front fixing portion 21 is referred to as a mounting hole 20a.

前固定部２１の左右両端及び後端には上方に向けてリブ２２を突設してあり、これらリブ２２及びスカート部１７の周壁部によって囲まれた上方に開口する凹所２３を形成している。   Ribs 22 protrude from the left and right ends and the rear end of the front fixing portion 21 upward, and a recess 23 that opens upward is surrounded by the rib 22 and the peripheral wall portion of the skirt portion 17. Yes.

スカート部１７の周壁部の前端部（周方向において前固定部２１に対応する箇所）には操作用孔２４を穿設している。操作用孔２４には図示しない蓋体が着脱自在に取り付けられ、該蓋体により操作用孔２４は閉塞される。   An operation hole 24 is formed in the front end portion of the peripheral wall portion of the skirt portion 17 (location corresponding to the front fixing portion 21 in the circumferential direction). A lid (not shown) is detachably attached to the operation hole 24, and the operation hole 24 is closed by the lid.

スカート部１７の周方向の全長に亘る下端部は内フランジ部１９よりも下方に突出して覆い部２５としている。   A lower end portion of the skirt portion 17 over the entire length in the circumferential direction protrudes downward from the inner flange portion 19 to form a cover portion 25.

スカート部１７の後部両側には縦片状の取付片部２６を内側方に向けて一体に突設している。各取付片部２６は上端がスカート部１７の上下方向の中程に位置し、下端は内フランジ部１９の後端に一体に接続されている。各取付片部２６の中フレーム材７の螺子具挿通孔１６に対応する箇所には貫通孔２７を穿設している。   On both sides of the rear portion of the skirt portion 17, vertical piece-like attachment piece portions 26 are integrally protruded inward. Each attachment piece portion 26 has an upper end located in the middle of the skirt portion 17 in the vertical direction, and a lower end integrally connected to the rear end of the inner flange portion 19. A through hole 27 is formed at a location corresponding to the screw tool insertion hole 16 of the middle frame member 7 of each attachment piece portion 26.

上記前パーツＦのスカート部１７は支持フレーム４に取り付けてある。スカート部１７を支持フレーム４に取り付けるには、スカート部１７の覆い部２５の内側に下フレーム材５の嵌込部８を嵌め込み、嵌込部８上に内フランジ部１９を載置し、且つ、各中フレーム材７の前面を対応する取付片部２６の後面に沿わせる。次に、内フランジ部１９と嵌込部８を皿ねじからなるねじ具２８を用いて連結すると共に、各取付片部２６と対応する中フレーム材７を螺子具３１を用いて連結する。   The skirt portion 17 of the front part F is attached to the support frame 4. In order to attach the skirt portion 17 to the support frame 4, the fitting portion 8 of the lower frame material 5 is fitted inside the covering portion 25 of the skirt portion 17, the inner flange portion 19 is placed on the fitting portion 8, and The front surface of each middle frame member 7 is set along the rear surface of the corresponding attachment piece 26. Next, the inner flange portion 19 and the fitting portion 8 are connected using a screw 28 made of a countersunk screw, and the middle frame member 7 corresponding to each mounting piece 26 is connected using a screw tool 31.

上記内フランジ部１９と嵌込部８を連結する場合、スカート部１７の両側部分にあっては、図８に示すように嵌込部８の両側に位置する各ねじ具用孔１４ａ及びこれに対応する内フランジ部１９の取付用孔２０に下方からねじ具２８を通し、各ねじ具２８を内フランジ部１９上の配したナット２９に螺合する。   When the inner flange portion 19 and the fitting portion 8 are connected to each other, the screw tool holes 14a located on both sides of the fitting portion 8 as shown in FIG. The screw tools 28 are passed through the corresponding mounting holes 20 of the inner flange portions 19 from below, and the respective screw tools 28 are screwed into the nuts 29 arranged on the inner flange portions 19.

また、スカート部１７の前端部にあっては、被係合部１５の各ねじ具用孔１４ａ_１及びこれに対応する前固定部２１の取付用孔２０ａに下方からねじ具２８（図１２参照）を通し、各ねじ具２８を前固定部２１上に載置し且つ下部を凹所２３に嵌め込んだ金属製の連結具３０に螺合し、該連結具３０と被係合部１５とで前固定部２１を挟持する。 Further, at the front end portion of the skirt portion 17, each screw tool hole 14 a ₁ of the engaged portion 15 and the corresponding mounting hole 20 a of the front fixing portion 21 are screwed from below (see FIG. 12). ), And screw the screws 28 onto the front fixing part 21 and screw the lower parts into the metal connecting parts 30 fitted in the recesses 23. The connecting parts 30 and the engaged parts 15 The front fixing part 21 is clamped by.

また、各取付片部２６を中フレーム材７に連結する場合は、図１４に示すように各螺子具挿通孔１６及びこれに対応する貫通孔２７に前方から螺子具３１を通し、各螺子具３１を取付片部２６の前側に配したナット３２に螺合する。   Further, when each mounting piece 26 is connected to the middle frame member 7, as shown in FIG. 14, the screw tool 31 is passed from the front through each screw tool insertion hole 16 and the corresponding through hole 27, and each screw tool is inserted. 31 is screwed into a nut 32 disposed on the front side of the mounting piece 26.

上記のようにスカート部１７を支持フレーム４に連結することで、前パーツＦは支持フレーム４に取り付けられる。この取付状態にあっては、覆い部２５により下フレーム材５の外側は覆い隠される。また、下フレーム材５の前端部で構成される被係合部１５の後部が図１０に示すように前固定部２１よりも後方に突出する。また、図１３に示すように連結具３０の左右方向の中央部には前後に貫通するねじ具通孔３３が穿設してあるが、このねじ具通孔３３がスカート部１７の操作用孔２４に対向する。   The front part F is attached to the support frame 4 by connecting the skirt portion 17 to the support frame 4 as described above. In this attached state, the outer side of the lower frame material 5 is covered by the cover portion 25. Further, the rear portion of the engaged portion 15 formed by the front end portion of the lower frame member 5 projects rearward from the front fixing portion 21 as shown in FIG. Further, as shown in FIG. 13, a screw tool through-hole 33 penetrating in the front-rear direction is formed in the central portion in the left-right direction of the connector 30, and this screw tool through-hole 33 is an operation hole for the skirt portion 17. 24.

一方、後パーツＲは、上カバー３４、両側の側カバー３７、装置支持ケース３５、背面カバー３６で構成してあり、両側の側カバー３７及び背面カバー３６により便器本体３の後側の外郭を構成している。   On the other hand, the rear part R is composed of an upper cover 34, side covers 37 on both sides, a device support case 35, and a back cover 36. The rear cover of the toilet body 3 is covered by the side covers 37 and the back cover 36 on both sides. It is composed.

装置支持ケース３５には局部洗浄用の温水洗浄装置等の付属装置３８、便座（図示せず）、便蓋３９を取り付けている。   An attachment device 38 such as a hot water washing device for local washing, a toilet seat (not shown), and a toilet lid 39 are attached to the device support case 35.

上カバー３４は装置支持ケース３５に着脱自在に取り付けてあり、該上カバー３４により便器１の後上部に配設された装置支持ケース３５及び付属装置３８が覆われている。   The upper cover 34 is detachably attached to the apparatus support case 35, and the upper cover 34 covers the apparatus support case 35 and the attached device 38 disposed at the upper rear part of the toilet 1.

装置支持ケース３５は支持フレーム４の両後フレーム材６に取り付けてあり、便器１の後部側面を覆う側カバー３７は装置支持ケース３５や支持フレーム４に着脱自在に取付けてある。また、便器１の後端を覆う背面カバー３６は上カバー３４や側カバー３７に着脱自在に取り付けてある。   The device support case 35 is attached to both rear frame members 6 of the support frame 4, and the side cover 37 covering the rear side surface of the toilet 1 is detachably attached to the device support case 35 and the support frame 4. A rear cover 36 covering the rear end of the toilet 1 is detachably attached to the upper cover 34 and the side cover 37.

上記便器１を床ｆに施工する場合は図１に示すように予め床ｆの被係合部１５に対応する箇所に金属製の係合具４０を固着しておく。   When constructing the toilet 1 on the floor f, as shown in FIG. 1, a metal engaging tool 40 is fixed in advance at a location corresponding to the engaged portion 15 of the floor f.

図１０及び図１２に示すように係合具４０は、横片部４１と、横片部４１の前端から上方に突出する縦片部４２を備えている。横片部４１にはねじ具用孔４３を穿設している。係合具４０を床ｆに固着するには、床面上に横片部４１を載置し、ねじ具４４をねじ具用孔４３に通して床ｆに螺着する。   As shown in FIGS. 10 and 12, the engaging tool 40 includes a horizontal piece portion 41 and a vertical piece portion 42 protruding upward from the front end of the horizontal piece portion 41. The horizontal piece 41 is provided with a screw tool hole 43. In order to fix the engaging tool 40 to the floor f, the horizontal piece portion 41 is placed on the floor surface, and the screw tool 44 is threaded through the screw tool hole 43 and screwed to the floor f.

縦片部４２には前方に突出する係合突部４５を形成している。係合突部４５は側断面三角形状に形成してあり、下側の面は前側程上方に位置するよう傾斜した係合面４６となり、上側の面は前側程下方に位置するように傾斜した傾斜面４７となっている。また、縦片部４２の前面には図示しない雌ねじ穴を形成してある。   An engaging protrusion 45 that protrudes forward is formed on the vertical piece 42. The engaging protrusion 45 is formed in a triangular shape in cross section. The lower surface is an engaging surface 46 that is inclined so as to be positioned upward on the front side, and the upper surface is inclined so that it is positioned below the front side. An inclined surface 47 is formed. A female screw hole (not shown) is formed on the front surface of the vertical piece 42.

上記係合具４０は床ｆの排出筒１３の前方の所定位置に位置決めして取り付けられ、この後、便器１が床ｆに取り付けられる。以下、便器１の取り付け方法の一例を示す。   The engaging tool 40 is positioned and attached at a predetermined position in front of the discharge tube 13 on the floor f, and then the toilet 1 is attached to the floor f. Hereinafter, an example of a method for attaching the toilet 1 will be described.

便器１の取り付けは、先に便器１から便器本体３の後側の外郭を取り外してなる設置体Ａを床ｆに設置し、この後、設置体Ａに前記取り外した後側の外郭を取り付けることで行う。   To install the toilet bowl 1, first install the installation body A obtained by removing the rear shell of the toilet body 3 from the toilet bowl 1 on the floor f, and then attach the removed rear shell to the installation body A. To do.

具体的には、設置体Ａは図４に示すように上記便器１から便器本体３の後側の外郭の一部を構成する両側の側カバー３７を取り外したものである。つまり、設置体Ａは、支持フレーム４、便器本体３の両側の側カバー３７を除く全ての部材、便座、便蓋３９、トラップケース１０、トラップ、モータ、付属装置３８、連結具３０等の全てを施工状態と同様に組み立てたものである。   Specifically, as shown in FIG. 4, the installation body A is obtained by removing the side covers 37 on both sides constituting a part of the outer shell on the rear side of the toilet body 3 from the toilet 1. That is, the installation body A includes all members except the support frame 4, the side covers 37 on both sides of the toilet body 3, the toilet seat, the toilet lid 39, the trap case 10, the trap, the motor, the accessory device 38, and the coupling tool 30. Is assembled in the same manner as the construction state.

また、上記設置体Ａの状態では両側の側カバー３７を取り外した部分の夫々が作業用開口４８となり、支持フレーム４の下端部に設けた下フレーム材５の床固着部９はスカート部１７から後方に突出して露出した状態となる。   Further, in the state of the installation body A, each of the portions from which the side covers 37 on both sides are removed becomes the working opening 48, and the floor fixing portion 9 of the lower frame material 5 provided at the lower end portion of the support frame 4 is from the skirt portion 17. It will be in the state which protrudes back and is exposed.

上記設置体Ａを床ｆに設置するには、図１に示すように床ｆ上方に配置した設置体Ａを下方に移動して支持フレーム４の下フレーム材５を床ｆに載置し、これにより排出筒１３を床ｆに設けた排水口１２に挿入すると共に、下フレーム材５の被係合部１５を前記予め床ｆに設けた係合具４０の係合突部４５に係合させる。   In order to install the installation body A on the floor f, as shown in FIG. 1, the installation body A arranged above the floor f is moved downward to place the lower frame material 5 of the support frame 4 on the floor f. As a result, the discharge cylinder 13 is inserted into the drain port 12 provided on the floor f, and the engaged portion 15 of the lower frame member 5 is engaged with the engaging protrusion 45 of the engaging tool 40 provided on the floor f in advance. Let

詳述すると、上記のように設置体Ａを下方に移動すると、下フレーム材５の床固着部９が嵌込部８の被係合部１５よりも先に床面に載置され、この後さらに設置体Ａの前部を下方に押圧する。これにより下フレーム材５の被係合部１５は下方に弾性変位し、以下のように係合具４０の係合突部４５に係合する。   More specifically, when the installation body A is moved downward as described above, the floor fixing portion 9 of the lower frame material 5 is placed on the floor surface before the engaged portion 15 of the fitting portion 8, and thereafter Further, the front part of the installation body A is pressed downward. As a result, the engaged portion 15 of the lower frame material 5 is elastically displaced downward and engages with the engaging protrusion 45 of the engaging tool 40 as follows.

即ち、上記設置体Ａの前部を下方に押圧して図１０（ａ）に示すように被係合部１５を下方に移動させると、被係合部１５の後端部が係合突部４５の傾斜面４７を押圧して縦片部４２を後方に弾性変形させながら下方に移動する。そして被係合部１５が係合突部４５を乗り越えた時点で図１０（ｂ）のように縦片部４２が前方に復帰し、これにより被係合部１５の後端部が係合突部４５の係合面４６と床面との間に嵌まり込み、被係合部１５が係合突部４５の係合面４６に弾接係合して上下動不能に係止される。   That is, when the front portion of the installation body A is pressed downward and the engaged portion 15 is moved downward as shown in FIG. 10A, the rear end portion of the engaged portion 15 becomes the engagement protrusion. It moves downward while pressing the inclined surface 47 of 45 and elastically deforming the vertical piece 42 backward. When the engaged portion 15 gets over the engaging protrusion 45, the vertical piece portion 42 returns to the front as shown in FIG. 10B, whereby the rear end portion of the engaged portion 15 is engaged. It fits between the engaging surface 46 of the part 45 and a floor surface, and the to-be-engaged part 15 is elastically engaged with the engaging surface 46 of the engaging protrusion 45, and is locked so that it cannot move up and down.

上記のように設置体Ａを床ｆに設置した後には、設置体Ａの作業用開口４８を利用して下フレーム材５の床固着部９の各ねじ具用孔１４ｂに上方からねじ具４９を通し、これら各ねじ具４９により床固着部９を床ｆに固着する。そして設置体Ａの装置支持ケース３５や支持フレーム４に両側の側カバー３７を取り付けて、これら両側の側カバー３７により設置体Ａの後部に露出したトラップケース１０、装置支持ケース３５、スカート部１７から後方に突出した下フレーム材５の床固着部９、これを床ｆに固定する各ねじ具４９等を覆い隠す。   After the installation body A is installed on the floor f as described above, the screw tool 49 from above is inserted into each screw tool hole 14b of the floor fixing portion 9 of the lower frame material 5 using the work opening 48 of the installation body A. The floor fixing portion 9 is fixed to the floor f by these screw tools 49. Then, the side covers 37 on both sides are attached to the device support case 35 and the support frame 4 of the installation body A, and the trap case 10, the device support case 35, and the skirt portion 17 exposed at the rear of the installation body A by the side covers 37 on both sides. The floor fixing portion 9 of the lower frame member 5 protruding rearward from the bottom, and the respective screws 49 for fixing the floor fixing portion 9 to the floor f are covered.

また、上記設置体Ａを床ｆに設置した後には、ねじ具２８により前固定部２１及び被係合部１５に連結した連結具３０を係合具４０に連結する。連結具３０を係合具４０に連結するには、図１３のようにスカート部１７の前方から操作用孔２４を介して連結具３０のねじ具通孔３３にねじ具５０を通し、該ねじ具５０を係合具４０の前記雌ねじ穴に螺合し、これによってねじ具２８により前固定部２１及び被係合部１５に連結した連結具３０を係合具４０に連結し、この後、操作用孔２４に蓋体を取り付けて該蓋体により操作用孔２４及びスカート部１７内側のねじ具５０を覆い隠す。   In addition, after the installation body A is installed on the floor f, the connection tool 30 connected to the front fixing portion 21 and the engaged portion 15 is connected to the engagement tool 40 by the screw tool 28. In order to connect the connecting tool 30 to the engaging tool 40, the screw tool 50 is passed from the front of the skirt portion 17 through the screw hole 33 of the connecting tool 30 through the operation hole 24 as shown in FIG. The tool 50 is screwed into the female screw hole of the engaging tool 40, thereby connecting the connecting tool 30 connected to the front fixing portion 21 and the engaged portion 15 by the screw tool 28 to the engaging tool 40, and thereafter A lid is attached to the operation hole 24, and the screw hole 50 inside the operation hole 24 and the skirt portion 17 is covered with the lid.

以上説明した便器１の固定構造にあっては、従来例同様、便器本体３の後側の外郭を構成する側カバー３７により下フレーム材５の後部を構成する床固着部９を床ｆに固定するためのねじ具４９を覆い隠すことができて、見栄えが良い。   In the fixing structure of the toilet 1 described above, the floor fixing part 9 constituting the rear part of the lower frame material 5 is fixed to the floor f by the side cover 37 constituting the outer shell of the rear side of the toilet body 3 as in the conventional example. It is possible to cover and hide the screw tool 49 for doing so.

さらに下フレーム材５の前端部を床ｆに固着した係合具４０に係合して上下動不能に係止することで、下フレーム材５の前端部を容易に固定できる。また、下フレーム材５の後部を構成する床固着部９をねじ止めにより床ｆに固定すると共に、スカート部１７を連結した下フレーム材５の前端部を床ｆに固着した係合具４０に係止して便器１を床ｆに強固に固定でき、便器１が前側から持ち上げられて下フレーム材５が変形するといった事態が生じることを防止できる。   Furthermore, the front end part of the lower frame material 5 can be easily fixed by engaging the engaging tool 40 fixed to the floor f and engaging the front end part of the lower frame material 5 so as not to move up and down. In addition, the floor fixing portion 9 constituting the rear portion of the lower frame material 5 is fixed to the floor f by screwing, and the front end portion of the lower frame material 5 to which the skirt portion 17 is connected is fixed to the engaging tool 40 fixed to the floor f. The toilet 1 can be firmly fixed to the floor f by being locked, and it can be prevented that the toilet frame 1 is lifted from the front side and the lower frame material 5 is deformed.

また、本実施形態では係合具４０の前方に突出する係合突部４５の下側の面に平面視略Ｕ字状の下フレーム材５の前端部からなる被係合部１５を係合している。このため便器１が前側から持ち上げられたとしても、下フレーム材５は図１１の矢印に示すように床固着部９の床ｆへのねじ止め部分を回動支点として下フレーム材５のねじ止めされていない部分である嵌込部８が回動することとなり、この時、下フレーム材５の被係合部１５は上方ではなく係合突部４５と被係合部１５との係合が外れる方向とは反対側である後側に傾斜した斜め上方に移動することとなる。従って、仮に便器１が前側から持ち上げられたとしても上記係合突部４５と被係合部１５の係合は外れ難くなっている。   Further, in the present embodiment, the engaged portion 15 formed by the front end portion of the lower frame member 5 having a substantially U shape in plan view is engaged with the lower surface of the engaging protrusion 45 protruding forward of the engaging tool 40. is doing. For this reason, even if the toilet bowl 1 is lifted from the front side, the lower frame material 5 is screwed to the lower frame material 5 with the screwing portion of the floor fixing portion 9 to the floor f as a rotation fulcrum as shown by the arrow in FIG. The fitting portion 8 which is not a part is rotated, and at this time, the engaged portion 15 of the lower frame material 5 is not upward but the engagement protrusion 45 and the engaged portion 15 are engaged. It will move obliquely upward inclined to the rear side, which is the opposite side to the direction of detachment. Therefore, even if the toilet bowl 1 is lifted from the front side, the engagement between the engaging protrusion 45 and the engaged portion 15 is difficult to disengage.

また、上記施工後の便器１を取り外す場合は、便器１から両側の側カバー３７を取り外して上記の設置体Ａとし、この後、作業用開口４８を介して下フレーム材５の床固着部９を固定するねじ具４９を取り外し、また、スカート部１７から蓋体を取り外して操作用孔２４を介して連結具３０と係合具４０を連結するねじ具５０を取り外し、この後、設置体Ａを持ち上げる。   Further, when removing the toilet 1 after the construction, the side covers 37 on both sides are removed from the toilet 1 to form the installation body A, and thereafter, the floor fixing portion 9 of the lower frame material 5 through the work opening 48. The screw member 49 for fixing the joint member 30 is removed, the lid member is removed from the skirt portion 17, and the screw member 50 for connecting the connector 30 and the engagement tool 40 through the operation hole 24 is removed. Lift up.

また、上記設置体Ａを持ち上げる際には、排水口１２を排出筒１３に挿入していることから設置体Ａを略鉛直な上方に移動させる必要があるが、この場合に上記係合突部４５と被係合部１５の係合は容易に解除できるようになっている。   Further, when the installation body A is lifted, it is necessary to move the installation body A substantially vertically upward because the drainage port 12 is inserted into the discharge cylinder 13. 45 and the engaged portion 15 can be easily disengaged.

即ち、本実施形態では上記係合突部４５の下側の面で構成された係合面４６は前側程上方に位置するよう傾斜している。従って、上記のように設置体Ａを床ｆから持ち上げるにあたって設置体Ａを略鉛直上方に移動した時には、下フレーム材５の被係合部１５は傾斜した係合面４６を押圧して縦片部４２を後方に弾性変形させながら上方に移動することとなり、係合突部４５と被係合部１５の係合を容易に解除できるのである。   In other words, in the present embodiment, the engagement surface 46 formed by the lower surface of the engagement protrusion 45 is inclined so as to be positioned higher on the front side. Therefore, when the installation body A is moved substantially vertically upward when the installation body A is lifted from the floor f as described above, the engaged portion 15 of the lower frame member 5 presses the inclined engagement surface 46 so that the vertical piece The portion 42 moves upward while being elastically deformed rearward, so that the engagement between the engagement protrusion 45 and the engaged portion 15 can be easily released.

なお、本実施形態では、便器１を床ｆに固定する際に、便器１から後側の外郭を構成する両側の側カバー３７のみを取り外した状態（即ち設置体Ａ）としたが、例えば図６のように側カバー３７以外の他の部材を取り外した状態としても良く、設置体Ａは支持フレーム４及びこれに取り付けた前パーツＦを備え、下フレーム材５の床固着部９をねじ具４９により床ｆに取り付けるための作業用開口４８が開口したものであれば良いものとする。   In the present embodiment, when the toilet 1 is fixed to the floor f, only the side covers 37 on both sides constituting the outer shell on the rear side are removed from the toilet 1 (that is, the installation body A). 6, a member other than the side cover 37 may be removed, and the installation body A includes the support frame 4 and the front part F attached to the support frame 4, and the floor fixing portion 9 of the lower frame material 5 is screwed It is sufficient that the work opening 48 for attaching to the floor f by 49 is opened.

本発明の実施の形態の一例を示し、設置体を床に設置する前の状態を示す側方から見た説明図である。It is explanatory drawing seen from the side which shows an example of embodiment of this invention and shows the state before installing an installation body on a floor. 同上の便器の側面図である。It is a side view of a toilet bowl same as the above. 同上の支持フレームの透視斜視図である。It is a see-through | perspective perspective view of a support frame same as the above. 同上の設置体の側面図である。It is a side view of the installation body same as the above. 同上の便器の後側の外郭や装置支持ケースを取り外した状態における側断面図である。It is side sectional drawing in the state which removed the outer shell of the toilet bowl same as the above, and the apparatus support case. 図５の状態における側面図である。It is a side view in the state of FIG. 図５の状態における底面図である。It is a bottom view in the state of FIG. 同上の内フランジ部と嵌込部の連結構造を示す正断面図である。It is a front sectional view which shows the connection structure of an inner flange part and a fitting part same as the above. 同上のスカート部を示し、（ａ）は平面図、（ｂ）は側面図、（ｃ）は底面図である。The skirt part same as the above is shown, (a) is a plan view, (b) is a side view, and (c) is a bottom view. （ａ）は被係合部が係合具に係合される直前の状態を示す側断面図であり、（ｂ）（ｃ）は被係合部が係合具に係合された状態を示す側断面図であり、（ｂ）では便器が前側から持ち上げられた際に被係合部に係る力の向きを矢印で示し、（ｃ）では便器の取り外し時において便器が上方に持ち上げられた際に被係合部に係る力の向きを矢印で示している。(A) is a sectional side view showing the state immediately before the engaged part is engaged with the engaging tool, and (b) and (c) are the states where the engaged part is engaged with the engaging tool. In (b), the direction of the force concerning the engaged portion is indicated by an arrow when the toilet is lifted from the front side, and in (c), the toilet is lifted upward when the toilet is removed. At this time, the direction of the force applied to the engaged portion is indicated by an arrow. 同上の下フレーム部を側方から見た説明図である。It is explanatory drawing which looked at the lower frame part same as the above from the side. 同上の連結具と係合具の連結構造を示す斜視図である。It is a perspective view which shows the connection structure of a connection tool same as the above and an engagement tool. 同上の操作用孔から連結具にねじ具を通す時の状態を示す側断面図である。It is a sectional side view which shows a state when passing a screw tool from a hole for operation to a connecting tool same as the above. 同上の中フレーム材とスカート部の連結構造を示す水平断面図である。It is a horizontal sectional view which shows the connection structure of a middle frame material and a skirt part same as the above.

符号の説明Explanation of symbols

Ａ 設置体
Ｆ 床
２ ボウル部
３ 便器本体
４ 支持フレーム
５ 下フレーム材
８ 嵌込部
９ 床固着部
１７ スカート部
４０ 係合具
４５ 係合突部
４６ 係合面
４９ ねじ具 A installation body F floor 2 bowl part 3 toilet body 4 support frame 5 lower frame material 8 fitting part 9 floor adhering part 17 skirt part 40 engaging tool 45 engaging protrusion 46 engaging surface 49 screw tool

Claims (3)

ボウル部を備えた合成樹脂製の便器本体の外郭内に支持フレームを配置し、該支持フレームに便器本体を取り付けてなる便器の床固定構造において、支持フレームの下端部に設けた下フレーム材の前部を嵌込部とすると共に後部を床固着部とし、便器本体の前側の外郭を平面視略Ｕ字状のスカート部で構成し、前記下フレーム材の嵌込部をスカート部の下端部内側に嵌め込むと共に床固着部をスカート部から後方に突出させ、且つ嵌込部をスカート部に連結して支持フレームとスカート部を備えた設置体を構成し、床に係合具を固着し、設置体の下フレーム材を床に載置して該設置体のスカート部で前記係合具を覆い隠すと共に、該下フレーム材の前部を前記係合具に係合して上下動不能に係止し、前記下フレーム材の床固着部をねじ具により床に固着し、設置体に便器本体の後側の外郭を着脱自在に取り付け、該後側の外郭により前記床固着部及びねじ具を覆い隠すことを特徴とする便器の床固定構造。   In a floor fixing structure of a toilet bowl, in which a support frame is disposed within the outer wall of a toilet body made of synthetic resin having a bowl portion, and the toilet body is attached to the support frame, the lower frame material provided at the lower end of the support frame The front part is a fitting part and the rear part is a floor fixing part, the front outline of the toilet body is configured by a skirt part having a substantially U shape in plan view, and the fitting part of the lower frame material is the lower end part of the skirt part The floor is fixed inside and the floor fixing part protrudes backward from the skirt part, and the fitting part is connected to the skirt part to form an installation body having a support frame and the skirt part, and the engaging tool is fixed to the floor. The lower frame material of the installation body is placed on the floor and the engagement tool is covered with the skirt portion of the installation body, and the front portion of the lower frame material is engaged with the engagement tool and cannot be moved up and down. The floor fixing part of the lower frame material is Secured to the floor, mounting a shell side detachably after the toilet bowl to the installation body, the floor structure for fixing the toilet bowl, characterized in that it obscures the floor fixing portion and screw member by the outer of the rear side. 上記嵌込部をスカート部の下端部に沿った平面視略Ｕ字状とし、係合具に前方に突出する係合突部を設け、該係合突部の下側の面に下フレーム材の前端部を係合することを特徴とする請求項１に記載の便器の床固定構造。   The fitting portion is substantially U-shaped in a plan view along the lower end portion of the skirt portion, and an engaging protrusion protruding forward is provided on the engaging tool, and a lower frame material is provided on a lower surface of the engaging protrusion. The toilet floor fixing structure according to claim 1, wherein the front end of the toilet is engaged. 上記係合具に上方に突出する縦片部を設けると共に該縦片部から上記係合突部を前方に向けて突設し、該係合突部の係合面となる下側の面を前側程上方に位置するよう傾斜させて成ることを特徴とする請求項２に記載の便器の床固定構造。   The engagement tool is provided with a vertical piece projecting upward, and the engagement projection is projected forward from the vertical piece, and a lower surface serving as an engagement surface of the engagement projection is provided. The toilet floor fixing structure according to claim 2, wherein the floor is fixed so that the front side is positioned upward.

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