JP6917826B2

JP6917826B2 - Bathroom heater

Info

Publication number: JP6917826B2
Application number: JP2017154961A
Authority: JP
Inventors: 芳広早川
Original assignee: Rinnai Corp
Current assignee: Rinnai Corp
Priority date: 2017-08-10
Filing date: 2017-08-10
Publication date: 2021-08-11
Anticipated expiration: 2037-08-10
Also published as: JP2019032144A

Description

本発明は、浴室暖房機、特に、浴室の天井に埋め込み状態で設置される浴室暖房機に関する。 The present invention relates to a bathroom heater, particularly a bathroom heater embedded in the ceiling of a bathroom.

従来、浴室の天井に開設された器具取付口に埋め込み状態で設置される所謂天井埋設式の浴室暖房機において、循環ファンによって本体ケース内に取り込まれた空気を浴室内へ導出するための送風路が、循環ファンの配設部から延設される固定の本体筒部と、本体筒部の下端部に上下移動可能な状態で連設される可動筒部とで構成されており、天井裏に設置された本体ケースに浴室側から天井を挟んでカバーを取り付ける際に、可動筒部を本体ケース内の所定の上位置から引き下げることで、天井の厚みにかかわらず、可動筒部の下端開口部をカバーの吹出口部に連結可能としたものが知られている（例えば、特許文献１参照）。 Conventionally, in a so-called ceiling-embedded bathroom heater that is installed in a state of being embedded in a fixture mounting port opened on the ceiling of a bathroom, an air passage for guiding air taken into the main body case by a circulation fan into the bathroom. However, it is composed of a fixed main body cylinder that extends from the arrangement part of the circulation fan and a movable cylinder that is continuously installed at the lower end of the main body cylinder so that it can be moved up and down. When attaching the cover to the installed main body case with the ceiling sandwiched from the bathroom side, by pulling down the movable cylinder part from the predetermined upper position in the main body case, the lower end opening of the movable cylinder part regardless of the thickness of the ceiling Is known to be connectable to the air outlet of the cover (see, for example, Patent Document 1).

特開２０１６−１３８６９３号公報Japanese Unexamined Patent Publication No. 2016-138693

しかしながら、上記従来の浴室暖房機では、可動筒部と本体筒部との間に所定のクリアランスが設けられているため、可動筒部を本体ケース内から引き下げる際に、可動筒部が前後左右にがたついて本体筒部に引っ掛かり、円滑に引き下げられない場合があった。 However, in the above-mentioned conventional bathroom heater, since a predetermined clearance is provided between the movable cylinder portion and the main body cylinder portion, when the movable cylinder portion is pulled down from the main body case, the movable cylinder portion moves back and forth and left and right. In some cases, it rattled and was caught in the cylinder of the main body and could not be pulled down smoothly.

本発明は、上記課題を鑑みてなされたものであり、その目的は、送風路の下端開口部の位置を上下に調整可能な浴室暖房機において、設置作業性の向上を図ることにある。 The present invention has been made in view of the above problems, and an object of the present invention is to improve installation workability in a bathroom heater in which the position of the lower end opening of the air passage can be adjusted up and down.

本発明は、浴室の天井裏に配設される下面開放箱状の本体ケースと、浴室内の空気を本体ケース内に導入する給気手段と、本体ケース内に導入される空気を浴室内へ導く送風路とを備えた浴室暖房機であって、送風路は、給気手段の配設部から本体ケース下面のケース開口部へ向かって延設される本体筒部と、本体筒部のケース開口部側の端部に上下移動可能な状態で連設され、下方に開口する可動筒部とで構成され、可動筒部の一側面部に設けられ、可動筒部を所定の上位置から下方へ移動可能に支持する案内部と、前記一側面部に対向する本体ケースの内部側壁に設けられ、案内部を上下摺動可能に係合保持する案内受け部とを有し、前記一側面部と内部側壁との対向方向を左右方向、左右方向および上下方向に直交する方向を前後方向としたとき、案内部および案内受け部の少なくとも一方が他方に対して前後方向に弾性係合することで、可動筒部の前後方向への移動が規制されるものである。 The present invention includes a box-shaped main body case having an open bottom surface arranged behind the ceiling of the bathroom, an air supply means for introducing air in the bathroom into the main body case, and air introduced into the main body case into the bathroom. It is a bathroom heater provided with a guiding air passage, and the air passage is a main body cylinder portion extending from an arrangement portion of an air supply means toward a case opening on the lower surface of the main body case, and a case of the main body cylinder portion. It is connected to the end on the opening side so that it can move up and down, and is composed of a movable cylinder that opens downward. It is provided on one side of the movable cylinder, and the movable cylinder is lowered from a predetermined upper position. It has a guide portion that movably supports the guide portion and a guide receiving portion that is provided on the inner side wall of the main body case facing the one side surface portion and holds the guide portion so as to be slidable up and down. When the direction opposite to the inner side wall is the left-right direction, and the direction orthogonal to the left-right direction and the up-down direction is the front-rear direction, at least one of the guide portion and the guide receiving portion elastically engages with the other in the front-rear direction. , The movement of the movable cylinder portion in the front-rear direction is restricted.

このものでは、可動筒部の一側面部に設けられた案内部と本体ケースの内部側壁に設けられた案内受け部とが、一側面部と内部側壁との対向方向に対して直交する前後方向に弾性係合し、可動筒部の前後方向への移動が規制されるから、可動筒部の下端開口部をカバーの吹出口部に連結する際に、可動筒部を上位置から円滑に引き下げることができる。 In this case, the guide portion provided on one side surface portion of the movable cylinder portion and the guide receiving portion provided on the inner side wall of the main body case are orthogonal to the facing direction between the one side surface portion and the inner side wall in the front-rear direction. Since the movable cylinder is elastically engaged with and the movement of the movable cylinder in the front-rear direction is restricted, the movable cylinder is smoothly pulled down from the upper position when the lower end opening of the movable cylinder is connected to the outlet of the cover. be able to.

本発明１は、上記浴室暖房機において、案内部は、基端寄りの位置に、案内受け部に対して前後方向の相反する外向きに係合し、可動筒部を前記上位置で掛止させる一対の仮止め部と、上端位置に、可動筒部が前記仮止め部により掛止された上位置から下位置へ移動した際に案内受け部に対して前後方向の相反する外向きに係合し、可動筒部の下方への移動を制限する一対の抜け止め部とを備える。 According to the first aspect of the present invention, in the bathroom heater, the guide portion engages with the guide receiving portion in opposite outward directions in the front-rear direction at a position closer to the base end, and the movable cylinder portion is hooked at the upper position. When the movable cylinder part moves from the upper position to the lower position, which is hooked by the temporary fixing part , at the upper end position with the pair of temporary fixing parts to be engaged, the guide receiving part is engaged in the opposite outward directions in the front-rear direction. In addition, it is provided with a pair of retaining portions that restrict the downward movement of the movable cylinder portion.

既述従来の浴室暖房機のように、可動筒部の一つの側面部に、仮止め用の爪部が外側対向面部へ向かって突設されており、外側対向面部に設けられた係合部に上記爪部が係合することで、可動筒部が本体ケース内の所定の上位置にて係合保持されるように構成されたものでは、上記側面部と外側対向面部とのクリアランス方向（対向方向）へのがたつきによって、爪部と係合部との位置関係にずれが生じ、一定の係合強度が得られなかった。そのため、可動筒部を上位置から容易に引き下げられなかったり、不用意に上位置から外れてしまったりする場合があった。 Like the conventional bathroom heater described above, a claw portion for temporary fixing is projected from one side surface portion of the movable cylinder portion toward the outer facing surface portion, and an engaging portion provided on the outer facing surface portion. In the case where the movable cylinder portion is configured to be engaged and held at a predetermined upper position in the main body case by engaging the claw portion with the above, the clearance direction between the side surface portion and the outer facing surface portion ( Due to the rattling in the opposite direction), the positional relationship between the claw portion and the engaging portion was displaced, and a constant engaging strength could not be obtained. Therefore, the movable cylinder portion may not be easily pulled down from the upper position or may be inadvertently removed from the upper position.

しかしながら、本発明では、案内部に設けられた仮止め部が案内受け部に対して前後方向の相反する方向から係合し、可動筒部を上位置で掛止させるように構成されているから、可動筒部の前後方向へのがたつきにかかわらず、一定の位置関係で仮止め部を案内受け部に係合させることができる。即ち、仮止め部と案内受け部との位置関係にずれが生じ難く、一定の係合強度を確保することができる。よって、可動筒部を上位置から引き下げる際に、仮止め部の案内受け部からの外れやすさにばらつきがなく、常に一定の力で引き下げることができる。可動筒部の下方への移動は、抜け止め部が案内受け部に係合する下位置までに制限される。 However, in the present invention, the temporary fixing portion provided on the guide portion is configured to engage with the guide receiving portion from opposite directions in the front-rear direction, and to hook the movable cylinder portion at the upper position. Regardless of the rattling of the movable cylinder portion in the front-rear direction, the temporary fixing portion can be engaged with the guide receiving portion in a fixed positional relationship. That is, the positional relationship between the temporary fixing portion and the guide receiving portion is unlikely to shift, and a constant engagement strength can be ensured. Therefore, when the movable cylinder portion is pulled down from the upper position, there is no variation in the ease of disengagement of the temporary fixing portion from the guide receiving portion, and the movable cylinder portion can always be pulled down with a constant force. The downward movement of the movable cylinder portion is limited to the lower position where the retaining portion engages with the guide receiving portion.

本発明２は、上記浴室暖房機において、本体ケース内に、可動筒部の前記一側面部と反対側に面する他側面部に当接し、可動筒部の上下方向への移動を許容し且つ左右方向への移動を規制するガイド板が設けられ、前記ガイド板は、本体筒部との間に隙間を有するように本体筒部の一方の側面部の上部から下方へ向かって延出形成され、前記可動筒部の他側面部は、本体筒部の一方の側面部とガイド板との間に形成される前記隙間に下方から挿通されて本体筒部の一方の側面部およびガイド板によって挟持される構成としたものである。
According to the second aspect of the present invention, in the bathroom heater, the movable cylinder portion abuts on the other side surface portion of the movable cylinder portion facing the opposite side of the one side surface portion, and the movable cylinder portion is allowed to move in the vertical direction. A guide plate for restricting movement in the left-right direction is provided, and the guide plate is formed so as to extend downward from the upper part of one side surface portion of the main body cylinder portion so as to have a gap between the guide plate and the main body cylinder portion. The other side surface portion of the movable cylinder portion is inserted from below into the gap formed between one side surface portion of the main body cylinder portion and the guide plate, and is sandwiched by one side surface portion of the main body cylinder portion and the guide plate. It is a configuration that is made.

このものでは、案内部および案内受け部によって可動筒部の前後方向への移動が規制される一方、ガイド板によって可動筒部の左右方向への移動が規制されるから、可動筒部をより円滑に上下移動させることができる。 In this case, the guide plate and the guide receiving portion regulate the movement of the movable cylinder portion in the front-rear direction, while the guide plate regulates the movement of the movable cylinder portion in the left-right direction, so that the movable cylinder portion is made smoother. Can be moved up and down.

以上のように、本発明によれば、可動筒部を円滑に上下移動させることができるから、可動筒部の下端開口部をカバーの吹出口部に連結する際の手間を軽減できる。よって、設置作業性が向上する。 As described above, according to the present invention, since the movable cylinder portion can be smoothly moved up and down, it is possible to reduce the time and effort required to connect the lower end opening of the movable cylinder portion to the air outlet portion of the cover. Therefore, the installation workability is improved.

図１は、本発明の実施の形態に係る浴室暖房機の側方視概略縦断面図である。FIG. 1 is a schematic vertical sectional view of a bathroom heater according to an embodiment of the present invention. 図２は、本発明の実施の形態に係る浴室暖房機の前方視概略縦断面図である。FIG. 2 is a schematic vertical sectional view of the bathroom heater according to the embodiment of the present invention. 図３は、本発明の実施の形態に係る浴室暖房機の案内部周辺の斜視図である。FIG. 3 is a perspective view of the vicinity of the guide portion of the bathroom heater according to the embodiment of the present invention. 図４は、本発明の実施の形態に係る浴室暖房機のガイド板周辺の斜視図である。FIG. 4 is a perspective view of the vicinity of the guide plate of the bathroom heater according to the embodiment of the present invention. 図５は、本発明の実施の形態に係る浴室暖房機の案内部周辺の他の形態Ａを示す斜視図である。FIG. 5 is a perspective view showing another embodiment A around the guide portion of the bathroom heater according to the embodiment of the present invention. 図６は、本発明の実施の形態に係る浴室暖房機の案内部周辺の他の形態Ｂを示す斜視図である。FIG. 6 is a perspective view showing another embodiment B around the guide portion of the bathroom heater according to the embodiment of the present invention. 図７は、本発明の実施の形態に係る浴室暖房機の案内部周辺の他の形態Ｃを示す斜視図である。FIG. 7 is a perspective view showing another embodiment C around the guide portion of the bathroom heater according to the embodiment of the present invention.

次に、本発明を実施するための形態について、添付図面を参照しながら詳述する。 Next, a mode for carrying out the present invention will be described in detail with reference to the accompanying drawings.

図１および図２に示すように、本発明の実施の形態に係る浴室暖房機１は、浴室４の天井４１に開設された器具取付口４１０に埋め込み状態で設置される所謂天井埋設式の浴室暖房機であって、下面が開放する略矩形箱状の本体ケース１１と、本体ケース１１の下面開口部（以下、「ケース開口部」という）１１０を下方から覆う下方視略長方形状のカバー１２とで外郭が構成されている。 As shown in FIGS. 1 and 2, the bathroom heater 1 according to the embodiment of the present invention is a so-called ceiling-embedded bathroom installed in a state of being embedded in an appliance mounting port 410 opened in the ceiling 41 of the bathroom 4. A heater, which is a substantially rectangular box-shaped main body case 11 whose lower surface is open, and a downward-viewing substantially rectangular cover 12 that covers the lower surface opening (hereinafter, referred to as “case opening”) 110 of the main body case 11 from below. The outer shell is composed of and.

カバー１２には、浴室４内の空気を本体ケース１１の内部（以下、「ケース内部」という）１０に導入するための複数のスリットからなる吸込口１２１と、ケース内部１０に導入された空気を浴室４に導出するための略矩形長孔状の吹出口１２２とが設けられている。吹出口１２２は、カバー１２の一方の長縁１２Ａ寄りの位置に延設されている。尚、本明細書では、本体ケース１１の上記長縁１２Ａ側、即ち、吹出口１２２側の側壁を前壁１１Ａ、上記長縁１２Ａと反対側に位置し、前壁１１Ａに対向する側壁を後壁１１Ｂ、前壁１１Ａおよび後壁１１Ｂの側縁部相互を繋ぐ二つの対向する側壁をそれぞれ左側壁１１Ｃおよび右側壁１１Ｄとして、前壁１１Ａおよび後壁１１Ｂ相互の対向方向を前後方向、左側壁１１Ｃおよび右側壁１１Ｄ相互の対向方向を左右方向、前後および左右方向それぞれに直交する方向を上下方向という。 The cover 12 has a suction port 121 formed of a plurality of slits for introducing the air in the bathroom 4 into the inside of the main body case 11 (hereinafter, referred to as “inside the case”) 10, and the air introduced into the case inside 10. A substantially rectangular elongated hole-shaped air outlet 122 is provided for leading to the bathroom 4. The air outlet 122 extends at a position closer to one long edge 12A of the cover 12. In the present specification, the side wall of the main body case 11 on the long edge 12A side, that is, the side wall on the outlet 122 side is located on the front wall 11A and on the side opposite to the long edge 12A, and the side wall facing the front wall 11A is rearward. The two facing side walls connecting the side edges of the wall 11B, the front wall 11A and the rear wall 11B are the left side wall 11C and the right side wall 11D, respectively, and the front wall 11A and the rear wall 11B face each other in the front-rear direction and the left side wall. The direction in which the 11C and the right side wall 11D face each other is referred to as the left-right direction, and the direction orthogonal to each of the front-back and left-right directions is referred to as the up-down direction.

本体ケース１１の下端外周縁の外周には、全周に亘って外向きにフランジ１１２が形成されており、本体ケース１１は、ケース開口部１１０を器具取付口４１０に上方（天井裏４０側）から臨ませ、フランジ１１２の上面を器具取付口４１０の周縁下部に当接させた状態で、図示しない複数の吊り下げボルトおよびナットによって天井裏４０に固定される。一方、カバー１２は、器具取付口４１０の全体を下方から覆うようにして本体ケース１１に浴室４側からねじ留め固定される。このように、浴室暖房機１は、先に天井裏４０に本体ケース１１を固定しておき、フランジ１１２とカバー１２とで天井４１を上下から挟むようにして設置される。 A flange 112 is formed outwardly over the entire circumference of the outer peripheral edge of the lower end of the main body case 11, and the main body case 11 has a case opening 110 above the fixture mounting port 410 (attic 40 side). The upper surface of the flange 112 is fixed to the attic 40 by a plurality of hanging bolts and nuts (not shown) in a state where the upper surface of the flange 112 is in contact with the lower part of the peripheral edge of the fixture mounting port 410. On the other hand, the cover 12 is screwed and fixed to the main body case 11 from the bathroom 4 side so as to cover the entire fixture mounting port 410 from below. In this way, the bathroom heater 1 is installed so that the main body case 11 is first fixed to the ceiling 40 and the ceiling 41 is sandwiched between the flange 112 and the cover 12 from above and below.

ケース内部１０には、浴室４内の空気をケース内部１０の送風路１３を通じて循環させる循環ファン１４と、送風路１３内に導入される空気を加熱する熱交換器１５とが組み込まれている。本体ケース１１の前壁１１Ａには、浴室４内の空気をケース内部１０に導入し、図示しない排気筒を通じて室外に排出する排気ファン１７が設けられている。このように、本実施の形態に係る浴室暖房機１は、排気ファン１７を備えた空気調和機であり、浴室４内の空気を熱交換器１５により加熱し循環させる暖房運転に加え、浴室４内の空気を排気ファン１７によって室外へ排出させつつ、循環ファン１４によって浴室４内に循環させる乾燥運転、浴室４内の空気を排気ファン１７によって室外へ排出させる換気運転等を実行可能に構成されている。 The case interior 10 incorporates a circulation fan 14 that circulates the air in the bathroom 4 through the air passage 13 of the case interior 10, and a heat exchanger 15 that heats the air introduced into the air passage 13. The front wall 11A of the main body case 11 is provided with an exhaust fan 17 that introduces the air in the bathroom 4 into the case inside 10 and discharges it to the outside through an exhaust pipe (not shown). As described above, the bathroom heater 1 according to the present embodiment is an air conditioner provided with an exhaust fan 17, and in addition to the heating operation in which the air in the bathroom 4 is heated and circulated by the heat exchanger 15, the bathroom 4 It is configured to be able to execute a drying operation in which the air inside is discharged to the outside by the exhaust fan 17 and circulated in the bathroom 4 by the circulation fan 14, a ventilation operation in which the air in the bathroom 4 is discharged to the outside by the exhaust fan 17. ing.

循環ファン１４は、左右に長い略円筒状のシロッコファンであり、送風路１３の左右の内側面相互間に回動自在に軸支されている。図示しないが、循環ファン１４の一方端の軸部には、循環ファン１４の駆動源となるファンモータが接続されている。 The circulation fan 14 is a substantially cylindrical sirocco fan that is long to the left and right, and is rotatably supported between the left and right inner surfaces of the air passage 13. Although not shown, a fan motor serving as a drive source for the circulation fan 14 is connected to a shaft portion at one end of the circulation fan 14.

熱交換器１５は、図示しない熱源機から供給される湯等の熱媒の熱により周囲の空気を加熱する熱媒循環式の熱交換器であって、左右方向に対向して複数縦並びで配設される吸熱フィン１５１と、吸熱フィン１５１に左右方向から貫挿される複数の吸熱管１５２とで構成され、送風路１３における循環ファン１４より下流側（吸込口１２１側）の位置に設けられている。 The heat exchanger 15 is a heat medium circulation type heat exchanger that heats the surrounding air by the heat of a heat medium such as hot water supplied from a heat source machine (not shown), and a plurality of heat exchangers 15 are arranged vertically facing each other in the left-right direction. It is composed of a heat absorbing fin 151 to be arranged and a plurality of heat absorbing tubes 152 inserted into the heat absorbing fin 151 from the left and right directions, and is provided at a position downstream of the circulation fan 14 (suction port 121 side) in the air passage 13. ing.

送風路１３は、循環ファン１４の配設部からケース開口部１１０の前寄りの位置へ向かって斜め前方下向きに延設される本体筒部２０と、本体筒部２０のケース開口部１１０側の端部（以下、「下流端部」という）２０１から下方へ向かって延設される可動筒部２１とで構成されている。本体筒部２０および可動筒部２１は何れも、左右方向に広幅の略矩形筒状に形成されている。可動筒部２１の下端側の開口部（以下、「下端開口部」という）１３０が送風路１３の下流端となり、カバー１２の吹出口１２２の周縁部に上方から連結される。 The air passage 13 is provided on the main body cylinder portion 20 extending diagonally forward and downward from the arrangement portion of the circulation fan 14 toward the front position of the case opening 110, and on the case opening 110 side of the main body cylinder 20. It is composed of a movable cylinder portion 21 extending downward from an end portion (hereinafter, referred to as “downstream end portion”) 201. Both the main body cylinder portion 20 and the movable cylinder portion 21 are formed in a substantially rectangular cylinder shape having a wide width in the left-right direction. The opening 130 on the lower end side of the movable cylinder portion 21 (hereinafter, referred to as “lower end opening”) becomes the downstream end of the air passage 13, and is connected to the peripheral edge of the air outlet 122 of the cover 12 from above.

本体筒部２０は、本体ケース１１と一体的に構成されており、ケース内部１０の前後間の略中央位置からケース開口部１１０と略一致する位置まで延出形成されている。熱交換器１５は、本体筒部２０の上流側の空間にて循環ファン１４を下方および後方から覆うように配設されている。 The main body cylinder portion 20 is integrally formed with the main body case 11, and is formed so as to extend from a substantially central position between the front and rear of the case inner 10 to a position substantially coincident with the case opening 110. The heat exchanger 15 is arranged so as to cover the circulation fan 14 from below and behind in the space on the upstream side of the main body cylinder portion 20.

可動筒部２１は、ケース内部１０に収容された所定の上位置（仮止め位置）と、ケース開口部１１０より下方へ突出した所定の下位置との間で上下に摺動可能な状態で本体筒部２０の下流端部２０１の外周に環装されている。図示しないが、下端開口部１３０の周縁部には、可動筒部２１を吹出口１２２の周縁部にねじ留め固定するためのねじ孔が設けられており、本体ケース１１にカバー１２をねじ留め固定した後、上記ねじ孔にカバー１２の下面側からねじを螺入接続することによって、下端開口部１３０が吹出口１２２の周縁部に当接し連結される。これにより、器具取付口４１０の周縁の厚みが異なっても、可動筒部２１の下端開口部１３０と吹出口１２２の周縁部との間に不要な隙間が形成されず、空気漏れが生じ難い。 The movable cylinder portion 21 is in a state where it can slide up and down between a predetermined upper position (temporary fixing position) housed in the case inner portion 10 and a predetermined lower position protruding downward from the case opening 110. It is ring-mounted on the outer periphery of the downstream end portion 201 of the tubular portion 20. Although not shown, the peripheral edge of the lower end opening 130 is provided with a screw hole for screwing and fixing the movable cylinder 21 to the peripheral edge of the outlet 122, and the cover 12 is screwed and fixed to the main body case 11. Then, by screwing and connecting a screw to the screw hole from the lower surface side of the cover 12, the lower end opening 130 abuts and is connected to the peripheral edge of the air outlet 122. As a result, even if the thickness of the peripheral edge of the instrument mounting port 410 is different, an unnecessary gap is not formed between the lower end opening 130 of the movable cylinder portion 21 and the peripheral edge of the air outlet 122, and air leakage is unlikely to occur.

可動筒部２１の内側には、運転時に空気の吹出方向を変更し、停止時に下端開口部１３０を被閉可能なルーバ１８が設けられている。図２に示すように、ルーバ１８は、左右両軸端１８Ｃ，１８Ｄにて可動筒部２１の左右の側面部２１Ｃ，２１Ｄに回動可能に支持されている。ルーバ１８の一方の軸端（ここでは、右軸端）１８Ｄは、ルーバ１８を回動させるための風向制御モータ１８０に接続されている。風向制御モータ１８０は、可動筒部２１の一方の側面部（ここでは、右側面部、以下、「可動筒右側面部」という）２１Ｄの外側面に取り付けられている。 Inside the movable cylinder portion 21, a louver 18 is provided that can change the air blowing direction during operation and close the lower end opening 130 when stopped. As shown in FIG. 2, the louver 18 is rotatably supported by the left and right side surface portions 21C and 21D of the movable cylinder portion 21 at the left and right shaft ends 18C and 18D. One shaft end (here, the right shaft end) 18D of the louver 18 is connected to a wind direction control motor 180 for rotating the louver 18. The wind direction control motor 180 is attached to the outer surface of one side surface portion (here, the right side surface portion, hereinafter referred to as “the right side surface portion of the movable cylinder) 21D of the movable cylinder portion 21).

図２および図３に示すように、可動筒部２１の他方の側面部（ここでは、左側面部、以下、「可動筒左側面部」という）２１Ｃの外周面には、可動筒部２１を本体ケース１１内の所定の上位置から下方へ移動可能に支持する案内部としての爪部２２が設けられている。 As shown in FIGS. 2 and 3, the movable cylinder portion 21 is mounted on the outer peripheral surface of the other side surface portion (here, the left side surface portion, hereinafter referred to as “the left side surface portion of the movable cylinder”) 21C of the movable cylinder portion 21 as the main body case. A claw portion 22 is provided as a guide portion that supports the portion 11 so as to be movable downward from a predetermined upper position.

本体ケース１１の左側壁１１Ｃの内側には、浴室暖房機１の動作を制御する制御基板等の電装部品を収容する略矩形箱状の電装ケース１９が設けられており、可動筒部左側面部２１Ｃは、電装ケース１９の右側面部１９Ｄに対向している。即ち、電装ケース１９の右側面部（以下、「ケース内側壁」という）１９Ｄが、可動筒左側面部２１Ｃの外側対向面部として本体ケース１１の内部側壁の一つを構成している。 Inside the left side wall 11C of the main body case 11, a substantially rectangular box-shaped electrical case 19 for accommodating electrical components such as a control board that controls the operation of the bathroom heater 1 is provided, and the left side surface portion 21C of the movable cylinder portion 21C. Faces the right side surface portion 19D of the electrical case 19. That is, the right side surface portion (hereinafter referred to as “case inner side wall”) 19D of the electrical case 19 constitutes one of the inner side walls of the main body case 11 as the outer facing surface portion of the movable cylinder left side surface portion 21C.

ケース内側壁１９Ｄの外側面には、爪部２２を上下摺動可能に係合保持する案内受け部としての爪係合部３２が設けられている。爪係合部３２は、ケース内側壁１９Ｄの外側面から右側方、即ち、可動筒左側面部２１Ｃ側へ向かって突出形成されており、可動筒部２１が所定の上位置にあるとき、可動筒左側面部２１Ｃに形成された台状部２１１の上面が爪係合部３２の下面に当接することで、可動筒部２１の上位置より上方への移動が規制される。 On the outer surface of the inner side wall 19D of the case, a claw engaging portion 32 as a guide receiving portion for engaging and holding the claw portion 22 so as to be slidable up and down is provided. The claw engaging portion 32 is formed so as to project from the outer surface of the inner side wall 19D of the case toward the right side, that is, toward the left side surface portion 21C of the movable cylinder, and when the movable cylinder portion 21 is in a predetermined upper position, the movable cylinder portion 32 is formed. When the upper surface of the trapezoidal portion 211 formed on the left side surface portion 21C abuts on the lower surface of the claw engaging portion 32, the movement of the movable cylinder portion 21 upward from the upper position is restricted.

爪係合部３２の略中央部には、上下方向に開放する略長方形状の爪挿入孔３２０が開設されており、可動筒部２１の爪部２２は、爪挿入孔３２０に下方から上下摺動可能に挿通されている。 A substantially rectangular claw insertion hole 320 that opens in the vertical direction is provided in the substantially central portion of the claw engaging portion 32, and the claw portion 22 of the movable cylinder portion 21 slides vertically into the claw insertion hole 320 from below. It is movably inserted.

図３に示すように、爪部２２は、前後に並ぶ二つの細長板状のスライド板片２２１，２２２で構成されている。スライド板片２２１，２２２はそれぞれ、上記台状部２１１の上面から上方へ向かって延出形成されている。 As shown in FIG. 3, the claw portion 22 is composed of two elongated plate-shaped slide plate pieces 221, 222 arranged in the front-rear direction. The slide plate pieces 221, 222 are formed so as to extend upward from the upper surface of the trapezoidal portion 211, respectively.

スライド板片２２１，２２２の右側面部（以下、「爪右側面部」という）２２Ｄはそれぞれ、爪挿入孔３２０の内周右側面部（以下、「挿入孔右側面部」という）３２Ｃに近接対向しており、爪右側面部２２Ｄが挿入孔右側面部３２Ｃに面接触することで、可動筒部２１の右方への移動が規制される。 The right side surfaces (hereinafter, "right side surface of the claw") 22D of the slide plate pieces 221, 222 respectively face each other in close proximity to the right side surface of the inner circumference of the claw insertion hole 320 (hereinafter, "right side surface of the insertion hole") 32C. The right side surface portion 22D of the claw comes into surface contact with the right side surface portion 32C of the insertion hole, so that the movable cylinder portion 21 is restricted from moving to the right.

可動筒部２１が所定の上位置にあるとき、前側のスライド板片２２１の前面部（以下、「爪前面部」という）２２Ａは、爪挿入孔３２０の内周前面部３２Ａに面接触し、後側のスライド板片２２２の後面部（以下、「爪後面部」という）２２Ｂは、爪挿入孔３２０の内周後面部３２Ｂに面接触している。 When the movable cylinder portion 21 is in a predetermined upper position, the front surface portion (hereinafter, referred to as “claw front surface portion”) 22A of the front slide plate piece 221 comes into surface contact with the inner peripheral front surface portion 32A of the claw insertion hole 320. The rear surface portion (hereinafter, referred to as “claw rear surface portion”) 22B of the slide plate piece 222 on the rear side is in surface contact with the inner peripheral rear surface portion 32B of the claw insertion hole 320.

スライド板片２２１，２２２は何れも前後方向へ所定の範囲内で揺動可能な弾性を有しており、爪前面部２２Ａおよび爪後面部２２Ｂがそれぞれ、爪挿入孔３２０の対向する内周面部、即ち、内周前面部３２Ａ又は内周後面部３２Ｂに対して弾性的に接触係合することで、可動筒部２１の前後方向への移動が規制される。 The slide plate pieces 221, 222 all have elasticity that allows them to swing in the front-rear direction within a predetermined range, and the claw front surface portion 22A and the claw rear surface portion 22B each have an inner peripheral surface portion of the claw insertion hole 320 facing each other. That is, the movement of the movable cylinder portion 21 in the front-rear direction is restricted by elastically contacting and engaging with the inner peripheral front surface portion 32A or the inner peripheral rear surface portion 32B.

爪前面部２２Ａおよび爪後面部２２Ｂの基端寄りの位置にはそれぞれ、前後相反する外向きに突出形成され、爪挿入孔３２０の周縁上部３２１に対して前後方向の相反する外向きに上方から係合することで、可動筒部２１を所定の上位置で掛止させる仮止め部としての仮止め用突起３３が設けられている。 The front surface portion 22A of the nail and the rear surface portion 22B of the nail are formed so as to protrude outwardly opposite to each other in the front-rear direction, respectively, from above in the opposite outward direction with respect to the upper peripheral edge 321 of the nail insertion hole 320. A temporary fixing protrusion 33 is provided as a temporary fixing portion for hooking the movable cylinder portion 21 at a predetermined upper position by engaging with the movable cylinder portion 21.

爪前面部２２Ａおよび爪後面部２２Ｂの上端位置にはそれぞれ、前後相反する外向きに突出形成され、可動筒部２１が上位置（仮止め位置）から下位置へ移動した際に、爪挿入孔３２０の周縁上部３２１に対して前後方向の相反する外向きに上方から係合することで、可動筒部２１の脱落を防止する抜け止め用突起３４が設けられている。 The upper end positions of the claw front surface portion 22A and the claw rear surface portion 22B are respectively formed so as to project outwardly opposite to each other, and when the movable cylinder portion 21 moves from the upper position (temporary fixing position) to the lower position, the claw insertion hole is formed. A retaining protrusion 34 is provided to prevent the movable cylinder portion 21 from falling off by engaging with the upper peripheral portion 321 of the 320 in the opposite outward directions in the front-rear direction from above.

仮止め用突起３３は、外側下面（外側面下半域）が外向き上方に傾斜し、外側下面（外側面上半域）が外向き下方に傾斜する側方視略Ｖ字状に形成されている。従って、可動筒部２１が上位置から引き下げられると、爪挿入孔３２０の周縁上部３２１から仮止め用突起３３の外側下面に対して内向き（前後方向）に押圧力が加わり、スライド板片２２１，２２２を内側へ弾性をもって傾倒させつつ、仮止め用突起３３がスライド板片２２１，２２２の弾性力に抗して爪挿入孔３２０の内側に入り込む。これにより、仮止め用突起３３と周縁上部３２１との掛止状態が解除される。そしてさらに可動筒部２１が引き下げられ、仮止め用突起３３に対する押圧力が消失すると、可動筒部２１は自在に上下移動可能な状態となる。 The temporary fixing protrusion 33 is formed in a substantially V-shape in a lateral view in which the outer lower surface (lower half area of the outer surface) is inclined outward and upward, and the outer lower surface (upper half area of the outer surface) is inclined outward and downward. ing. Therefore, when the movable cylinder portion 21 is pulled down from the upper position, a pressing force is applied inward (front-back direction) from the upper peripheral portion 321 of the claw insertion hole 320 to the outer lower surface of the temporary fixing protrusion 33, and the slide plate piece 221 , 222 is elastically tilted inward, and the temporary fixing protrusion 33 enters the inside of the claw insertion hole 320 against the elastic force of the slide plate pieces 221,222. As a result, the hooked state between the temporary fixing protrusion 33 and the peripheral upper portion 321 is released. Then, when the movable cylinder portion 21 is further pulled down and the pressing force on the temporary fixing protrusion 33 disappears, the movable cylinder portion 21 is in a state where it can freely move up and down.

但し、スライド板片２２１，２２２の上端には、抜け止め用突起３４が爪前面部２２Ａおよび爪後面部２２Ｂからそれぞれ外向き（前後方向）に突出形成されているため、可動筒部２１の下方への移動は、抜け止め用突起３４が爪挿入孔３２０の周縁上部３２１に係合する下位置までに制限される。 However, since the retaining protrusions 34 are formed so as to protrude outward (front-back direction) from the claw front surface portion 22A and the claw rear surface portion 22B at the upper ends of the slide plate pieces 221, 222, respectively, the lower side of the movable cylinder portion 21. The movement to the claw insertion hole 320 is limited to the lower position where the retaining protrusion 34 engages with the upper peripheral edge 321 of the claw insertion hole 320.

一方、可動筒部２１が下位置から押し上げられ、爪挿入孔３２０の周縁下部３２２が仮止め用突起３３の外側上面に当接すると、爪挿入孔３２０の周縁下部３２２から上記外側上面に対して内向き（前後方向）に押圧力が加わり、スライド板片２２１，２２２を内側へ弾性をもって傾倒させつつ、仮止め用突起３３がスライド板片２２１，２２２の弾性力に抗して爪挿入孔３２０の内側に入り込む。そしてさらに可動筒部２１が押し上げられると、仮止め用突起３３が爪挿入孔３２０の周縁上部３２１に係合されると共に、爪前面部２２Ａおよび爪後面部２２Ｂがそれぞれ、爪挿入孔３２０の対向する内周面部（内周前面部３２Ａ又は内周後面部３２Ｂ）に接触係合し、可動筒部２１は上位置にて係合保持された状態となる。 On the other hand, when the movable cylinder portion 21 is pushed up from the lower position and the lower peripheral edge 322 of the claw insertion hole 320 comes into contact with the outer upper surface of the temporary fixing protrusion 33, the lower peripheral edge 322 of the claw insertion hole 320 with respect to the outer upper surface. A pressing force is applied inward (front-back direction), and while the slide plate pieces 211 and 222 are elastically tilted inward, the temporary fixing protrusion 33 resists the elastic force of the slide plate pieces 221,222 and the claw insertion hole 320. Get inside. When the movable cylinder portion 21 is further pushed up, the temporary fixing protrusion 33 is engaged with the upper peripheral portion 321 of the claw insertion hole 320, and the claw front surface portion 22A and the claw rear surface portion 22B face each other of the claw insertion hole 320. The movable cylinder portion 21 is engaged and held in the upper position by contacting and engaging with the inner peripheral surface portion (inner peripheral front surface portion 32A or inner peripheral rear surface portion 32B).

尚、本実施の形態に係る浴室暖房機１では、設置前の工場出荷状態において、可動筒部２１を本体ケース１１内の所定の上位置、即ち、仮止め位置で係合保持させている。従って、設置する際には、上記のように本体ケース１１を天井裏４０に吊り下げ固定した後、本体ケース１１に浴室４側からカバー１２を取り付け、可動筒部２１の周縁部に設けられたねじ孔にカバー１２の下面側からねじ締めしていく。これにより、可動筒部２１が引き下げられて爪係合部３２に対する仮止め用突起３３の掛止状態が解除され、さらにねじ締めすることで下端開口部１３０と吹出口１２２の周縁部とが連結される。また、設置後、メンテナンスを行うにあたって、本体ケース１１からカバー１２が外された場合は、可動筒部２１を元の仮止め位置まで押し上げて、仮止め用突起３３が爪係合部３２に掛止された状態に戻しておく。このように、可動筒部２１を仮止め位置で係合保持させておくことで、可動筒部２１がケース開口部１１０より下方へ突出しないから、設置時やメンテナンス後、カバー１２を本体ケース１１に取り付ける際に、可動筒部２１が作業の邪魔にならないし、カバー１２と可動筒部２１との接触による傷や破損を防止することもできる。 In the bathroom heater 1 according to the present embodiment, the movable cylinder portion 21 is engaged and held at a predetermined upper position in the main body case 11, that is, a temporary fixing position in the factory-shipped state before installation. Therefore, at the time of installation, after the main body case 11 is suspended and fixed to the ceiling 40 as described above, the cover 12 is attached to the main body case 11 from the bathroom 4 side and provided on the peripheral edge of the movable cylinder portion 21. Tighten the screw holes from the lower surface side of the cover 12. As a result, the movable cylinder portion 21 is pulled down to release the hooked state of the temporary fixing protrusion 33 with respect to the claw engaging portion 32, and further screw tightening connects the lower end opening 130 and the peripheral edge of the air outlet 122. Will be done. Further, when the cover 12 is removed from the main body case 11 for maintenance after installation, the movable cylinder portion 21 is pushed up to the original temporary fixing position, and the temporary fixing protrusion 33 is hooked on the claw engaging portion 32. Return it to the stopped state. By engaging and holding the movable cylinder portion 21 at the temporarily fixed position in this way, the movable cylinder portion 21 does not protrude downward from the case opening 110, so that the cover 12 can be attached to the main body case 11 during installation or after maintenance. The movable cylinder portion 21 does not interfere with the work when it is attached to the cover 12, and it is possible to prevent scratches and damage due to contact between the cover 12 and the movable cylinder portion 21.

図２および図４に示すように、本体ケース１１内には、可動筒部２１の一方の側面部（ここでは、可動筒右側面部）２１Ｄに外側から当接することで、可動筒部２１の上下方向への移動を許容し且つ左右方向（ここでは、右方向）への移動を規制するガイド板２４が設けられている。 As shown in FIGS. 2 and 4 , the movable cylinder portion 21 is moved up and down by abutting the inside of the main body case 11 from the outside on one side surface portion (here, the right side portion of the movable cylinder) 21D of the movable cylinder portion 21. A guide plate 24 is provided that allows movement in the direction and restricts movement in the left-right direction (here, the right direction).

ガイド板２４は、本体筒部２０の一方の側面部（ここでは、右側面部、以下、「本体筒右側面部」という）２０Ｄから下方へ向かって、本体筒右側面部２０Ｄと略平行に延出形成されており、本体筒右側面部２０Ｄとガイド板２４との間には、所定の間隙Ｓが形成されている。可動筒右側面部２１Ｄは、上記間隙Ｓに下方から挿通される。即ち、可動筒部２１は、可動筒右側面部２１Ｄが本体筒右側面部２０Ｄおよびガイド板２４によって左右から挟持されることで、上下方向への移動が許容され且つ左右方向への移動が規制される。 The guide plate 24 extends downward from one side surface portion (here, the right side surface portion, hereinafter referred to as “main body cylinder right surface portion”) 20D of the main body cylinder portion 20 substantially parallel to the main body cylinder right side surface portion 20D. A predetermined gap S is formed between the right side surface portion 20D of the main body cylinder and the guide plate 24. The movable cylinder right side surface portion 21D is inserted into the gap S from below. That is, the movable cylinder portion 21 is allowed to move in the vertical direction and the movement in the left-right direction is restricted by sandwiching the movable cylinder right side surface portion 21D by the main body cylinder right side surface portion 20D and the guide plate 24 from the left and right. ..

上記浴室暖房機１によれば、可動筒左側面部２１Ｃに設けられた爪部２２とケース内側壁１９Ｄに設けられた爪係合部３２とが、可動筒左側面部２１Ｃとケース内側壁１９Ｄとの対向方向に対して直交する前後方向に弾性係合し、可動筒部２１の前後方向への移動が規制されるから、可動筒部２１の下端開口部１３０をカバー１２の吹出口１２２の周縁部に連結する際に、可動筒部２１を上位置から円滑に引き下げることができる。これにより、可動筒部２１の下端開口部１３０を吹出口１２２の周縁部に連結する手間を軽減でき、設置作業性が向上する。 According to the bathroom heater 1, the claw portion 22 provided on the left side surface portion 21C of the movable cylinder and the claw engaging portion 32 provided on the inner side wall 19D of the case are formed between the left side surface portion 21C of the movable cylinder and the inner side wall 19D of the case. Since the movable cylinder portion 21 is elastically engaged in the front-rear direction orthogonal to the opposite direction and the movement of the movable cylinder portion 21 in the front-rear direction is restricted, the lower end opening 130 of the movable cylinder portion 21 is covered with the peripheral edge portion of the outlet 122 of the cover 12. The movable cylinder portion 21 can be smoothly pulled down from the upper position when connected to. As a result, it is possible to reduce the time and effort required to connect the lower end opening 130 of the movable cylinder portion 21 to the peripheral edge portion of the air outlet 122, and the installation workability is improved.

しかも、このものでは、爪部２２に設けられた仮止め用突起３３が爪係合部３２に対して前後方向の相反する方向から係合することで、可動筒部２１を上位置で掛止させるから、可動筒部２１の前後方向へのがたつきにかかわらず、常に一定の位置関係で仮止め用突起３３を爪係合部３２に係合させることができる。即ち、仮止め用突起３３と爪係合部３２との位置関係にずれが生じ難く、一定の係合強度を確保することができる。これにより、可動筒部２１を仮止め位置から引き下げる際に、仮止め用突起３３の爪係合部３２からの外れやすさにばらつきがなく、常に一定の力で引き下げることができる。よって、設置作業性が一層向上する。 Moreover, in this case, the temporary fixing protrusion 33 provided on the claw portion 22 engages with the claw engaging portion 32 from opposite directions in the front-rear direction, whereby the movable cylinder portion 21 is hooked at the upper position. Therefore, regardless of the rattling of the movable cylinder portion 21 in the front-rear direction, the temporary fixing protrusion 33 can always be engaged with the claw engaging portion 32 in a constant positional relationship. That is, the positional relationship between the temporary fixing protrusion 33 and the claw engaging portion 32 is unlikely to shift, and a constant engaging strength can be ensured. As a result, when the movable cylinder portion 21 is pulled down from the temporary fixing position, there is no variation in the ease of disengagement of the temporary fixing protrusion 33 from the claw engaging portion 32, and the movable cylinder portion 21 can always be pulled down with a constant force. Therefore, the installation workability is further improved.

また、このものでは、爪部２２および爪係合部３２によって可動筒部２１の前後方向への移動が規制される一方、本体ケース１１内に設けられたガイド板２４によって、可動筒部２１の左右方向への移動が規制されるから、可動筒部２１をより円滑に上下移動させることができる。これにより、可動筒部２１の下端開口部１３０を吹出口１２２の周縁部に連結する手間を一層軽減でき、設置作業性が一層向上する。 Further, in this case, the movement of the movable cylinder portion 21 in the front-rear direction is restricted by the claw portion 22 and the claw engaging portion 32, while the guide plate 24 provided in the main body case 11 restricts the movement of the movable cylinder portion 21. Since the movement in the left-right direction is restricted, the movable cylinder portion 21 can be moved up and down more smoothly. As a result, the time and effort required to connect the lower end opening 130 of the movable cylinder 21 to the peripheral edge of the air outlet 122 can be further reduced, and the installation workability is further improved.

特に、上記浴室暖房機１では、可動筒右側面部２１Ｄにルーバ１８の風向制御モータ１８０が設けられており、可動筒部２１の重心は、左右間の中央より右側、即ち、可動筒右側面部２１Ｄ側に偏っている。そのため、可動筒部２１は、上位置から引き下げる際に、爪部２２と爪係合部３２との係合部を軸として右側下方に傾く傾向にある。しかしながら、このものでは、可動筒右側面部２１Ｄの外側にガイド板２４が設けられているから、可動筒部２１が上記のように右側下方に大きく傾くのも規制される。これにより、可動筒部２１をより円滑に上下移動させることができ、設置作業性が一層良好である。 In particular, in the bathroom heater 1, the wind direction control motor 180 of the louver 18 is provided on the right side surface portion 21D of the movable cylinder, and the center of gravity of the movable cylinder portion 21 is on the right side of the center between the left and right, that is, the right side surface portion 21D of the movable cylinder. It is biased to the side. Therefore, when the movable cylinder portion 21 is pulled down from the upper position, the movable cylinder portion 21 tends to tilt downward on the right side with the engaging portion between the claw portion 22 and the claw engaging portion 32 as an axis. However, in this case, since the guide plate 24 is provided on the outside of the movable cylinder right side surface portion 21D, it is also restricted that the movable cylinder portion 21 is greatly tilted downward on the right side as described above. As a result, the movable cylinder portion 21 can be moved up and down more smoothly, and the installation workability is further improved.

さらに、このものでは、爪右側面部２２Ｄが挿入孔右側面部３２Ｃに面接触することで、可動筒部２１の左右方向への移動がより確実に規制されるから、可動筒部２１をより円滑に上下移動させることができる。これにより、可動筒部２１の下端開口部１３０を吹出口１２２の周縁部に連結する手間を一層軽減でき、設置作業性が一層向上する。 Further, in this case, since the right side surface portion 22D of the claw comes into surface contact with the right side surface portion 32C of the insertion hole, the movement of the movable cylinder portion 21 in the left-right direction is more reliably restricted, so that the movable cylinder portion 21 can be made smoother. It can be moved up and down. As a result, the time and effort required to connect the lower end opening 130 of the movable cylinder 21 to the peripheral edge of the air outlet 122 can be further reduced, and the installation workability is further improved.

上記実施の形態では、爪部２２が前後に並ぶ二つのスライド板片２２１，２２２で構成されたものを説明したが、図５に示す形態Ａおよび図６に示す形態Ｂのように、爪部２２が一つの略板状に形成されたものとしてもよい。 In the above embodiment, the one in which the claw portions 22 are composed of two slide plate pieces 221, 222 arranged in the front-rear direction has been described, but as in the form A shown in FIG. 5 and the form B shown in FIG. 22 may be formed in the shape of one substantially plate.

詳述すると、図５に示す形態Ａでは、爪部２２の前後方向の中央部に弾性を有する薄肉部２２０が形成されており、薄肉部２２０の前後方向への弾性力によって、爪前面部２２Ａおよび爪後面部２２Ｂがそれぞれ、爪挿入孔３２０の対向する内周面部（内周前面部３２Ａ又は内周後面部３２Ｂ）に弾性をもって接触係合する。また、可動筒部２１が上位置から引き下げられ、仮止め用突起３３と爪係合部３２との当接部に前後方向から押圧力が加わった場合は、薄肉部２２０が弾性変形して、爪係合部３２に対する仮止め用突起３３の掛止状態が解除される。これにより、上記実施形態と同様の作用効果を奏する。また、爪部２２を上記のような構成としたことで、前後方向からの押圧力に対する爪部２２の十分な変形強度を確保できるから、可動筒部２１が繰り返し上下移動されても、爪部２２と爪係合部３２との係合力が低下し難い。 More specifically, in the form A shown in FIG. 5, a thin-walled portion 220 having elasticity is formed in the central portion of the claw portion 22 in the front-rear direction, and the front surface portion 22A of the claw is formed by the elastic force of the thin-walled portion 220 in the front-rear direction. And the claw rear surface portion 22B elastically contact and engage with the opposite inner peripheral surface portion (inner peripheral front surface portion 32A or inner peripheral rear surface portion 32B) of the claw insertion hole 320, respectively. Further, when the movable cylinder portion 21 is pulled down from the upper position and a pressing force is applied to the contact portion between the temporary fixing protrusion 33 and the claw engaging portion 32 from the front-rear direction, the thin-walled portion 220 is elastically deformed. The hooked state of the temporary fixing protrusion 33 with respect to the claw engaging portion 32 is released. As a result, the same effect as that of the above-described embodiment is obtained. Further, since the claw portion 22 has the above configuration, it is possible to secure sufficient deformation strength of the claw portion 22 with respect to the pressing force from the front-rear direction. Therefore, even if the movable cylinder portion 21 is repeatedly moved up and down, the claw portion 22 The engaging force between the 22 and the claw engaging portion 32 is unlikely to decrease.

一方、図６に示す形態Ｂでは、爪係合部３２が前後に向かい合う二つの上方視略Ｌ字状の係合片３５で構成されており、係合片３５の前後方向への弾性力によって、爪前面部２２Ａおよび爪後面部２２Ｂに、係合片３５の内側面部（内周前面部３２Ａ又は内周後面部３２Ｂ）が弾性をもって接触係合する。また、可動筒部２１が上位置から引き下げられ、仮止め用突起３３と係合片３５の内側面部との当接部に前後方向から押圧力が加わった場合は、係合片３５が互いに離反するよう前後外向きに弾性変形して、係合片３５に対する仮止め用突起３３の掛止状態が解除される。これにより、上記実施形態と同様の作用効果を奏する。 On the other hand, in the form B shown in FIG. 6, the claw engaging portion 32 is composed of two engaging pieces 35 having a substantially L-shaped upward view facing each other in the front-rear direction, and the elastic force of the engaging pieces 35 in the front-rear direction causes the engaging pieces 35. , The inner side surface portion (inner peripheral front surface portion 32A or inner peripheral rear surface portion 32B) of the engaging piece 35 is elastically contact-engaged with the claw front surface portion 22A and the claw rear surface portion 22B. Further, when the movable cylinder portion 21 is pulled down from the upper position and a pressing force is applied from the front-rear direction to the contact portion between the temporary fixing protrusion 33 and the inner side surface portion of the engaging piece 35, the engaging pieces 35 are separated from each other. The temporary fixing protrusion 33 is released from the hooked state by elastically deforming in the front-rear and outward directions so as to do so. As a result, the same effect as that of the above-described embodiment is obtained.

上記形態Ｂでは、爪前面部２２Ａおよび爪後面部２２Ｂに形成された仮止め用突起３３がそれぞれ、係合片３５に対して前後方向の相反する外向きに上方から係合することで、可動筒部２１が所定の上位置で仮止め支持されるものを説明したが、図７に示す形態Ｃのように、爪前面部２２Ａおよび爪後面部２２Ｂにそれぞれ、前後相対する内向きに仮止め用の凹部３６が形成され、上記凹部３６に対して係合片３５の対向する内周面部（内周前面部３２Ａおよび内周後面部３２Ｂ）に形成された凸部３７が前後方向の相対する内向きに係合することで、可動筒部２１が所定の上位置で仮止め支持されるように構成されたものとしてもよい。 In the above embodiment B, the temporary fixing protrusions 33 formed on the front surface portion 22A of the claw and the rear surface portion 22B of the claw are movable by engaging with the engaging piece 35 in the opposite outward directions in the front-rear direction from above. Although the tubular portion 21 is temporarily fixed and supported at a predetermined upper position, it is temporarily fixed to the claw front surface portion 22A and the claw rear surface portion 22B, respectively, inward facing each other in the front-rear direction as shown in the form C shown in FIG. The recess 36 is formed, and the convex portions 37 formed on the inner peripheral surface portions (inner peripheral front surface portion 32A and inner peripheral rear surface portion 32B) of the engaging piece 35 facing the concave portion 36 face each other in the front-rear direction. The movable cylinder portion 21 may be configured to be temporarily fixed and supported at a predetermined upper position by engaging inwardly.

上記形態Ｂでは、爪係合部３２が二つの係合片３５で構成され、可動筒部２１が上位置から引き下げられた際に、係合片３５が外向きに弾性変形することで、係合片３５に対する仮止め用突起３３の掛止状態が解除されるように構成されたものを説明したが、仮止め用突起３３の根元側（爪部２２の前後方向の中央側）に長孔や切欠によって遊間を設け、仮止め用突起３３が内向きに弾性変形することで、爪係合部３２に対する仮止め用突起３３の掛止状態が解除されるように構成されたものとしてもよい。 In the above embodiment B, the claw engaging portion 32 is composed of two engaging pieces 35, and when the movable cylinder portion 21 is pulled down from the upper position, the engaging piece 35 elastically deforms outward, thereby engaging. Although the structure is described so that the temporary fixing protrusion 33 is released from the hooked state with respect to the unit 35, a long hole is provided on the root side (center side in the front-rear direction of the claw portion 22) of the temporary fixing protrusion 33. A gap may be provided by a notch or a notch, and the temporary fixing protrusion 33 may be elastically deformed inward so that the temporary fixing protrusion 33 is released from the hooked state with respect to the claw engaging portion 32. ..

上記各実施の形態では、可動筒部２１の左右の側面部２１Ｃ，２１Ｄに爪部２２およびガイド板２４が対向して設けられたものを説明したが、可動筒部２１の前後の側面部に爪部２２およびガイド板２４が対向して設けられたものとしてもよい（例えば、可動筒部２１の前面部に爪部２２が設けられる一方、本体ケース１１の前壁１１Ａの内側面に爪係合部３２が設けられ、本体筒部２０の下流端部２０１と熱交換器１５との間隙にガイド板２４が設けられる。或いは、可動筒部２１の後面部に爪部２２が設けられる一方、本体筒部２０の下流端部２０１と熱交換器１５との間隙の内部側壁に爪係合部３２が設けられ、本体ケース１１の前壁１１Ａの内側にガイド板２４が設けられる）。この場合、爪部２２と爪部２２の前方又は後方の対向位置（内部側壁）に設けられた爪係合部３２とが左右方向に弾性係合することで、可動筒部２１の左右方向への移動が規制される。また、爪部２２の左右の側面部２１Ｃ，２１Ｄに仮止め用突起３３が設けられ、それら仮止め用突起３３が爪係合部３２に対して左右方向の相反する外向きに係合することで、可動筒部２１が上位置で掛止される。さらに、ガイド板２４が可動筒部２１における爪部２２の配設面部と反対側に面する側面部に当接することで、可動筒部２１の前後方向への移動が規制される。これにより、上記実施形態と同様の作用効果を奏する。 In each of the above embodiments, the claw portions 22 and the guide plate 24 are provided on the left and right side surface portions 21C and 21D of the movable cylinder portion 21 so as to face each other. The claw portion 22 and the guide plate 24 may be provided so as to face each other (for example, the claw portion 22 is provided on the front surface portion of the movable cylinder portion 21, while the claw portion 22 is provided on the inner surface of the front wall 11A of the main body case 11. The joint portion 32 is provided, and the guide plate 24 is provided in the gap between the downstream end portion 201 of the main body cylinder portion 20 and the heat exchanger 15, or the claw portion 22 is provided on the rear surface portion of the movable cylinder portion 21. A claw engaging portion 32 is provided on the inner side wall of the gap between the downstream end portion 201 of the main body cylinder portion 20 and the heat exchanger 15, and a guide plate 24 is provided inside the front wall 11A of the main body case 11). In this case, the claw portion 22 and the claw engaging portion 32 provided at the front or rear facing position (inner side wall) of the claw portion 22 are elastically engaged in the left-right direction, so that the movable cylinder portion 21 moves in the left-right direction. Movement is restricted. Further, temporary fixing protrusions 33 are provided on the left and right side surface portions 21C and 21D of the claw portion 22, and the temporary fixing protrusions 33 engage with the claw engaging portion 32 in opposite outward directions in the left-right direction. Then, the movable cylinder portion 21 is hooked at the upper position. Further, the guide plate 24 comes into contact with the side surface portion of the movable cylinder portion 21 facing the side opposite to the arrangement surface portion of the claw portion 22, so that the movement of the movable cylinder portion 21 in the front-rear direction is restricted. As a result, the same effect as that of the above-described embodiment is obtained.

１浴室暖房機
１１本体ケース
１１０ケース開口部
１３送風路
１４循環ファン（給気手段）
１９Ｄケース内側壁（本体ケースの内部側壁）
２０本体筒部
２０１本体筒部の下流端部（ケース開口部側の端部）
２１可動筒部
２１Ｃ可動筒左側面部（可動筒部の一側面部）
２２爪部（案内部）
３２爪係合部（案内受け部） 1 Bathroom heater 11 Main body case 110 Case opening 13 Blower 14 Circulation fan (air supply means)
19D case inner side wall (inner side wall of main body case)
20 Main body cylinder 201 Downstream end of main body cylinder (end on the case opening side)
21 Movable cylinder 21C Left side of the movable cylinder (one side surface of the movable cylinder)
22 Claw part (guidance part)
32 Claw engaging part (guidance receiving part)

Claims

浴室の天井裏に配設される下面開放箱状の本体ケースと、浴室内の空気を本体ケース内に導入する給気手段と、本体ケース内に導入される空気を浴室内へ導く送風路とを備えた浴室暖房機であって、
送風路は、給気手段の配設部から本体ケース下面のケース開口部へ向かって延設される本体筒部と、本体筒部のケース開口部側の端部に上下移動可能な状態で連設され、下方に開口する可動筒部とで構成され、
可動筒部の一側面部に設けられ、可動筒部を所定の上位置から下方へ移動可能に支持する案内部と、
前記一側面部に対向する本体ケースの内部側壁に設けられ、案内部を上下摺動可能に係合保持する案内受け部とを有し、
前記一側面部と内部側壁との対向方向を左右方向、左右方向および上下方向に直交する方向を前後方向としたとき、
案内部および案内受け部の少なくとも一方が他方に対して前後方向に弾性係合することで、可動筒部の前後方向への移動が規制される構成とし、
案内部は、
基端寄りの位置に、案内受け部に対して前後方向の相反する外向きに係合し、可動筒部を前記上位置で掛止させる一対の仮止め部と、
上端位置に、可動筒部が前記仮止め部により掛止された上位置から下位置へ移動した際に案内受け部に対して前後方向の相反する外向きに係合し、可動筒部の下方への移動を制限する一対の抜け止め部とを備えた、浴室暖房機。 A box-shaped main body case with an open bottom that is arranged behind the ceiling of the bathroom, an air supply means that introduces the air in the bathroom into the main body case, and an air passage that guides the air introduced into the main body case into the bathroom. It is a bathroom heater equipped with
The air passage is connected to the main body cylinder portion extending from the arrangement portion of the air supply means toward the case opening on the lower surface of the main body case and the end portion of the main body cylinder portion on the case opening side so as to be movable up and down. It is composed of a movable cylinder that is installed and opens downward.
A guide portion provided on one side surface of the movable cylinder portion and supporting the movable cylinder portion so as to be movable downward from a predetermined upper position.
It is provided on the inner side wall of the main body case facing the one side surface portion, and has a guide receiving portion that engages and holds the guide portion so as to be slidable up and down.
When the opposite direction of the one side surface portion and the inner side wall is the left-right direction, and the direction orthogonal to the left-right direction and the up-down direction is the front-rear direction.
By elastically engaging at least one of the guide portion and the guide receiving portion with the other in the front-rear direction, the movement of the movable cylinder portion in the front-rear direction is restricted.
The information section
A pair of temporary fixing portions that engage with the guide receiving portion in opposite outward directions in the front-rear direction and hook the movable cylinder portion at the upper position at a position near the base end.
When the movable cylinder portion moves from the upper position hooked by the temporary fixing portion to the lower position at the upper end position, it engages with the guide receiving portion in the opposite outward directions in the front-rear direction, and is below the movable cylinder portion. A bathroom heater with a pair of retaining parts that restrict movement to.

浴室の天井裏に配設される下面開放箱状の本体ケースと、浴室内の空気を本体ケース内に導入する給気手段と、本体ケース内に導入される空気を浴室内へ導く送風路とを備えた浴室暖房機であって、
送風路は、給気手段の配設部から本体ケース下面のケース開口部へ向かって延設される本体筒部と、本体筒部のケース開口部側の端部に上下移動可能な状態で連設され、下方に開口する可動筒部とで構成され、
可動筒部の一側面部に設けられ、可動筒部を所定の上位置から下方へ移動可能に支持する案内部と、
前記一側面部に対向する本体ケースの内部側壁に設けられ、案内部を上下摺動可能に係合保持する案内受け部とを有し、
前記一側面部と内部側壁との対向方向を左右方向、左右方向および上下方向に直交する方向を前後方向としたとき、
案内部および案内受け部の少なくとも一方が他方に対して前後方向に弾性係合することで、可動筒部の前後方向への移動が規制される構成とし、
本体ケース内に、可動筒部の前記一側面部と反対側に面する他側面部に当接し、可動筒部の上下方向への移動を許容し且つ左右方向への移動を規制するガイド板が設けられ、
前記ガイド板は、本体筒部との間に隙間を有するように本体筒部の一方の側面部の上部から下方へ向かって延出形成され、
前記可動筒部の他側面部は、本体筒部の一方の側面部とガイド板との間に形成される前記隙間に下方から挿通されて本体筒部の一方の側面部およびガイド板によって挟持される構成とした、浴室暖房機。 A box-shaped main body case with an open bottom that is arranged behind the ceiling of the bathroom, an air supply means that introduces the air in the bathroom into the main body case, and an air passage that guides the air introduced into the main body case into the bathroom. It is a bathroom heater equipped with
The air passage is connected to the main body cylinder portion extending from the arrangement portion of the air supply means toward the case opening on the lower surface of the main body case and the end portion of the main body cylinder portion on the case opening side so as to be movable up and down. It is composed of a movable cylinder that is installed and opens downward.
A guide portion provided on one side surface of the movable cylinder portion and supporting the movable cylinder portion so as to be movable downward from a predetermined upper position.
It is provided on the inner side wall of the main body case facing the one side surface portion, and has a guide receiving portion that engages and holds the guide portion so as to be slidable up and down.
When the opposite direction of the one side surface portion and the inner side wall is the left-right direction, and the direction orthogonal to the left-right direction and the up-down direction is the front-rear direction.
By elastically engaging at least one of the guide portion and the guide receiving portion with the other in the front-rear direction, the movement of the movable cylinder portion in the front-rear direction is restricted.
Inside the main body case, there is a guide plate that comes into contact with the other side surface of the movable cylinder that faces the side opposite to the one side surface, allows the movable cylinder to move in the vertical direction, and regulates the movement in the horizontal direction. Provided,
The guide plate is formed so as to extend downward from the upper part of one side surface portion of the main body cylinder portion so as to have a gap between the guide plate and the main body cylinder portion.
The other side surface portion of the movable cylinder portion is inserted from below into the gap formed between one side surface portion of the main body cylinder portion and the guide plate, and is sandwiched by one side surface portion of the main body cylinder portion and the guide plate. Bathroom heater.