JP2603756Y2 - Water heater - Google Patents
Water heaterInfo
- Publication number
- JP2603756Y2 JP2603756Y2 JP1993053241U JP5324193U JP2603756Y2 JP 2603756 Y2 JP2603756 Y2 JP 2603756Y2 JP 1993053241 U JP1993053241 U JP 1993053241U JP 5324193 U JP5324193 U JP 5324193U JP 2603756 Y2 JP2603756 Y2 JP 2603756Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- water supply
- water
- pressure relief
- check valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Safety Valves (AREA)
- Control For Baths (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、給湯使用直後、熱交換
器内のいわゆる" 後沸き" 現象による湯の膨張によって
発生する膨張水を、配管外への漏れを生じることなく吸
収できる給湯装置に関する。BACKGROUND OF THE INVENTION The present invention relates to a hot water supply device that can absorb expanded water generated by expansion of hot water due to a so-called "after-boiling" phenomenon in a heat exchanger immediately after using hot water without causing leakage to the outside of a pipe. About.
【０００２】[0002]
【従来の技術】従来、給湯機の一形態として図４に示す
１缶２回路式給湯機Ａがある。2. Description of the Related Art Conventionally, there is a one-can, two-circuit water heater A shown in FIG.
【０００３】図中、50は１缶２回路式給湯機Ａの缶体で
あり、同缶体50は、並設した多数のフィン51を共用し、
このフィン51の上部に複数の風呂用吸熱管52を、下部に
複数の給湯用吸熱管53を取付けている。[0003] In the figure, reference numeral 50 denotes a can body of a one-can two-circuit water heater A. The can body 50 shares many fins 51 arranged side by side.
A plurality of bath heat absorption tubes 52 are attached to the upper portion of the fins 51, and a plurality of hot water supply heat absorption tubes 53 are attached to the lower portion.
【０００４】また、缶体50の下部には、同缶体50を加熱
するバーナ54が配設されており、同バーナ54への燃料供
給路55には、電磁弁56と比例弁57とが取付けられてい
る。[0004] A burner 54 for heating the can 50 is provided below the can 50, and an electromagnetic valve 56 and a proportional valve 57 are provided in a fuel supply path 55 to the burner 54. Installed.
【０００５】さらに、風呂用吸熱管52は、中途に循環ポ
ンプ58を取付けた循環流路59を介して浴槽60に連通連結
されている。[0005] Further, the bath heat absorbing pipe 52 is connected to a bathtub 60 through a circulation flow path 59 in which a circulation pump 58 is mounted on the way.
【０００６】一方、給湯用吸熱管53の水流入口には給水
配管61が接続されており、出湯口には給湯配管62が接続
されている。On the other hand, a water supply pipe 61 is connected to a water inlet of the heat absorption pipe 53 for hot water supply, and a hot water supply pipe 62 is connected to a water outlet.
【０００７】かかる構成を有する１缶２回路式給湯機Ａ
は、バーナ54の燃焼によって、単一の缶体50を用いて、
浴槽60の追焚を行うことができるのみならず、台所等に
おける水栓63へ給湯配管62を通して出湯することができ
る。[0007] A one-can two-circuit water heater A having such a configuration.
By using a single can body 50 by burning the burner 54,
Not only can the bathtub 60 be refired, but also hot water can be supplied to the faucet 63 in the kitchen or the like through the hot water supply pipe 62.
【０００８】また、かかる１缶２回路式給湯機Ａは、給
水配管61に逆止弁65を設けるとともに、給湯配管62に圧
力逃がし弁64を設けている。The one-can two-circuit water heater A has a check valve 65 in the water supply pipe 61 and a pressure relief valve 64 in the water supply pipe 62.
【０００９】かかる構成によって、給湯使用直後に、熱
交換器内の湯がいわゆる" 後沸き"現象を起こし、湯の
膨張を発生した場合、給水配管61には逆止弁65が取付け
られているため、給湯配管62内の圧力が上昇し、同配管
62内の圧力が設定圧、例えば、13 kgf/cm2を越えると、
圧力逃がし弁64より膨張水又は膨張湯が外部に漏れるこ
とになる。With this configuration, immediately after the hot water supply is used, when the hot water in the heat exchanger causes a so-called “post-boiling” phenomenon and the hot water expands, a check valve 65 is attached to the water supply pipe 61. Therefore, the pressure in the hot water supply pipe 62 increases,
The pressure in the 62 set pressure, for example, if it exceeds 13 kgf / cm 2,
The expansion water or the expansion water leaks from the pressure relief valve 64 to the outside.
【００１０】[0010]
【考案が解決しようとする課題】しかし、圧力逃がし弁
64より膨張水又は膨張湯の外部への漏れは、以下の問題
を有していた。[Problem to be solved by the invention] However, the pressure relief valve
The leakage of expansion water or expansion water to the outside from 64 had the following problems.
【００１１】給湯機の設置場所がパイプシャフト内
(扉内、排延、FF系) では、排水設備がなければたれ流
しになる。[0011] The installation location of the water heater is in the pipe shaft
(Inside the door, dispersal, FF system) If there is no drainage system, it will flow down.
【００１２】仮に排水設備がある場合は、排水手段を
講じる必要がある。If there is a drainage facility, it is necessary to take drainage means.
【００１３】膨張水が漏れると、量にもよるがロスが
大きい。When the expansion water leaks, the loss is large depending on the amount.
【００１４】本考案は、上記した課題を解決することが
できる１缶２回路式風呂釜を提供することを目的とす
る。An object of the present invention is to provide a one-can, two-circuit bath kettle capable of solving the above-mentioned problems.
【００１５】[0015]
【課題を解決するための手段】本考案は、給水源に連通
して水を供給する給水配管と、給水配管に連通して燃焼
手段により加熱される熱交換部と、熱交換部に連通して
加熱された湯を給湯器具に供給する給湯配管とを具備す
る給湯装置において、給水管に、逆止弁と圧力逃がし弁
とを弁ブロックに一体的に内蔵した圧力逃がし弁付逆止
弁を取付けた給湯装置に係るものである。According to the present invention, there is provided a water supply pipe for supplying water by communicating with a water supply source, a heat exchange section which is communicated with the water supply pipe and is heated by a combustion means, and which communicates with the heat exchange section. A hot water supply device comprising a hot water supply pipe for supplying hot water heated to a hot water supply device, the water supply pipe having a check valve with a pressure relief valve integrally including a check valve and a pressure relief valve in a valve block. It relates to the attached hot water supply device.
【００１６】特に、以下の構成としたことに特徴を有す
るものである。In particular, the present invention is characterized by having the following configuration.
【００１７】順流時及び逆流時で、圧力逃がし弁及び
逆止弁の作動方向を相異なる向きに拘束し、さらに、圧
力逃がし弁と逆止弁の上流側を連通させるとともに、圧
力逃がし弁と逆止弁の下流側を連通させて、順流時に圧
力逃がし弁の弁体に給水圧を作用さたこと。At the time of forward flow and at the time of reverse flow, the operating directions of the pressure relief valve and the check valve are restricted to different directions, and the pressure relief valve and the upstream side of the check valve are communicated with each other. The downstream side of the stop valve is communicated to apply water supply pressure to the valve of the pressure relief valve during forward flow.
【００１８】圧力逃がし弁は、弁ブロック内に設けた
圧力逃がし室と、同圧力逃がし室内に摺動自在に配設
し、両側に膨張水流入室と浄水流入室とを水密状態に区
画形成した弁体とを具備し、膨張水流入室と浄水流入室
とは、それぞれ、逆止弁の下流側と上流側とに連通した
こと。The pressure relief valve is a valve in which a pressure relief chamber provided in a valve block and a pressure relief chamber are slidably disposed in the pressure relief chamber, and an expansion water inflow chamber and a purified water inflow chamber are formed on both sides in a watertight state. And the expansion water inflow chamber and the purified water inflow chamber communicate with the downstream side and the upstream side of the check valve, respectively.
【００１９】浄水流入室内に膨張水流入室側に弁体を
付勢する弾性手段を設け、同弾性手段の抗圧力を、給水
源側の断水等によって発生する負圧以上としたこと。An elastic means for urging the valve body on the side of the expansion water inflow chamber is provided in the purified water inflow chamber, and a reaction pressure of the elastic means is equal to or higher than a negative pressure generated by water cutoff on the water supply source side.
【００２０】圧力逃がし弁付逆止弁は、給湯機本体の
壁部に突出させた状態で取り付けられるとともに、前記
逆止弁から給水源方向に向かって給水接続口を配設した
こと。The check valve with a pressure relief valve is mounted so as to protrude from the wall of the water heater main body, and a water supply connection port is provided from the check valve toward the water supply source.
【００２１】[0021]
【実施例】以下、添付図に示す実施例を参照して、本考
案を具体的に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the embodiments shown in the accompanying drawings.
【００２２】図１において、10は１缶２回路式給湯機Ａ
の缶体であり、同缶体10は、並設した多数のフィン11を
共用し、このフィン11の上部に複数の風呂用吸熱管12
を、下部に複数の給湯用吸熱管13を取付けている。In FIG. 1, 10 is a one-can, two-circuit water heater A.
The can body 10 shares a large number of fins 11 arranged side by side, and a plurality of bath endothermic tubes 12
A plurality of hot water supply endothermic tubes 13 are attached to the lower part.
【００２３】また、缶体10の下部には、同缶体10を加熱
するバーナ14が配設されており、同バーナ14への燃料供
給路15には、電磁弁16と比例弁17とが取付けられてい
る。A burner 14 for heating the can 10 is provided below the can 10, and a solenoid valve 16 and a proportional valve 17 are provided in a fuel supply path 15 to the burner 14. Installed.
【００２４】さらに、風呂用吸熱管12は、中途に循環ポ
ンプ20を取付けた循環流路21を介して浴槽22に連通連結
されている。Further, the bath endothermic tube 12 is connected to a bathtub 22 through a circulation flow path 21 in which a circulation pump 20 is mounted halfway.
【００２５】一方、給湯用吸熱管13の水流入口23には給
水配管24が接続されており、出湯口25には給湯配管26が
接続されている。On the other hand, a water supply pipe 24 is connected to a water inlet 23 of the heat absorption pipe 13 for hot water supply, and a hot water supply pipe 26 is connected to a water outlet 25.
【００２６】かかる構成を有する１缶２回路式給湯機Ａ
は、バーナ14の燃焼によって、単一の缶体10を用いて、
浴槽22の追焚を行うことができるのみならず、台所等に
おける水栓27へ給湯配管26を通して出湯することができ
る。A one-can two-circuit water heater A having such a configuration
By using a single can body 10 by burning the burner 14,
Not only can reheating of the bathtub 22 be performed, but also hot water can be supplied to a faucet 27 in a kitchen or the like through a hot water supply pipe 26.
【００２７】本考案は、上記した構成を有する１缶２回
路式給湯機Ａにおいて、給湯使用直後に、熱交換器内の
湯がいわゆる" 後沸き" 現象を起こして生ずる膨張水
を、以下に詳述する逆止弁付圧力逃がし弁Ｂによって、
外部等に洩らすことなく処理することができる給湯装置
の構成にある。According to the present invention, in the one-can two-circuit water heater A having the above structure, the expansion water generated by the hot water in the heat exchanger immediately after the hot water supply causes a so-called "after-boiling" phenomenon is described below. By the pressure relief valve B with a check valve described in detail,
The hot water supply device can perform processing without leaking to the outside or the like.
【００２８】即ち、図１に示すように、逆止弁付圧力逃
がし弁Ｂは、給水配管24の中途に設けられている。That is, as shown in FIG. 1, the pressure relief valve B with a check valve is provided in the middle of the water supply pipe 24.
【００２９】図２及び図３を参照して説明すると、逆止
弁付圧力逃がし弁Ｂは、弁ブロック30内に、実質的に、
逆止弁Ｃと圧力逃がし弁Ｄとを一体的に組み込んだこと
を特徴とする。Referring to FIGS. 2 and 3, the pressure relief valve B with a check valve is substantially disposed in the valve block 30.
The check valve C and the pressure relief valve D are integrally incorporated.
【００３０】まず、逆止弁Ｃの構成について説明する
と、弁ブロック30は、その内部に上流側流路31と、下流
側流路32と、両流路31,32 を直交状態に連絡する弁座形
成流路33とからなる屈曲流路を形成している。First, the structure of the check valve C will be described. The valve block 30 includes an upstream flow path 31, a downstream flow path 32, and a valve connecting the two flow paths 31, 32 in an orthogonal state. A bent channel including the seat forming channel 33 is formed.
【００３１】そして、弁座形成流路33内には、先端に弁
座34を形成するとともに基端を閉塞した筒状スリーブ35
が嵌入されている。A cylindrical sleeve 35 having a valve seat 34 formed at the distal end and a closed proximal end is formed in the valve seat forming flow path 33.
Is inserted.
【００３２】弁座34の下流側面には逆止弁体36が当接し
ており、同逆止弁体36は、スリーブ35内の内部空間37に
配設した引張バネ38によって閉弁方向に常時付勢されて
いる。A check valve element 36 is in contact with the downstream side surface of the valve seat 34. The check valve element 36 is always moved in the valve closing direction by a tension spring 38 disposed in an internal space 37 in the sleeve 35. Being energized.
【００３３】また、スリーブ35の一側側壁には、スリー
ブ35の内部空間37と上流側流路31とを連通する連通開口
39が設けられている。A communication opening for communicating the internal space 37 of the sleeve 35 with the upstream flow path 31 is provided on one side wall of the sleeve 35.
39 are provided.
【００３４】一方、スリーブ35の他側側壁には、後述す
る圧力逃がし弁Ｄの圧力逃がし室41とスリーブ35の内部
空間37とを連通させるための連通開口40が設けられてい
る。On the other hand, the other side wall of the sleeve 35 is provided with a communication opening 40 for communicating a pressure relief chamber 41 of a pressure relief valve D described later with the internal space 37 of the sleeve 35.
【００３５】かかる構成によって、通常給水時には、給
水圧がバネ圧より高いので、逆止弁体36を進出して逆止
弁Ｃを開弁し、給湯用吸熱管13に給水することができ
る。With this configuration, during normal water supply, since the water supply pressure is higher than the spring pressure, the check valve 36 can be advanced to open the check valve C, and water can be supplied to the hot water supply endothermic tube 13.
【００３６】また、熱交換器内の湯がいわゆる" 後沸
き" 現象を起こして膨張水が生じた場合は、膨張水が、
下流側流路32→弁座形成流路33→上流側流路31を通して
逆止するのを防止することができる。When the hot water in the heat exchanger causes a so-called “post-boiling” phenomenon to generate expanded water, the expanded water is
It is possible to prevent a reverse flow through the downstream flow path 32 → the valve seat forming flow path 33 → the upstream flow path 31.
【００３７】次に圧力逃がし弁Ｄの構成について説明す
ると、上記した逆止弁Ｃの弁座形成流路33と並設状態
に、弁ブロック30内に圧力逃がし室41が形成されてい
る。Next, the structure of the pressure relief valve D will be described. A pressure relief chamber 41 is formed in the valve block 30 so as to be arranged in parallel with the valve seat forming flow path 33 of the check valve C.
【００３８】この圧力逃がし室41内には、弁体42が進退
自在にかつ水密状態に配設されており、同弁体42の一側
には膨張水流入室43が形成されるとともに、他側には浄
水流入室44が形成されており、両室43,44 間の連通は完
全に遮断されている。In this pressure relief chamber 41, a valve element 42 is disposed so as to be able to advance and retreat and in a watertight state. An expansion water inflow chamber 43 is formed on one side of the valve element 42, and the other side is formed. Is formed with a purified water inflow chamber 44, and the communication between the two chambers 43, 44 is completely shut off.
【００３９】膨張水流入室43は、隔壁45に設けた小孔46
を通して、下流側流路32と連通している。The expansion water inflow chamber 43 is provided with a small hole 46 provided in a partition wall 45.
Through, and communicates with the downstream flow path 32.
【００４０】一方、同浄水流入室44は、側壁47に設けた
小孔48及び上述した連通開口40を通して、逆止弁Ｃ内の
内部空間37と連通している。On the other hand, the purified water inflow chamber 44 communicates with the internal space 37 in the check valve C through the small hole 48 provided in the side wall 47 and the above-mentioned communication opening 40.
【００４１】さらに、浄水流入室44内には、常時、弁体
42を、膨張水流入室43に向けて付勢する弾性手段として
の圧縮バネ49が配設されている。Further, the valve body is always in the purified water inflow chamber 44.
A compression spring 49 as an elastic means for urging the 42 toward the expansion water inflow chamber 43 is provided.
【００４２】この圧縮バネ49の付勢力ないし抗圧力は、
給水源の断水等によって発生する負圧以上とする。The urging force or resistance of the compression spring 49 is:
The pressure should be equal to or higher than the negative pressure generated by water supply interruption.
【００４３】なお、図２におけるその他の構成について
説明すると、５は圧力逃がし室41の基端側を閉塞する栓
体、６はスリーブ35を保持する栓体、７は給湯装置Ａの
壁部、８は突出した給水接続口である。2, the plug 5 closes the base end of the pressure relief chamber 41, the plug 6 holds the sleeve 35, the wall 7 of the water heater A, 8 is a projecting water supply connection port.
【００４４】かかる構成によって、常時は、圧縮バネ49
は、弁体42を側壁45に押圧して、下流側流路32からの水
又は湯が、小孔46を通して圧力逃がし室41内に流入する
のを防止することができる。With this configuration, the compression spring 49
By pressing the valve body 42 against the side wall 45, water or hot water from the downstream flow path 32 can be prevented from flowing into the pressure relief chamber 41 through the small hole 46.
【００４５】また、熱交換器内の湯がいわゆる" 後沸
き" 現象を起こして膨張水が生じた場合は、膨張水の膨
張圧は上記した圧縮バネ49の抗圧力より大きくなるの
で、膨張水を下流側流路32→小孔46を通して圧力逃がし
室41の膨張水流入室43内に流入させることができ、膨張
水の吸収を図ることができる。When the hot water in the heat exchanger causes a so-called "post-boiling" phenomenon to generate expansion water, the expansion pressure of the expansion water becomes larger than the above-mentioned resistance of the compression spring 49. Can flow into the expansion water inflow chamber 43 of the pressure relief chamber 41 through the downstream flow path 32 → small hole 46, and the expansion water can be absorbed.
【００４６】この際、圧力逃がし室41の浄水流入室44と
逆止弁Ｃの筒状スリーブ35内の内部空間37とは連通して
いるので、弁体42は速やかに右側に移動し、圧力逃がし
弁Ｄの円滑な作動が保障されるとともに、配管外に膨張
水が漏れるのを確実に防止することができる。At this time, since the purified water inflow chamber 44 of the pressure relief chamber 41 and the internal space 37 in the cylindrical sleeve 35 of the check valve C communicate with each other, the valve body 42 quickly moves to the right side, The smooth operation of the relief valve D is ensured, and the expansion water can be reliably prevented from leaking out of the pipe.
【００４７】次に、上記構成を有する逆止弁付圧力逃が
し弁Ｂの作動について説明する。Next, the operation of the pressure relief valve B having a check valve having the above-described structure will be described.
【００４８】給湯直後の缶体10周り給湯用吸熱管13内の
湯がいわゆる" 後沸き" 現象により膨張すると、圧力は
伝播するので、給水側から給湯側にかけて均一にかか
る。この時、逆止弁Ｃは逆流を防止するために閉となる
が、圧力逃がし弁Ｄは圧力が一定値以上になった場合開
となり、弁体42が図２において右方向に移動して膨張水
流入室43は充分な容積を確保でき、膨張分を吸収する。When the hot water in the hot water supply heat absorbing tube 13 around the can 10 immediately after hot water supply expands due to the so-called "post-boiling" phenomenon, the pressure propagates and is uniformly applied from the water supply side to the hot water supply side. At this time, the check valve C is closed to prevent the backflow, but the pressure relief valve D is opened when the pressure exceeds a certain value, and the valve element 42 moves rightward in FIG. The water inflow chamber 43 can secure a sufficient volume and absorb the expansion.
【００４９】この際、浄水流入室44内の浄水の一部が、
小孔48を通して、逆止弁Ｃ内の内部空間37に流入するの
で、上記した弁体42の移動を速やかに行うことができ
る。At this time, a part of the purified water in the purified water inflow chamber 44 is
Since the gas flows into the internal space 37 in the check valve C through the small hole 48, the above-described movement of the valve element 42 can be performed quickly.
【００５０】また、膨張水流入室43と浄水流入室44との
連通は弁体42によって水密状態に遮断されているので、
膨張した水が膨張水流入室43から浄水流入室44を通して
給水側に流れ込み、混合するのを確実に防止することが
できる。Since the communication between the expansion water inflow chamber 43 and the purified water inflow chamber 44 is shut off in a watertight state by the valve body 42,
The expanded water can be reliably prevented from flowing from the expanded water inflow chamber 43 to the water supply side through the purified water inflow chamber 44 and mixing.
【００５１】このように、本実施例では、膨張水は圧力
逃がし弁Ｄ内に保留され外部に漏出することがないの
で、別途高価な排水手段を設けることが不要となり、給
湯装置Ａを安価に製作することができる。As described above, in this embodiment, since the expansion water is retained in the pressure relief valve D and does not leak outside, it is not necessary to provide a separate expensive drainage means, and the water heater A can be manufactured at a low cost. Can be manufactured.
【００５２】また、膨張水の漏れを完全に防止できるの
で、節水も図ることができる。Further, since the expansion water can be completely prevented from leaking, water can be saved.
【００５３】[0053]
【考案の効果】以上説明してきたように、本願考案は、
給水源に連通して水を供給する給水配管と、給水配管に
連通して燃焼手段により加熱される熱交換部と、熱交換
部に連通して加熱された湯を給湯器具に供給する給湯配
管とを具備する給湯装置において、給水管に、逆止弁と
圧力逃がし弁とを弁ブロックに一体的に内蔵した圧力逃
がし弁付逆止弁を取付けるとともに、順流時及び逆流時
で、圧力逃がし弁及び逆止弁の作動方向を相異なる向き
に拘束し、さらに、圧力逃がし弁と逆止弁の上流側を連
通させるとともに、圧力逃がし弁と逆止弁の下流側を連
通させて、順流時に圧力逃がし弁の弁体に給水圧を作用
させるべく構成したことを特徴とするものである。[Effect of the invention] As described above, the invention of the present application is:
A water supply pipe that communicates with a water supply source to supply water; a heat exchange section that communicates with the water supply pipe and is heated by a combustion unit; and a hot water supply pipe that communicates with the heat exchange section and supplies heated hot water to a water heater. And a check valve with a pressure relief valve in which a check valve and a pressure relief valve are integrally incorporated in a valve block, and a pressure relief valve at the time of forward flow and reverse flow. And the operating direction of the check valve is restricted in a different direction.Furthermore, the pressure relief valve communicates with the upstream side of the check valve, and the pressure relief valve communicates with the downstream side of the check valve. The present invention is characterized in that the water supply pressure is applied to the valve body of the relief valve.
【００５４】かかる構成によって、膨張水は圧力逃がし
弁内に保留され外部に漏出することがないので、別途高
価な排水手段を設けることが不要となり、給湯装置を安
価に製作することができる。With this configuration, since the expansion water is retained in the pressure relief valve and does not leak outside, it is not necessary to provide a separate expensive drainage means, and the water heater can be manufactured at a low cost.
【００５５】また、膨張水の漏れを完全に防止できるの
で、節水も図ることができる。Also, since leakage of the expansion water can be completely prevented, water can be saved.
【図１】本考案に係る給湯装置の概念的全体構成説明図
である。FIG. 1 is an explanatory diagram of a conceptual overall configuration of a hot water supply apparatus according to the present invention.
【図２】圧力逃がし弁付逆止弁の内部構造説明図であ
る。FIG. 2 is an explanatory view of an internal structure of a check valve with a pressure relief valve.
【図３】同側面図である。FIG. 3 is a side view of the same.
【図４】従来の給湯装置の概念的構成説明図である。FIG. 4 is a diagram illustrating a conceptual configuration of a conventional hot water supply apparatus.
Ａ １缶２回路式風呂釜 Ｂ 圧力逃がし弁付逆止弁 Ｃ 逆止弁 Ｄ 圧力逃がし弁 ７ 壁部 ８ 給水接続口 24 給水配管 26 給湯配管 30 弁ブロック 41 圧力逃がし室 43 膨張水流入室 44 浄水流入室 42 弁体 49 圧縮バネ A 1-can 2-circuit bath kettle B Check valve with pressure relief valve C Check valve D Pressure relief valve 7 Wall 8 Water supply connection port 24 Water supply pipe 26 Hot water supply pipe 30 Valve block 41 Pressure relief chamber 43 Expansion water inflow chamber 44 Purified water Inflow chamber 42 Valve element 49 Compression spring
───────────────────────────────────────────────────── フロントページの続き (72)考案者 宗村 浩 兵庫県神戸市東灘区魚崎浜町43番１号 日本ユプロ株式会社内 (72)考案者 木幡 幸雄 兵庫県神戸市東灘区魚崎浜町43番１号 日本ユプロ株式会社内 (56)参考文献 特開 平１−281362（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F24H 1/10 303 F24H 1/00 604 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hiroshi Munemura 43-1, Uozakihama-cho, Higashinada-ku, Kobe-shi, Hyogo Inside of Nippon Yupro Co., Ltd. (56) References JP-A-1-281362 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) F24H 1/10 303 F24H 1/00 604
Claims (4)
(24)と、給水配管(24)に連通して燃焼手段により加熱さ
れる熱交換部と、熱交換部に連通して加熱された湯を給
湯器具に供給する給湯配管(26)とを具備する給湯装置に
おいて、 給水管(24)に、逆止弁(C) と圧力逃がし弁(D) とを弁ブ
ロック(30)に一体的に内蔵した圧力逃がし弁付逆止弁
(B) を取付けるとともに、 順流時及び逆流時で、圧力逃がし弁(D) 及び逆止弁(C)
の作動方向を相異なる向きに拘束し、さらに、圧力逃が
し弁(D) と逆止弁(C) の上流側を連通させるとともに、
圧力逃がし弁(D) と逆止弁(C) の下流側を連通させて、
順流時に圧力逃がし弁(D) の弁体(42)に給水圧を作用さ
せるべく構成した ことを特徴とする給湯装置。1. A water supply pipe for supplying water in communication with a water supply source.
(24), a heat exchange unit communicating with the water supply pipe (24) and heated by the combustion means, and a hot water supply pipe (26) communicating with the heat exchange unit and supplying heated water to the water heater. A check valve with a pressure relief valve in which a check valve (C) and a pressure relief valve (D) are integrated into a valve block (30) in a water supply pipe (24).
(B) attaching the Rutotomoni, at the time of the forward flow and reverse flow, pressure relief valve (D) and a check valve (C)
Operating directions are restricted in different directions.
While communicating the upstream side of the check valve (D) and the check valve (C),
Connect the pressure relief valve (D) and the downstream side of the check valve (C)
At the time of forward flow, supply water pressure is applied to the valve body (42) of the pressure relief valve (D).
A hot water supply device characterized in that it is configured to be heated.
に設けた圧力逃がし室(41)と、同圧力逃がし室(41)内に
摺動自在に配設し、両側に膨張水流入室(43)と浄水流入
室(44)とを水密状態に区画形成した弁体(42)とを具備
し、膨張水流入室(43)と浄水流入室(44)とは、それぞ
れ、逆止弁(C) の下流側と上流側とに連通したことを特
徴とする請求項１記載の給湯装置。2. A pressure relief valve (D) is provided in a valve block (30).
Inside the pressure relief chamber (41) and the pressure relief chamber (41)
It is slidably arranged, and inflated water inflow chamber (43) and purified water inflow on both sides
A chamber (44) and a valve body (42) partitioned and formed in a watertight state.
The expansion water inflow chamber (43) and the purified water inflow chamber (44)
The hot-water supply device according to claim 1, wherein the hot-water supply device communicates with a downstream side and an upstream side of the check valve (C) .
に弁体(42)を付勢する弾性手段を設け、同弾性手段の抗
圧力を、給水源側の断水等によって発生する負圧以上と
したことを特徴とする請求項２記載の給湯装置。3. The expanded water inflow chamber (43) in the purified water inflow chamber (44).
Provided with elastic means for urging the valve element (42).
When the pressure is higher than the negative pressure generated by
Hot water supply apparatus according to claim 2, characterized in that the.
体(10)の壁部(7) に突出させた状態で取り付けられると
ともに、前記逆止弁(C) から給水源方向に向かって給水
接続口(8) を配設したことを特徴とする請求項１記載の
給湯装置。4. A check valve (B) with a pressure relief valve is provided with a water heater main unit.
When mounted on the wall (7) of the body (10) with it protruding
In both cases, water is supplied from the check valve (C) toward the water supply source.
The hot water supply device according to claim 1, wherein a connection port (8) is provided .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993053241U JP2603756Y2 (en) | 1993-09-30 | 1993-09-30 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993053241U JP2603756Y2 (en) | 1993-09-30 | 1993-09-30 | Water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0722355U JPH0722355U (en) | 1995-04-21 |
| JP2603756Y2 true JP2603756Y2 (en) | 2000-03-21 |
Family
ID=12937304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993053241U Expired - Fee Related JP2603756Y2 (en) | 1993-09-30 | 1993-09-30 | Water heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2603756Y2 (en) |
-
1993
- 1993-09-30 JP JP1993053241U patent/JP2603756Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722355U (en) | 1995-04-21 |
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