JPH0638224Y2 - Valve unit - Google Patents

Valve unit

Info

Publication number
JPH0638224Y2
JPH0638224Y2 JP3178389U JP3178389U JPH0638224Y2 JP H0638224 Y2 JPH0638224 Y2 JP H0638224Y2 JP 3178389 U JP3178389 U JP 3178389U JP 3178389 U JP3178389 U JP 3178389U JP H0638224 Y2 JPH0638224 Y2 JP H0638224Y2
Authority
JP
Japan
Prior art keywords
valve
shaft
check valve
male screw
vacuum breaker
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
Application number
JP3178389U
Other languages
Japanese (ja)
Other versions
JPH02122280U (en
Inventor
貞雄 岡田
隆 中山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rinnai Corp
Original Assignee
Rinnai Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rinnai Corp filed Critical Rinnai Corp
Priority to JP3178389U priority Critical patent/JPH0638224Y2/en
Publication of JPH02122280U publication Critical patent/JPH02122280U/ja
Application granted granted Critical
Publication of JPH0638224Y2 publication Critical patent/JPH0638224Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Valve Housings (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Check Valves (AREA)

Description

【考案の詳細な説明】 [利用分野] 本考案は、弁装置ユニット、特に、逆止弁とバキューム
ブレーカとを装備する弁装置ユニットにおいて、その組
み付け構造を簡略化するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Use] The present invention simplifies the assembly structure of a valve device unit, particularly a valve device unit equipped with a check valve and a vacuum breaker.

[従来技術及びその問題点] バキュームブレーカは、大気側に開放する弁座口部に弁
体を対接させ、この弁体を常閉方向に付勢する構成を採
用する。又、逆止弁は流路内の流れの逆流を阻止するた
めに流路に対して下流側に付勢したバネによって常閉状
態に維持するようになっている。
[Prior Art and its Problems] The vacuum breaker employs a configuration in which a valve body is brought into contact with a valve seat opening portion that opens to the atmosphere side, and the valve body is biased in a normally closed direction. Further, the check valve is kept in a normally closed state by a spring biased to the downstream side with respect to the flow path in order to prevent the reverse flow of the flow in the flow path.

そこで、これら二つの形式の弁を装備する弁装置では、
各弁体の組み付けを簡略化するために、従来は第3図に
示すような構成を採用していた。
Therefore, in a valve device equipped with these two types of valves,
Conventionally, in order to simplify the assembly of the valve bodies, a structure as shown in FIG. 3 has been adopted.

この従来のものは、同図に示すように、弁装置本体
(1)の流路(10)の構成壁面に雌ネジ部(11)を開口
させ、この雌ネジ部(11)に螺合装着される筒状の雄ネ
ジ体(20)にバキュームブレーカ(2)を具備させてい
る。又、この雄ネジ体(20)に連設した筒体の胴部に開
口を形成するとともに、この筒体の先端に形成した弁座
部に逆止弁(4)を対接させ、この逆止弁(4)の弁軸
(41)に付勢バネ(42)を外嵌させて前記逆止弁(4)
を常閉方向に付勢している。
As shown in the same figure, this conventional type has a female threaded portion (11) opened in the wall surface of the flow passage (10) of the valve device body (1) and screwed into the female threaded portion (11). The cylindrical male screw body (20) is provided with a vacuum breaker (2). In addition, an opening is formed in the body of a cylindrical body connected to the male screw body (20), and a check valve (4) is placed in contact with the valve seat formed at the tip of the cylindrical body. The check valve (4) is obtained by fitting a biasing spring (42) onto the valve shaft (41) of the stop valve (4).
Is normally biased.

このものでは、逆止弁(4)を具備させた筒体が雄ネジ
体(20)に連設され、流路(10)内に形成した透孔(1
2)に前記筒体の先端部を圧入するようにして雄ネジ体
(20)を雌ネジ部(11)に螺合装着すると、全体の組み
付けが完了する利点がある。
In this structure, a cylindrical body provided with a check valve (4) is connected to a male screw body (20), and a through hole (1) formed in a flow path (10) is formed.
When the male screw body (20) is screwed into the female screw portion (11) by press-fitting the tip end portion of the cylindrical body into 2), there is an advantage that the entire assembly is completed.

ところが、この従来のものでは、バキュームブレーカ
(2)又は逆止弁(4)のいずれか一方の修理点検の際
に全体を分解する必要があると言う不便があるととも
に、バキュームブレーカ(2)の組立が面倒であるとい
う問題がある。
However, this conventional device has the inconvenience of disassembling the whole of the vacuum breaker (2) or the check valve (4) at the time of repair and inspection, and the vacuum breaker (2) There is a problem that assembly is troublesome.

本考案は、かかる点に鑑みてなされたものであり、『逆
止弁(4)を装備させた弁装置本体(1)の一部にバキ
ュームブレーカ(2)を装着する形式の弁装置ユニッ
ト』において、バキュームブレーカ(2)及び逆止弁
(4)を各別に修理点検できるようにするとともに前記
バキュームブレーカの組み付けを簡略化できるようにす
ることを課題とする。
The present invention has been made in view of the above point, and is a "valve unit of a type in which a vacuum breaker (2) is attached to a part of a valve device body (1) equipped with a check valve (4)". It is an object of the present invention to allow the vacuum breaker (2) and the check valve (4) to be individually repaired and inspected and to simplify the assembly of the vacuum breaker.

[技術的手段] 上記課題を解決するために講じた本考案の技術的手段は
『弁装置本体(1)の出口部(14)の上流側に逆止弁
(4)を設け、この逆止弁(4)の設置部から離れた位
置に流路(10)に連通する雌ネジ部(11)を形成し、こ
の雌ネジ部形成壁面と対向する流路壁面に前記雌ネジ部
(11)と同軸の軸孔(13)を形成し、前記雌ネジ部(1
1)に雄ネジ体(20)を螺合させ、この雄ネジ体(20)
に大気側に開放する弁座口(21)を具備させ、前記弁座
口(21)に対接する弁体(3)の弁軸(31)の先端部を
拡大頭部(32)とし、前記弁軸(31)にバネ(33)を外
嵌させてこのバネの一端を弁体(3)に対接させるとと
もに他端を弁軸(31)に移動自在に外嵌する止環(34)
に対接させ、この止環(34)を拡大頭部(32)によって
抜け止め状態に保持させ、前記拡大頭部(32)を軸孔
(13)に嵌合させた』ことである。
[Technical Means] The technical means of the present invention taken to solve the above-mentioned problem is that "a check valve (4) is provided on the upstream side of the outlet (14) of the valve device body (1) and this check is performed. A female screw portion (11) communicating with the flow passage (10) is formed at a position distant from the installation portion of the valve (4), and the female screw portion (11) is formed on the flow passage wall surface facing the female screw portion forming wall surface. A shaft hole (13) coaxial with is formed, and the female screw part (1
The male screw body (20) is screwed into 1), and this male screw body (20)
Is provided with a valve seat opening (21) open to the atmosphere side, and the tip of the valve shaft (31) of the valve body (3) facing the valve seat opening (21) is an enlarged head (32), A spring (33) is fitted on the valve shaft (31) so that one end of the spring is brought into contact with the valve body (3) and the other end is movably fitted on the valve shaft (31).
, And the retaining ring (34) is held by the expansion head (32) in a state where it does not come off, and the expansion head (32) is fitted into the shaft hole (13).

[作用] 本考案の上記技術的手段は次のように作用する。[Operation] The technical means of the present invention operates as follows.

この弁装置本体(1)にバキュームブレーカ(2)を組
み込む際には、予め、弁体(3),弁軸(31),バネ
(33)及び止環(34)をユニットとして組立てる。そし
て、このユニットの弁軸(31)の先端の拡大頭部(32)
を軸孔(13)に挿入すると共に雄ネジ体(20)を雌ネジ
部(11)に螺合させる。ここで、雌ネジ部(11)と軸孔
(13)とは予め所定の関係に設定されているから、雄ネ
ジ体(20)の螺合装着によって弁座口(21)と弁体
(3)とが正確に対応し、且止環(34)が流路(10)の
壁面に対接する。つまり、バネ(33)が圧縮された状態
になって、弁体(3)が閉弁方向に付勢されることとな
る。
When incorporating the vacuum breaker (2) into the valve device body (1), the valve body (3), the valve shaft (31), the spring (33) and the stop ring (34) are assembled as a unit in advance. And the enlarged head (32) at the tip of the valve shaft (31) of this unit
Is inserted into the shaft hole (13) and the male screw body (20) is screwed into the female screw portion (11). Here, since the female screw portion (11) and the shaft hole (13) are set in advance in a predetermined relationship, the male screw body (20) is screwed into the valve seat opening (21) and the valve body (3). ) And the retaining ring (34) are in contact with the wall surface of the flow path (10). That is, the spring (33) is compressed and the valve body (3) is urged in the valve closing direction.

[効果] 本考案は上記構成であるから次の特有の効果を有する。[Effects] The present invention having the above-described configuration has the following unique effects.

逆止弁(4)とバキュームブレーカ(2)とが別個に配
設されるから、バキュームプレーカ(2)のみの修理点
検に際して逆止弁(4)を分解する必要がなく、特に点
検修理の頻度の高いバキュームブレーカ(2)の修理点
検が簡便である。
Since the check valve (4) and the vacuum breaker (2) are separately arranged, it is not necessary to disassemble the check valve (4) when repairing and checking only the vacuum breaker (2). Repair and inspection of the vacuum breaker (2), which is frequently performed, is easy.

また、バキュームブレーカ(2)の組み付けに際して
は、弁体(3)のユニットが別個に組立てられ、これを
雄ネジ体(20)を用いて弁装置本体(1)に螺合装着す
るだけであるから、これの組み付けも簡単である。
Further, when assembling the vacuum breaker (2), the valve body (3) unit is separately assembled, and this is simply screwed to the valve device body (1) using the male screw body (20). Therefore, it is easy to assemble it.

[実施例] 以下、本考案の実施例を第1図・第2図に基いて説明す
る。
[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

この実施例では、バキュームブレーカ(2)と逆止弁
(4)とを弁装置本体(1)に平行に一定の間隔を置い
て並設する構成を採用する。そして、前記逆止弁(4)
は、出口部(14)となる接続筒部(40)に装備され、こ
の接続筒部(40)が弁装置本体(1)の突出筒部(15)
に螺合される構成である。
In this embodiment, the vacuum breaker (2) and the check valve (4) are arranged in parallel to the valve device main body (1) at regular intervals. And the check valve (4)
Is mounted on the connecting tubular portion (40) that serves as the outlet portion (14), and this connecting tubular portion (40) is the protruding tubular portion (15) of the valve device main body (1).
It is configured to be screwed into.

この接続筒部(40)には複数の通過孔(43)(43)を具
備する頂壁を形成し、これが前記突出筒部(15)に形成
した弁座部(16)と対向するようになっており、この突
出筒部(15)に対接する逆止弁(4)の弁軸(44)の下
端にストップリング(45)を装着し、付勢バネ(42)を
逆止弁(4)と接続筒部(40)の頂壁との間に介装して
いる。
A top wall having a plurality of passage holes (43) (43) is formed in the connecting cylinder part (40) so that the top wall faces the valve seat part (16) formed in the protruding cylinder part (15). A stop ring (45) is attached to the lower end of the valve shaft (44) of the check valve (4) that is in contact with the protruding cylinder portion (15), and the urging spring (42) is attached to the check valve (4). ) And the top wall of the connecting tubular part (40).

従って、逆止弁(4)の組み付けにおいても逆止弁
(4)と付勢バネ(42)等を予めユニットとして組立て
ることができる。
Therefore, even when the check valve (4) is assembled, the check valve (4), the biasing spring (42) and the like can be assembled in advance as a unit.

次に、バキュームブレーカ(2)は、第2図に示すよう
な、弁体(3),弁軸(31),バネ(33)及び止め環
(34)の組立体と、これと別個に構成した雄ネジ体(2
0)とからなり、この雄ネジ体(20)の雄ネジ部の中程
に弁座口(21)が形成されている。そして、その上流側
は、弁体(3)を収容できる大きさの拡大径部となって
おり、この拡大径部内に弁体(3)を収容するようにし
て第2図に示すユニットを挿入するとともに拡大頭部
(32)を軸孔(13)に挿入して雄ネジ体(20)を締め付
けるとバキュームブレーカ(2)が所定の状態に組み付
けられる。
Next, the vacuum breaker (2) is constructed separately from the assembly of the valve body (3), the valve shaft (31), the spring (33) and the retaining ring (34) as shown in FIG. Male screw body (2
0) and a valve seat opening (21) is formed in the middle of the male screw part of the male screw body (20). Then, the upstream side is an enlarged diameter portion having a size capable of accommodating the valve body (3), and the unit shown in FIG. 2 is inserted so as to accommodate the valve body (3) in the enlarged diameter portion. When the enlarged head portion (32) is inserted into the shaft hole (13) and the male screw body (20) is tightened, the vacuum breaker (2) is assembled in a predetermined state.

尚、弁軸(31)と弁体(3)との結合構造は、この実施
例では、弁軸(31)の下端を弁体(3)に形成した非貫
通孔に圧入する構成を採用しているが、これを螺合する
構成に置換することも可能である。
In this embodiment, the connecting structure of the valve shaft (31) and the valve body (3) is such that the lower end of the valve shaft (31) is press-fitted into a non-through hole formed in the valve body (3). However, it is also possible to replace this with a configuration in which it is screwed.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案の実施例の断面図,第2図は弁体(3)
のユニットの説明図,第3図は従来例の説明図であり、
図中, (1)……弁装置本体 (2)……バキュームブレーカ (14)……出口部 (4)……逆止弁 (10)……流路 (11)……雌ネジ部 (13)……軸孔 (12)……透孔 (20)……雄ネジ体 (21)……弁座口 (3)……弁体 (31)……弁軸 (32)……拡大頭部 (33)……バネ (34)……止環
FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a valve body (3).
3 is an explanatory view of a unit of FIG.
In the figure, (1) …… Valve device body (2) …… Vacuum breaker (14) …… Outlet (4) …… Check valve (10) …… Flow path (11) …… Female thread (13) ) …… Shaft hole (12) …… Through hole (20) …… Male screw body (21) …… Valve seat opening (3) …… Valve body (31) …… Valve shaft (32) …… Enlarged head (33) …… Spring (34) …… Stop ring

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】逆止弁(4)を装備させた弁装置本体
(1)の一部にバキュームブレーカ(2)を装着する形
式の弁装置ユニットにおいて、弁装置本体(1)の出口
部(14)の上流側に逆止弁(4)を設け、この逆止弁
(4)の設置部から離れた位置に流路(10)に連通する
雌ネジ部(11)を形成し、この雌ネジ部形成壁面と対向
する流路壁面に前記雌ネジ部(11)と同軸の軸孔(13)
を形成し、前記雌ネジ部(11)に雄ネジ体(20)を螺合
させ、この雄ネジ体(20)に大気側に開放する弁座口
(21)を具備させ、前記弁座口(21)に対接する弁体
(3)の弁軸(31)の先端部を拡大頭部(32)とし、前
記弁軸(31)にバネ(33)を外嵌させてこのバネの一端
を弁体(3)に対接させるとともに他端を弁軸(31)に
移動自在に外嵌する止環(34)に対接させ、この止環
(34)を拡大頭部(32)によって抜け止め状態に保持さ
せ、前記拡大頭部(32)を軸孔(13)に嵌合させた弁装
置ユニット。
1. A valve device unit in which a vacuum breaker (2) is attached to a part of a valve device body (1) equipped with a check valve (4), the outlet portion ( A check valve (4) is provided on the upstream side of 14), and a female screw part (11) communicating with the flow path (10) is formed at a position apart from the installation part of the check valve (4). A shaft hole (13) coaxial with the female threaded portion (11) is formed on the wall surface of the flow path that faces the threaded portion forming wall surface.
And a male screw body (20) is screwed into the female screw portion (11), and the male screw body (20) is provided with a valve seat opening (21) opening to the atmosphere side. The distal end of the valve shaft (31) of the valve body (3) facing the (21) is used as an enlarged head (32), and a spring (33) is fitted onto the valve shaft (31) and one end of this spring is attached. The other end is brought into contact with the valve body (3) and the other end is brought into contact with a stop ring (34) which is movably fitted onto the valve shaft (31), and the stop ring (34) is pulled out by the enlarged head (32). A valve device unit in which the enlarged head portion (32) is fitted in the shaft hole (13) while being held in a stopped state.
JP3178389U 1989-03-20 1989-03-20 Valve unit Expired - Fee Related JPH0638224Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3178389U JPH0638224Y2 (en) 1989-03-20 1989-03-20 Valve unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3178389U JPH0638224Y2 (en) 1989-03-20 1989-03-20 Valve unit

Publications (2)

Publication Number Publication Date
JPH02122280U JPH02122280U (en) 1990-10-05
JPH0638224Y2 true JPH0638224Y2 (en) 1994-10-05

Family

ID=31257898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3178389U Expired - Fee Related JPH0638224Y2 (en) 1989-03-20 1989-03-20 Valve unit

Country Status (1)

Country Link
JP (1) JPH0638224Y2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0716947Y2 (en) * 1991-04-10 1995-04-19 株式会社光合金製作所 Check valve with intake valve
JP5060150B2 (en) * 2007-04-05 2012-10-31 株式会社キッツ Ventilation valve
JP7103976B2 (en) 2019-03-01 2022-07-20 本田技研工業株式会社 One-way valve and transmission

Also Published As

Publication number Publication date
JPH02122280U (en) 1990-10-05

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