JPH06101777A - Solenoid valve - Google Patents

Solenoid valve

Info

Publication number
JPH06101777A
JPH06101777A JP27366192A JP27366192A JPH06101777A JP H06101777 A JPH06101777 A JP H06101777A JP 27366192 A JP27366192 A JP 27366192A JP 27366192 A JP27366192 A JP 27366192A JP H06101777 A JPH06101777 A JP H06101777A
Authority
JP
Japan
Prior art keywords
passage
heater
valve body
opening
bottom member
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.)
Granted
Application number
JP27366192A
Other languages
Japanese (ja)
Other versions
JP3062979B2 (en
Inventor
Kiju Takahashi
喜重 高橋
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.)
Oze KK
Original Assignee
Oze KK
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 Oze KK filed Critical Oze KK
Priority to JP4273661A priority Critical patent/JP3062979B2/en
Publication of JPH06101777A publication Critical patent/JPH06101777A/en
Application granted granted Critical
Publication of JP3062979B2 publication Critical patent/JP3062979B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K49/00Means in or on valves for heating or cooling
    • F16K49/002Electric heating means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

PURPOSE:To prevent the operation disabled state of a valve due to the freezing of water droplets by assembling a temperature sensor and a heater on a bottom member and automatically operating the heater when the air temperature or water temperature lowers below each prescribed value. CONSTITUTION:A bottom member 9 is installed in a demountable manner at the bottom part opening of a valve body 2. A passage 12 in which both the edge opened port parts 10 and 11 project as water passing port and draining passages 13 and 14 branched downward from the center part of the passage 12 are formed at the symmetrical position on the side surface of the bottom member 9, and a valve seat 15 is installed at the branched point of the draining passages 13 and 14. Further, at the center part of the passage 12, an air flow port 16 for the communication to the inside of the valve body is formed. A valve body 18 is fixed at the lower edge part of a shaft rod 6 connected with a plunger 5, and opens and closes the draining passages 13 and 14. Further, an opening/closing plate 19 for the air flow port 16 is fixed at the center part in the axial direction of the shaft rod 6. A temperature sensor 21 and a heater 22 are arranged on the bottom member 9, and a heater 23 is on the opening/closing plate 19 for the air flow port, and the temperature sensor 21 sends operation signals to a solenoid coil 3 and the heaters 22 and 23.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は電磁弁に関し、更に詳細
には温度センサとヒータを組み込むと共に容易に分解す
ることができるようになした電磁弁に係わる。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solenoid valve, and more particularly to a solenoid valve in which a temperature sensor and a heater are incorporated and which can be easily disassembled.

【0002】[0002]

【従来の技術】寒冷地等にあっては、夜間水温が下がっ
て凍結し、水道管が破裂したりヒビが入る等の事故が頻
発する。このため、本発明者は水道管として柔軟性のあ
るゴムやプラスチックからなるホースを用い、夜間に温
度が下がったときには、垂れ下がったホースの途中部か
らホース中の水を抜くようになし、もって上記問題点を
解消するようになした水道配管装置を案出した。
2. Description of the Related Art In cold regions and the like, nighttime water temperatures drop and freeze, causing frequent accidents such as water pipe rupture or cracking. For this reason, the present inventor uses a flexible rubber or plastic hose as a water pipe, and when the temperature drops at night, the water is drained from the middle of the hanging hose. We devised a water pipe system that was designed to solve the problem.

【0003】そして、斯かる水道配管装置の水抜きには
電磁弁を用いることが望ましいが、普通の電磁弁では水
滴の凍結によって弁が作動しなくなる虞がある。そこ
で、本発明者は斯かる水道配管装置におけるホースの途
中部に設ける水抜き用の電磁弁として、どのような構造
のものが望ましいかという点について鋭意研究した結
果、本発明を完成するに至ったものである。
Although it is desirable to use a solenoid valve for draining water from such a water pipe apparatus, there is a risk that the ordinary solenoid valve will not operate due to freezing of water droplets. Therefore, the present inventor has conducted earnest research on what kind of structure is preferable as a solenoid valve for draining water provided in the middle of a hose in such a water pipe apparatus, and as a result, has completed the present invention. It is a thing.

【0004】[0004]

【発明が解決しようとする課題】本発明は、温度センサ
とヒータとを組み込むことにより、気温又は水温が所定
の温度まで下がったときに、自動的にヒータを作動させ
て弁の周囲を加温し、もって水滴の凍結による弁の不作
動を防止することができるようになし、併せて底部材を
簡単に取り外して分解することができるようになした電
磁弁を提供せんとするものである。
SUMMARY OF THE INVENTION The present invention incorporates a temperature sensor and a heater so that when the air temperature or the water temperature falls to a predetermined temperature, the heater is automatically operated to heat the periphery of the valve. However, it is an object of the present invention to provide a solenoid valve which is capable of preventing the valve from being inoperable due to freezing of water droplets and, at the same time, being capable of easily removing and disassembling the bottom member.

【0005】[0005]

【課題を解決するための手段】而して、本発明の要旨と
するところは、バルブボディの底部開口に、側面の対称
位置に両端開口部が通水口として突出する通路と、該通
路の中央部から下方に向けて分岐する排水通路の分岐点
に弁座を形成すると共に、前記通路の中央部にバルブボ
ディ内に連通する空気流通口を設けた底部材を着脱自在
に取着する一方、上端部をプランジャに着脱自在に接続
した軸杆に、その下端部に弁体を固着すると共に、軸方
向の中央部に空気流通口の開閉板を固着し、更に前記底
部材に温度センサとヒータを配設する一方、前記空気流
通口の開閉板にヒータを配設したことを特徴とする電磁
弁にある。
SUMMARY OF THE INVENTION The gist of the present invention is to provide a bottom opening of a valve body, a passage having both end openings projecting as water passages at symmetrical positions on the side surface, and a center of the passage. While a valve seat is formed at a branch point of a drainage passage branched downward from the above portion, a bottom member provided with an air circulation port communicating with the inside of the valve body is detachably attached to the central portion of the passage. A valve rod is fixed to the lower end of the shaft rod, the upper end of which is detachably connected to the plunger, and an opening / closing plate for the air circulation port is fixed to the central portion in the axial direction. Further, a temperature sensor and a heater are attached to the bottom member. On the other hand, a solenoid valve is characterized in that a heater is provided on the opening / closing plate of the air circulation port.

【0006】[0006]

【作用】次に、本発明の作用について説明する。凍結す
る温度になったことを温度センサが検知すると、ソレノ
イドコイルに通電されて弁体が弁座から浮き上がり、排
水通路から排水される。またこのときには、空気流通口
も開放されて、空気が通路内に流入して水の抜けを良く
する。また一方、温度センサの検知によって自動的にヒ
ータも作動を開始し、弁体の周囲を加温して、水滴の凍
結を防止するものである。したがって、気温や水温が下
がっても、いつでも弁を作動し得る状態に保持すること
ができるものである。また、弁体の加温と同時にヒータ
によって空気流通口の開閉板も加温し、水滴の凍結によ
ってそれの開閉が妨げられないようにする。そしてま
た、気温や水温が上昇して所定の温度より高くなると、
自動的にヒータは作動を停止するものである。
Next, the operation of the present invention will be described. When the temperature sensor detects that the temperature has reached a freezing temperature, the solenoid coil is energized to lift the valve body from the valve seat and drain the drainage passage. At this time, the air circulation port is also opened, and the air flows into the passage to improve the drainage of water. On the other hand, when the temperature sensor detects the heater, the heater automatically starts to heat the periphery of the valve element to prevent water droplets from freezing. Therefore, even if the temperature of the air or the temperature of the water drops, the valve can be kept in an operable state at any time. At the same time that the valve body is heated, the heater also heats the opening / closing plate of the air circulation port so that the opening / closing of the opening / closing plate is not hindered by freezing of water droplets. And again, when the air temperature or water temperature rises and becomes higher than the predetermined temperature,
The heater automatically stops operating.

【0007】また、分解するときには、先ず止めビスを
抜いて底部材をバルブボディから取り外し、その後連結
ピンを引き抜いて軸杆をプランジャから外すものであ
る。
Further, when disassembling, first, the stop screw is pulled out to remove the bottom member from the valve body, and then the connecting pin is pulled out to remove the shaft rod from the plunger.

【0008】[0008]

【実施例】以下、本発明の実施例について、図面を参照
しつつ説明する。図中、1は電磁弁本体である。2はバ
ルブボディ、3はソレノイドコイル、4は磁極鉄心であ
る。5はプランジャ、6は該プランジャ5に上端部を接
続した軸杆であり、バルブボディ2内に固定された支承
筒7によって上下動自在に支承されている。尚、該軸杆
6は連結ピン8を介してプランジャ5に接続されてお
り、該連結ピン8を引き抜くことによって容易に取り外
すことができるようにされている。
Embodiments of the present invention will be described below with reference to the drawings. In the figure, 1 is a solenoid valve body. 2 is a valve body, 3 is a solenoid coil, and 4 is a magnetic pole iron core. Reference numeral 5 is a plunger, and 6 is a shaft rod having an upper end portion connected to the plunger 5, which is movably supported by a support cylinder 7 fixed in the valve body 2. The shaft rod 6 is connected to the plunger 5 via a connecting pin 8 and can be easily removed by pulling out the connecting pin 8.

【0009】9は前記バルブボディ2の底部開口に着脱
自在に取着した底部材であり、側面の対称位置に両端開
口部10、11が通水口として突出する通路12と、該
通路12の中央部から下方に向けて分岐する排水通路1
3、14を設け、該排水通路13、14の分岐点に弁座
15を形成し、更に前記通路12の中央部にバルブボデ
ィ2内に連通する空気流通口16を設けてなるものであ
る。尚、図示した実施例においては排水通路13、14
の径を違えているが、これは大径の排水通路13から排
水させ、小径の排水通路14から空気を入れるためであ
り、両方を同径としても差し支えないものである。1
7、17は該底部材9を前記バルブボディ2に連結する
ための止めビスである。
Reference numeral 9 denotes a bottom member which is detachably attached to the bottom opening of the valve body 2, and has a passage 12 in which both end openings 10 and 11 project as water passages at symmetrical positions on the side surface, and a central portion of the passage 12. Drainage passage 1 that branches downward from the section
3 and 14 are provided, a valve seat 15 is formed at a branch point of the drainage passages 13 and 14, and an air circulation port 16 communicating with the valve body 2 is provided at the center of the passage 12. In the illustrated embodiment, the drainage passages 13, 14
Although the diameters of the two are different, this is for draining from the large-diameter drain passage 13 and allowing air to enter from the small-diameter drain passage 14, and both may be the same diameter. 1
Reference numerals 7 and 17 denote stop screws for connecting the bottom member 9 to the valve body 2.

【0010】18は前記軸杆6の下端部に固着した弁体
であり、前記排水通路13、14の開閉を行うものであ
る。また、該弁体18は、ソレノイドコイル3に通電す
ることによってプランジャ5を上昇させ、これによって
引き上げて開放状態とするものである。そして、これに
より通路12中の水が排水通路13、14を通って排出
されるものである。
Reference numeral 18 denotes a valve element fixed to the lower end of the shaft rod 6 for opening and closing the drainage passages 13 and 14. In addition, the valve element 18 raises the plunger 5 by energizing the solenoid coil 3 and thereby pulls it up to bring it into an open state. As a result, the water in the passage 12 is discharged through the drain passages 13 and 14.

【0011】19は前記軸杆6の軸方向の中央部に固着
された空気流通口の開閉板である。尚、20はパッキン
である。21は前記底部材9に配設した温度センサであ
り、気温又は水温を検知して前記ソレノイドコイル3と
後記ヒータに作動用信号を送るものである。
Numeral 19 is an opening / closing plate for the air flow port fixed to the axial center of the shaft rod 6. Incidentally, 20 is a packing. Reference numeral 21 denotes a temperature sensor arranged on the bottom member 9, which detects an air temperature or a water temperature and sends an operation signal to the solenoid coil 3 and a heater described later.

【0012】22は前記底部材9に配設したヒータであ
り、温度が下がったときに作動し、排水通路13、14
を加温して水滴の凍結を防止するものである。これによ
り水滴の凍結による弁体18の不作動を防止することが
できるものである。
Reference numeral 22 denotes a heater disposed on the bottom member 9, which is activated when the temperature drops, and drains 13 and 14 are provided.
Is to prevent water droplets from freezing. As a result, it is possible to prevent the valve body 18 from being inoperable due to freezing of water droplets.

【0013】23は前記空気流通口の開閉板19に配設
したヒータであり、該空気流通口の開閉板23が水滴の
凍結によって作動に支障を来すことがないようにするも
のである。
Reference numeral 23 denotes a heater disposed on the opening / closing plate 19 for the air circulation port so that the opening / closing plate 23 for the air circulation port does not interfere with the operation due to freezing of water droplets.

【0014】[0014]

【発明の効果】本発明は上記の如き構成、作用であり、
温度センサによって気温又は水温を検知し、それが所定
の温度まで下がったときには、自動的にヒータを作動し
て弁体の部分を加温するものであるから、水滴の凍結に
よる弁の不作動を確実に防止することができるものであ
る。また、底部材をバルブボディから簡単に取り外して
分解することができるものである。
The present invention has the constitution and operation as described above.
When the temperature or water temperature is detected by the temperature sensor, and when it drops to a predetermined temperature, the heater is automatically activated to heat the valve body part. It can be surely prevented. Further, the bottom member can be easily removed from the valve body and disassembled.

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

【図1】本発明の一実施例の中央縦断正面図である。FIG. 1 is a central longitudinal front view of an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 電磁弁本体 2 バルブボディ 3 ソレノイドコイル 4 磁極鉄心 5 プランジャ 6 軸杆 7 支承筒 9 底部材 10 通路の開口部 11 通路の開口部 12 通路 13 排水通路 14 排水通路 15 弁座 16 空気流通口 18 弁体 19 空気流通口の開閉板 21 温度センサ 22 ヒータ 23 ヒータ 1 Solenoid Valve Main Body 2 Valve Body 3 Solenoid Coil 4 Magnetic Pole Core 5 Plunger 6 Shaft Rod 7 Support Tube 9 Bottom Member 10 Passage Opening 11 Passage Opening 12 Passage 13 Drainage Passage 14 Drainage Passage 15 Valve Seat 16 Air Flow Port 18 Valve body 19 Open / close plate for air flow port 21 Temperature sensor 22 Heater 23 Heater

─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成5年2月2日[Submission date] February 2, 1993

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0008[Correction target item name] 0008

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0008】[0008]

【実施例】以下、本発明の実施例について、図面を参照
しつつ説明する。図中、1は電磁弁本体である。2はバ
ルブボディ、3はソレノイドコイル、4は磁極鉄心であ
る。5はプランジャ、6は該プランジャ5に上端部を接
続した軸杆であり、バルブボディ2内に支持板7aによ
って固定された支承筒7によって上下動自在に支承され
ている。尚、該軸杆6は連結ピン8を介してプランジャ
5に接続されており、該連結ピン8を引き抜くことによ
って容易に取り外すことができるようにされている。
た、該軸杆6は支持板7aと後記空気流通口の開閉板と
の間に設けたコイルばね6aを介して常時下方に移動す
るように附勢してもよい。
Embodiments of the present invention will be described below with reference to the drawings. In the figure, 1 is a solenoid valve body. 2 is a valve body, 3 is a solenoid coil, and 4 is a magnetic pole iron core. Reference numeral 5 is a plunger, and 6 is a shaft rod having an upper end portion connected to the plunger 5 .
Is supported vertically movably by the support tube 7 fixed me. The shaft rod 6 is connected to the plunger 5 via a connecting pin 8, and can be easily removed by pulling out the connecting pin 8. Well
Further, the shaft rod 6 includes a support plate 7a and an opening / closing plate for an air flow port described later.
Always moves downward via a coil spring 6a provided between
May be urged to

【手続補正2】[Procedure Amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0011[Correction target item name] 0011

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0011】19は前記軸杆6の軸方向の中央部に固着
された空気流通口の開閉板である。また、20aは前記
空気流通口の開閉板19の下面に設けた円板状のパッキ
ンである。尚、該パッキン20に代えて図2に示す如く
0リング状のパッキン20bを用いてもよい。21は前
記底部材9に配設した温度センサであり、気温又は水温
を検知して前記ソレノイドコイル3と後記ヒータに作動
用信号を送るものである。
Numeral 19 is an opening / closing plate for the air flow port fixed to the axial center of the shaft rod 6. In addition, 20a is the above
A disk-shaped packing provided on the lower surface of the opening / closing plate 19 for the air circulation port . Instead of the packing 20, as shown in FIG.
The O-ring packing 20b may be used. Reference numeral 21 denotes a temperature sensor arranged on the bottom member 9, which detects an air temperature or a water temperature and sends an operation signal to the solenoid coil 3 and a heater described later.

【手続補正3】[Procedure 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】図面の簡単な説明[Name of item to be corrected] Brief description of the drawing

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

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

【図1】本発明の一実施例の中央縦断正面図である。 FIG. 1 is a central longitudinal front view of an embodiment of the present invention.

【図2】パッキンの他の例の説明図である。FIG. 2 is an explanatory diagram of another example of packing.

【符号の説明】 1 電磁弁本体 2 バルブボディ 3 ソレノイドコイル 4 磁極片鉄心 5 プランジャ 6 軸杆6a コイルばね 7 支承筒7a 支持板 9 底部材 10 通路の開口部 11 通路の開口部 12 通路 13 排水通路 14 排水通路 15 弁座 16 空気流通口 18 弁体 19 空気流通口の開閉板20a 円板状のパッキン 20b 0リング状のパッキン 21 温度センサ 22 ヒータ 23 ヒータ[Explanation of symbols] 1 solenoid valve body 2 valve body 3 solenoid coil 4 magnetic pole piece iron core 5 plunger 6 shaft rod 6a coil spring 7 support cylinder 7a support plate 9 bottom member 10 passage opening 11 passage opening 12 passage 13 drainage Passage 14 Drainage passage 15 Valve seat 16 Air flow port 18 Valve body 19 Open / close plate 20a for air flow port Disc-shaped packing 20b 0 Ring-shaped packing 21 Temperature sensor 22 Heater 23 Heater

【手続補正4】[Procedure amendment 4]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図1[Name of item to be corrected] Figure 1

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図1】 [Figure 1]

【手続補正5】[Procedure Amendment 5]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図2[Name of item to be corrected] Figure 2

【補正方法】追加[Correction method] Added

【補正内容】[Correction content]

【図2】 [Fig. 2]

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 バルブボディの底部開口に、側面の対称
位置に両端開口部が通水口として突出する通路と、該通
路の中央部から下方に向けて分岐する排水通路の分岐点
に弁座を形成すると共に、前記通路の中央部にバルブボ
ディ内に連通する空気流通口を設けた底部材を着脱自在
に取着する一方、上端部をプランジャに着脱自在に接続
した軸杆に、その下端部に弁体を固着すると共に、軸方
向の中央部に空気流通口の開閉板を固着し、更に前記底
部材に温度センサとヒータを配設する一方、前記空気流
通口の開閉板にヒータを配設したことを特徴とする電磁
弁。
1. A bottom opening of a valve body, a passage having both end openings projecting as water passages at symmetrical positions on a side surface, and a valve seat at a branch point of a drainage passage branched downward from a central portion of the passage. A bottom member, which is formed and has an air circulation port communicating with the inside of the valve body at the center of the passage, is detachably attached to the shaft rod whose top end is detachably connected to the plunger. The valve body is fixed to the valve body, the opening / closing plate of the air circulation port is fixed to the central portion in the axial direction, and the temperature sensor and the heater are arranged on the bottom member, while the heater is arranged on the opening / closing plate of the air circulation port. A solenoid valve characterized by being installed.
JP4273661A 1992-09-17 1992-09-17 solenoid valve Expired - Fee Related JP3062979B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4273661A JP3062979B2 (en) 1992-09-17 1992-09-17 solenoid valve

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Application Number Priority Date Filing Date Title
JP4273661A JP3062979B2 (en) 1992-09-17 1992-09-17 solenoid valve

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JPH06101777A true JPH06101777A (en) 1994-04-12
JP3062979B2 JP3062979B2 (en) 2000-07-12

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JP4273661A Expired - Fee Related JP3062979B2 (en) 1992-09-17 1992-09-17 solenoid valve

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425448A (en) * 2005-04-22 2006-10-25 Bernard Bollons Carburettor with electrically heated throttle valve disc
US20160017577A1 (en) * 2013-09-04 2016-01-21 Sang Min Seo Device and method for protecting water-based equipment
JP2016089889A (en) * 2014-10-31 2016-05-23 株式会社石井鐵工所 Freezing preventive device for breather valve
CN107575634A (en) * 2017-09-27 2018-01-12 深圳市美雅洁技术股份有限公司 It is a kind of to cross wax magnetic valve and its control method for tissue processor
JP2020187841A (en) * 2019-05-10 2020-11-19 本田技研工業株式会社 valve
CN112377658A (en) * 2021-01-18 2021-02-19 山东建华阀门制造有限公司 Anti-freezing valve for water supply equipment
KR20220038219A (en) * 2020-09-18 2022-03-28 정선순 Apparatus for preventing freezing of the valve for air respirator mask and the method for controlling thereof
CN114787547A (en) * 2020-03-09 2022-07-22 金子产业株式会社 Electromagnetic valve

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425448A (en) * 2005-04-22 2006-10-25 Bernard Bollons Carburettor with electrically heated throttle valve disc
US7364139B2 (en) 2005-04-22 2008-04-29 Bernard Bollons Carburetors
EP1715174A3 (en) * 2005-04-22 2008-07-02 Bernard Bollons Carburettors
GB2425448B (en) * 2005-04-22 2008-12-24 Bernard Bollons Carburettors
US20160017577A1 (en) * 2013-09-04 2016-01-21 Sang Min Seo Device and method for protecting water-based equipment
JP2016089889A (en) * 2014-10-31 2016-05-23 株式会社石井鐵工所 Freezing preventive device for breather valve
CN107575634A (en) * 2017-09-27 2018-01-12 深圳市美雅洁技术股份有限公司 It is a kind of to cross wax magnetic valve and its control method for tissue processor
JP2020187841A (en) * 2019-05-10 2020-11-19 本田技研工業株式会社 valve
CN114787547A (en) * 2020-03-09 2022-07-22 金子产业株式会社 Electromagnetic valve
CN114787547B (en) * 2020-03-09 2024-04-23 金子产业株式会社 Electromagnetic valve
KR20220038219A (en) * 2020-09-18 2022-03-28 정선순 Apparatus for preventing freezing of the valve for air respirator mask and the method for controlling thereof
CN112377658A (en) * 2021-01-18 2021-02-19 山东建华阀门制造有限公司 Anti-freezing valve for water supply equipment

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