TWI845851B - Valve insulation structure and valve - Google Patents

Valve insulation structure and valve Download PDF

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Publication number
TWI845851B
TWI845851B TW110126923A TW110126923A TWI845851B TW I845851 B TWI845851 B TW I845851B TW 110126923 A TW110126923 A TW 110126923A TW 110126923 A TW110126923 A TW 110126923A TW I845851 B TWI845851 B TW I845851B
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Taiwan
Prior art keywords
valve
cylindrical portion
seat ring
box
heat
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TW110126923A
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Chinese (zh)
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TW202206734A (en
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徳谷保浩
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日商奥村工程股份有限公司
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    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209Check valves or pivoted valves
    • F16K27/0218Butterfly valves
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/42Valve seats
    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K51/00Other details not peculiar to particular types of valves or cut-off apparatus
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
  • Valve Housings (AREA)

Abstract

本申請發明之目的在於提供一種能夠使通過流路之流體與閥驅動部之間絕熱並能夠防止閥驅動部成為低溫而於閥驅動部產生結露之閥絕熱構造及閥。 使蝶形閥12構成為具備如下構件:閥箱14,其具有從筒狀部16突出之突出部18;座圈24,其圓筒部26嵌入至閥箱14之筒狀部16內;閥體30,其配置於座圈24之圓筒部26內;頸構件40,其與閥箱14之突出部18連接;閥桿32,其貫通方向前端固定於閥體30;及大致環形狀之空間部70,其設置於閥箱14與座圈24之間。The purpose of the invention of this application is to provide a valve insulation structure and valve that can insulate the fluid passing through the flow path from the valve actuator and prevent the valve actuator from becoming cold and causing condensation on the valve actuator. The butterfly valve 12 is constructed to have the following components: a valve box 14 having a protrusion 18 protruding from a cylindrical portion 16; a seat ring 24 having a cylindrical portion 26 embedded in the cylindrical portion 16 of the valve box 14; a valve body 30 disposed in the cylindrical portion 26 of the seat ring 24; a neck member 40 connected to the protrusion 18 of the valve box 14; a valve stem 32 having a front end in a through direction fixed to the valve body 30; and a substantially annular space portion 70 disposed between the valve box 14 and the seat ring 24.

Description

閥絕熱構造及閥Valve insulation structure and valve

本申請發明係關於一種構成蝶形閥等閥之閥絕熱構造及閥。The invention of this application relates to a valve insulation structure and a valve constituting a butterfly valve or the like.

一直以來,為了將流體之流動封閉或開放而使用了蝶形閥(閥)。於圖3中,作為一例,示出蝶形閥100。蝶形閥100具備閥箱104、座圈110、閥體108、頸構件112及閥桿106。閥箱104具有筒狀部103及從筒狀部103突出之突出部105。座圈110具有圓筒部109,並構成為圓筒部109嵌入閥箱104之筒狀部103內。閥體108配置於座圈110之圓筒部109內。圓筒部109之內側中空部構成流路102。頸構件112具有固定於具有旋轉驅動機構、控制機構等之閥驅動部(未圖示)之凸緣(固定部)118,該頸構件112構成為與閥箱104之突出部105連接。閥桿106以能夠旋轉之方式貫通頸構件112、閥箱104之突出部105、及座圈110,其貫通方向前端(未圖示)固定於閥體108,並構成為與閥體108一起繞旋轉中心C0旋轉。座圈110具有供閥體108抵接之座部114。頸構件112之筒狀部116之下部插入至閥箱104之突出部105。A butterfly valve has been used to close or open the flow of a fluid. FIG. 3 shows a butterfly valve 100 as an example. The butterfly valve 100 includes a valve box 104, a seat ring 110, a valve body 108, a neck member 112, and a valve stem 106. The valve box 104 has a cylindrical portion 103 and a protruding portion 105 protruding from the cylindrical portion 103. The seat ring 110 has a cylindrical portion 109, and the cylindrical portion 109 is embedded in the cylindrical portion 103 of the valve box 104. The valve body 108 is arranged in the cylindrical portion 109 of the seat ring 110. The inner hollow portion of the cylindrical portion 109 constitutes a flow path 102. The neck member 112 has a flange (fixing portion) 118 fixed to a valve driving portion (not shown) having a rotation driving mechanism, a control mechanism, etc., and is configured to be connected to the protruding portion 105 of the valve box 104. The valve rod 106 rotatably penetrates the neck member 112, the protruding portion 105 of the valve box 104, and the seat ring 110, and its front end in the penetration direction (not shown) is fixed to the valve body 108 and is configured to rotate around the rotation center C0 together with the valve body 108. The seat ring 110 has a seat portion 114 for the valve body 108 to abut. The lower portion of the cylindrical portion 116 of the neck member 112 is inserted into the protruding portion 105 of the valve box 104.

蝶形閥100將頸構件112之凸緣118固定於閥驅動部來使用。若於流路102通過之流體為低溫,則蝶形閥100使低溫經由閥體108、座圈110、閥箱104及頸構件112之筒狀部116向凸緣118傳遞,並向固定凸緣118之閥驅動部傳遞(熱從高溫側之閥驅動部向低溫側之流體移動)。因此,存在閥驅動部成為低溫並於閥驅動部產生結露之情況。若於閥驅動部產生結露,則由於結露之滴下,會在結露所滴下之工廠等之頂棚、壁產生污漬。又,由於結露之滴下,閥驅動部之周邊設備有可能無法順利地工作、或有可能導致腐蝕。再者,存在與防止蝶形閥自身之結露有關之文獻(參照專利文獻1)。但,不存在與本申請發明相關聯之文獻。 [先前技術文獻] [專利文獻]The butterfly valve 100 is used by fixing the flange 118 of the neck member 112 to the valve actuator. If the fluid passing through the flow path 102 is low temperature, the butterfly valve 100 transfers the low temperature to the flange 118 through the valve body 108, the seat ring 110, the valve box 104 and the cylindrical portion 116 of the neck member 112, and then transfers it to the valve actuator fixed with the flange 118 (heat moves from the valve actuator on the high temperature side to the fluid on the low temperature side). Therefore, there is a situation where the valve actuator becomes low temperature and condensation is generated on the valve actuator. If condensation occurs on the valve actuator, the dripping of condensation will cause stains on the ceiling and walls of the factory where the condensation drips. In addition, due to the dripping of condensation, the peripheral equipment of the valve actuator may not work smoothly or may cause corrosion. In addition, there are documents related to preventing condensation on the butterfly valve itself (see Patent Document 1). However, there are no documents related to the invention of this application. [Prior technical document] [Patent document]

[專利文獻1]日本專利特開平11-2359號公報[Patent Document 1] Japanese Patent Publication No. 11-2359

[發明所欲解決之問題][The problem the invention is trying to solve]

本申請發明之目的在於提供一種能夠使通過流路之流體與閥驅動部之間絕熱、並能夠防止閥驅動部成為低溫而於閥驅動部產生結露之閥絕熱構造及閥。 [解決問題之技術手段]The purpose of the present invention is to provide a valve insulation structure and a valve that can insulate the fluid passing through the flow path from the valve actuator and prevent the valve actuator from becoming cold and causing condensation on the valve actuator. [Technical means to solve the problem]

本申請發明之閥絕熱構造之特徵在於,其係閥之閥絕熱構造,該閥具備: 閥箱,其具有筒狀部及與該筒狀部連續之連接部; 座圈,其具有圓筒部,該圓筒部嵌入至上述閥箱之上述筒狀部內; 閥體,其配置於上述座圈之上述圓筒部內; 頸構件,其具有固定於閥驅動部之固定部、及與上述閥箱之連接部直接地或間接地連接之連接部;及 閥桿,其以能夠旋轉之方式貫通上述頸構件、上述閥箱之上述連接部、及上述座圈,其貫通方向前端固定於上述閥體;且 該閥絕熱構造包括: 上述閥箱; 上述座圈;及 大致環形狀之空間部,其設置於上述閥箱與上述座圈之間。The valve insulation structure of the present invention is characterized in that it is a valve insulation structure of a valve, and the valve comprises: A valve box having a cylindrical portion and a connecting portion connected to the cylindrical portion; A seat ring having a cylindrical portion, and the cylindrical portion is embedded in the cylindrical portion of the valve box; A valve body is arranged in the cylindrical portion of the seat ring; A neck member having a fixing portion fixed to the valve driving portion and a connecting portion connected to the valve driving portion; The connecting portion of the valve box is directly or indirectly connected; and the valve rod is rotatably connected to the neck member, the connecting portion of the valve box, and the seat ring, and the front end of the connecting direction is fixed to the valve body; and the valve insulation structure includes: the valve box; the seat ring; and a roughly annular space portion, which is arranged between the valve box and the seat ring.

又,本申請發明之閥絕熱構造係如上述閥絕熱構造,其特徵在於,於上述空間部內具備大致環形狀之絕熱構件。Furthermore, the valve insulation structure of the present application is the valve insulation structure described above, and is characterized in that a substantially annular insulation member is provided in the space portion.

又,本申請發明之閥絕熱構造係如上述閥絕熱構造,其特徵在於,上述絕熱構件被呈放射狀分割成複數個而構成。Furthermore, the valve insulation structure of the present invention is the valve insulation structure described above, and is characterized in that the insulation member is radially divided into a plurality of members.

本申請發明之閥絕熱構造之特徵在於,其係閥之閥絕熱構造,該閥具備: 閥箱,其具有筒狀部及與該筒狀部連續之連接部; 座圈,其具有圓筒部,該圓筒部嵌入至上述閥箱之上述筒狀部內; 閥體,其配置於上述座圈之上述圓筒部內; 頸構件,其具有固定於閥驅動部之固定部、及與上述閥箱之連接部直接地或間接地連接之連接部;及 閥桿,其以能夠旋轉之方式貫通上述頸構件、上述閥箱之上述連接部、及上述座圈,其貫通方向前端固定於上述閥體;且 該閥絕熱構造包括: 上述閥箱; 上述頸構件;及 具有絕熱性之介裝構件,其介裝於上述閥箱之上述連接部與上述頸構件之間。The valve insulation structure of the present invention is characterized in that it is a valve insulation structure of a valve, and the valve comprises: A valve box having a cylindrical portion and a connecting portion connected to the cylindrical portion; A seat ring having a cylindrical portion, and the cylindrical portion is embedded in the cylindrical portion of the valve box; A valve body is arranged in the cylindrical portion of the seat ring; A neck member having a fixing portion fixed to the valve driving portion and a connecting portion connected to the valve box. ; and a valve stem which rotatably penetrates the neck member, the connecting portion of the valve box, and the seat ring, and whose front end in the penetration direction is fixed to the valve body; and the valve insulation structure includes: the valve box; the neck member; and an insulating intermediary member which is interposed between the connecting portion of the valve box and the neck member.

本申請發明之閥之特徵在於具備: 閥箱,其具有筒狀部及與該筒狀部連續之連接部; 座圈,其具有圓筒部,該圓筒部嵌入至上述閥箱之上述筒狀部內; 閥體,其配置於上述座圈之上述圓筒部內; 頸構件,其具有固定於閥驅動部之固定部、及與上述閥箱之連接部直接地或間接地連接之連接部; 閥桿,其以能夠旋轉之方式貫通上述頸構件、上述閥箱之上述連接部、及上述座圈,其貫通方向前端固定於上述閥體;及 大致環形狀之空間部,其設置於上述閥箱與上述座圈之間。The valve of the present invention is characterized by having: A valve box having a cylindrical portion and a connecting portion connected to the cylindrical portion; A seat ring having a cylindrical portion, the cylindrical portion being embedded in the cylindrical portion of the valve box; A valve body disposed in the cylindrical portion of the seat ring; A neck member having a fixed portion fixed to a valve driving portion and a connecting portion directly or indirectly connected to the connecting portion of the valve box; A valve rod rotatably passing through the neck member, the connecting portion of the valve box, and the seat ring, the front end of which is fixed to the valve body in the passing direction; and A roughly annular space portion disposed between the valve box and the seat ring.

本申請發明之閥係如上述閥,其特徵在於,於上述空間部內具備大致環形狀之絕熱構件。The valve of the present invention is the valve as described above, and is characterized in that a substantially annular heat-insulating member is provided in the space portion.

本申請發明之閥係如上述閥,其特徵在於,上述絕熱構件被呈放射狀分割成複數個而構成。The valve of the present invention is the valve described above, and is characterized in that the thermal insulation component is radially divided into a plurality of components.

本申請發明之閥係如上述閥,其特徵在於,具備輔助閥桿,該輔助閥桿從與上述閥桿相反之方向以能夠旋轉之方式貫通上述座圈,其貫通方向前端固定於上述閥體, 上述絕熱構件將上述輔助閥桿能夠旋轉地保持。The valve invented in this application is the valve mentioned above, and is characterized in that it has an auxiliary valve rod, which passes through the seat ring in a rotatable manner in the opposite direction of the valve rod, and its front end in the passing direction is fixed to the valve body, and the insulation component holds the auxiliary valve rod rotatably.

本申請發明之閥之特徵在於具備: 閥箱,其具有筒狀部及與該筒狀部連續之連接部; 座圈,其具有圓筒部,該圓筒部嵌入至上述閥箱之上述筒狀部內; 閥體,其配置於上述座圈之上述圓筒部內; 頸構件,其具有固定於閥驅動部之固定部、及與上述閥箱之連接部直接地或間接地連接之連接部; 閥桿,其以能夠旋轉之方式貫通上述頸構件、上述閥箱之上述連接部、及上述座圈,其貫通方向前端固定於上述閥體;及 具有絕熱性之介裝構件,其介裝於上述閥箱之上述連接部與上述頸構件之間。 [發明之效果]The valve of the present invention is characterized by having: A valve box having a cylindrical portion and a connecting portion connected to the cylindrical portion; A seat ring having a cylindrical portion, the cylindrical portion being embedded in the cylindrical portion of the valve box; A valve body disposed in the cylindrical portion of the seat ring; A neck member having a fixed portion fixed to the valve driving portion and a connecting portion directly or indirectly connected to the connecting portion of the valve box; A valve rod rotatably penetrates the neck member, the connecting portion of the valve box, and the seat ring, and its front end in the penetration direction is fixed to the valve body; and A heat-insulating intermediary member interposed between the connecting portion of the valve box and the neck member. [Effect of the invention]

根據技術方案1及5之本申請發明,於閥箱與座圈之間具備存在熱導率較低之空氣之空間部,因此,能夠防止低溫從座圈向閥箱傳遞。因此,能夠防止流路之流體之低溫經由座圈、閥箱、及頸構件向閥驅動部傳遞(能夠防止熱從高溫側之閥驅動部向低溫側之流體移動)。藉此,能夠進行低溫之流體與閥驅動部之間之絕熱,能夠防止閥驅動部成為低溫而於閥驅動部產生結露。According to the invention of the present application of technical solutions 1 and 5, a space portion containing air with a relatively low thermal conductivity is provided between the valve housing and the seat ring, so that low temperature can be prevented from being transmitted from the seat ring to the valve housing. Therefore, the low temperature of the fluid in the flow path can be prevented from being transmitted to the valve actuator via the seat ring, the valve housing, and the neck member (heat can be prevented from moving from the valve actuator on the high temperature side to the fluid on the low temperature side). In this way, the low temperature fluid and the valve actuator can be insulated, and condensation can be prevented from occurring on the valve actuator due to the low temperature of the valve actuator.

根據技術方案4及9之本申請發明之閥絕熱構造,於閥箱之連接部與頸構件之間具備具有絕熱性之介裝構件,因此,流體之低溫不易從連接部向頸構件傳遞。因此,流體之低溫不易經由閥箱及頸構件向閥驅動部傳遞,能夠進行低溫之流體與閥驅動部之間之絕熱,能夠防止於閥驅動部產生結露。According to the valve insulation structure of the present invention of technical solutions 4 and 9, an insulating intermediate component is provided between the connection part of the valve box and the neck component, so that the low temperature of the fluid is not easily transmitted from the connection part to the neck component. Therefore, the low temperature of the fluid is not easily transmitted to the valve actuator through the valve box and the neck component, and the low temperature fluid and the valve actuator can be insulated, and condensation can be prevented from occurring on the valve actuator.

基於附圖對本申請發明之閥絕熱構造及蝶形閥(閥)之實施方式進行說明。於圖1及圖2中,符號10及11係本申請發明之閥絕熱構造,符號12係本申請發明之閥。以下,基於圖1及圖2對閥絕熱構造10、11及蝶形閥12進行說明。The implementation of the valve insulation structure and butterfly valve (valve) of the present invention is described based on the attached drawings. In Figures 1 and 2, symbols 10 and 11 are the valve insulation structure of the present invention, and symbol 12 is the valve of the present invention. The valve insulation structures 10, 11 and butterfly valve 12 are described below based on Figures 1 and 2.

(構成) (閥箱14) 蝶形閥12具備閥箱14,該閥箱14具有:筒狀部16;及突出部(連接部)18,其與筒狀部16連續而從筒狀部16突出,具有中空部76。閥箱14係利用螺栓20及螺帽22連結閥箱構成零件14(1)及14(2)而形成。閥箱14由鋁(純鋁或鋁合金)形成。閥箱14亦可由除了鋁以外之金屬形成。(Structure) (Valve box 14) The butterfly valve 12 has a valve box 14, which has: a cylindrical portion 16; and a protrusion (connecting portion) 18, which is continuous with the cylindrical portion 16 and protrudes from the cylindrical portion 16, and has a hollow portion 76. The valve box 14 is formed by connecting the valve box components 14 (1) and 14 (2) using bolts 20 and nuts 22. The valve box 14 is formed of aluminum (pure aluminum or aluminum alloy). The valve box 14 can also be formed of metal other than aluminum.

(座圈24及流路27) 蝶形閥12具備座圈24,該座圈24具有圓筒部26,圓筒部26嵌入閥箱14之筒狀部16內。座圈24由橡膠或樹脂形成。座圈24例如由EPDM(乙烯-丙烯橡膠)或NBR(丁腈橡膠)形成,亦可由其他橡膠或樹脂形成。座圈24於Y軸方向(流路方向)上具備夾持下述之絕熱構件58之兩個鼓出部25。座圈24具有供下述之閥體30抵接之座部28。座部28係從圓筒部26之內表面26I突出並為彎曲之帶狀。座部28之剖面形狀並無特別限定。圓筒部26之內側中空部構成流路27。(Seat ring 24 and flow path 27) The butterfly valve 12 has a seat ring 24, which has a cylindrical portion 26, and the cylindrical portion 26 is embedded in the cylindrical portion 16 of the valve box 14. The seat ring 24 is formed of rubber or resin. The seat ring 24 is formed of EPDM (ethylene-propylene rubber) or NBR (nitrile rubber), for example, and can also be formed of other rubbers or resins. The seat ring 24 has two bulges 25 in the Y-axis direction (flow path direction) for clamping the insulation member 58 described below. The seat ring 24 has a seat portion 28 for abutting the valve body 30 described below. The seat portion 28 is a curved strip protruding from the inner surface 26I of the cylindrical portion 26. The cross-sectional shape of the seat portion 28 is not particularly limited. The inner hollow portion of the cylindrical portion 26 constitutes a flow path 27 .

(閥體30) 蝶形閥12具備配置於座圈24之圓筒部26內之閥體30。閥體30係大致圓盤形狀或大致圓板形狀。閥體30由不鏽鋼形成。閥體30亦可由除了不鏽鋼以外之金屬形成。閥體30具備供插入下述之閥桿32而固定之固定穴34及供插入下述之輔助閥桿36而固定之固定穴38。(Valve body 30) The butterfly valve 12 has a valve body 30 disposed in the cylindrical portion 26 of the seat ring 24. The valve body 30 is roughly disc-shaped or roughly disk-shaped. The valve body 30 is formed of stainless steel. The valve body 30 may also be formed of a metal other than stainless steel. The valve body 30 has a fixing hole 34 for inserting and fixing a valve rod 32 described below and a fixing hole 38 for inserting and fixing an auxiliary valve rod 36 described below.

(頸構件40) 蝶形閥12具備頸構件40,該頸構件40具有:凸緣(固定部)42,其利用螺栓(未圖示)固定於閥驅動部46;及圓筒狀之連接部44,其與閥箱14之突出部18間接地連接。頸構件40由鋁形成,亦可由除了鋁以外之金屬形成。閥驅動部46具有用於旋轉驅動閥體30及下述之閥桿32之旋轉驅動機構、控制機構等。閥驅動部46使用桿式、齒輪式、缸式、電動式等公知之構件。連接部44隔著下述之介裝構件48由螺栓78固定於閥箱14之突出部18。凸緣42設置有存在低熱導率之空氣之空間43。其結果,空間43能夠提高凸緣42與閥驅動部46之間之絕熱效果。(Neck member 40) The butterfly valve 12 has a neck member 40, which has: a flange (fixing portion) 42, which is fixed to the valve drive portion 46 by bolts (not shown); and a cylindrical connecting portion 44, which is indirectly connected to the protrusion 18 of the valve box 14. The neck member 40 is formed of aluminum, and can also be formed of metal other than aluminum. The valve drive portion 46 has a rotation drive mechanism, a control mechanism, etc. for rotationally driving the valve body 30 and the valve rod 32 described below. The valve drive portion 46 uses a well-known member such as a rod type, a gear type, a cylinder type, and an electric type. The connecting portion 44 is fixed to the protruding portion 18 of the valve housing 14 by bolts 78 via the intermediary member 48 described below. The flange 42 is provided with a space 43 in which air having low thermal conductivity exists. As a result, the space 43 can improve the heat insulation effect between the flange 42 and the valve actuator 46.

(閥桿32) 蝶形閥12具備閥桿32,該閥桿32以能夠旋轉之方式貫通頸構件40、下述之介裝構件48、閥箱14、及座圈24,其貫通方向前端52固定於閥體30。閥桿32由不鏽鋼形成,亦可由除了不鏽鋼以外之金屬形成。閥桿32之貫通方向後端54固定於藉由旋轉驅動機構而旋轉之旋轉軸56。旋轉軸56、閥桿32及閥體30藉由閥驅動部46而一體地相對於閥箱14及座圈24等繞旋轉中心C1旋轉。閥桿32具有存在熱導率較低之空氣之中空部55。其目的在於,使閥桿32與旋轉軸56之間絕熱。(Valve stem 32) The butterfly valve 12 has a valve stem 32 which is rotatably passed through the neck member 40, the intermediate member 48 described below, the valve box 14, and the seat ring 24, and the front end 52 of the valve stem 32 in the passing direction is fixed to the valve body 30. The valve stem 32 is formed of stainless steel, and may also be formed of a metal other than stainless steel. The rear end 54 of the valve stem 32 in the passing direction is fixed to a rotating shaft 56 which rotates by a rotating drive mechanism. The rotating shaft 56, the valve stem 32, and the valve body 30 rotate integrally relative to the valve box 14 and the seat ring 24 around the rotation center C1 by the valve drive unit 46. The valve stem 32 has a hollow portion 55 in which air with low thermal conductivity exists. The purpose is to insulate the valve stem 32 from the rotating shaft 56.

(空間部70及絕熱構件58) 蝶形閥12具備設置於閥箱14之筒狀部16與座圈24之圓筒部26之間之大致環形狀之空間部70。蝶形閥12於筒狀部16與圓筒部26之間之空間部70內具備大致環形狀之絕熱構件58。絕熱構件58由具有絕熱性之樹脂形成,例如由POM(聚縮醛)形成,亦可由除了POM以外之具有絕熱性之樹脂形成。絕熱構件58被夾於閥箱14之筒狀部16與座圈24之圓筒部26之間,並被夾於座圈24之兩個鼓出部25之間。絕熱構件58係組合絕熱構件構成零件58(1)、58(2)、58(3)及58(4)而構成。絕熱構件構成零件58(1)、58(2)、58(3)及58(4)藉由順時針配置並組合,從而構成大致環形狀。即,絕熱構件58被呈放射狀分割成絕熱構件構成零件58(1)、58(2)、58(3)及58(4)此4個而構成。絕熱構件構成零件58(1)、58(2)、58(3)及58(4)分別具備:接觸板57,其與座圈24之圓筒部26接觸;複數個圓弧狀之鼓出部59,其等從接觸板57朝向閥箱14鼓出;及複數片散熱片61,其等與接觸板57及彼此相對之兩個鼓出部59連續。形成複數個由複數個鼓出部59中之彼此相對之兩個鼓出部59、複數片散熱片61中之彼此相對之兩片散熱片61包圍之空間(不存在構件)。能夠使該空間之各者存在熱導率較低之空氣。(Space 70 and Insulating Component 58) The butterfly valve 12 has a substantially annular space 70 disposed between the cylindrical portion 16 of the valve housing 14 and the cylindrical portion 26 of the seat ring 24. The butterfly valve 12 has a substantially annular insulating component 58 in the space 70 between the cylindrical portion 16 and the cylindrical portion 26. The insulating component 58 is formed of a resin having insulating properties, such as POM (polyacetal), or may be formed of a resin having insulating properties other than POM. The insulating component 58 is sandwiched between the cylindrical portion 16 of the valve housing 14 and the cylindrical portion 26 of the seat ring 24, and is sandwiched between the two bulges 25 of the seat ring 24. The heat insulating member 58 is formed by combining the heat insulating member components 58(1), 58(2), 58(3) and 58(4). The heat insulating member components 58(1), 58(2), 58(3) and 58(4) are arranged and combined in a clockwise direction to form a substantially annular shape. That is, the heat insulating member 58 is radially divided into the four heat insulating member components 58(1), 58(2), 58(3) and 58(4). The heat-insulating component components 58(1), 58(2), 58(3) and 58(4) respectively include: a contact plate 57, which contacts the cylindrical portion 26 of the seat ring 24; a plurality of arc-shaped bulges 59, which bulge from the contact plate 57 toward the valve box 14; and a plurality of heat sinks 61, which are continuous with the contact plate 57 and the two bulges 59 facing each other. A plurality of spaces (without components) are formed, which are surrounded by two bulges 59 facing each other among the plurality of bulges 59 and two heat sinks 61 facing each other among the plurality of heat sinks 61. Air with a relatively low thermal conductivity can be present in each of the spaces.

絕熱構件構成零件58(1)設置有供閥桿32插入之孔62。絕熱構件構成零件58(1)被夾於閥箱14之筒狀部16與座圈24之圓筒部26之間,閥桿32被插入至孔62,絕熱構件構成零件58(1)由座圈24之兩個鼓出部25夾持,從而限制絕熱構件構成零件58(1)相對於閥箱14等在XYZ方向上移動。絕熱構件構成零件58(3)設置有供下述之輔助閥桿36插入之洞64。再者,於本申請說明書中,將貫通者稱為「孔」,將不貫通而具有底面者稱為「洞」。絕熱構件構成零件58(3)中之洞64將輔助閥桿36能夠旋轉地保持。絕熱構件構成零件58(3)被夾於閥箱14之筒狀部16與座圈24之圓筒部26之間,輔助閥桿36被插入至洞64,絕熱構件構成零件58(3)由座圈24之兩個鼓出部25夾持,從而限制絕熱構件構成零件58(3)相對於閥箱14等在XYZ方向上移動。The insulating component component 58 (1) is provided with a hole 62 for inserting the valve stem 32. The insulating component component 58 (1) is clamped between the cylindrical portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24, and the valve stem 32 is inserted into the hole 62. The insulating component component 58 (1) is clamped by the two bulges 25 of the seat ring 24, thereby limiting the movement of the insulating component component 58 (1) relative to the valve box 14 in the XYZ direction. The insulating component component 58 (3) is provided with a hole 64 for inserting the auxiliary valve stem 36 described below. Furthermore, in this application specification, a through hole is referred to as a "hole", and a non-through hole having a bottom surface is referred to as a "hole". The hole 64 in the insulating component component 58 (3) holds the auxiliary valve stem 36 rotatably. The insulating component component 58 (3) is sandwiched between the cylindrical portion 16 of the valve housing 14 and the cylindrical portion 26 of the seat ring 24. The auxiliary valve stem 36 is inserted into the hole 64, and the insulating component component 58 (3) is sandwiched by the two bulging portions 25 of the seat ring 24, thereby limiting the movement of the insulating component component 58 (3) relative to the valve housing 14 in the XYZ directions.

絕熱構件構成零件58(2)及58(4)分別被夾於絕熱構件構成零件58(1)與絕熱構件構成零件58(3)之間。絕熱構件構成零件58(2)及58(4)被夾於閥箱14之筒狀部16與座圈24之圓筒部26之間,並由座圈24之兩個鼓出部25夾持,被夾於絕熱構件構成零件58(1)與絕熱構件構成零件58(3)之間,從而限制絕熱構件構成零件58(2)及58(4)相對於閥箱14等在XYZ方向上移動。因此,能夠設為如下狀態,即,預先將絕熱構件構成零件58(1)安裝於座圈24之圓筒部26並將絕熱構件構成零件58(3)安裝於圓筒部26加以保持,並將絕熱構件構成零件58(2)及58(4)夾於絕熱構件構成零件58(1)與絕熱構件構成零件58(3)之間。於該狀態下,只要以包入絕熱構件構成零件58(1)、58(2)、58(3)及58(4)之方式組合閥箱構成零件14(1)及14(2),則絕熱構件58整體向座圈24等之安裝變得容易。The insulating member components 58(2) and 58(4) are respectively sandwiched between the insulating member components 58(1) and the insulating member components 58(3). The insulating member components 58(2) and 58(4) are sandwiched between the cylindrical portion 16 of the valve housing 14 and the cylindrical portion 26 of the seat ring 24, and are held by the two bulges 25 of the seat ring 24, and are sandwiched between the insulating member components 58(1) and the insulating member components 58(3), thereby limiting the movement of the insulating member components 58(2) and 58(4) relative to the valve housing 14 in the XYZ directions. Therefore, the following state can be set, that is, the heat insulating member component 58 (1) is mounted on the cylindrical portion 26 of the seat ring 24 in advance, and the heat insulating member component 58 (3) is mounted on the cylindrical portion 26 to be retained, and the heat insulating member components 58 (2) and 58 (4) are sandwiched between the heat insulating member component 58 (1) and the heat insulating member component 58 (3). In this state, as long as the valve casing components 14 (1) and 14 (2) are assembled in a manner to include the heat insulating member components 58 (1), 58 (2), 58 (3) and 58 (4), it becomes easy to mount the entire heat insulating member 58 to the seat ring 24, etc.

(介裝構件48) 蝶形閥12具備被介裝於閥箱14之突出部18與頸構件40之連接部44之間之介裝構件48。介裝構件48由具有絕熱性之樹脂形成。介裝構件48例如由POM(聚縮醛)形成,亦可由除了POM以外之具有絕熱性之樹脂形成。介裝構件48具備被突出部18與連接部44夾持之被夾持部66及供閥桿32插入並被插入至突出部18之中空部76之筒狀部68。藉由利用螺栓78固定突出部18及連接部44,從而使介裝構件48之被夾持部66被夾持於突出部18與連接部44之間而得到固定。(Intermediate member 48) The butterfly valve 12 has an intermediate member 48 that is interposed between the protrusion 18 of the valve box 14 and the connecting portion 44 of the neck member 40. The intermediate member 48 is formed of a heat-insulating resin. The intermediate member 48 is formed of, for example, POM (polyacetal), and may also be formed of a heat-insulating resin other than POM. The intermediate member 48 has a clamped portion 66 that is clamped by the protrusion 18 and the connecting portion 44, and a cylindrical portion 68 that is inserted into the hollow portion 76 of the protrusion 18 for the valve stem 32 to be inserted. By fixing the protrusion 18 and the connecting portion 44 with a bolt 78, the clamped portion 66 of the intermediate member 48 is clamped between the protrusion 18 and the connecting portion 44 and fixed.

(輔助閥桿36) 蝶形閥12具備輔助閥桿36,該輔助閥桿36從與閥桿32相反之方向以能夠旋轉之方式貫通座圈24,其貫通方向前端80固定於閥體30。輔助閥桿36由不鏽鋼形成,亦可由除了不鏽鋼以外之金屬形成。輔助閥桿36插入至絕熱構件構成零件58(3)之洞64,被洞64之內周壁及底面74能夠旋轉地保持。(Auxiliary valve rod 36) The butterfly valve 12 has an auxiliary valve rod 36 which penetrates the seat ring 24 in a rotatable manner from the direction opposite to the valve rod 32, and its front end 80 in the penetration direction is fixed to the valve body 30. The auxiliary valve rod 36 is formed of stainless steel, and may also be formed of a metal other than stainless steel. The auxiliary valve rod 36 is inserted into the hole 64 of the heat-insulating component component 58 (3), and is rotatably held by the inner peripheral wall and bottom surface 74 of the hole 64.

(閥絕熱構造10及11) 閥絕熱構造10構成蝶形閥12,由閥箱14、座圈24、空間部70及絕熱構件58構成。閥絕熱構造11構成蝶形閥12,由閥箱14、頸構件40及介裝構件48構成。(Valve insulation structure 10 and 11) The valve insulation structure 10 constitutes the butterfly valve 12, which is composed of the valve box 14, the seat ring 24, the space portion 70 and the insulation member 58. The valve insulation structure 11 constitutes the butterfly valve 12, which is composed of the valve box 14, the neck member 40 and the medium member 48.

(作用及效果) 以下說明於本申請發明之蝶形閥12之流路27流動之流體與閥驅動部46之間之絕熱之作用及效果。於蝶形閥12之情形時,低溫之流體流動於流路27,從而流過流路27之流體之低溫向流體之接觸面積大之座圈24之圓筒部26傳遞(熱從高溫側之圓筒部26向低溫側之流體移動)。藉此,低溫向圓筒部26之外周面傳遞。(Function and Effect) The following describes the heat insulation function and effect between the fluid flowing in the flow path 27 of the butterfly valve 12 of the present invention and the valve drive part 46. In the case of the butterfly valve 12, the low-temperature fluid flows in the flow path 27, and the low temperature of the fluid flowing through the flow path 27 is transferred to the cylindrical part 26 of the seat ring 24 with a large contact area of the fluid (heat moves from the cylindrical part 26 on the high-temperature side to the fluid on the low-temperature side). In this way, the low temperature is transferred to the outer peripheral surface of the cylindrical part 26.

於此,於閥箱14之筒狀部16與座圈24之圓筒部26之間存在空間部70。空間部70內之空氣之熱導率低,因此,圓筒部26之外周面之低溫不易經由空間部70向筒狀部16傳遞(熱不易從高溫側之筒狀部16向低溫側之圓筒部26移動)。又,於空間部70內,更低溫之空氣沿著圓筒部26之外周面與絕熱構件58之間隙向下部移動,更高溫之空氣向接近閥箱14之上部之突出部18之上部移動。因此,低溫不易向突出部18傳遞,並不易向接近突出部18之頸構件40傳遞(於突出部18與頸構件40之間存在介裝構件48,介裝構件48之作用及效果將於之後敍述)。藉此,低溫不易向頸構件40之凸緣42傳遞,並不易向與凸緣42相接之閥驅動部46傳遞。進而,為了提高凸緣42與閥驅動部46之間之絕熱效果,凸緣42設置有存在低熱導率之空氣之空間43。因此,於閥驅動部46位於蝶形閥12之上之情形時,低溫不會從凸緣42向閥驅動部46傳遞(熱不會從高溫側之閥驅動部46向低溫側之凸緣42移動)。根據本申請發明,利用如上所述之作用,能夠進行低溫之流體與閥驅動部46之間之絕熱,能夠防止閥驅動部46成為低溫而於閥驅動部46產生結露。Here, there is a space 70 between the cylindrical portion 16 of the valve housing 14 and the cylindrical portion 26 of the seat ring 24. The thermal conductivity of the air in the space 70 is low, so the low temperature of the outer circumference of the cylindrical portion 26 is not easily transferred to the cylindrical portion 16 through the space 70 (heat is not easily transferred from the cylindrical portion 16 on the high temperature side to the cylindrical portion 26 on the low temperature side). In addition, in the space 70, the air with a lower temperature moves to the lower part along the gap between the outer circumference of the cylindrical portion 26 and the insulation member 58, and the air with a higher temperature moves to the upper part of the protrusion 18 close to the upper part of the valve housing 14. Therefore, low temperature is not easily transmitted to the protrusion 18, and is not easily transmitted to the neck member 40 close to the protrusion 18 (there is an intermediate member 48 between the protrusion 18 and the neck member 40, and the function and effect of the intermediate member 48 will be described later). Thereby, low temperature is not easily transmitted to the flange 42 of the neck member 40, and is not easily transmitted to the valve actuator 46 connected to the flange 42. Furthermore, in order to improve the heat insulation effect between the flange 42 and the valve actuator 46, the flange 42 is provided with a space 43 containing air with low thermal conductivity. Therefore, when the valve actuator 46 is located above the butterfly valve 12, low temperature will not be transferred from the flange 42 to the valve actuator 46 (heat will not move from the high-temperature side of the valve actuator 46 to the low-temperature side of the flange 42). According to the present invention, the low-temperature fluid and the valve actuator 46 can be insulated by the above-mentioned action, and the valve actuator 46 can be prevented from becoming low temperature and condensation can be generated on the valve actuator 46.

又,根據本申請發明,能夠進行低溫之流體與閥驅動部46之間之絕熱,因此,無需為了於低溫之流體與閥驅動部46之間進行絕熱而由熱導率低之不鏽鋼形成蝶形閥。因此,能夠由與高價且高重量之不鏽鋼不同之鋁等形成蝶形閥。因此,能夠降低蝶形閥之成本,製造變得容易。Furthermore, according to the present invention, it is possible to insulate the low-temperature fluid from the valve actuator 46, so it is not necessary to form the butterfly valve from stainless steel having low thermal conductivity in order to insulate the low-temperature fluid from the valve actuator 46. Therefore, the butterfly valve can be formed from aluminum or the like, which is different from expensive and heavy stainless steel. Therefore, the cost of the butterfly valve can be reduced, and manufacturing becomes easy.

又,於閥箱14之筒狀部16與座圈24之圓筒部26之間之空間部70具備絕熱構件58,因此,於空間部70內存在熱導率低之空氣層及熱導率低之絕熱構件層此兩層。藉此,圓筒部26之外周面之低溫更不易經由閥箱14向閥驅動部46傳遞。又,由於不同物體之間之熱傳遞導致之熱損失,圓筒部26之外周面之低溫更不易經由閥箱14向閥驅動部46傳遞。藉此,顯著地產生進行流路27之低溫流體與閥驅動部46之間之絕熱此種上述本申請發明之效果。Furthermore, the space portion 70 between the cylindrical portion 16 of the valve box 14 and the cylindrical portion 26 of the seat ring 24 is provided with an insulating member 58, so that two layers of an air layer with low thermal conductivity and an insulating member layer with low thermal conductivity exist in the space portion 70. As a result, the low temperature of the outer circumference of the cylindrical portion 26 is less likely to be transmitted to the valve drive portion 46 through the valve box 14. Furthermore, due to heat loss caused by heat transfer between different objects, the low temperature of the outer circumference of the cylindrical portion 26 is less likely to be transmitted to the valve drive portion 46 through the valve box 14. As a result, the effect of the above-mentioned invention of the present application, that is, insulation between the low-temperature fluid in the flow path 27 and the valve drive portion 46, is significantly produced.

又,根據本申請發明,於閥箱14之突出部18與頸構件40之連接部44之間具備具有絕熱性之介裝構件48,因此,低溫更不易從突出部18向連接部44傳遞。又,由於不同物體間之熱傳遞導致之熱損失,低溫更不易從突出部18向連接部44傳遞。因此,流路27之低溫更不易經由閥箱14及頸構件40向閥驅動部46傳遞,會更顯著地產生進行流路27之低溫流體與閥驅動部46之間之絕熱此種本申請發明之效果。又,根據本申請發明,由於空間部70、絕熱構件58及介裝構件48之協同效應,進一步顯著地產生進行流路27之低溫流體與閥驅動部46之間之絕熱此種本申請發明之效果。Furthermore, according to the present invention, a heat-insulating interlayer member 48 is provided between the protruding portion 18 of the valve box 14 and the connecting portion 44 of the neck member 40, so that low temperature is less likely to be transmitted from the protruding portion 18 to the connecting portion 44. Furthermore, due to heat loss caused by heat transfer between different objects, low temperature is less likely to be transmitted from the protruding portion 18 to the connecting portion 44. Therefore, the low temperature of the flow path 27 is less likely to be transmitted to the valve drive portion 46 via the valve box 14 and the neck member 40, and the effect of the present invention of heat insulation between the low-temperature fluid in the flow path 27 and the valve drive portion 46 is more significantly produced. Furthermore, according to the present invention, due to the synergistic effect of the space portion 70, the insulating member 58 and the intermediate member 48, the effect of the present invention of insulating the low-temperature fluid in the flow path 27 and the valve drive portion 46 is further significantly produced.

再者,閥桿32具有存在熱導率較低之空氣之中空部55,該閥桿32較長且截面積較小,因此,流路27之流體之低溫幾乎不從閥體30經由閥桿32向閥驅動部46傳遞。又,經由閥體30傳遞至輔助閥桿36之低溫被絕熱構件構成零件58(3)之洞64之附近部分阻斷,不會向閥箱14傳遞,從閥體30傳遞至輔助閥桿36之低溫不會經由閥箱14等向閥驅動部46傳遞。Furthermore, the valve stem 32 has a hollow portion 55 in which air with a relatively low thermal conductivity exists, and the valve stem 32 is relatively long and has a relatively small cross-sectional area. Therefore, the low temperature of the fluid in the flow path 27 is hardly transmitted from the valve body 30 to the valve actuator 46 via the valve stem 32. In addition, the low temperature transmitted from the valve body 30 to the auxiliary valve stem 36 is blocked by the vicinity of the hole 64 of the heat insulating member component 58 (3) and is not transmitted to the valve housing 14. The low temperature transmitted from the valve body 30 to the auxiliary valve stem 36 is not transmitted to the valve actuator 46 via the valve housing 14 and the like.

以上,對本申請發明之實施方式進行了說明,但本申請發明並不限定於上述之實施方式,能夠於產生相同之作用及效果之範圍內適當施加變更而實施。例如,本申請發明之閥並不限定於蝶形閥,只要係使用低溫流體之閥,則閥之種類並不限定。又,於本申請發明之蝶形閥中包含單軸偏心、雙軸偏心及三軸偏心之蝶形閥。又,構成本申請發明之絕熱構件並不限定於被分割成4個而構成之情況,既可一體地構成,亦可被分割成2個、3個或5個以上而構成。The above is an explanation of the implementation method of the present invention, but the present invention is not limited to the above implementation method, and can be implemented with appropriate changes within the scope of producing the same action and effect. For example, the valve of the present invention is not limited to a butterfly valve, and the type of valve is not limited as long as it is a valve that uses a low-temperature fluid. In addition, the butterfly valve of the present invention includes single-axis eccentric, double-axis eccentric, and three-axis eccentric butterfly valves. In addition, the insulating component constituting the present invention is not limited to being divided into four parts, and can be integrally constructed or divided into two, three, or five or more parts.

10,11:閥絕熱構造 12:蝶形閥(閥) 14:閥箱 14(1),14(2):閥箱構成零件 16:筒狀部 18:突出部(連接部) 20:螺栓 22:螺帽 24:座圈 25:鼓出部 26:圓筒部 26I:內表面 27:流路 28:座部 30:閥體 32:閥桿 34:固定穴 36:輔助閥桿 38:固定穴 40:頸構件 42:凸緣(固定部) 43:空間 44:連接部 46:閥驅動部 48:介裝構件 52:貫通方向前端 54:貫通方向後端 55:中空部 56:旋轉軸 57:接觸板 58:絕熱構件 58(1),58(2),58(3),58(4):絕熱構件構成零件 59:鼓出部 61:散熱片 62:孔 64:洞 66:被夾持部 68:筒狀部 70:空間部 74:底面 76:中空部 78:螺栓 80:貫通方向前端 100:蝶形閥 102:流路 103:筒狀部 104:閥箱 105:突出部 106:閥桿 108:閥體 109:圓筒部 110:座圈 112:頸構件 114:座部 116:筒狀部 118:凸緣 C0:旋轉中心 C1:旋轉中心10,11: Valve insulation structure 12: Butterfly valve (valve) 14: Valve box 14(1),14(2): Valve box components 16: Cylindrical part 18: Protrusion (connecting part) 20: Bolt 22: Nut 24: Seat ring 25: Protrusion 26: Cylindrical part 26I: Inner surface 27: Flow path 28: Seat 30: Valve body 32: Valve stem 34: Fixed hole 36: Auxiliary valve stem 38: Fixed hole 40: Neck member 42: Flange (fixed part) 43: Space 44: Connection part 46: Valve drive part 48: Intermediary member 52: Front end of through-flow direction 54: Rear end of through-flow direction 55: Hollow part 56: Rotating shaft 5 7: Contact plate 58: Insulation component 58(1),58(2),58(3),58(4): Insulation component components 59: Protrusion 61: Heat sink 62: Hole 64: Hole 66: Clamped portion 68: Cylindrical portion 70: Space portion 74: Bottom surface 76: Hollow portion 78: Bolt 80: Through Front end of direction 100: butterfly valve 102: flow path 103: cylindrical part 104: valve box 105: protrusion 106: valve stem 108: valve body 109: cylindrical part 110: seat ring 112: neck member 114: seat part 116: cylindrical part 118: flange C0: rotation center C1: rotation center

圖1係表示本申請發明之閥絕熱構造及閥之前視剖視圖。 圖2係表示裝配圖1所示之閥之狀態之立體圖。 圖3係表示先前之閥之立體圖。FIG1 shows the valve insulation structure and the front cross-sectional view of the valve of the present invention. FIG2 shows a three-dimensional view of the valve shown in FIG1 after assembly. FIG3 shows a three-dimensional view of the previous valve.

10,11:閥絕熱構造 10,11: Valve insulation structure

12:蝶形閥 12: Butterfly valve

14:閥箱 14: Valve box

14(1),14(2):閥箱構成零機構 14(1),14(2): Valve box constitutes zero mechanism

16:筒狀部 16: Cylindrical part

18:突出部(連接部) 18: Protrusion (connecting part)

20:螺栓 20: Bolts

22:螺帽 22: Nut

24:座圈 24: Seat ring

26:圓筒部 26: Cylindrical part

26I:內表面 26I: Inner surface

27:流路 27: Flow path

28:座部 28: Seat

30:閥體 30: Valve body

32:閥桿 32: Valve stem

34:固定穴 34: Fixed hole

36:輔助閥桿 36: Auxiliary valve stem

38:固定穴 38: Fixed point

40:頸構件 40: Neck component

42:凸緣(固定部) 42: Flange (fixed part)

43:空間 43: Space

44:連接部 44: Connection part

46:閥驅動部 46: Valve drive unit

48:介裝構件 48: Intermediary components

52:貫通方向前端 52: Front end of the through direction

54:貫通方向後端 54: Rear end of through direction

55:中空部 55: Hollow part

56:旋轉軸 56: Rotation axis

57:接觸板 57: Contact plate

58:絕熱構件 58: Insulation components

58(1),58(2),58(3),58(4):絕熱構件構成零件 58(1),58(2),58(3),58(4): Insulation component parts

59:鼓出部 59: bulge

61:散熱片 61: Heat sink

62:孔 62: Hole

64:洞 64: Hole

66:被夾持部 66: Clamped part

68:筒狀部 68: Cylindrical part

70:空間部 70: Space Department

74:底面 74: Bottom

76:中空部 76: Hollow part

78:螺栓 78: Bolts

80:貫通方向前端 80: Front end of the through direction

C1:旋轉中心 C1: Rotation center

Claims (6)

一種閥絕熱構造,其特徵在於,其係閥之閥絕熱構造,該閥具備:閥箱,其具有筒狀部;座圈,其具備圓筒部,該圓筒部配置於上述閥箱之筒狀部內;及閥體,其配置於上述座圈之圓筒部內;且使上述座圈之圓筒部之外徑尺寸小於上述閥箱之筒狀部之內徑尺寸,上述座圈之圓筒部之外周面與上述閥箱之筒狀部之內周面之間相隔,上述閥絕熱構造具備大致環形狀之空間部,該空間部係藉由上述圓筒部之外周面與上述筒狀部之內周面而形成於上述座圈之圓筒部之外周面與自該外周面隔開之上述閥箱之筒狀部之內周面之間;於上述空間部內進而具備大致環形狀之絕熱構件,該絕熱構件係與上述閥箱及上述座圈不同之構件,上述絕熱構件構成為,於上述座圈之圓筒部之外周面與上述閥箱之筒狀部之內周面之間相對於半徑方向被按壓夾持。 A valve heat-insulating structure is characterized in that it is a valve heat-insulating structure of a valve, and the valve comprises: a valve box having a cylindrical portion; a seat ring having a cylindrical portion, and the cylindrical portion is arranged in the cylindrical portion of the valve box; and a valve body, which is arranged in the cylindrical portion of the seat ring; and the outer diameter of the cylindrical portion of the seat ring is smaller than the inner diameter of the cylindrical portion of the valve box, and the outer peripheral surface of the cylindrical portion of the seat ring is spaced from the inner peripheral surface of the cylindrical portion of the valve box, and the valve heat-insulating structure has a substantially annular space portion. The space is formed between the outer circumference of the cylindrical portion of the seat ring and the inner circumference of the cylindrical portion of the valve box separated from the outer circumference by the outer circumference of the cylindrical portion and the inner circumference of the cylindrical portion; a substantially annular heat-insulating member is provided in the space, and the heat-insulating member is a member different from the valve box and the seat ring, and the heat-insulating member is configured to be pressed and clamped relative to the radial direction between the outer circumference of the cylindrical portion of the seat ring and the inner circumference of the cylindrical portion of the valve box. 如請求項1之閥絕熱構造,其中上述絕熱構件被呈放射狀分割成複數個而構成。 As in the valve insulation structure of claim 1, the insulation component is radially divided into a plurality of parts. 如請求項1或2之閥絕熱構造,其中上述閥箱進而具有與該筒狀部連續之連接部,上述閥進而具備:頸構件,其具有固定於閥驅動部之固定部、及與上述閥箱之連接部直接地或間接地連接之連接部;及閥桿,其以 能夠旋轉之方式貫通上述頸構件、上述閥箱之上述連接部、及上述座圈,其貫通方向前端固定於上述閥體;上述閥絕熱構造進而具備具有絕熱性之介裝構件,該介裝構件介裝於上述閥箱之上述連接部與上述頸構件之間。 In the valve insulation structure of claim 1 or 2, the valve box further has a connection portion connected to the cylindrical portion, and the valve further has: a neck member having a fixed portion fixed to the valve driving portion and a connection portion directly or indirectly connected to the connection portion of the valve box; and a valve stem which penetrates the neck member, the connection portion of the valve box, and the seat ring in a rotatable manner, and the front end of the penetration direction is fixed to the valve body; the valve insulation structure further has an insulating intermediate member, which is inserted between the connection portion of the valve box and the neck member. 一種閥,其具備:如請求項1至3中任一項之閥絕熱構造、上述閥箱、上述座圈、及上述閥體。 A valve having: a valve insulation structure as in any one of claims 1 to 3, the valve box, the seat ring, and the valve body. 一種閥,其具備:如請求項3之閥絕熱構造、上述閥箱、上述座圈、上述閥體、上述頸構件、及上述閥桿。 A valve, comprising: the valve insulation structure as in claim 3, the valve box, the seat ring, the valve body, the neck member, and the valve stem. 如請求項5之閥,其具備輔助閥桿,該輔助閥桿從與上述閥桿相反之方向以能夠旋轉之方式貫通上述座圈,其貫通方向前端固定於上述閥體,上述絕熱構件構成為將上述輔助閥桿能夠旋轉地保持。 The valve of claim 5 is provided with an auxiliary valve rod, which passes through the seat ring in a rotatable manner in the opposite direction to the valve rod, and its front end in the passing direction is fixed to the valve body, and the heat insulating component is configured to hold the auxiliary valve rod rotatably.
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