JPH02229634A - Manufacture of valve - Google Patents
Manufacture of valveInfo
- Publication number
- JPH02229634A JPH02229634A JP4661189A JP4661189A JPH02229634A JP H02229634 A JPH02229634 A JP H02229634A JP 4661189 A JP4661189 A JP 4661189A JP 4661189 A JP4661189 A JP 4661189A JP H02229634 A JPH02229634 A JP H02229634A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- bonnet
- valve stem
- tube
- valve body
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は２バルブの製造方法に関し，より具体的には管
材をプレス加工して弁本体部及びボンネット部を一体的
に成形するバルプの製造方法に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a method for manufacturing a two-valve, and more specifically to manufacturing a valve in which a valve body and a bonnet are integrally formed by press working a pipe material. Regarding the method.
（従来の技術）
流体制御用のバルブの製造方法としては．従来より，金
属素材を鋳造・鍛造・削り出し等によって本体部及びボ
ンネット部を一体的に成形加工し，その内部に弁体を格
納した後，弁棒をボンネット部より挿入して弁体に結合
させ．シール部材や弁棒押さえ．弁レバー等をボンネッ
ト部に挿設し．ボルト締め等の手段によって上記各部品
の固定及び弁棒の抜け防止を行う方法が普通に行われて
いた。(Prior art) As a method of manufacturing valves for fluid control. Traditionally, the main body and bonnet parts are integrally formed by casting, forging, cutting, etc. from a metal material, the valve body is stored inside the body, and then the valve stem is inserted through the bonnet part and connected to the valve body. Let me. Seal members and valve stem holders. Insert the valve lever etc. into the bonnet. It has been common practice to fix the above-mentioned parts and prevent the valve stem from coming off by means such as bolt tightening.
しかし，これらの製造方法の場合には．いずれもそのバ
ルプケースの仕上がりに切削加工等の複雑な工程が必要
であり．またボンネット部のシールや弁棒の固定・抜け
防止のためにも多くの部品と手間のかかる作業を要する
ため．その分，量産性に欠け製造コストも高くなるとい
う欠点があった．更に，鋳造・鍛造の場合には一定の強
度を確保するために必然的に肉厚が大きくなり，その結
果最終製品の重量も大きくなってしまい，取り扱い上不
便であった．また，削り出しの場合には多くの削り屑が
発生し，それがさらにコストアップの原因となっていた
．
これに対し．市販の各種金属管材を弁本体部の素材とし
てそのまま使用するバルプの製造方法が種々提案されて
おり，その一例として特開昭６２−１６５０８１号公報
記載の技術を挙げることが出来る。However, in the case of these manufacturing methods. In both cases, complicated processes such as cutting are required to finish the bulb case. Additionally, many parts and labor-intensive work are required to seal the bonnet and secure and prevent the valve stem from falling out. However, the drawback was that it was not mass-producible and the manufacturing cost was high. Furthermore, in the case of casting and forging, the wall thickness inevitably increases to ensure a certain level of strength, which results in an increase in the weight of the final product, making it inconvenient to handle. Additionally, when machining, a lot of shavings were generated, which further increased costs. In contrast to this. Various methods have been proposed for manufacturing valves in which commercially available metal pipe materials are used as raw materials for the valve body, and one example is the technique described in Japanese Patent Application Laid-open No. 165081/1981.
これは第７図に示すように．所定寸法の市販管材１００
に予め弁棒挿通用の孔１０２を穿設しておき９更に管の
一方端の外周面をカシメてに内部に突出した位置決め用
突起１０４を複数個の設けておく．そして管の他方端よ
り弁体１０６等を挿入し管の１００の他方端をカシメる
ことによって弁体１０６等を管内部に挟持し，更に上記
孔１０２より弁棒１０８を挿入して弁体と結合した後に
シール部材１１０．弁レバー１１２を弁棒１０８に挿通
し．ボルト１１４の締め付けによってこれら部品（１１
０，１１２）の固定や弁棒１０８の抜け防止を行うもの
である．
（発明が解決しようとする課Ｂ）
これによるならば，確かに簡易な製造工程で軽量且つ安
価なバルブを大量に製造出来る。しかしながら，これは
弁本体部のみが管材によって形成されるものであるため
，前述の如くボンネット部を省略して直接弁本体部にシ
ール部材や弁レバー等をボルト締めしなければならない
．従って，上記各部品が常に外気に曝されるために腐食
や鯖等が生じ易く，耐久性の点で問題があった．また，
美観上も余り好ましいものではない．これらの問題点を
回避するために、ボンネツト部を別個製造して本体部に
接合することも考えられるが．それでは製造工程数及び
部品数を減らして量産性を向上させるという所期の目的
に反するものとなる．本発明は上記のような従来の問題
点を解決せんとするものであり，市販の管材を用いてバ
ルブ本体部のみならずボンネット部までも一体的に成形
すると共に，簡易な工程でボンネット部内のシール部材
の固定や弁棒の抜け防止が可能となるバルプの製造方法
を提供することを目的とする．（課題を解決するための
手段）
配管用の市販管から弁部を構成するに必要長さの短管を
切出し，この短管をバルブケースとすると共にこの中に
弁体を装着してバルプを構成するバルプの製造法におい
て，本発明は，該短管をプレス成形することによって短
管の外周面から管軸と直交する方向に突出した円筒状ボ
ンネット部を一体的に形成し．該短管の開口端から短管
内部に弁体を格納し，前記ボンネット部の上部開口から
段蔀を有する弁棒を挿入してその下端部を前記弁体に結
合させると共に．弁棒通し孔を有するグランドフランジ
を，その底面が前記弁棒段部に当接するよう前記弁棒の
上端部から挿通せしめてボンネット部の上部開口に嵌装
し，そのさい，．前記グランドフランジに凹部を形成し
ておき．ボンネット部の外側から該凹部に対応する部分
をカシメることによってグランドフランジとボンネット
部とを係合させることを特徴とする。This is shown in Figure 7. Commercially available pipe material 100 with specified dimensions
A hole 102 for inserting the valve stem is pre-drilled in the tube 9, and a plurality of positioning protrusions 104 protruding inward are provided by caulking the outer peripheral surface of one end of the tube. Then, insert the valve body 106 etc. from the other end of the pipe and swage the other end of the pipe 100 to hold the valve body 106 etc. inside the pipe, and then insert the valve stem 108 through the hole 102 to form the valve body. After joining, the sealing member 110. Insert the valve lever 112 into the valve stem 108. These parts (11
0,112) and prevents the valve stem 108 from coming off. (Problem B to be solved by the invention) According to this, it is certainly possible to mass-produce lightweight and inexpensive valves with a simple manufacturing process. However, in this case, only the valve body is formed of pipe material, so as mentioned above, the bonnet part must be omitted and sealing members, valve levers, etc. must be bolted directly to the valve body. Therefore, each of the above-mentioned parts is constantly exposed to the outside air, making them prone to corrosion and corrosion, which poses problems in terms of durability. Also,
It is not very aesthetically pleasing either. In order to avoid these problems, it may be possible to manufacture the bonnet separately and join it to the main body. This would go against the original purpose of improving mass productivity by reducing the number of manufacturing processes and parts. The present invention aims to solve the above-mentioned conventional problems, and uses commercially available pipe materials to integrally mold not only the valve body but also the bonnet part, and also to mold the inside of the bonnet part with a simple process. The purpose of this invention is to provide a method for manufacturing a valve that can fix the sealing member and prevent the valve stem from coming off. (Means for solving the problem) Cut a short pipe of the length necessary to construct the valve part from a commercially available pipe, use this short pipe as a valve case, and install a valve body inside it to form the valve. In the manufacturing method of the bulb, the present invention integrally forms a cylindrical bonnet portion protruding from the outer peripheral surface of the short tube in a direction perpendicular to the tube axis by press-molding the short tube. A valve body is housed inside the short pipe from the open end of the short pipe, and a valve stem having a stepped shoulder is inserted from the upper opening of the bonnet portion, and its lower end is coupled to the valve body. A gland flange having a valve stem passage hole is inserted from the upper end of the valve stem so that its bottom surface contacts the stepped part of the valve stem, and the gland flange is fitted into the upper opening of the bonnet. A recess is formed in the gland flange. It is characterized in that the ground flange and the bonnet part are engaged by caulking a portion corresponding to the recessed part from the outside of the bonnet part.
（作 用）
上記の如くバルブ本体部及びボンネット部を市販の管材
を用いて一体的に成形するので．簡易な製造工程で軽量
且つ安価なバルプを量産出来，且つシール部材や弁棒の
部品をボンネット部内部に収納出来るので耐久性が向上
すると共に美観上の要請をも満足出来る。また、ボンネ
ツト部内のシール部材の固定や弁棒の抜け防止も．少な
い部品数及び簿易な工程でなされるため，量産性が更に
向上する。(Function) As mentioned above, the valve body and bonnet are integrally molded using commercially available pipe materials. Lightweight and inexpensive valves can be mass-produced through a simple manufacturing process, and the sealing member and valve stem parts can be stored inside the bonnet, improving durability and satisfying aesthetic requirements. It also fixes the sealing member inside the bonnet and prevents the valve stem from coming off. Mass production is further improved as the number of parts is reduced and the process is easy to manage.
（実施例） 以下に，本発明を図示の実施例にもとづいて説明する。(Example) The present invention will be explained below based on illustrated embodiments.
本発明に係るバルブの製造方法は．先ず第１図（ａ）〜
（ｃ）に示すように．バルブケースを作成することによ
り始まる．即ち．第１図（ａ）に示すように．バルプケ
ースを作るに必要な長さだけ市販管から切り出した短管
１０をバルブ本体部１２の素材として用いる．そして，
この短管ｌＯをプレス成形することにより、ボンネツト
部１４を本体部１２の外周面上に該本体部１２と一体的
に成形する．第１図（ｂ）に示すように．上記ボンネッ
ト部１４は略円柱形状を呈しており，本体部１２の長手
方向の中央部外周面上にその軸線に直交する如く成形さ
れている。ボンネット部１４のプレス成形方法の一例と
しては，第２図（ａ） ， （ｂ）に示すように，短管
１０の外周面に対応する曲面１６及びボンネット部１４
の外側形状に対応する凹部１８を有するダイス２０の上
に短管１０をセットし，短管１０の内部にボンネット部
１４の内側形状に対応する凸形状を有するポンチ２２を
所定の方法で設置し，該ポンチ２０に圧力を加える （
同図（Ｃ） ， （ｄ） ） ことによって行なう。The method for manufacturing the valve according to the present invention is as follows. First, Figure 1(a)~
As shown in (c). Start by creating the valve case. That is. As shown in Figure 1(a). A short tube 10 cut from a commercially available tube to the length necessary to make the valve case is used as the material for the valve body 12. and,
By press-molding this short tube 1O, the bonnet part 14 is formed integrally with the main body part 12 on the outer peripheral surface of the main body part 12. As shown in Figure 1(b). The bonnet section 14 has a substantially cylindrical shape and is formed on the outer peripheral surface of the central portion of the main body section 12 in the longitudinal direction so as to be perpendicular to its axis. As an example of a press-forming method for the bonnet part 14, as shown in FIGS.
A short tube 10 is set on a die 20 having a concave portion 18 corresponding to the outer shape of the bonnet portion 14, and a punch 22 having a convex shape corresponding to the inner shape of the bonnet portion 14 is installed inside the short tube 10 in a predetermined manner. , apply pressure to the punch 20 (
This is done by (C) and (d) in the same figure.
尚，符号２４は皺押さえである。勿論，短管１０から本
体部１２とボンネット部１４とが一体的に成形出来るも
のであれば，これ以外の方法で成形しても良いことは云
うまでもない。而して．上記の如く短管１０から本体部
１２及びボンネット部１４を一体成形されるが．円柱形
状のボンネット１４の上端部が不整であれば，その部分
を水平に切断または研削して整形し開口２６を形成する
（第２図（ｂ））次いで本体部１２の両端部を拡管す
ることによって他の管材と結合させるための接続部２日
を形成す、る （第１図（Ｃ））。更に．本体部１２の
一方端（図中では左端）から所定の距離をおいた部分に
．その外周面に沿ってローラー等で加圧することによっ
て弁体の位置決め・固定用の第１の満３０を形成してお
く。或いは，図示は省略したが，上記溝３０の代わりに
本体部１２の外部よりポンチ打ち等によって内部に突出
する突起部を内周面上に複数個形成することによって弁
体の位置決め・固定を行ってもよい。Note that the reference numeral 24 is a wrinkle suppressor. Of course, other methods may be used as long as the main body portion 12 and the bonnet portion 14 can be integrally molded from the short tube 10. Then... As described above, the main body portion 12 and the bonnet portion 14 are integrally molded from the short tube 10. If the upper end of the cylindrical bonnet 14 is irregular, that part is shaped by cutting or grinding horizontally to form an opening 26 (FIG. 2(b)).Next, both ends of the main body 12 are expanded. A connecting part for joining with other pipe material is formed by (Fig. 1(C)). Furthermore. At a predetermined distance from one end of the main body 12 (the left end in the figure). A first groove 30 for positioning and fixing the valve body is formed by applying pressure with a roller or the like along its outer peripheral surface. Alternatively, although not shown in the drawings, instead of the groove 30, a plurality of protrusions that protrude inward from the outside of the main body 12 by punching or the like are formed on the inner circumferential surface to position and fix the valve body. You can.
以上の工程を経ることによって，円柱形状のボンネット
を有したバルプケースが．通常の配管用管材から完成す
る （第１図（Ｃ））。By going through the above process, a bulb case with a cylindrical bonnet is created. It is completed from ordinary piping material (Fig. 1 (C)).
次に，上記バルプケースに弁体を格納する。そのさい．
第３図に示したように，先ずシ一トリテーナ３１ａを本
体部１２の右端開口３２より挿入し，これを溝３０に当
接させる．次いでシール用の０リング３４ａ及びシート
リング３６ａを同様に挿入する。Next, the valve body is stored in the above-mentioned valve case. At that time.
As shown in FIG. 3, first, the seat retainer 31a is inserted through the right end opening 32 of the main body 12, and brought into contact with the groove 30. Next, the sealing O-ring 34a and seat ring 36a are inserted in the same manner.
そして略球形状を呈し，流体通過用の貫通孔３８を有す
る弁体４０（ボール弁体）を挿入した後に，今度は逆に
シートリング３６ｂ，Ｏリング３４ｂ．シ一トリテーナ
３ｌｂの順で各部材を挿入し，上記各部材（３１ａ，３
ｌｂ，３４ａ，３４ｂ，３６ａ，３６ｂ）によって両側
より挟み込む形で弁体４０を本体部１２の内部に中空支
持する．そしてシ一トリテーナ３ｌｂの外端部に，第２
の溝４２を．第１の溝３０と同様の方法にて形成する。Then, after inserting the valve body 40 (ball valve body), which has a substantially spherical shape and has a through hole 38 for fluid passage, the seat ring 36b, O-ring 34b. Insert each member in the order of seat retainer 3lb, and insert each member above (31a, 3
lb, 34a, 34b, 36a, 36b), the valve body 40 is hollowly supported inside the main body 12 by being sandwiched from both sides. Then, a second
groove 42. It is formed in the same manner as the first groove 30.
その結果，弁体４０が左右の溝３０と４２の間でシ一ト
リテーナ３１ ａ ， ３ｌ ｂ，， シ一トリング
３６ａ，３６ｂを介して扶持・固定されることになる。As a result, the valve body 40 is supported and fixed between the left and right grooves 30 and 42 via the seat retainers 31a, 31b, and seat rings 36a, 36b.
上記の如く弁体４０を本体部１２の内部に格納した後：
今度はボンネット部１４の開口２６側から弁棒４４を本
体部ｌ２内部に向けて挿入し，適宜手段を用いて弁体４
０に結合させる。該弁棒４４には，その下端部側（弁体
４０側）に第１の段部４６が．又その上に第２の段部４
８が夫々形成されており，その両段部の間にシール用の
０リング５０が嵌装されている。After storing the valve body 40 inside the main body 12 as described above:
Next, insert the valve stem 44 toward the inside of the main body l2 from the opening 26 side of the bonnet part 14, and insert the valve body 4 using an appropriate means.
Bind to 0. The valve stem 44 has a first stepped portion 46 on its lower end side (valve body 40 side). Moreover, there is a second step 4 on top of it.
8 are formed respectively, and an O-ring 50 for sealing is fitted between the two stepped portions.
弁棒４４を弁体４０に係合させた後に，グランドフラン
ジ（弁蓋）５２をボンネット部１４の開口２６に嵌め込
んで弁棒４４を固定するのであるが．該グランドフラン
ジ５２について．第４図を参照しつつ詳説する．グラン
ドフランジ５２は第４図（ａ） に示すように，円柱
状の本体部５４に弁棒通し孔５６が形成された円筒形状
を呈しており，その上面部５８の半径はボンネット部１
４の肉厚に対応する分だけ底面部６０の半径に比べて長
く構成されており．その結果上面部５８には縁部６２が
形成されている。更に．上面部５８には弁棒の回動規制
用の２つの突起６４． ６６が上面部５８の中心から約
９０度開いた間隔をおいて設けられている。斯くの如き
基本形状を有するグランドフランジ５２に，第４図（ｂ
） に示すようにボンネット部１４との結合のための溝
６８を形成する．このグランドフランジ５２を，第５図
に示すようにその弁棒通し孔５６に弁棒４４を挿通せし
めてボンネット部１４の開口２６を塞ぐように嵌め込む
。そしてボンネット部１４の外径側で上記溝６８に対応
する部分をローラーによって加圧してカシメ付けを行う
。After the valve stem 44 is engaged with the valve body 40, the valve stem 44 is fixed by fitting the gland flange (valve lid) 52 into the opening 26 of the bonnet portion 14. Regarding the ground flange 52. This will be explained in detail with reference to Figure 4. As shown in FIG. 4(a), the gland flange 52 has a cylindrical shape in which a valve stem through hole 56 is formed in a cylindrical main body 54, and the radius of the upper surface 58 is equal to the bonnet 1.
The radius is longer than the radius of the bottom part 60 by an amount corresponding to the wall thickness of 4. As a result, an edge 62 is formed on the upper surface portion 58 . Furthermore. The upper surface portion 58 is provided with two protrusions 64 for regulating rotation of the valve stem. 66 are provided at intervals of approximately 90 degrees from the center of the upper surface portion 58. The gland flange 52 having the basic shape as shown in FIG.
) A groove 68 for connection with the bonnet part 14 is formed. The gland flange 52 is fitted so as to close the opening 26 of the bonnet portion 14 by inserting the valve stem 44 through the valve stem passage hole 56, as shown in FIG. Then, on the outer diameter side of the bonnet portion 14, a portion corresponding to the groove 68 is pressed by a roller to perform caulking.
その結果，第３図に示すようにグランドフランジ５２は
ボンネット部１４に係合され，弁棒４４をボンネット部
１４の中央部で固定・支持する。又，グランドフランジ
５２の底面部６０が弁棒４４の第２の段部４８に当接し
ているため，弁棒４４の抜けをも防止している。尚，上
記の如くグランドフランジ５２に溝６８を形成する代わ
りに，第４図（ｃ）のように孔７０を穿設しておき、ボ
ンネツト部の外径側で該孔７０に対応する部分をポンチ
打ちして係合する方法も同様に有効である。尚，図示の
便宜上第４図（ｃ）には孔７０を１個のみ記載したが，
実際には３個乃至４個以上の孔７０を夫々等間隔をおい
て形成した方が．グランドフランジ５２を着実に係合出
来ることは云うまでもない．
゛以上の如くグランドフランジ５２を係合した後，弁棒
４４にストツパ７２及び弁開閉用のレバー７４を所定手
段にて取付けることにより，本発明に係るバルブが完成
する （第３図．第６図）。第３図は弁が開いている状
態を示しているが，レバー７４を９０度回動させること
によって弁を閉じることが出来゛る。尚，弁棒４４に取
付けられたストツバ７２がグランドフランジ５２に設け
られた２つの突起６４． ６６に当接するため，弁体４
０は９０度の範囲内でのみ回動可能なように仕組まれて
いる。As a result, as shown in FIG. 3, the gland flange 52 is engaged with the bonnet part 14, and the valve stem 44 is fixed and supported at the center of the bonnet part 14. Further, since the bottom surface portion 60 of the gland flange 52 is in contact with the second step portion 48 of the valve stem 44, the valve stem 44 is also prevented from coming off. Incidentally, instead of forming the groove 68 in the gland flange 52 as described above, a hole 70 is bored as shown in FIG. A method of punching and engaging is also effective. For convenience of illustration, only one hole 70 is shown in FIG. 4(c).
In reality, it is better to form three or four or more holes 70 at equal intervals. Needless to say, the ground flange 52 can be engaged steadily. After engaging the gland flange 52 as described above, the stopper 72 and the valve opening/closing lever 74 are attached to the valve stem 44 by a predetermined means, thereby completing the valve according to the present invention (Fig. 3, Fig. 6). figure). Although FIG. 3 shows the valve in an open state, the valve can be closed by rotating the lever 74 90 degrees. Note that the stop collar 72 attached to the valve stem 44 is attached to two protrusions 64 provided on the gland flange 52. 66, the valve body 4
0 is designed so that it can only be rotated within a range of 90 degrees.
本実施例の場合，弁体として略球状のボール弁を使用し
たが，これに限られるものではなく，本体部１２内に格
納出来．その回動によって弁の開閉を行うものである限
りいかなる形状のものであっても良い．
（発明の効果）
本発明は以上の構成からなるものであり，市販の管材を
用いた簡易な工程によって軽量且つ安価なバルプを大量
に製造出来る。特に，バルプ本体部とボンネット部とを
一体的に成形するので．ボンネット部を省略してバルブ
を構成する場合に生じるシール部材や弁棒の腐食及び錆
の発生等を有効に防止出来る。更に，シール部材の固定
や弁棒の抜け防止も少ない部品且つ簡易な方法で実現出
来るので．更に量産性の向上やコストダウンが図れる。In this embodiment, a substantially spherical ball valve is used as the valve body, but the valve body is not limited to this, and can be stored within the main body 12. It can be of any shape as long as the valve can be opened and closed by its rotation. (Effects of the Invention) The present invention has the above-described configuration, and can manufacture lightweight and inexpensive bulbs in large quantities through a simple process using commercially available pipe materials. Especially since the valve body and bonnet are integrally molded. It is possible to effectively prevent corrosion and rust of the seal member and valve stem that would otherwise occur when the valve is constructed without the bonnet portion. Furthermore, fixing the sealing member and preventing the valve stem from coming off can be achieved with a small number of parts and a simple method. Furthermore, mass productivity can be improved and costs can be reduced.
第１図乃至第６図は．本発明に係るバルプの製造方法の
実施例を示し．第１図はバルブケースの成形過程を示す
説明斜視図．第２図はボンネット部の成形方法を示す断
面図，第３図は本発明の完成状態を示す断面図，第４図
はグランドフランジの形状を示す斜視図，第５図はグラ
ンドフランジを弁棒に挿通せしめる状態を示す説明斜視
図，第６図は本発明の完成状態を示す全体斜視図である
．また，第７図は従来のバルブを示す断面図である．・
短管，
１０ ・
１４ ・
４０ ・
４６． ４８ ・
ンジ。
・ボンネット部，
・弁体
段部，Figures 1 to 6 are. An example of the method for manufacturing a bulb according to the present invention will be shown. Figure 1 is an explanatory perspective view showing the process of molding the valve case. Fig. 2 is a sectional view showing the method of forming the bonnet part, Fig. 3 is a sectional view showing the completed state of the present invention, Fig. 4 is a perspective view showing the shape of the gland flange, and Fig. 5 is the gland flange attached to the valve stem. FIG. 6 is an explanatory perspective view showing a state in which the present invention is inserted into the body, and FIG. 6 is an overall perspective view showing the completed state of the present invention. Furthermore, Figure 7 is a sectional view showing a conventional valve.・
Short tube, 10 ・ 14 ・ 40 ・ 46. 48. Nji.・Bonnet part, ・Valve body stepped part,
Claims (3)
短管を切出し、この短管をバルブケースとすると共にこ
の中に弁体を装着してバルブを構成するバルブの製造法
において、該短管をプレス成形することによって短管の
外周面から管軸と直交する方向に突出した円筒状ボンネ
ツト部を一体的に形成し、該短管の開口端から短管内部
に弁体を格納し、前記ボンネツト部の上部開口から段部
を有する弁棒を挿入してその下端部を前記弁体に結合さ
せると共に、弁棒通し孔を有するグランドフランジを、
その底面が前記弁棒段部に当接するよう前記弁棒の上端
部から挿通せしめてボンネツト部の上部開口に嵌装し、
そのさい、前記グランドフランジに凹部を形成しておき
、ボンネツト部の外側から該凹部に対応する部分をカシ
メることによってグランドフランジとボンネツト部とを
係合させることを特徴とするバルブの製造方法。(1) A method for manufacturing a valve in which a short pipe of the length necessary to construct the valve part is cut from a commercially available pipe for piping, the short pipe is used as a valve case, and a valve body is installed inside the short pipe to construct the valve. A cylindrical bonnet portion is integrally formed by press-molding the short tube in a direction perpendicular to the tube axis from the outer peripheral surface of the short tube, and a valve body is inserted into the short tube from the open end of the short tube. A valve stem having a stepped portion is inserted into the upper opening of the bonnet portion and its lower end is coupled to the valve body, and a gland flange having a valve stem through hole is provided.
The valve stem is inserted from the upper end of the valve stem so that its bottom surface contacts the stepped part of the valve stem, and is fitted into the upper opening of the bonnet part;
At that time, a method for manufacturing a valve is characterized in that a recess is formed in the gland flange, and the gland flange and the bonnet are engaged by caulking a portion corresponding to the recess from the outside of the bonnet.
り、ボンネツト部の外側で該溝に対応する部分をローラ
ーで加圧することによってカシメることを特徴とする請
求項１項記載のバルブの製造方法。(2) The valve according to claim 1, wherein the recessed portion is a groove carved in the gland flange, and is caulked by applying pressure with a roller to a portion corresponding to the groove on the outside of the bonnet portion. Production method.
の孔であり、ボンネツト部の外径側で該孔に対応する部
分をポンチ打ちすることによってカシメることを特徴と
する請求項１項記載のバルブの製造方法。(3) The recessed portion is a plurality of holes drilled in the gland flange, and is caulked by punching a portion corresponding to the holes on the outer diameter side of the bonnet portion. Method of manufacturing the valve described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4661189A JPH02229634A (en) | 1989-03-01 | 1989-03-01 | Manufacture of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4661189A JPH02229634A (en) | 1989-03-01 | 1989-03-01 | Manufacture of valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02229634A true JPH02229634A (en) | 1990-09-12 |
| JPH0470103B2 JPH0470103B2 (en) | 1992-11-10 |
Family
ID=12752099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4661189A Granted JPH02229634A (en) | 1989-03-01 | 1989-03-01 | Manufacture of valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02229634A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014202096A1 (en) * | 2013-06-20 | 2014-12-24 | Broen A/S | Valve and method for making a valve |
| EP3141782A1 (en) * | 2015-09-09 | 2017-03-15 | Vexve Oy | Ball valve |
| EP3372875A1 (en) * | 2017-03-09 | 2018-09-12 | Vexve Oy | Ball valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005308171A (en) * | 2004-04-26 | 2005-11-04 | Kobayashi Seisakusho:Kk | Water supply pipe having water stop function |
-
1989
- 1989-03-01 JP JP4661189A patent/JPH02229634A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014202096A1 (en) * | 2013-06-20 | 2014-12-24 | Broen A/S | Valve and method for making a valve |
| EP3141782A1 (en) * | 2015-09-09 | 2017-03-15 | Vexve Oy | Ball valve |
| EP3372875A1 (en) * | 2017-03-09 | 2018-09-12 | Vexve Oy | Ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0470103B2 (en) | 1992-11-10 |
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