JP2003176893A - Valve structure for tube fitting - Google Patents
Valve structure for tube fittingInfo
- Publication number
- JP2003176893A JP2003176893A JP2001378609A JP2001378609A JP2003176893A JP 2003176893 A JP2003176893 A JP 2003176893A JP 2001378609 A JP2001378609 A JP 2001378609A JP 2001378609 A JP2001378609 A JP 2001378609A JP 2003176893 A JP2003176893 A JP 2003176893A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- spherical surface
- contact surface
- valve body
- contact
- 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
- 239000012530 fluid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000003566 sealing material Substances 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、管継手のバルブ
構造に係わり、更に詳しくは高圧油圧配管用両路開閉式
継手のバルブ構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve structure for a pipe joint, and more particularly to a valve structure for a double-way open / close type joint for high pressure hydraulic piping.
【0002】[0002]
【従来の技術】従来、高圧油圧配管用両路開閉式継手の
バルブ1a,1bは、図5及び図6に示すように、配管
2a,2bの端末部に単体で接続された中空筒状に形成
された雌継手3のバルブボディ3aと雄継手4のバルブ
ボディ4aとの内部に各々内装され、図7(雄継手4の
み記載)に示すように分離状態時には、バルブ1bの先
端外周面に形成されたテーパ面6x1 に埋設したゴム製
のシール材5bがバルブボディ4aの内周部に形成され
たテーパ面6y1 と接触することにより、配管内部に封
入された流体が流出しないように保持するシール性を有
している。2. Description of the Related Art Conventionally, as shown in FIGS. 5 and 6, valves 1a and 1b of a two-way open / close type joint for high-pressure hydraulic piping have a hollow cylindrical shape which is singly connected to the ends of the piping 2a and 2b. The valve body 3a of the formed female joint 3 and the valve body 4a of the male joint 4 are respectively internally provided, and when separated from each other as shown in FIG. 7 (only the male joint 4), the outer peripheral surface of the tip of the valve 1b is attached. by rubber sealing material 5b which is embedded in the formed tapered surface 6x 1 contacts the tapered surface 6y 1 formed on the inner periphery of the valve body 4a, as fluid filling the interior pipe does not flow out Has a sealing property to hold.
【0003】前記一対のバルブボディ3a,4aの内部
には、前記バルブ1a,1bの後端側から突出したロッ
ド状のガイド部7a,7bが摺動可能に嵌合する貫通孔
8a,8bを設けたバルブガイド9a,9bが固定さ
れ、このバルブガイド9a,9bのフランジ面10a,
10bとバルブ1a,1bの後端面との間に、バルブ1
a,1bの先端外周面のテーパ面6x1 を前記バルブボ
ディ3a,4aのテーパ面6y1 側に接触するように附
勢するスプリング等の弾性部材11a,11bを介在さ
せ、また分離状態ではバルブ1a,1bの先端部はバル
ブボディ3a,4aの当接端面Qから外部に突出してい
る。Through holes 8a, 8b, into which the rod-shaped guide portions 7a, 7b projecting from the rear end sides of the valves 1a, 1b are slidably fitted, are formed in the pair of valve bodies 3a, 4a. The provided valve guides 9a, 9b are fixed, and the flange surfaces 10a of the valve guides 9a, 9b,
Between the valve 10b and the rear end faces of the valves 1a and 1b, the valve 1
a, wherein a tapered surface 6x 1 of the tip outer peripheral surface of the 1b valve body 3a, the elastic member 11a such as a spring energizing to contact the tapered surface 6y 1 side 4a, is interposed 11b, also valves with separated state The tip end portions of 1a and 1b project to the outside from the contact end surfaces Q of the valve bodies 3a and 4a.
【0004】そして、雌継手3のバルブボディ3aと雄
継手4のバルブボディ4aとの結合時には、図5に示す
ように、互いのバルブ1a,1bの先端部が当接して、
弾性部材11a,11bを圧縮させながらバルブ1a,
1bはそれぞれバルブボディ3a,4a内に押し下げら
れて後退し、バルブ1a,1bの先端外周面に形成され
たテーパ面6x1 と前記バルブボディ3a,4aのテー
パ面6y1 との間に流体の流通路12を形成するもので
ある。When the valve body 3a of the female joint 3 and the valve body 4a of the male joint 4 are coupled, as shown in FIG. 5, the tips of the valves 1a and 1b come into contact with each other,
While compressing the elastic members 11a and 11b, the valve 1a,
Each 1b valve body 3a, depressed and retracted into the 4a, valve 1a, formed in said front end outer peripheral surface of the 1b a tapered surface 6x 1 valve body 3a, the fluid between the tapered surface 6y 1 of 4a The flow passage 12 is formed.
【0005】また、図8(雄継手4のみ記載)に示すバ
ルブ1b及びバルブガイド9bの他の従来例であって、
この実施形態は、バルブ1bの後端に凹部7dを形成し
たガイド部7cを形成すると共に、バルブガイド9bの
側面には、ガイド部7cが摺動可能に嵌合する凹部9c
が形成してある。Another conventional example of the valve 1b and the valve guide 9b shown in FIG. 8 (only the male joint 4 is shown),
In this embodiment, a guide portion 7c having a concave portion 7d formed at the rear end of the valve 1b is formed, and a concave portion 9c on which the guide portion 7c is slidably fitted is formed on a side surface of the valve guide 9b.
Is formed.
【0006】そしてバルブ1bの凹部7dとバルブガイ
ド9bの凹部9cとの間には、バルブ1bの先端外周面
のテーパ面6x1 を前記バルブボディ4aのテーパ面6
y1側に接触するように附勢するスプリング等の弾性部
材11bを介在させてある。Between the concave portion 7d of the valve 1b and the concave portion 9c of the valve guide 9b, a tapered surface 6x 1 of the outer peripheral surface of the tip of the valve 1b is formed.
an elastic member 11b such as a spring energizing to contact the y 1 side are interposed.
【0007】また、雌継手3のバルブボディ3aと雄継
手4のバルブボディ4aとの分離状態時に、結合面とな
る当接端面Qから突出したバルブ1a,1bの先端部
に、何らかの外力が作用して図9に示すようにバルブ1
b(雄継手4のみ記載)が傾きを生ずると、バルブボデ
ィ4aのテーパ面6y1 にバルブ1bのシール材5bが
均一に接触出来ない状態となって隙間Sが生じ、この結
果、シールが不完全になってシール性を損ねた状態とな
る。Further, when the valve body 3a of the female joint 3 and the valve body 4a of the male joint 4 are separated from each other, some external force acts on the tips of the valves 1a and 1b protruding from the contact end surface Q serving as the coupling surface. Then, as shown in FIG. 9, valve 1
When b (only the male joint 4 is described) is inclined, the seal material 5b of the valve 1b cannot be evenly contacted with the tapered surface 6y 1 of the valve body 4a, and a gap S is generated. It becomes a state in which the sealing property is impaired when it is completely completed.
【0008】そこで、例えば、図7(雄継手4のみ記
載)に示すように、バルブ1bの傾きを小さく抑えるた
めに、前記バルブ1bの後端側に形成したガイド部7b
を通常よりも長く形成すると共に、バルブガイド9bの
貫通孔8bを通常より長く形成し、それぞれが嵌合する
ラップ代Lを大きくして傾きを小さく抑える構造が考え
られる。Therefore, for example, as shown in FIG. 7 (only the male joint 4 is shown), a guide portion 7b formed on the rear end side of the valve 1b in order to suppress the inclination of the valve 1b.
It is conceivable that the valve guide 9b is formed longer than usual, the through hole 8b of the valve guide 9b is formed longer than usual, and the lap margin L in which they are fitted is increased to suppress the inclination.
【0009】[0009]
【発明が解決しようとする課題】然しながら、バルブ1
a,1bの傾きを小さく抑えるためには、上述した貫通
孔8bのラップ代Lを大きい構造とした場合、製品自体
が大型化してコストアップとなる問題があった。また、
ラップ代Lを大きい構造にしたとしても若干の傾きは生
じるため、バルブ1a,1bのシール材5a,5bがバ
ルブボディ3a,4aのテーパ面6y1 に均一に接触し
てシールすることが出来ず、流体の漏れが発生し易いと
言う問題があった。However, the valve 1
In order to suppress the inclination of a and 1b to be small, when the above-mentioned lap margin L of the through hole 8b has a large structure, there is a problem that the product itself becomes large and the cost increases. Also,
Even if the lap length L is made large, a slight inclination occurs, so that the sealing materials 5a, 5b of the valves 1a, 1b cannot evenly contact the tapered surfaces 6y 1 of the valve bodies 3a, 4a to seal. However, there is a problem that fluid leakage easily occurs.
【0010】更に、バルブ1a,1bの傾きを防止する
ため、弾性部材11a,11bによるスプリングの圧縮
荷重を大きくすると、着脱作業時の取り扱い性が悪くな
り、継手自体も大型化しコストアップとなる問題があ
り、またバルブ1a,1bのゴム製のシール材5a,5
bの出っ張り代を大きくすると、繰返し加圧や流体の流
れによってシール材5a,5bが損傷し易いため、耐久
性が悪くなると言う問題があった。Further, if the compression load of the spring by the elastic members 11a and 11b is increased in order to prevent the valves 1a and 1b from tilting, the handleability at the time of attachment / detachment work deteriorates, and the joint itself becomes large and the cost increases. And the rubber sealing materials 5a, 5 of the valves 1a, 1b
If the protrusion amount of b is increased, the sealing materials 5a and 5b are likely to be damaged by repeated pressurization or fluid flow, which causes a problem that durability is deteriorated.
【0011】この発明の目的は、バルブの傾いた時にも
安定したシール性を確保すると共に、製品の小型化及び
軽量化を図り、低コストで生産することが可能な管継手
のバルブ構造を提供することにある。An object of the present invention is to provide a valve structure of a pipe joint which can secure a stable sealing property even when the valve is tilted, reduce the size and weight of the product, and can be produced at a low cost. To do.
【0012】[0012]
【課題を解決するための手段】この発明は上記目的を達
成するため、バルブとバルブボディとの接触面の一方を
凹状球面に形成すると共に、他方の接触面を凹状球面と
嵌合する凸状の球面に形成したことを要旨とするもので
ある。In order to achieve the above object, the present invention forms one of contact surfaces of a valve and a valve body into a concave spherical surface, and forms the other contact surface with a concave spherical surface. The gist is that it is formed on the spherical surface.
【0013】ここで、前記バルブボディの接触面を凹状
球面に形成し、前記バルブの接触面を凹状球面と嵌合す
る凸状の球面に形成することも可能であり、またこの逆
の形状にすることも可能である。Here, it is also possible to form the contact surface of the valve body into a concave spherical surface and form the contact surface of the valve into a convex spherical surface that fits into the concave spherical surface, and vice versa. It is also possible to do so.
【0014】更に、前記一対のバルブボディの内部に収
容したバルブは、対称形状とすることが好ましく、バル
ブの接触面には、シール部材を設けるものである。ま
た、前記一対のバルブボディの内部に、断面凹状のバル
ブガイドを固定し、このバルブガイドの凹部に弾性部材
を介して常時突出方向に附勢されたバルブをそれぞれ嵌
合配設するものである。Furthermore, it is preferable that the valves housed inside the pair of valve bodies have a symmetrical shape, and a seal member is provided on the contact surface of the valves. Further, a valve guide having a concave cross-section is fixed inside the pair of valve bodies, and valves which are constantly biased in a protruding direction via elastic members are fitted and arranged in the concave portions of the valve guides. .
【0015】このように、バルブとバルブボディとの接
触面の一方を凹状球面に形成すると共に、他方の接触面
を凹状球面と嵌合する凸状の球面に形成したことによ
り、バルブとバルブガイドとのラップ代を大きくする必
要がなく、製品自体の小型化と軽量化を図ることが出
来、バルブが傾いた時にも安定したシール性を確保する
ことが出来、低コストで生産することが出来るものであ
る。Thus, by forming one of the contact surfaces of the valve and the valve body into a concave spherical surface and the other contact surface into a convex spherical surface that fits into the concave spherical surface, the valve and the valve guide. It is possible to reduce the size and weight of the product itself without the need to increase the wrapping cost, and to ensure stable sealing even when the valve is tilted, and it is possible to produce at low cost. It is a thing.
【0016】[0016]
【発明の実施の形態】以下、添付図面に基づき、この発
明の実施形態を説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.
【0017】なお、以下の説明において、従来例と同一
構成要素は同一符号を付して説明は省略する。In the following description, the same components as those of the conventional example are designated by the same reference numerals and the description thereof will be omitted.
【0018】図1は、この発明の実施形態を示す高圧油
圧配管用両路開閉式の管継手の接続状態の断面図であっ
て、配管2a,2bの端末部に単体で接続された中空筒
状に形成された雌継手3のバルブボディ3aと雄継手4
のバルブボディ4aとの内部には、対称形状に形成され
たバルブ1A,1Bがバルブガイド9A,9Bを介して
収容されている。FIG. 1 is a cross-sectional view showing a connected state of a double-way open / close type pipe joint for high-pressure hydraulic piping according to an embodiment of the present invention, which is a hollow cylinder singly connected to the ends of the pipes 2a and 2b. Shaped valve body 3a of female joint 3 and male joint 4
Inside the valve body 4a, the valves 1A and 1B formed in a symmetrical shape are housed via valve guides 9A and 9B.
【0019】前記雌継手3のバルブボディ3aと雄継手
4のバルブボディ4aとの当接端面Q側の内周側の接触
面6Yは、図2(雄継手4のみ記載)に示すように凹状
球面に形成され、また凹状球面の接触面6Yに嵌合接触
するバルブ1Bの先端側外周の接触面6Xは凸状の球面
に形成され、このバルブ1Bの先端側外周の接触面6X
には、ゴム製のシール材5bが埋設されている。The contact surface 6Y on the inner peripheral side on the contact end face Q side between the valve body 3a of the female joint 3 and the valve body 4a of the male joint 4 is concave as shown in FIG. 2 (only the male joint 4 is shown). The outer peripheral contact surface 6X of the valve 1B, which is formed into a spherical surface and which fits and contacts the contact surface 6Y of the concave spherical surface, is formed into a convex spherical surface, and the outer peripheral contact surface 6X of the valve 1B.
A rubber seal material 5b is embedded in the.
【0020】なお、凹状球面をバルブ1A,1Bの先端
側外周の接触面6Xに形成し、凸状の球面をバルブボデ
ィ3a,4aの接触面6Yに形成することも可能であ
る。It is also possible to form a concave spherical surface on the contact surface 6X on the outer periphery on the tip side of the valves 1A and 1B and to form a convex spherical surface on the contact surface 6Y of the valve bodies 3a and 4a.
【0021】前記バルブボディ3a,4a内に収容され
たバルブガイド9A,9Bは、一側面に凹部15を備
え、かつストッパーリング16によりバルブボディ3
a,4aの内壁面に固定され、またバルブ1A,1Bの
後端側には、前記バルブガイド9A,9Bの凹部15内
に摺動可能に嵌合する突起状のガイド部17を設けた凹
部18が形成してある。The valve guides 9A and 9B housed in the valve bodies 3a and 4a have a concave portion 15 on one side surface and a stopper ring 16 for providing the valve body 3 therewith.
a, 4a is fixed to the inner wall surface of the valve 1A, 1B, and a recessed portion provided on the rear end side of the valve 1A, 1B with a protruding guide portion 17 slidably fitted in the recessed portion 15 of the valve guide 9A, 9B 18 is formed.
【0022】この発明では、上記のように雌継手3のバ
ルブボディ3aと雄継手4のバルブボディ4aとの当接
端面Q側の接触面6Yと、バルブ1A,1Bの先端側外
周の接触面6Xとを、凹状球面と凸状の球面とに形成す
ることで、雌継手3のバルブボディ3aと雄継手4のバ
ルブボディ4aとが分離状態時に、バルブ1A,1Bの
先端に何らかの外力が作用して図3(雄継手4のみ記
載)に示すようにバルブ1A,1Bが傾いた場合でも、
バルブ1A,1Bの先端側外周の接触面6Xに形成した
凸状の球面が、バルブボディ3a,4aの接触面6Yに
形成した凹状球面に沿って移動して傾きを吸収するの
で、常にバルブボディ3a,4aの接触面6Yのシート
面にバルブ1A,1Bのゴム製のシール材5a,5bが
接触してシール状態を保持することが可能である。In the present invention, as described above, the contact surface 6Y on the contact end surface Q side of the valve body 3a of the female joint 3 and the valve body 4a of the male joint 4 and the contact surface on the outer periphery of the tip end side of the valves 1A, 1B. By forming 6X into a concave spherical surface and a convex spherical surface, some external force acts on the tips of the valves 1A and 1B when the valve body 3a of the female joint 3 and the valve body 4a of the male joint 4 are separated. Then, even if the valves 1A and 1B are tilted as shown in FIG. 3 (only the male joint 4 is shown),
Since the convex spherical surface formed on the contact surface 6X on the outer circumference of the tip side of the valves 1A and 1B moves along the concave spherical surface formed on the contact surface 6Y of the valve bodies 3a and 4a to absorb the inclination, the valve body is always The rubber seal materials 5a and 5b of the valves 1A and 1B can be brought into contact with the seat surfaces of the contact surfaces 6Y of 3a and 4a to maintain the sealed state.
【0023】なお、その他の構成及び作用は、従来例と
同様なので同一符号を付して説明は省略する。Since the other structure and operation are the same as those of the conventional example, the same reference numerals are given and the description thereof will be omitted.
【0024】[0024]
【発明の効果】この発明は、上記のようにバルブとバル
ブボディとの接触面の一方を凹状球面に形成すると共
に、他方の接触面を凹状球面と嵌合する凸状の球面に形
成したので、以下のような優れた効果を奏するものであ
る。
(a).バルブとバルブガイドとのラップ代を大きくする必
要がなく、製品自体の小型化と軽量化を図ることが出来
る。
(b).バルブが傾いた時にも安定したシール性を確保する
ことが出来る。
(c).左右一対のバルブ形状を対称形状に出来る等、内蔵
部品を雌,雄継手で共通構造にすることが出来、低コス
トで生産することが出来る。
(d).漏洩性能が良く、耐久性のある小型,軽量な継手と
することが出来る。As described above, according to the present invention, one of the contact surfaces of the valve and the valve body is formed as a concave spherical surface, and the other contact surface is formed as a convex spherical surface that fits into the concave spherical surface. The following excellent effects are obtained. (a). There is no need to increase the lap between the valve and the valve guide, and the product itself can be made smaller and lighter. (b). A stable sealing property can be secured even when the valve is tilted. (c). A pair of left and right valves can be made symmetrical, and internal parts can have a common structure for female and male joints, and can be manufactured at low cost. (d). Small and lightweight joint with good leakage performance and durability can be obtained.
【図1】この発明の実施形態を示す高圧油圧配管用両路
開閉式の管継手の接続状態の断面図である。FIG. 1 is a cross-sectional view of a connected state of a two-way open / close type pipe joint for high-pressure hydraulic piping showing an embodiment of the present invention.
【図2】この発明を実施した片側の継手のバルブとバル
ブボディとの分解した断面図である。FIG. 2 is an exploded sectional view of a valve and a valve body of a joint on one side according to the present invention.
【図3】この発明を実施した片側の継手のバルブが傾斜
した状態の断面説明図である。FIG. 3 is a cross-sectional explanatory view showing a state in which a valve of a joint on one side according to the present invention is inclined.
【図4】この発明を実施した片側の継手のバルブの正常
状態の断面説明図である。FIG. 4 is an explanatory cross-sectional view of a valve of a joint on one side, in which the present invention is implemented, in a normal state.
【図5】従来の高圧油圧配管用両路開閉式の管継手の接
続状態の断面図である。FIG. 5 is a cross-sectional view of a conventional two-way open / close type pipe joint for high-pressure hydraulic pipe in a connected state.
【図6】従来の片側の継手のバルブとバルブボディとの
分解した断面図である。FIG. 6 is an exploded sectional view of a valve and a valve body of a conventional one-sided joint.
【図7】従来の片側の継手のバルブとバルブボディとを
組付けた断面図である。FIG. 7 is a cross-sectional view in which a valve and a valve body of a conventional one-sided joint are assembled.
【図8】従来の片側の継手の他実施形態を示すバルブと
バルブボディとを組付けた断面図である。FIG. 8 is a sectional view showing another embodiment of a conventional one-sided joint in which a valve and a valve body are assembled.
【図9】図8のバルブが傾斜した状態の断面説明図であ
る。9 is a cross-sectional explanatory view of a state where the valve of FIG. 8 is inclined.
【符号の説明】 1a,1b バルブ 2a,2b 配管 3 雌継手 3a バルブボディ 4 雄継手 4a バルブボディ 5a,5b ゴム製のシール材 6x1 テーパ面 6y1 テーパ面 7a,7b,7c ガイド部 7d 凹部 8a,8b 貫通孔 9a,9b バルブガイド 9c 凹部 10a,10b フランジ面 11a,11b 弾性部材 Q 当接端面 12 流通路 L ラップ代 13 スリーブ S 間隙 1A,1B バルブ 9A,9B バルブガイド 6X 先端側外周の接触面 6Y 接触面 15 凹部 16 ストッパーリング 17 ガイド部 18 凹部[Explanation of symbols] 1a, 1b Valve 2a, 2b Piping 3 Female joint 3a Valve body 4 Male joint 4a Valve body 5a, 5b Rubber seal material 6x 1 Tapered surface 6y 1 Tapered surface 7a, 7b, 7c Guide portion 7d Recessed portion 8a, 8b Through holes 9a, 9b Valve guide 9c Recesses 10a, 10b Flange surfaces 11a, 11b Elastic member Q Contact end surface 12 Flow passage L Lap margin 13 Sleeve S Gap 1A, 1B Valve 9A, 9B Valve guide 6X Contact surface 6Y Contact surface 15 Recessed portion 16 Stopper ring 17 Guide portion 18 Recessed portion
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小出 素久 神奈川県平塚市東八幡4−6−40 横浜ハ イデックス株式会社平塚事業所内 (72)発明者 鈴木 輝久 神奈川県平塚市東八幡4−6−40 横浜ハ イデックス株式会社平塚事業所内 Fターム(参考) 3J106 BA01 BB01 BC04 BD01 BE13 CA08 EB07 ED32 EE12 GA03 GA04 GB01 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Motohisa Koide 4-6-40 Higashi-Hachiman, Hiratsuka-shi, Kanagawa Yokohama Ha Idex Hiratsuka Office (72) Inventor Teruhisa Suzuki 4-6-40 Higashi-Hachiman, Hiratsuka-shi, Kanagawa Yokohama Ha Idex Hiratsuka Office F-term (reference) 3J106 BA01 BB01 BC04 BD01 BE13 CA08 EB07 ED32 EE12 GA03 GA04 GB01
Claims (5)
通路を開閉するバルブをそれぞれ内装して成る管継手の
バルブ構造において、 前記バルブとバルブボディとの接触面の一方を凹状球面
に形成すると共に、他方の接触面を凹状球面と嵌合する
凸状の球面に形成して成る管継手のバルブ構造。1. A valve structure of a pipe joint in which a valve for opening and closing a fluid passage is provided inside a pair of valve bodies, wherein one of contact surfaces of the valve and the valve body is formed into a concave spherical surface. And a valve structure of a pipe joint in which the other contact surface is formed into a convex spherical surface that fits with the concave spherical surface.
形成し、前記バルブの接触面を凹状球面と嵌合する凸状
の球面に形成した請求項1に記載の管継手のバルブ構
造。2. The valve structure for a pipe joint according to claim 1, wherein the contact surface of the valve body is formed into a concave spherical surface, and the contact surface of the valve is formed into a convex spherical surface that fits into the concave spherical surface.
のバルブを対称形状とした請求項1または2に記載の管
継手のバルブ構造。3. The valve structure for a pipe joint according to claim 1, wherein the pair of valves housed inside the valve body have a symmetrical shape.
けた請求項1,2または3に記載の管継手のバルブ構
造。4. The valve structure for a pipe joint according to claim 1, wherein a seal member is provided on a contact surface of the valve.
ブガイドを固定し、このバルブガイドに弾性部材を介し
て常時突出方向に附勢されたバルブをそれぞれ嵌合配設
した請求項1,2,3または4に記載の管継手のバルブ
構造。5. A valve guide is fixed inside the pair of valve bodies, and a valve which is always biased in a protruding direction via an elastic member is fitted into the valve guide. , 3 or 4 valve structure of the pipe joint.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001378609A JP4114714B2 (en) | 2001-12-12 | 2001-12-12 | Valve structure for fittings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001378609A JP4114714B2 (en) | 2001-12-12 | 2001-12-12 | Valve structure for fittings |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2003176893A true JP2003176893A (en) | 2003-06-27 |
JP4114714B2 JP4114714B2 (en) | 2008-07-09 |
Family
ID=19186277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001378609A Expired - Fee Related JP4114714B2 (en) | 2001-12-12 | 2001-12-12 | Valve structure for fittings |
Country Status (1)
Country | Link |
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JP (1) | JP4114714B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101277902B1 (en) * | 2010-04-28 | 2013-06-21 | 나가호리 고교 가부시키가이샤 | Fluid coupling |
JP2018025277A (en) * | 2016-08-12 | 2018-02-15 | 株式会社ブリヂストン | Valve body, manufacturing method of valve body and pipe joint |
-
2001
- 2001-12-12 JP JP2001378609A patent/JP4114714B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101277902B1 (en) * | 2010-04-28 | 2013-06-21 | 나가호리 고교 가부시키가이샤 | Fluid coupling |
US8602057B2 (en) | 2010-04-28 | 2013-12-10 | Nagahori Industry Co., Ltd. | Fluid coupling |
JP2018025277A (en) * | 2016-08-12 | 2018-02-15 | 株式会社ブリヂストン | Valve body, manufacturing method of valve body and pipe joint |
Also Published As
Publication number | Publication date |
---|---|
JP4114714B2 (en) | 2008-07-09 |
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