WO2009133630A1

WO2009133630A1 - Female joint member and male joint member

Info

Publication number: WO2009133630A1
Application number: PCT/JP2008/058436
Authority: WO
Inventors: 一憲青木
Original assignee: 日東工器株式会社
Priority date: 2008-05-02
Filing date: 2008-05-02
Publication date: 2009-11-05
Also published as: JPWO2009133630A1; JP5290280B2

Abstract

A pipe joint that ensures safe coupling/decoupling operation. The pipe joint has a female joint member (12) comprising a first locking element (14), a locking element retaining member (16), a suppressor member (18) and a valve member (22). When a male joint member (13) is inserted from its one end into the female joint member (12), the locking element retaining member (16) is displaced from an unlocking retaining position (Fig. 1) to a displacement permitting position (Fig. 2) permitting displacement of the first locking element to a locking position. Then, the suppressor member (18) is driven from a waiting position (Fig. 1) to a suppression position (Fig. 3) realizing suppression of the first locking element. Thereafter, the valve member (22) is driven from a closing position (Fig. 4) to an opening position (Fig. 5).

Description

Female joint member and male joint member

The present invention relates to a pipe joint member suitable for handling a high-pressure fluid such as hydrogen gas.

In recent years, vehicles using a fuel cell using hydrogen gas as a power source have been put into practical use. In such a vehicle, it is necessary to supply hydrogen gas at a hydrogen gas supply station similar to a gas station for a currently mainstream gasoline vehicle. In this case, the female pipe attached to the outlet of the hose for discharging and supplying the hydrogen gas from the hydrogen gas storage tank on the stand side to the male pipe joint attached to the inlet of the hydrogen gas storage tank on the vehicle side The joints are connected and the supply is performed.

In this case, the hydrogen gas is usually pressurized to about 70 MPa. Therefore, when connecting male and female pipe joints, thorough measures are required to prevent accidents. For example, the supply of hydrogen gas should be started after the pipe joint is completely connected, and in the state where the supply is started, unintentional accidental disconnection of the pipe joint will not occur. Must be.

However, pipe fittings that satisfy these requirements have not been developed yet.

Patent Document 1 discloses a pipe joint suitable for a high-pressure fluid.

Japanese Patent No. 3894578

However, the pipe joint of Patent Document 1 is not sufficiently satisfied with the above-mentioned points required for safely handling a high-pressure fluid such as hydrogen gas. For example, even during fluid supply, if the lever for operating the on-off valve of the pipe joint is rotated, the pipe joint is disconnected. Further, in Patent Document 1, the name of the invention is a quick coupling joint. However, after inserting the male member into the female member, the valve operating lever must be rotated, and the coupling can be established only by inserting the male member. Compared to the completed one, the connecting operation takes time.

In view of such a point, the present invention can handle a high-pressure fluid safely and can perform a quicker connection, and in particular, a female type in such a pipe joint. It aims at providing a joint member.

That is, the present invention
A female joint member (12) having one end for receiving a male joint member (indicated by reference numeral 13 in the embodiment described below) and the other end in communication with a fluid source,
A locking position (FIGS. 2 to 5) for engaging the received male joint member (13) to connect the male joint member to the female joint member (12), and disengagement from the male joint member; A first locking element (14) displaceable between a locking release position (FIG. 1) for releasing the connection of the male coupling member with the female coupling member;
An unlocking holding position (FIG. 1) for holding the first locking element (14) in the unlocking position, and an allowable displacement position (FIGS. 2 to 5) for allowing the first locking element to be in the locking position. A locker holding member (16) displaceable between
A standby position (FIG. 1) for allowing the first locking element (14) to be displaced relative to the first locking element (14) and allowing the first locking element to enter the unlocking position; 2 to FIG. 5) A holding member (FIG. 3 to FIG. 5) that is engaged with the first locking element (14) and holds the first locking element to the locking position (FIGS. 3 to 5). 18) and
An open position (FIG. 5) for opening the fluid passage (21) of the female joint member communicated with a fluid passage of the male joint member and a closed position (FIGS. 1 to 4) for closing the fluid passage A valve member (22) displaceable between,
Have
When the male joint member (13) is inserted into the female joint member (12) from the one end, the locking element holding member (16) is displaced from the unlocked holding position (FIG. 1). (FIG. 2), then the restraining member (18) is displaced from the standby position (FIG. 1) to the restraining position (FIG. 3), after which the valve member (22) is moved to the closed position (FIG. 2). A female joint member is provided in the open position (FIG. 5) from FIG.

In this female joint member, after the male joint member is received and the holding member (18) is in the holding position (FIGS. 3 to 4), the first locking element (14) is securely held in the locking position. Since the valve member (22) is opened, the connection operation between the male joint member and the female joint member can be performed safely.

In particular,
A tubular body (20);
A cylindrical body that is displaceably mounted in the longitudinal axis direction of the tubular body and supports the first locking element (14) so as to be displaceable between the locking position (FIGS. 2 to 5) and the unlocking position. A lock support member (26) of
A cylindrical valve operating member (22-4) connected to the valve member (22) and attached to the outer periphery of the cylindrical main body (20), wherein the valve member is in the closed holding position ( 1 to 3) and a valve operating member (22-4) displaceable in the longitudinal direction between the open holding position (FIG. 5) with the valve member in the open position,
Have
In a state where the holding member (18) is in the holding position (FIG. 3), the locker holding member (16) and the locker support member (26) are further pushed by the male joint member (13). Thereby, the valve operating member (22-4) can be brought into the open holding position (FIG. 4).

Also,
A tubular body (20);
The first locking element (14) is attached so as to be displaceable in the longitudinal axis direction of the cylindrical body, and the first locking element (14) can be displaced between the locking position (FIGS. 2 to 5) and the locking release position (FIG. 1). A locking element supporting member (26) for supporting;
Have
The locking element holding member (16) is slidably attached to the inner peripheral surface of the locking element support member, and the unlocking holding position (FIG. 1) and the locking element in the longitudinal axis direction with respect to the locking element support member It can be displaced between the allowable displacement positions (Figs. 2 to 5),
The holding member (18) is attached to the outer side in the radial direction of the locking element support member (26), and the standby position (FIG. 1) and the holding position (FIG. 3 to FIG. 3) in the longitudinal axis direction with respect to the locking element support member. It is possible to displace between
The male joint member (13) is inserted into the female joint member (12) from the one end so that the locking element holding member (14) is held open by the male joint member (13). In this state, the locking element holding member (14) and the locking element support member (26) are pushed in by the male joint member (13), whereby the restraining member is moved. (18) can be changed from the standby position (FIG. 1) to the hold position (FIG. 3).

More specifically,
A valve operating member (22-4) connected to the valve member (22) and attached to the outer periphery of the cylindrical body (20), wherein the valve member (22) is in the closed position (FIGS. 1 to 4). ) And the open holding position where the valve member is in the open position (FIG. 5) are displaceable in the longitudinal direction, and the spring is moved from the closed holding position toward the open holding position. Having a biased valve operating member (22-4);
In a state where the holding member (18) is in the holding position (FIG. 3), the locker holding member (16) and the locker support member (26) are further pushed by the male joint member (13). Accordingly, the valve operating member (22-4) can be brought into the open holding position (FIG. 4) by spring bias.

Also,
A locking position (FIG. 5) provided on the cylindrical main body (20) for engaging the valve operating member (22-4) to hold the valve operating member in the open holding position; and A second locking element (24) that is displaceable between the unlocking position (FIGS. 1 to 4) allowing the displacement to the open holding position (FIGS. 1 to 4);
The second locking element can be set to the locking position by the pressure of the fluid passed through the fluid passage of the female joint member.

More specifically,
A first position provided on the cylindrical main body and engaged with the valve operating member (22-4) to hold the valve operating member in the closed holding position (FIGS. 1 to 3); and the valve operating member A valve operating member locking member (hereinafter referred to as a valve operating member locking member) that is displaceable from a second position allowing the valve operating member to be displaced from the closed holding position to the open holding position (FIG. 5). In the description of the embodiment to be described, the third locking member 20-4)
The valve operating member locking member is configured so that the locking element holding member (16) and the locking element support member (26) are in the male position when the pressing member (18) is in the pressed position (FIG. 3). When it is further pushed in by the mold joint member (13), the second position can be obtained.

Further, the valve operating member (22-4) has a spring (40) for urging the valve operating member (22-4) from the closed holding position toward the open holding position, and the valve operating member locking member is set to the second position. The valve operating member can be displaced to the release holding position by the spring (40).

A locking position (FIG. 1, FIG. 1) is provided on the holding member (18) and engages with the cylindrical member (20) to prevent the holding member from moving relative to the cylindrical member. 2) and a locking release position (FIGS. 3 to 5) that allows the restraining member (18) to move relative to the cylindrical member away from the cylindrical member. A holding member locking member (second locking member 32) made possible;
When the locking element holding member and the locking element support member are pushed by the male joint member, the holding member locking member is in the locking position, and the locking element holding member and the locking element support member are The restraining member moves relative to the restraining member, and when the restraining member is in the restraining position, the restraining member locking member can be in the unlocking position.

Further, a locking position provided on the locker support member for engaging the holding member (16) to prevent the locker support member (26) from moving relative to the holding member. (FIG. 1) and an unlocking position (FIGS. 2 to 5) that allows the locker support member (26) to move relative to the restraining member apart from the restraining member. A locker support member locking member (first locking member 30) that is displaceable;
When the locking element holding member is pushed by the male joint member, the locking element supporting member locking member (30) is in the locking position, and the locking element holding member is in contact with the locking element support member. When the locker holding member moves to the displacement allowable position (FIG. 2), the locker support member locking member (30) is in the unlocked position, and the locker support member It can be made to be pushed by the male joint member together with the locker holding member.

Also,
A valve displacement limiting member (42) provided on the cylindrical body (20);
The valve member (22) includes a movable valve seat member (22-2) connected to the valve operating member (22-4), and the female joint member pressed and sealed and engaged with the movable valve seat member. And a valve operating member (22-4) is moved from the closed holding position (FIGS. 1 to 4) to the open holding position (FIG. 5). When the movable valve seat member (22-2) is moved, the valve body (22-1) moves together with the movable valve seat member (22-2), and the valve displacement limiting member (42) is moved along the way. Engagement can be prevented so that movement away from the movable valve seat member (22-2) allows the fluid passageway to be opened.

In addition, the present invention is a male joint member member that is inserted and connected from one end of the female joint member as described above, and is inserted from the one end to hold the locker holding member in the unlocked state. Provided is a male joint member that is displaced from a position to the allowable displacement position.

When the male joint member is inserted from one end of the female joint member (12) and the lock holding member (16) is displaced to the allowable displacement position (FIG. 2), the lock support member (26 ), And the locker support member can be pushed together with the locker holding member (16).

It is a vertical side view of the female joint member of the pipe joint for high pressure fluids concerning the present invention, and is a longitudinal section of the pipe joint for high pressure fluids concerning the present invention which shows the state which is going to connect a male joint member. A longitudinal sectional view of the pipe joint for high-pressure fluid according to the present invention showing a state in which the male joint member is inserted into the female joint member and the first lock of the female joint member is engageable with the male joint member. It is. The male joint member is further inserted to show that the restraining member of the female joint member is in a state of restraining the first locking element at a position where it engages with the male joint member. FIG. It is a longitudinal cross-sectional view of the pipe joint for high-pressure fluids concerning the present invention which shows the state where a male joint member was further inserted and a valve member removed from a cylindrical main part. It is a longitudinal cross-sectional view of the high-pressure fluid pipe joint according to the present invention showing a state where the valve member is in the open position and the connection of the male joint member to the female joint member is completed.

Hereinafter, embodiments of the pipe joint for high pressure fluid according to the present invention will be described with reference to the accompanying drawings.

As shown in the figure, the high-pressure fluid pipe joint 10 according to the present invention includes a female joint member 12 and a male member 13.

First, an outline of the female joint member 12 will be described. The female joint member includes, as main constituent elements, a first locking element 14, a locking element holding member 16, a holding member 18, a cylindrical main body 20, and the like. The valve member 22 that opens and closes the fluid passage of the cylindrical main body and the second locker 24 are included.

The first lock 14 is of a collet chuck type and engages with an engagement recess 13-1 formed on the outer peripheral surface of the male joint member 13 so that the male joint member 13 is engaged with the female joint member 12. Between the locking position (FIGS. 2 to 5) to be connected to the locking recess 13-1 and the locking release position (FIG. 1) to release the connection between the male joint member 13 and the female joint member 12 It can be displaced by.

The locking element holding member 16 has an unlocking holding position (FIG. 1) for holding the first locking element 14 in the unlocking position, and a displacement allowable position for allowing the first locking element to become the locking position (FIGS. 2 to 5). 5) and is displaceable.

The holding member 18 is displaced relative to the first locking element 14 to allow the first locking element 14 to reach the unlocking position (FIG. 1), and the locking element holding member 16 is displaced. The first locking element 14 is engaged with the first locking element 14 in the allowable position (FIGS. 2 to 5), and the first locking element is held in the locking position (FIGS. 3 to 5). Yes.

The cylindrical main body 20 is configured by combining the cylindrical members 20-1, 20-2, 20-3 by screw connection or the like.

The valve member 22 is located between an open position (FIG. 5) for opening the fluid passage 21 formed along the longitudinal axis of the cylindrical body 20 and a closed position (FIGS. 1 to 4) for closing the fluid passage. It can be displaced by.

The second locker 24 is provided in a transverse hole 23 provided so as to be orthogonal to the fluid passage 21 of the cylindrical member 20. Specifically, the second locking element 24 is provided in a portion above the fluid passage 21 in the transverse hole 23, and is supported by a support member 25 provided in a lower portion in the transverse hole 23. The coil spring 27 set around the locker 24 is urged downward. The support member 25 includes a lower portion 25-1 that is screwed into the transverse hole 23 and a pin 25-2 that protrudes upward from the lower portion and comes into contact with the second locker 24.

When the male joint member 13 is connected to the female joint member 12 (FIG. 5) and the fluid is introduced into the fluid passage 21 of the cylindrical main body 20 from the left end side of the second locker 24 (FIG. 5), The fluid is pushed up by the fluid and fitted into a locking recess 22-6 formed on the inner peripheral surface of a cylindrical valve operating member 22-4, which will be described later, so that the valve operating member 22-4 is displaced in the longitudinal axis direction. It is designed to prevent you from doing it.

The above is the outline of the female joint member 12. Next, the configuration of the female joint member 12 will be described in more detail based on FIG. 1 before the male joint member 13 is inserted.

The first locker 14 is supported by a cylindrical locker support member 26 so as to be displaceable between a lock position (FIGS. 2 to 5) and a lock release position (FIG. 1). The locker support member 26 is displaceable on the cylindrical main body 20 in the longitudinal axis direction of the cylindrical main body.

The locking element holding member 16 is a cylindrical member that is slidably attached to the inner peripheral surface of the locking element support member 26, and is rightward as viewed in the figure by a coil spring 28 that is set between the locking element 16 and the cylindrical body 20. Is being energized.

The holding member 18 is a cylindrical member and is slidably attached to the outer peripheral surface of the lock support member 26.

The locker support member 26 is provided with a plurality of radial through holes spaced apart in the circumferential direction, and a spherical first locking member (locker support member locking member) 30 is provided in the through hole. The locking member 18 is engaged with the locking recess 18-1 formed in the holding member 18 by being engaged by the large-diameter portion 16-1.

The holding member 18 is also provided with a plurality of radial through holes spaced apart in the circumferential direction, and the through holes are provided with second locking members (holding member locking members) 32 for supporting the locking element. It is pushed up by the member 26 and fitted into a locking recess 20-5 formed on the inner peripheral surface of the cylindrical main body 20.

The valve member 22 is provided in the cylindrical main body 20 so as to be displaceable in the longitudinal axis direction, and in the same manner as the cylindrical valve main body 22-1 displaced to the right by the coil spring 36, And a movable valve seat member 22-2 which is provided so as to be displaceable in the axial direction and is hermetically engaged with the valve main body 22-1. The movable valve seat member 22-2 is connected by a connecting member 22-3 to a cylindrical valve operating member 22-4 attached to the outer peripheral surface of the cylindrical main body 20-1 so as to be displaceable in the longitudinal axis direction. Yes. A locking recess 22-5 is provided on the inner peripheral surface of the valve operating member 22-4, and a third locking member (valve operating member locking member) is provided on the cylindrical main body so as to be displaceable in the radial direction. ) 20-4 is fitted.

In the state shown in FIG. 1 described above, the valve member 22 and the holding member 18 are locked to the cylindrical main body 20 by the third and second locking members 20-4 and 32, respectively, The member is also locked to the cylindrical main body 20 via the first locking member 30 and the holding member 18.

When the male joint member 13 is inserted into the female joint member 12 in this state, first, the lock holder holding member 16 is pushed against the coil spring 28, and the first lock element is displaced to the lock release position. This is a displacement allowable position (FIG. 2) that permits the above.

In this state, the first locking member 30 is disengaged from the large-diameter portion 16-1 of the locker holding member 16 and engages with the small-diameter portion 16-2 adjacent to the large-diameter portion of the locker holding member 16. , And comes off from the holding member 18.

When the male joint member 13 is further pushed in, the lock support member 26 is also engaged with the outer peripheral surface of the male joint member 13, and the lock member is pressed against the holding member 18 that is still locked to the cylindrical body 20. When pushed together with the holding member 16, the state shown in FIG. 3 is obtained. In other words, in this state, the holding member 18 is positioned to hold the first locking element 14 from the outside, and the second locking member 32 is formed on the locking element support member 26 so as to be detached from the cylindrical body 20. It fits into the recess 26-1.

When the male joint member 13 is further pushed in, the locker holding member 16, the locker support member 26, and the holding member 18 are pushed together, and the state shown in FIG. 4 is obtained. In this state, the third locking member 20-4 is disengaged from the locking recess 22-5 of the valve operating member 22-4, and the valve operating member 22-4 is displaced rightward by the coil spring 40, whereby the movable valve The seat member 22-2 is also displaced to the right. As a result, the valve body 22-1 is displaced to the right together with the movable valve seat member by the coil spring 36, but the elongated valve displacement limiting member 42 provided so as to be displaceable along the longitudinal axis of the cylindrical body 20 is male. While being pushed by the mold coupling member 13 and the movable valve seat member 22-2 is being moved to the right, it is engaged with the distal end of the valve displacement limiting member 42, whereby the movable valve seat member 22- 2, the fluid passage 21 is opened. The valve displacement limiting member 42 has a fluid passage 42-1 that communicates with the fluid passage 21, and when the male joint member 13 is inserted into the female joint member 12 and enters the state shown in FIG. The right end portion is inserted into the male joint member 13 and communicated with the fluid passage 13-2 of the male joint member.

In this state, when a valve of a high-pressure fluid source (not shown) connected to the right end opening of the cylindrical main body 20 is opened and the high-pressure fluid is passed through the female joint member 12, the high-pressure fluid is second. The lock 24 is pushed up against the coil spring 27 and fitted into the lock recess 22-6 of the cylindrical valve operation member 22-4 so that the valve operation member is not displaced in the longitudinal axis direction.

When the male joint member 13 is separated from the female joint member 12, the valve of the high-pressure fluid source is closed and the valve operating member 20-4 is moved to the left to bring the valve member 22 into the closed position shown in FIG. Then, if the male joint member 13 is pulled out, the holding member 18, the locker support member 26, and the locker holding member are accompanied with the operations opposite to the case where the male joint member is connected to the female joint member. 16 returns to the position shown in FIG.

As mentioned above, although one embodiment of the pipe joint according to the present invention has been described, the present invention is not limited to this, and can be variously modified within the scope of the invention defined in the claims.

Claims

A female joint member having one end for receiving a male joint member and the other end in communication with a fluid source,
A locking position that engages the received male joint member to connect the male joint member to the female joint member; and the female joint member of the male joint member that is detached from the male joint member. A first locker that is displaceable between a lock release position for releasing the connection;
A locking element holding member that is displaceable between an unlocking holding position that holds the first locking element in the unlocking position and a displacement permissible position that allows the first locking element to become the locking position;
A standby position that allows displacement of the first locking element relative to the first locking element to allow the first locking element to be in the unlocking position, and the first locking element in a state where the locking element holding member is in the displacement allowable position. A holding member that engages with one locking element and serves as a holding position for holding the first locking element at the locking position;
A valve member that is displaceable between an open position that opens the fluid passage of the female joint member that communicates with a fluid passage of the male joint member and a closed position that closes the fluid passage;
Have
By inserting the male joint member into the female joint member from the one end, the locker holding member is displaced from the unlocking holding position to the displacement allowable position, and then the holding member is moved to the standby state. A female joint member that is displaced from the position to the hold position, and thereafter the valve member is moved from the closed position to the open position.
A tubular body;
A cylindrical locking element supporting member, which is attached to be displaceable in the longitudinal axis direction of the cylindrical main body, and supports the first locking element so as to be displaceable between the locking position and the locking release position;
A tubular valve operating member connected to the valve member and attached to the outer periphery of the tubular body, wherein the valve member is in a closed holding position, and the valve member is in an open position. A valve operating member that is displaceable in the longitudinal direction between the holding position;
Have
In a state where the holding member is in the holding position, the locker holding member and the locker support member are further pushed by the male joint member, so that the valve operating member is set to the open holding position. The female joint member according to claim 1.
A tubular body;
A cylindrical locking element supporting member, which is attached to be displaceable in the longitudinal axis direction of the cylindrical main body, and supports the first locking element so as to be displaceable between the locking position and the locking release position;
Have
The locker holding member is slidably attached to the inner peripheral surface of the locker support member, and is between the unlocking holding position and the displacement allowable position in the longitudinal axis direction with respect to the locker support member. It can be displaced,
The restraining member is displaceable between the standby position and the restraining position in the longitudinal axis direction with respect to the locker support member on the radially outer side of the locker support member;
When the male joint member is inserted into the female joint member from the one end, the locking member holding member is moved from the unlocked holding position to the displacement allowable position by the male joint member. The female member according to claim 1, wherein the locker holding member and the locker support member are pushed in by the male joint member, so that the holding member is moved from the standby position to the holding position. Mold joint member.
A tubular valve operating member connected to the valve member and attached to the outer periphery of the tubular body, wherein the valve member is in a closed holding position, and the valve member is in an open position. A valve operating member that is displaceable in the longitudinal direction between the holding position and
In a state where the holding member is in the holding position, the locker holding member and the locker support member are further pushed by the male joint member, so that the valve operating member is set to the open holding position. The female joint member according to claim 3.
A locking position provided on the cylindrical body and engaging the valve operating member to hold the valve operating member in the open holding position; and allowing the valve operating member to be displaced to the closed holding position. Having a second locking element displaceable between the locking release position and
5. The female joint member according to claim 4, wherein the second lock is displaced toward the locking position by a pressure of a fluid passed through a fluid passage of the female joint member.
A first position which is provided on the cylindrical main body and engages with the valve operating member to hold the valve operating member in the closed holding position; and the valve operating member which is detached from the valve operating member is in the closed holding position. A valve operating member locking member that is displaceable between a second position allowing displacement from the open holding position to the second holding position;
The valve operating member locking member is configured such that when the holding member and the locking member support member are pushed in by the male joint member in a state where the holding member is in the holding position, The female joint member according to claim 2, 4 or 5, wherein the female joint member is positioned.
A locking position provided on the holding member and engaging with the cylindrical main body to prevent the holding member from moving relative to the cylindrical main body; and the holding position apart from the cylindrical main body. A holding member locking member that is displaceable between an unlocking position that allows the member to move relative to the cylindrical body,
When the locking element holding member and the locking element support member are pushed by the male joint member, the holding member locking member is in the locking position, and the locking element holding member and the locking element support member are 6. The control member according to claim 2, wherein the control member is moved relative to the control member, and the control member locking member is in the lock release position when the control member is in the control position. The female joint member according to 1.
A locking position provided on the locking member supporting member for engaging the holding member to prevent the locking member supporting member from moving relative to the holding member; and apart from the holding member A locker support member locking member that is displaceable between an unlocking position that allows the locker support member to move relative to the restraining member;
When the locking element holding member is pushed by the male joint member, the locking element support member locking member is in the locking position, and the locking element holding member is relatively positioned with respect to the locking element support member. When the locking element holding member is in the displacement allowable position, the locking element support member locking member is in the unlocking position, and the locking element support member is male with the locking element holding member. The female joint member according to claim 2, 4 or 5, wherein the female joint member is pushed by the joint member.
A locking position provided on the locking member supporting member for engaging the holding member to prevent the locking member supporting member from moving relative to the holding member; and apart from the holding member A locker support member locking member that is displaceable between an unlocking position that allows the locker support member to move relative to the restraining member, the locker holding member being The locking element supporting member locking member is in the locking position when pushed by the male joint member, and the locking element holding member moves relative to the locking element support member; When the locking element holding member is in the displacement allowable position, the locking element supporting member locking member is in the unlocking position, and the locking element supporting member is pushed together with the locking element holding member by the male joint member. A locking member supporting member locking member,
A locking position provided on the holding member and engaging with the cylindrical main body to prevent the holding member from moving relative to the cylindrical main body; and the holding position apart from the cylindrical main body. A holding member locking member that is displaceable between an unlocking position that allows the member to move relative to the cylindrical body, the locking element holding member and the locking element support member And the locking member locking member is in the locking position, and the locking element holding member and the locking element support member move relative to the suppression member. A holding member locking member that is configured to be in the locking release position when the holding member is in the holding position;
A first position which is provided on the cylindrical main body and engages with the valve operating member to hold the valve operating member in the closed holding position; and the valve operating member which is detached from the valve operating member is in the closed holding position. A valve operating member locking member that is displaceable from a second position that allows displacement to the open holding position when the restraining member is in the restrained position. A valve operating member locking member configured to be in the second position when the child holding member and the locker supporting member are pushed by the male joint member;
The female joint member according to claim 4, comprising:
A spring for urging the valve operating member from the closed holding position toward the open holding position, and when the valve operating member locking member is in the second position, The female joint member according to claim 9, wherein the female joint member is displaced to the release holding position by a spring.
A locking position provided on the cylindrical body and engaging the valve operating member to hold the valve operating member in the open holding position; and allowing the valve operating member to be displaced to the closed holding position. Having a second locking element displaceable between the locking release position and
The female joint member according to claim 9 or 10, wherein the second locker is displaced toward the locking position by a pressure of a fluid passed through a fluid passage of the female joint member.
Having a valve displacement limiting member provided on the cylindrical body;
The valve member has a movable valve seat member connected to the valve operating member, and a valve body that is pressed and sealed and engaged with the movable valve seat member to close the fluid passage of the female joint member, When the valve operating member is moved from the closed holding position to the open holding position to move the movable valve seat member, the valve body moves together with the movable valve seat member, and is engaged with the valve displacement limiting member in the middle. The female joint member according to claim 4, 5, 9, or 10, wherein the movement is prevented and the fluid passage is opened away from the movable valve seat member.
A male joint member that is inserted and connected from the one end of the female joint member according to any one of claims 1 to 5, 9, and 10, and is inserted into the one end to hold the locker. A male joint member that displaces the member from the unlocking holding position to the displacement permissible position.
When the locker holding member is inserted from one end of the female joint member and is displaced to the allowable displacement position, the locker support member is engaged with the locker support member together with the locker holding member. The male joint member according to claim 13, which is adapted to be pushed in.