JP2002267072A - Easy release joint - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an easy release joint capable of highly workably performing connecting work in a narrow working space in connecting a plumbing fixture to a feed pipe for feeding water or hot water via a connecting pipe and to favorably prevent the detachment of a pullout preventing clip of the easy release joint from a female pipe. SOLUTION: This easy release joint 38 comprises a socket member 46 and the pullout prevention clip 72 installed in the socket member 46 perpendicularly to its axis, capable of being elastically enlarged/contracted, and having a cam part 81 contacting with a flange part 53 in inserting an end member. The pullout preventing clip 72 is provided with main lock jaws 79 in a pair of elastic legs 74 as inward jaws and the main lock jaw 79 is made to lock with a lock recess part 84 of the socket member 46 so as to prevent the pullout preventing clip 72 from detaching from the socket member 46.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint for connecting pipes, and more particularly, it is suitable for connection between a plumbing device such as a faucet device and a supply pipe, and can be easily connected by one-touch operation. One-touch joint that can be.

[0002]

2. Description of the Related Art Conventionally, a joint as shown in FIG. 13 is known as a joint for connecting such a pipe.

In FIG. 1, reference numeral 200 denotes a female pipe having an insertion opening 202 at one end in the axial direction, and further having a female fitting surface 204 having a circular cross section following the insertion opening 202. A flange (projection) 206 is formed on the outer peripheral surface at the axial end.

A male pipe 208 has a male fitting surface 210 and an O-ring 212 mounted thereon, and the male fitting surface 210 is inserted into the female fitting surface 204 and fitted therein. The space between the fitting surfaces is sealed by an O-ring 212 in a watertight manner. On the side of the male pipe 208, the same flange (projection) 21 as in the female pipe 200 is provided.
4 are formed.

Reference numeral 216 denotes a retaining clip having elasticity for fastening the female pipe 200 and the male pipe 208 in the axial direction. The retaining clip 216 has an engaging groove 218 at an intermediate portion in the width direction and a part in the circumferential direction. It has a notched form, the notched part of which forms an opening 220, and the opening 2
Subsequent to 20, a guide 222 having a C-shaped open shape is formed continuously.

The retaining clip 216 inserts the male tube 208 into the female tube 200 and removes the pair of flange portions 20.
6 and 214 together with the flange portions 206 and 2
14 are elastically fitted in the direction perpendicular to the axis through the opening 220, and the female pipe 200 and the male pipe 20 are engaged by engaging the flange portions 206 and 214 in the engagement groove 218.
8 are fastened in the axial direction in a state where they cannot be removed.

Reference numeral 224 denotes a safety cover having a pair of locking portions 226 bent inward.
6 is fitted and locked to a pair of guides 222 of the retaining clip 216, thereby covering the protruding guide 222 and preventing the retaining clip 216 from being opened. However, this joint provides a male
In this state, at least three stages of operations are required: an operation of inserting the lock into the female tube 200, an operation of elastically fitting the retaining clip 216 in the direction perpendicular to the axis, and an operation of subsequently fitting the safety cover 224. Yes,
There is a problem that the workability at the time of pipe connection is still not sufficiently simple.

On the other hand, a retaining member which can be expanded and contracted elastically in the radial direction is axially pushed into the inside of the female tube through the opening thereof, and the male tube is inserted into the female tube and inside the retaining member. There is also known a joint in which a male pipe and a female pipe are connected in the axial direction by being pushed in the axial direction via the retaining member. However, in the case of this joint, since the retaining member is mounted in a state of being inserted into the female tube and a male tube is further inserted into the retaining member, they are triple overlapped in the direction perpendicular to the axis. As a result, there is a problem that the diameter of the female pipe inevitably increases, and the pipe connection portion partially increases in size, thereby deteriorating the appearance of the portion.

[0009]

The one-touch joint of the present invention has been devised to solve such a problem. According to the first aspect of the present invention, there is provided (a) a female pipe having a female fitting surface, and (b) a male fitting surface, which is inserted axially into the female pipe so that the male fitting is performed. (C) a male pipe whose surface is fitted to the female fitting surface; and (c) the female pipe is attached to the female pipe in a direction perpendicular to the axis and is elastically expandable and contractable. A retaining clip for preventing the male tube from falling out of the tube, and (d) contacting the protrusion projecting from the outer peripheral surface of the male tube when the male tube is inserted, and following the insertion movement of the male tube. A cam portion that allows the retaining clip to expand and move in the axial direction to the retaining clip with respect to the retaining clip, and that the retaining clip contracts and moves in the retaining position. The male clip is designed to prevent the male tube from being pulled out. Further, the clip is provided with a pair of elastic legs. A locking claw for preventing the retaining clip from falling out of the female tube in a direction perpendicular to the axis and in a direction opposite to the mounting direction is provided as an inward claw facing in a direction approaching each other. Is characterized in that a locking recess for locking the locking claw is provided.

According to a second aspect of the present invention, in the first aspect, the retaining clip is attached to the elastic leg of the retaining clip by engaging the retaining clip with the retaining recess while the retaining clip is attached to the female pipe. An auxiliary locking claw that holds the elastic leg and a main locking claw that locks in the locking recess when the retaining clip has moved a predetermined distance in a direction perpendicular to the axis with respect to the female pipe; It is characterized by being provided in.

According to a third aspect of the present invention, in the second aspect, the main locking claw is disposed on the distal end side of the elastic leg with respect to the auxiliary locking claw at a smaller interval than the distance between the auxiliary locking claw. It is characterized by being provided.

According to a fourth aspect of the present invention, in any one of the first and second aspects, the cam portion is formed integrally with the retaining clip.

According to a fifth aspect of the present invention, in any one of the first to third aspects, the cam portion approaches the center side of the female tube as the cam portion moves forward in the inserting direction of the male tube. It is characterized by the following.

A sixth aspect of the present invention is characterized in that, in any one of the first to fourth aspects, the retaining clip is attached to a notch formed by notching the female pipe in a circumferential direction.

According to a seventh aspect of the present invention, in any one of the first to sixth aspects, the one-touch joint connects a connection pipe extending from a plumbing device to a supply pipe of water or hot water. I do.

According to an eighth aspect, in the seventh aspect, the plumbing device is a faucet device.

A ninth aspect of the present invention is characterized in that, in the seventh aspect, the plumbing device is a ball tap for supplying water to a washing tank that stores therein water for washing a toilet.

According to a tenth aspect, in the seventh aspect,
The water-applying device is a local cleaning device provided in a toilet and injecting water for cleaning from a nozzle to a local human body.

An eleventh aspect is characterized in that, in any one of the first to sixth aspects, the one-touch joint connects the shower hose to the faucet body.

[0020]

According to the one-touch joint of the present invention as described above, the connection can be made by simply inserting the male pipe into the female pipe. That is, one member provided with the female tube and the other member provided with the male tube can be connected quickly and easily with one touch.

In addition, in the one-touch joint of the present invention, since the retaining clip is attached to the female pipe in a direction perpendicular to the axis, the connecting portion between the male pipe and the female pipe becomes particularly large in diameter and large. Thus, the problem that the appearance of the same portion deteriorates can be solved.

In the one-touch joint of the present invention, a pair of elastic legs of the retaining clip are provided with locking claws as inward claws for preventing the retaining clip from coming off the female tube, while the locking claws are provided on the female tube side. It is characterized in that a locking recess for locking the locking claw is provided. By doing this,
The retaining clip attached to the female tube can be prevented from coming off the female tube, and the male tube can be well prevented from coming off from the female tube due to the removal of the retaining clip.

Further, in the present invention, since the locking concave portion is provided on the female tube side and the locking claw of the retaining clip is locked therein, the locking force of the locking claw is increased. This makes it possible to reliably prevent the retaining clip from coming off the female tube.

In the present invention, the auxiliary locking claw for holding the retaining clip in the mounted state, and the main locking claw for locking the retaining clip in the retaining concave portion when the retaining clip has moved a predetermined distance in the direction perpendicular to the axis with respect to the female pipe, thereby preventing the clip from coming off. A locking claw may be provided (claim 2). In this case, the main locking claw can be provided on the distal end side of the elastic leg with respect to the auxiliary locking claw and at a smaller interval than the distance between the auxiliary locking claw.

In the one-touch joint of the present invention,
Although the cam portion may be formed separately from the retaining clip and provided at a different position, the cam portion may be formed integrally with the retaining clip according to claim 4. By doing so, the required number of parts can be reduced and the structure can be simplified.

Here, the shape of the cam portion may be such that it approaches the center side of the female tube as it moves forward in the insertion direction of the male tube (claim 5). Furthermore, the retaining clip can be mounted in a notch formed by notching a female pipe in a circumferential direction (claim 6).

The present invention can be suitably applied when connecting a connection pipe extending from a plumbing device to a supply pipe for water or hot water (claim 7). Claim 8 applies the present invention to a connection between a connection pipe extending from a water faucet device as a water supply device and a supply pipe for water or hot water. In this case, generally, in this case, the connection between the water faucet device and the supply pipe is provided. The working space is a narrow space under the counter or the like, and even in such a case, the connection pipe extending from the faucet apparatus and the supply pipe can be connected with good workability.

On the other hand, according to a ninth aspect, the present invention is applied to a connection between a connection pipe extending from a ball tap as a plumbing device and a supply pipe, and even in this case, the connection work is performed with good workability in a narrow work space. It can be performed. Furthermore, in the tenth aspect, the present invention is applied to the connection between the connection pipe and the supply pipe extending from the local cleaning device as a plumbing device, and even in this case, the connection work can be performed with good workability in a narrow work space. It can be carried out.

On the other hand, according to the eleventh aspect, the present invention is applied to the connection between the shower hose and the faucet body. In this case, the connection operation can be easily performed with good workability.

[0030]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. FIGS. 1 to 9 show an embodiment in which the one-touch joint of the present invention is used for connecting a faucet device as a plumbing device and a supply pipe of water or hot water, and 10 in FIG. A faucet device (in this example, a single-lever type hot-water mixing faucet) installed on the upper surface of a counter or the like, in which 12 is a faucet main body, 14 is a lever-type operation unit provided on the upper part thereof, 16 Reference numeral denotes a water discharge pipe extending from the faucet body 12.

The water discharge pipe 16 comprises a pipe main body 18 integrally formed with the faucet main body 12, and a water discharge head 20 which can be pulled out together with the hose 24. Here the spout head 2
Numeral 0 has a water outlet 22 at the tip, and water is discharged from the water outlet 22. In this example, the water discharge head 20 can switch the water discharge from rectified water discharge to shower water discharge or vice versa.

Reference numeral 26 denotes a supply pipe for water and hot water, which projects laterally from the wall W toward the room side. These pair of supply pipes 26
Is provided with a water stopcock 28 at the front end thereof. Stopcock 28
Has an upward connection port 30. A male screw 32 is formed on the outer peripheral surface of the connection port 30.

In this example, the faucet device 10 and the pair of supply pipes 26 are connected to each other by a connection piping device 34. The connection piping device 34 includes a flexible connection piping 36 and a one-touch joint 38 of the present example. Is connected to a stopcock 28 of

The connection pipe 36 forms a supply pipe of water or hot water, and the water or hot water sent through the supply pipe 26 is sent to the faucet body 12 through the connection pipe 36. The water and hot water sent to the faucet main body 12 are mixed therein at a predetermined ratio, and the mixed water flows out through the outflow pipe 40. Then, the water is sent to the water discharge head 20 through the hose 24 connected to the outflow pipe 40, and discharged from the water discharge port 22 at the tip.

Reference numeral 42 denotes a hose guide for guiding the hose 24, and reference numeral 44 denotes a stopper for regulating the amount of the hose 24 drawn out to a fixed amount. The hose 24 is prevented from being further pulled out when the stopper 44 comes into contact with the hose guide 42.

The one-touch joint 38 of this embodiment is similar to that of FIG.
To the socket member 4 as a female pipe as shown in FIG.
6 and an end member 48 as a male pipe are provided as main elements thereof. The end member 48 has a nipple portion 50, and the nipple portion 50 is inserted into the inside of the connection pipe 36, and in this state, together with the sleeve 52 caulked on the outer peripheral surface of the connection pipe 36, the tip of the connection pipe 36 Is fixed to the part.

The end member 48 has an annular flange (projection) 53 projecting radially outward from the outer peripheral surface thereof,
Further, a male fitting surface 54 having a circular cross section is provided on the distal end side following the flange portion 53, and an O-ring 56 as a sealing member is mounted on the male fitting surface 54.

On the other hand, the socket member 46 has a cylindrical shape as a whole and has a female screw 58 at one end in the axial direction (the lower end in FIGS. 2 and 4), and the female screw 58 is as shown in FIG. The water stopper 28 is screwed to a male screw 32 of a connection port 30. That is, the socket member 4
6 is threadedly connected to the stopcock 28.

As shown in FIGS. 3 and 6, the socket member 46 has an insertion opening 60 at the upper end in the drawing, and further extends the socket member 46 over a predetermined circumferential length at a position below the drawing. A notch 62 formed by notching is formed. As shown in FIG. 2, a recess 64 for receiving the flange 53 of the end member 48 is formed so as to face the cutout 62, and a female fitting is formed on the lower side in the figure following the recess 64. A mating surface 66 is formed.

The end member 48 is connected to the socket member 4.
6, the male fitting surface 54 is fitted into the female fitting surface 66 through the insertion opening 60 at the upper end in the drawing, and the fitting surfaces are sealed watertight by the O-ring 56. At this time, the flange portion 53 is housed in the concave portion 64 of the socket member 46.

As shown in FIG. 3, the socket member 4
A tool hook 68 is formed integrally with the lower end of the tool 6.
This tool hooking portion 68 has a flat tool hooking surface 70,
By applying a tool to the tool hooking surface 70, the socket member 46 can be rotated. That is, the female screw 58 of the socket member 46 can be screw-connected to the male screw 32 of the water stopcock 28 by the rotation operation.

As shown in FIGS. 2 to 4, the one-touch joint 38 of this embodiment has a retaining clip 72 for preventing the end member 48 from coming off the socket member 46 in the axial direction. As shown in FIGS. 3 and 7, the retaining clip 72 is formed by bending and deforming a leaf spring material into a substantially U-shape, and includes a pair of elastic legs 74 and their connecting portions 7.
6 are fitted to the socket member 46 in a direction perpendicular to the axis, and each of the pair of elastic legs 74 is mounted on the socket member 46 in a state of being positioned in the cutout portion 62.

As shown in FIG. 2, the retaining clip 72 has a front end (lower end in the figure) abutting against the flange 53 of the end member 48, and a rear end (upper end in the figure) of the socket member 46. The contact of the end member 48 from the socket member 46 is prevented by contacting the contact surface 82 of the notch 62.

The retaining clip 72 includes a pair of elastic legs 7.
4 are provided with main locking claws 79 for preventing the retaining clip 72 mounted on the socket member 46 from coming off in the direction perpendicular to the axis (see FIG. 3). Further, at a position separated from the main locking claw 79 by a predetermined distance, the retaining clip 7
2 is provided with an auxiliary locking claw 80 for holding the mounting member 2 in the mounted state with respect to the socket member 46.

Here, the pair of main locking claws 79 and auxiliary locking claws 80 are formed as inward claws protruding inward from the elastic legs 74, respectively. Here, the main locking claw 79 is formed in an L-shaped cross section, and the auxiliary locking claw 80 is formed by cutting and raising a part of the elastic leg 74 in an inward direction. Further, the main locking claws 79 are formed at intervals smaller than the intervals between the auxiliary locking claws 80.

On the other hand, the socket member 46 has the structure shown in FIGS.
As shown in FIG. 7, a locking recess 84 is formed at a position adjacent to the notch 62 in the circumferential direction, and an auxiliary locking of the retaining clip 72 with respect to a locking surface 86 of the locking recess 84. The claw 80 and the main locking claw 79 are locked in a stepwise manner.

Here, the auxiliary locking claw 80 of the retaining clip 72 is retained on the retaining surface 86 of the retaining recess 84 with the retaining clip 72 attached to the socket member 46 as shown in FIG. In this state, the retaining clip 72 is held in the socket member 46 by the locking action between the auxiliary locking claw 80 and the locking surface 86.

When the retaining clip 72 moves a predetermined distance in the direction perpendicular to the axis and in the direction opposite to the mounting direction from this state, the main retaining claw 79 is retained on the retaining surface 86, and the retaining clip 72 is moved from the socket member 46. Prevent further attempts to escape. Note that the main locking claw 79 abuts on the outer surface of the socket member 46 before being locked to the locking surface 86 of the socket member 46 to prevent the retaining clip 72 from coming off first.

When the retaining clip 72 is further moved in the direction perpendicular to the axis and in the direction opposite to the mounting direction, the main retaining claw 79 is retained on the retaining surface 86 of the retaining recess 84, and the retaining clip 72 is further moved. It works to stop the movement.

A pair of elastic legs 74 of the retaining clip 72
Each of them is integrally formed with a cam portion 81 formed by bending and deforming the same. Here, the cam portion 81 has a mortar shape as shown in FIG. More specifically, it is shaped so as to approach the center side of the socket member 46 as it advances forward in the insertion direction of the end member 48.

The cam portion 81 operates as follows. That is, when the end member 48 is pushed in the axial direction with respect to the socket member 46, the cam 81 is moved in the middle of the pushing.
8 contacts the flange 53 and then further end members 4
With the pushing in of 8, the cam portion 81 causes the pair of elastic legs 74 of the retaining clip 72 to elastically expand by the cam action.

As a result, the retaining clip 72 allows the flange portion 53 to pass therethrough, and when the flange portion 53 passes through the expanding movement of the retaining clip 72, the retaining clip 72 contracts due to its own restoring force. I do. At this time, the front end of the retaining clip 72 comes into contact with the flange portion 53 and the rear end comes into contact with the contact surface 82 of the notch portion 62, and the end member 48 from the socket member 46, that is, the connection pipe 36 To prevent slippage.

Next, the procedure of connection by the one-touch joint 38 of this embodiment will be described in detail below together with its operation. In this example, first, the end of the connection pipe 36 is connected to the faucet device 10, and in this state, the other end of the connection pipe 36 is connected to the supply pipe 26 by the one-touch joint 38, specifically, the tip of the supply pipe 26. Connect to stopcock 28. The procedure at that time is as follows.

First, the socket member 46 of the one-touch joint 38 is screwed to the water stopcock 28, and a retaining clip 72 is attached to the socket member 46 as shown in FIG. deep. At this time,
The retaining clip 72 is fitted to the socket member 46 from the direction perpendicular to the axis (see FIG. 3) and mounted. FIG. 8I shows the state at this time.

In this state, the end member 48 attached to the connection pipe 36 is inserted into the insertion opening 60 at the axial end of the socket member 46.
Through the socket member 46. During the insertion process, the male fitting surface 54 of the end member 48
(See FIG. 8 (II)), and then the flange portion 53 comes into contact with and comes into contact with the cam portion 81 of the retaining clip 72.

In this state, when the end member 48, that is, the connection pipe 36 is further pushed downward in the drawing, a pair of elastic legs of the retaining clip 72 is formed by the cam action of the cam portion 81 as shown in FIG. 74 follows the pushing of the connection pipe 36 and resiliently expands to allow the flange member 53 of the end member 48 to pass therethrough.

The flange portion 53 is provided with a retaining clip 72.
, And comes into contact with the stepped surface 65 of the socket member 46 and is accommodated in the concave portion 64, the retaining clip 72 contracts and moves with its own restoring force. And retaining clip 72
Is in a state in which the front end thereof is in contact with the flange portion 53 and the rear end thereof is in contact with the contact surface 82 of the notch portion 62, and the connection pipe 36 is prevented from coming off from the socket member 46 here. Becomes FIG. 8 (III) shows the state at this time.

FIG. 9 shows a procedure for extracting the connection pipe 36 from the socket member 46 and its operation. First, FIG.
As shown in (I) and (II), in order to pull out the connection pipe 36 from the socket member 46, a retaining clip 72 is required.
Is moved in the direction perpendicular to the axis and in the direction opposite to the mounting direction, so that the function of the stopper against the end member 48 is released.

Thereafter, the end member 48 is pulled out together with the connection pipe 36 upward in the drawing. Here, as shown in FIG. 9 (III), the end member 48 is pulled out from the socket member 46 in the axial direction. That is, the connection pipe 36 is separated from the supply pipe 26.

The one-touch joint 38 of the present embodiment as described above can be connected simply by simply inserting the end member 48 into the socket member 46. That is, it is possible to quickly and easily connect the supply pipe 26 provided with the socket member 46 and the connection pipe 36 provided with the end member 48 with one touch.

In addition, in the one-touch joint 38 of the present embodiment, since the retaining clip 72 is attached to the socket member 46 in a direction perpendicular to the axis, the connection between the end member 48 and the socket member 46 is particularly large. It is also possible to solve the problem that the diameter and size are increased and the appearance of the same portion is deteriorated.

In the one-touch joint 38 of the present embodiment, a main locking claw 79 and an auxiliary locking claw 80 are provided on the pair of elastic legs 74 of the retaining clip 72 as inward claws, while the socket member 46 has Locking recesses 84 for locking them
Is provided, the retaining clip 72 is attached to the socket member 4.
6 can be prevented from coming off, and the end member 48 can be well prevented from coming off the socket member 46 due to the removal of the retaining clip 72.

FIGS. 10 and 11 show another embodiment of the present invention. In FIG. 10, reference numeral 110 denotes a toilet bowl (Western style toilet), 112 denotes a toilet body, 114 denotes a toilet seat, 11
Reference numeral 6 denotes a toilet lid, and 118 denotes a washing tank for storing water for washing the toilet 110 therein.

In this example, the toilet bowl 110 is provided with a local cleaning device 120 for injecting water for cleaning from the nozzle 122 toward a local part of the human body. Also, as shown in FIG. 11, a ball tap 126 for supplying water to the inside of the cleaning tank 118 from the water discharging portion 124 or stopping the water supply in conjunction with the lifting and lowering of the floating ball 123 is provided inside the cleaning tank 118. I have.

The local cleaning device 120 and the ball tap 126 are connected to the supply pipe 26 projecting from the wall W via the connection pipe 36 at the one-touch joint 38 of this embodiment. Specifically, the local cleaning device 120 is connected to one branch port of the branch tap 127 connected to the water stopcock 28 at the tip of the supply pipe 26 by the one-touch joint 38 of the present example via the connection pipe 36, and A ball tap 126 is connected to the other branch port via a connection pipe 36 at a one-touch joint 38. Also in this example, the connection work can be performed with good workability in a narrow work space.

FIG. 12 shows still another embodiment of the present invention. In the figure, reference numeral 128 denotes a counter in the bathroom, and a washing faucet 130 is attached to a wall W formed by a front plate of the counter 128. In the figure, 132 is a faucet main body in the washing faucet 130, and 134
Is a water discharge pipe.

Reference numeral 135 denotes a shower head. The other end of the shower hose (connection pipe 36) connected to the shower head 135 is connected to the faucet main body 132 by a one-touch joint 38. Specifically, it is connected to the faucet main body 132 via the shower elbow 136. Also in this example, connection work can be easily performed with good workability.

The embodiment of the present invention has been described in detail, but this is merely an example. For example, in the present invention, the male pipe and the female pipe in the one-touch joint are connected to the connection pipe 3 respectively.
6, the water stopcock 28 or the supply pipe 26 may be integrally formed, or a female pipe may be separately provided on the connection pipe 36 side and a male pipe may be provided separately on the water stopcock 28 or the supply pipe 26 side. Alternatively, it is also possible to configure them integrally. Further, the present invention can be applied to a connection between a water-supply device other than the above example and a mating member, and can be configured in variously modified forms without departing from the gist thereof.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example in which a one-touch joint of the present invention is used for connecting a faucet device and a supply pipe.

FIG. 2 is an enlarged plan sectional view and a longitudinal sectional view of a main part showing the one-touch joint of the same embodiment and a peripheral portion thereof.

FIG. 3 is an exploded perspective view showing a one-touch joint of the same embodiment and a peripheral portion thereof.

FIG. 4 is an exploded longitudinal sectional view showing the one-touch joint of the same embodiment and a peripheral portion thereof.

FIG. 5 is a perspective view showing the one-touch joint of the same embodiment and a peripheral portion thereof before and after insertion of a connection pipe.

FIG. 6 is a diagram showing the socket member in the one-touch joint of the same embodiment in a single state.

FIG. 7 is a diagram showing the retaining clip of the one-touch joint of the same embodiment in a single state.

FIG. 8 is a diagram showing a connection procedure using a one-touch joint according to the same embodiment.

FIG. 9 is a diagram showing a procedure for disconnecting the connection by the one-touch joint of the same embodiment.

FIG. 10 is a diagram showing another embodiment of the present invention.

11 is a partial cross-sectional view showing a main part of FIG. 10 in an enlarged manner.

FIG. 12 is a diagram showing still another embodiment of the present invention.

FIG. 13 is a diagram showing an example of a conventional one-touch joint.

[Explanation of symbols]

 Reference Signs List 10 faucet device 26 supply pipe 36 connection pipe 38 one-touch joint 46 socket member (female pipe) 48 end member (male pipe) 53 flange part (projection part) 54 male fitting surface 62 notch part 66 female fitting surface 72 retaining Clip 74 Elastic leg 79 Main locking claw 80 Auxiliary locking claw 81 Cam part 84 Locking concave part 86 Locking surface 110 Toilet bowl 118 Cleaning tank 120 Local cleaning device (flooding device) 122 Nozzle 126 Ball tap (flooding device) 132 Water Stopper body

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2D038 JB05 2D039 BA07 CB01 2D060 AC03 3J106 AB01 BA01 BA02 BB01 BC04 BD01 BE21 BE29 CA03 EA03 EB02 EC01 EC07 ED33 ED35 ED36 EE02 EF04 EF05

Claims (11)

[Claims] 1. A female pipe having a female fitting face and a male fitting face having a male fitting face, and the male fitting face is inserted into the female pipe in the axial direction and the female fitting face is fitted to the female fitting face. A male pipe to be fitted to the surface, and (c) the male pipe is attached to the female pipe in a direction perpendicular to the axis and is elastically expandable and contractable, and the male pipe is separated from the female pipe in the contracted state. A stopper clip for preventing the clip from coming off, and (d) a projection that protrudes from the outer peripheral surface of the male pipe when the male pipe is inserted, and the retaining clip is expanded by the insertion movement of the male pipe. A cam portion that allows the protrusion to move axially to the retaining position with respect to the retaining clip, wherein the retaining clip contracts and moves to prevent the male tube from being removed at the retaining position. The retaining clip is further provided with a pair of elastic legs, and each of the elastic legs has the retaining clip. Is provided as an inward claw facing in a direction approaching each other, while a locking claw for preventing the female tube from falling out of the female tube in a direction perpendicular to the axis and in a direction opposite to the mounting direction is provided. A one-touch joint having a locking concave portion for locking a claw. 2. The assisting device according to claim 1, wherein the retaining leg is retained by the elastic leg of the retaining clip in the retaining concave portion while the retaining clip is mounted on the female pipe. A locking claw and a main locking claw that locks in the locking recess when the retaining clip moves a predetermined distance in a direction perpendicular to the axis with respect to the female pipe are provided at different positions of the elastic legs. One-touch joint characterized by: 3. The device according to claim 2, wherein the main locking claw is provided on the distal end side of the elastic leg with respect to the auxiliary locking claw and at a smaller interval than the interval between the auxiliary locking claw. One-touch joint featured. 4. The one-touch joint according to claim 1, wherein the cam portion is formed integrally with the retaining clip. 5. The female tube according to claim 1, wherein the cam portion approaches a center side of the female tube as the cam portion advances forward in the inserting direction of the male tube. One-touch joint. 6. The one-touch joint according to claim 1, wherein the retaining clip is attached to a notch formed by notching the female pipe in a circumferential direction. 7. The one-touch joint according to claim 1, wherein the one-touch joint connects a connection pipe extending from a plumbing device to a supply pipe of water or hot water. 8. The one-touch joint according to claim 7, wherein the plumbing device is a faucet device. 9. The one-touch joint according to claim 7, wherein the plumbing device is a ball tap that supplies water to a washing tank that stores therein water for washing a toilet. 10. The one-touch joint according to claim 7, wherein the plumbing device is a local cleaning device that is provided in a toilet and injects water for cleaning from a nozzle to a local part of a human body. 11. The one-touch joint according to claim 1, wherein the one-touch joint connects a shower hose and a faucet body.