JPH09257180A - Connection structure of faucet main body with stop cock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a faucet main body and connection structure with a stop cock which makes connection work easy even in a narrow space. SOLUTION: A hose 1 extending from a faucet main body is connected to a stop cock 6, a male coupler 2 is arranged at the tip part of a hose 1, and a female coupler 9 in which a check valve mechanism 14 is built in on the a stop cock 6 side is arranged. When the male coupler 2 is inserted into the female coupler 9 by utilizing the bending of the hose 1, an engaging member 17b arranged in the female coupler 9 is fit to an engaging recess 3 formed on the side surface of the male coupler 2 by being pressed with a locking member 20 by the action of a coil spring 21, and the male coupler 2 and the female coupler 9 are connected. By handling the hose 1 by one hand and fitting the male coupler 2 formed at the tip of the hose 1 to the female coupler 9 on the stop cock 6 side, both couplers 2, 9 are connected, and a faucet main body side and the stop cock 6 side are connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure between a faucet body and a water stopcock.

[0002]

2. Description of the Related Art A conventional connection structure of this type is, for example, as shown in FIG. That is, a copper pipe 41 extending from a faucet body (not shown) such as a hot and cold water mixing faucet to supply water or hot water to the faucet body is connected to a water stopcock 42 by a check valve storage nut 43. To the connector via a connector 44. The connector 44 includes a socket 45, a packing 46, a washer 47, a gold ring 48 and a nut 49.
It is composed of The socket 45 has a through hole 45 penetrating vertically in the center thereof and into which the copper pipe 41 is inserted from above.
a is formed, and the lower end has a check valve storage nut 43.
Screwed into. A packing 46 is mounted on the upper surface of the socket 45 so as to be coaxial with the through hole 45 a of the socket 45, and a washer 47 is mounted on the packing 46 so as to be coaxial with the through hole 45 a of the socket 45. ing. Then, the nut 49 is screwed into the screw portion 45b formed on the side surface of the upper end portion of the socket 45,
Installed. The nut 49 includes an upper wall portion 49a that covers the upper end portion, and a tapered hole 49b that penetrates vertically in the center of the upper wall portion 49a and has an upper end that is coaxial with the through hole 45a and spreads downwardly. Are formed. A gold ring 48 is attached in the vicinity of the lower end of the tapered hole 49b in advance so that the outer periphery of the gold ring 48 contacts the hole 49b.

To connect the copper pipe 41, first, with the faucet main body temporarily fixed to a mounting surface such as a top plate, the copper pipe 41 attached to the faucet main body is connected to a connecting member 44 below the copper pipe 41. Cut to the required length according to the distance. Then, the nut 49 of the connector 44 is loosened in advance, the copper pipe 41 is bent and bent, and the copper pipe 41 is held by one hand, and the copper pipe 41 is inserted into the hole 49b from above the nut 49 of the connector 44, and the gold The ring 48, the washer 47, and the packing 46 are passed and inserted into the through hole 45 a of the socket 45. In order to hold the copper tube 41 in this insertion position, the nut 49 is tightened with the other hand while holding the copper tube 41 with one hand. Then, the gold ring 48 incorporated in the connector 44 is pushed by the washer 47 above the tapered hole 49b of the nut 49 and tightens the outer circumference of the copper pipe 41. Thus, the copper pipe 41 is firmly connected to the connector 44. Then, finally, the faucet body is finally fixed to a mounting surface such as a top plate to complete the process.

[0004]

By the way, in the connection structure of the faucet body and the water stopcock 42 using the conventional connector 44, when connecting the copper pipe 41 to the connector 44, one of While holding the copper tube 41 by hand so that it does not return upward from the predetermined position of the socket 45, work with both hands at the same time, such as tightening the nut 49 with the other hand. It was very difficult to connect in a small space.

The present invention has been made in order to solve the above-mentioned conventional drawbacks, and an object thereof is to provide a connection structure between a water faucet body and a water stopcock that can be easily connected even in a narrow space. To provide.

[0006]

In order to achieve the above-mentioned object, a connection structure between a water faucet body and a water stopcock according to the present invention is provided.
It has the following configuration. That is, a connection structure for connecting a flexible pipe extending from the faucet body to supply water or hot water to the faucet body to the water stopcock, wherein the tip of the pipe and the water stoppage A male coupler is provided on one of the plug side and a female coupler on the other side. When the male coupler is inserted into the female coupler, both are connected. With this, by holding the pipe with one hand and using the bending or bending of the pipe, the coupler provided on the tip end thereof is simply fitted into the coupler on the water stopcock side to connect the two, and therefore the faucet body Side and the water stopcock side are connected.

Further, there is provided a structure for connecting a flexible pipe extending from the faucet body and supplying water or hot water to the faucet body to the water stopcock, wherein the tip portion of the pipe and the A male coupler is provided on one of the water tap sides and a female coupler is provided on the other side. When the male coupler is inserted into the female coupler, the engaging recess provided on the side surface of the male coupler is pressed into the engaging member provided in the female coupler to fit the male coupler into the male coupler. It is characterized in that it is connected to a female coupler. This makes it possible to hold the pipe with one hand and use the bending or bending of the pipe to fit the coupler provided at the tip of the pipe into the coupler on the water stopcock side to form the connector formed on the side surface of the male coupler. The engaging member provided in the female coupler is pressed and fitted into the fitting recess to connect the male coupler and the female coupler, so that the faucet body side and the water stopcock side are connected.

Further, it is desirable that the coupler provided on the side of the water stopper has a built-in check valve mechanism. If the check valve mechanism is built-in, it is necessary to interpose a check valve device such as a check valve unit, which is separate from the coupler, between the water stopper and the coupler provided on the water stopper side. Disappear.

Further, when the engaging member of the female coupler is fitted into the engaging recess of the male coupler, the locking member provided in the female coupler is moved from the engaging recess of the engaging member. It is desirable to lock the engagement member so as to prevent the engagement member from being removed. This locking member locks the engagement member of the female coupler and prevents the engagement member from being pulled out from the engagement recess of the male coupler, so that the male coupler is securely connected. , Coupled to a female coupler.

When the engaging member is fitted into the engaging recess, the engaging member has an engaging position for engaging the engaging member and a releasing position for releasing the engaging member. It is desirable that it can be moved between and is elastically biased toward the locking position. With this, when the male coupler and the female coupler are connected, if the locking member in the locking position is manually moved to the release position against the urging force, the locking member will not move. Since the locking is released, the engagement member of the female coupler can be removed from the engagement recess of the male coupler, and the male coupler and the female coupler can be separated.

Further, the female coupler includes a lock member, and the lock member has a lock position for preventing the lock member from moving to the release position when the lock member is in the lock position. , May be movable to and from an unlocked position that allows its movement. Thus, when the locking member is at the locking position, the locking member is moved to the locking position to prevent the locking member from moving to the release position, thereby connecting the male coupler and the female coupler. Will be more certain.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a connection structure between a water faucet body and a water stopcock according to the present invention will be described below with reference to the drawings.

1 and 2 show a first embodiment of a connection structure between a faucet body and a water stopcock according to the present invention. In the figure, 1 is a hose such as a blade hose that is easily bent or bent, for example, a soft hose made of synthetic resin is coated with stainless steel on the outer periphery thereof as an example of a flexible tube. It is attached so as to extend from a faucet body (not shown) such as a hot and cold water mixing faucet fixed to a plate or the like, and supplies water or hot water to the faucet body. A cylindrical metal male coupler 2 is provided at the lower end which is the tip of the hose 1. On the side surface of the male coupler 2, an engagement recess 3 having a substantially trapezoidal vertical cross section is formed circumferentially, and the outer circumference of the tip end portion thereof is a small diameter portion 4 having a small diameter. Further, an inclined surface portion 5 is formed in a circumferential shape in a portion extending from the engagement concave portion 3 to the small diameter portion 4 at the tip portion.

On the other hand, the water stop plug 6 connected to the water supply source or the hot water supply source is attached to, for example, the wall surface 7 of the building, and the outlet 8 thereof is fitted with the male coupler 2 described above. The mating female coupler 9 is attached by screwing in the metal body 10. A check valve mechanism 14 including a valve body 11, a valve seat 12, a coil spring 13 and the like is built in the main body 10 of the female coupler 9, and the discharge valve 6 shown in FIG. Exit 8
Flow is allowed in the upward direction, but is blocked in the opposite downward direction. This female coupler 9
A socket 15 into which the male coupler 2 is inserted is attached above the main body 10 coaxially with the main body 10. Holes 16 and 16 penetrating the outer circumference and the inner circumference of the socket 15 are formed on the side surface near the upper end of the socket 15, and the holes 16 and 16 are engaged with the socket 15 so as to be movable in the radial direction of the socket 15. The mating members 17, 17 are inserted. The cylindrical shutter 1 is provided on the inner peripheral surface of the socket 15.
8 is attached so as to be movable up and down, and in the upper position state, the engaging members 17, 17 are restricted from projecting inward from the inner peripheral surface of the socket 15. The shutter 18 is elastically urged upward by a coil spring 19. A cylindrical locking member 20 is attached to the outer peripheral surface of the socket 15 so as to be vertically movable,
In the lower position state, a recess 20a is formed on the inner peripheral surface of the upper end portion so that the engaging members 17, 17 can project from the outer peripheral surface of the socket 15 (see FIG. 1). The locking member 20 is also elastically biased upward by the coil spring 21. A cylindrical lock member 22 is attached to the outer peripheral surface of the socket 15 below the locking member 20 so as to move up and down simultaneously with rotation.

The connection structure between the water faucet body and the water stopcock shown in the first embodiment has the above-mentioned structure, and its function and effect will be described below. When the male coupler 2 at the tip of the hose 1 extending from the faucet body is held by hand into the female coupler 9 attached to the water stopper 6, and the hose 1 is bent or bent to fit, the male coupler Inclined surface portion 5 of coupler 2
However, the shutter 18 provided on the inner peripheral surface of the socket 15 of the female coupler 9 is pushed in. Then, when the tip of the male coupler 2 is inserted to a position where it abuts on the packing 23 attached to the inner peripheral surface of the main body 10 of the female coupler 9, the engaging recessed portion 3 of the male coupler 2 becomes a female type. It faces the engaging members 17, 17 of the coupler 9. Then, the engaging members 17, 17
Is locked by the biasing force of the coil spring 21.
0 is pressed against the inclined surface 20b of the recess 20a and the socket 1
5 and is fitted into the engagement recess 3 of the male coupler 2, at the same time, the locking member 20 moves from the lower releasing position to the upper locking position, and the side surface thereof engages the engaging member. 17,
By locking 17 the engaging members 17, 17 are prevented from coming out of the engaging recess 3. Further, when the lock member 22 is rotated from the unlocked position, the lock member 22 moves upward simultaneously with the rotation and reaches the lock position. In this locking position, the locking member 22 is positioned so as to press the lower end surface of the locking member 20, and the locking member 2
The movement of 0 to the release position is blocked (see FIG. 2). In this way, the male coupler 2 and the female coupler 9 are connected by simply holding the hose 1 with one hand and fitting the male coupler 2 provided at the tip thereof into the female coupler 9 on the side of the water stopcock 6. Therefore, the faucet body side and the water stopcock 6 side are connected. Therefore, it is not necessary to use both hands at the same time,
Even in a narrow place, the faucet body side and the water stopcock 6 side can be easily connected. Further, by rotating the lock member 22 to the lock position, the connection between the male coupler 2 and the female coupler 9 is made more reliable.

In order to release the connection between the male coupler 2 and the female coupler 9, first, the lock member 22 is rotated from the lock position, and the lock member 22 is unlocked downward simultaneously with the rotation. Move to position. By doing so, the locking member 20 can be moved to the lower unlocked position, and then the locking member 20 is moved from the upper locked position to the lower unlocked position. Then, the locking member 2
Since the concave portion 20a of 0 comes to a position facing the engaging member 17, the engaging members 17 and 17 can be removed from the engaging concave portion 3 of the male coupler 2. Here, the male coupler 2
Is operated by the coil spring 19 so that the shutter 1
The male coupler 2 is urged upward through 8
The engaging members 17, 17 fitted in the engaging recess 3 are moved upward so as to be pushed out by the lower slope 3a of the trapezoidal shape of the engaging recess 3, and the connection with the female coupler 9 is released. . After that, the hose 1 is held by hand, and the male coupler 2 is pulled out by utilizing the bending or bending of the hose 1. As described above, the faucet body side and the water stopcock 6 side can be easily separated only by moving the lock member 22 to the lock release position and moving the locking member 20 to the lower release position. .

FIGS. 3 and 4 show a second embodiment of the connection structure between the faucet body and the water stopcock according to the present invention. In the second embodiment, the same parts as those in the first embodiment are designated by the same reference numerals.

Female coupler 3 incorporating check valve mechanism 14
The first metal main body 32 is integrally formed with the upper socket portion 33. The side surface of the socket portion 33 has a hole 3 penetrating so as to be wider toward the outer peripheral side of the socket portion 33.
4, 34 are formed in the holes 34, 34 so as to be movable in the radial direction and the vertical direction of the socket portion 33, and have a diameter larger than the width of the holes 34, 34 on the inner peripheral side and on the outer peripheral side. The spherical engagement members 35, 35 having a diameter smaller than the width of are inserted. Then, on the outer peripheral surface of the socket portion 33,
A cylindrical locking member 36 is attached so as to be movable up and down, and an inner peripheral surface of the engaging member 3 is provided near the upper portion thereof.
The engaging members 35 and 35 are in contact with the sockets 5 and 35 so as to prevent the engaging members 35 and 35 from moving to the outside of the side surface of the socket portion 33 (see FIGS. 3 and 4). Further, when the locking members 36, 36 are in the lower position (not shown), the engaging members 35, 35
A recess 36 a is formed on the inner peripheral surface of the upper end of the locking member 36 so that the socket can be moved to the outside of the side surface of the socket 33. Below the locking member 36, a cylindrical sleeve 37 is sandwiched between the locking member 36 and the socket portion 33.
Is mounted so that it can move up and down. This sleeve 37
In the outer peripheral surface of the lower end of the
7a are formed. And this sleeve 37 is
The coil spring 38 elastically urges upward, and presses the engaging members 35, 35 and the locking member 36 upward.

Also, the sleeve 37 on the outer peripheral surface of the main body 32
A lock member 39 having a cylindrical shape is rotatably attached to the lower side of, and a convex portion 39a which can be fitted into the concave portion 37a of the sleeve 37 is formed at an upper end portion thereof.

The connection structure between the water faucet body and the water stopcock shown in the second embodiment has the above-mentioned structure, and its function and effect will be described below. When the hose 1 extending from the faucet body is held by hand and the male coupler 2 at the tip thereof is inserted into the female coupler 31 attached to the water stopper 6 by utilizing the bending or bending of the hose 1, The inclined surface portion 5 of the mold coupler 2 pushes the engaging members 35, 35 of the female coupler 31. Then, the engaging members 35, 35 move outwardly obliquely downward while moving the sleeve 37 downward against the coil spring 38, and retract from the inner peripheral surface of the socket portion 33. Then, when the tip of the male coupler 2 reaches a position where it abuts on the packing 23 attached to the inner peripheral surface of the main body 32 of the female coupler 31, the engaging recessed portion 3 of the male coupler 2 becomes a hole of the socket portion 33. It comes to the position facing 34, 34. Then, the engaging members 35, 35 are pressed by the upper end of the sleeve 37 by the urging force of the coil spring 38, move upward and move inside the socket portion 33, and the engaging concave portion 3 of the male coupler 2 is pushed. Fit in. In this state, the locking member 36 locks the engaging members 35, 35 on the side surface thereof, so that the engaging member 3
5 and 35 are prevented from coming off the engaging recess 3.
Further, when the lock member 39 is rotated from the unlock position to the lock position, the convex portion 39a of the lock member 39 is positioned so as to restrict the movement of the lower end surface of the locking member 36 via the sleeve 37, The locking member 36 is prevented from moving to the release position (see FIG. 4). As described above, similarly to the connection structure between the faucet body and the water stopcock shown in the first embodiment, the male coupler 2 provided at the tip of the hose with one hand is attached to the water stopcock 6 side. Just by fitting it to the female coupler 31,
The male coupler 2 and the female coupler 31 are connected to each other, so that the faucet body side and the water stopcock 6 side are connected. Therefore, it is not necessary to use both hands at the same time, and it is possible to easily connect the faucet body side and the water stopcock 6 side even in a narrow space. Further, by rotating the lock member 39 to the lock position, the connection between the male coupler 2 and the female coupler 31 is further ensured.

The male coupler 2 and the female coupler 31 are also provided.
To release the connection with the lock member 39, first, the lock member 39 is rotated from the lock position to the lock release position so that the convex portion 39a of the lock member 39 faces the concave portion 37a of the sleeve 37. By doing so, the locking member 36 can be moved to the lower releasing position, whereupon the locking member 36 is moved from the upper locking position to the lower releasing position. Then, the locking member 3
Since the concave portion 36a of 6 comes to a position facing the engaging members 35, 35, the engaging members 35, 35 can be removed from the engaging concave portion 3 of the male coupler 2. Where the hose 1
When the male coupler 2 is pulled out from the female coupler 31 by using the bending or bending of the hose 1 by hand, the male coupler 2 is fitted into the engaging recessed portion 3. The engaged engagement members 35, 35 are pushed out by the trapezoidal lower slope 3 a of the engagement recess 3 and separated from the female coupler 31. In this way, the faucet body side and the water stopcock 6 side can be easily separated only by moving the lock member 39 to the lock release position and moving the locking member 36 to the lower release position. it can.

It should be noted that the present invention is not limited to the above-described embodiment, and various other modifications are possible. For example, the check valve mechanism 14 may include the female coupler 9,
It does not need to be provided in 31, and may be provided in another place. Further, the male coupler 2 is attached to the hose 1, and the female couplers 9 and 3 are attached to the water stopcock 6 side.
1, the female couplers 9 and 31 may be attached to the hose 1 and the male coupler 2 may be attached to the water stopper 6 side. Further, the lock member 39 is
It may not be provided in some cases. Further, the hose 1 is not limited to the blade hose shown in the embodiment as long as it has flexibility and can be bent or bent. For example, a flexible spiral copper tube or the like. It may be made of a metal tube, or a tube made of synthetic resin.

[0023]

As is clear from the above description, the connection structure between the faucet body and the water stopcock according to the present invention has the following effects.

According to the connection structure of the faucet body and the water stopcock according to the first and second aspects, the faucet body side and the water stopcock side can be easily connected by one hand operation even in a narrow space. be able to.

In the joint structure of the faucet body and the water stopcock according to the third aspect, the coupler is provided between the waterstop and the coupler provided on the waterstop side. It is not necessary to intervene a check valve device such as the check valve unit.

Further, according to the connecting structure of the faucet body and the water stopcock according to the fourth aspect, the water faucet body side and the water stopcock side can be reliably connected.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a main part of a connection structure between a water faucet body and a water stopcock according to the present invention in a state where a male coupler and a female coupler are separated from each other.

FIG. 2 is likewise a sectional view of a main part of a state in which a male coupler and a female coupler are connected.

FIG. 3 is a cross-sectional view of a main part of a connection structure between a water faucet body and a water stopcock according to a second embodiment of the present invention in which a male coupler and a female coupler are separated from each other.

FIG. 4 is a cross-sectional view of a main part of a state in which a male coupler and a female coupler are similarly connected.

FIG. 5 is a sectional view of an essential part of a conventional connection structure between a water faucet body and a water stopcock.

[Explanation of symbols]

 1 Hose (Pipe) 2 Male Coupler 3 Engagement Recess 6 Water Stopper 9 Female Coupler 17 Engaging Member 20 Engaging Member 22 Locking Member 31 Female Coupling 35 Engaging Member 36 Engaging Member 39 Locking Member

Claims (4)

[Claims] 1. A structure for connecting a flexible pipe, which is connected so as to extend from a faucet body and supplies water or hot water to the faucet body, to a water stopcock. A male coupler is provided on either one of the tip end portion and the water stopcock side, and a female coupler is provided on the other side, and when the male coupler is inserted into the female coupler, both of them are connected. The featured connection structure between the faucet body and the water stopcock. 2. A structure for connecting a flexible pipe, which is connected so as to extend from the faucet body and supplies water or hot water to the faucet body, to a water stopcock. A male coupler is provided on either one of the tip portion and the water stopper side, and a female coupler is provided on the other side, and when the male coupler is inserted into the female coupler, it is formed on the side surface of the male coupler. A water faucet body and a water stopcock, characterized in that the male type coupler and the female type coupler are connected to each other by pressing and fitting the engaging member provided in the female type coupler into the engaging concave portion. Connection structure. 3. The coupler provided on the water stop side comprises:
The check valve mechanism is built-in.
Alternatively, the connection structure between the water faucet body and the water stopcock according to item 2. 4. When the engaging member of the female coupler is fitted into the engaging recess of the male coupler, a locking member provided in the female coupler is provided from the engaging recess of the engaging member. The connection structure between the faucet body and the water stopcock according to claim 2 or 3, wherein the engagement member is locked so as to prevent the removal of the faucet.