JP3000269B2 - Channel connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a channel connecting device,
In particular, the present invention relates to a flow path connection device including a fluid outlet having a connection port for flow path connection, and a plug body having a plug detachably connected to the connection port.

[0002]

2. Description of the Related Art FIG. 7 is a front view of a conventional hot water outlet (9), and FIG. 8 is a perspective view of a plug body (8) connected to the hot water outlet (9) of FIG. 9 is a sectional view taken along the line IX-IX of the plug body (8) in FIG. The above-mentioned hot water outlet (9) as a fluid outlet is a wall-mounted type, and as shown in FIG. 7, a pair of connection ports (91) and (92) for connecting a hot water circulation path is opened to the front side. It has a configuration. The plug body (8) of FIG. 8 attached to the hot water outlet (9) is provided with a pair of plugs (81) and (82) detachably connected to the connection ports (91) and (92). ing.

As shown in FIG. 7, the hot water outlet (9) has a hole (93) opened to the front side, and the plug body (8) has a hole (93). As shown in FIG. 7, a lock lever (83) extending along the plugs (81) and (82) is mounted. Further, an operation member (84) projecting upward is provided on the upper surface of the plug body (8), and an inner end of the operation member (84) is rotatable by a lock lever (83). It is connected to.

In this case, plugs (8) are connected to connection ports (91) and (92).
1) When (82) is connected, as shown in FIG. 9, the protruding portion of the lock lever (83) is engaged with the engaging projection (93a) of the hole (93) in a retaining state. By this engagement, hot water outlet (9)
The plug (8) and the plug (8) are locked, and the connection between the connection ports (91) (92) and the plugs (81) (82) is maintained. Therefore, in this state, the plugs (81) and (82) are not accidentally pulled out from the connection ports (91) and (92).

When the operating member (84) is pushed in,
The lock lever (83) rotates, whereby the engagement between the lock lever (83) and the hole (93) is released. In this released state, the plugs (81) and (82) can be pulled out from the connection ports (91) and (92). Unless the operation member (84) is pushed in, the locked state between the hot water outlet (9) and the plug body (8) is not released, and the connection ports (91) (92) and the plugs (81) (82) are not released. ) Is maintained.

[0006]

However, the operating member (8
4) protrudes above the plug body (8), so that if a child touches from above or an object falls from above and a load acts on this operating member (84) carelessly from above, The operating member (84) is pushed in, and the hot water outlet (9) and plug
The locked state with (8) is released. Therefore, in this case, the plug body (8) might fall out of the hot water outlet (9) carelessly.

An object of the present invention is to prevent a plug body from falling off even when a load is applied carelessly from above.

[0008]

Means for Solving the Problems To solve the above-mentioned problems, the solution of the present invention is as follows: a wall-mounted fluid outlet having a connection port for connecting a flow path; A plug body having a plug that is freely connected;
A lock lever provided on the plug body and for locking the fluid outlet and the plug body in the flow path connection state, wherein an operating member interlocked with the lock lever and protruding from the plug body surface is pushed in. In the channel connection device for releasing the lock, the fluid outlet and the plug body are used for simultaneous connection of two channels, and the connection port and the plug are provided in a pair, each being arranged in a horizontal direction, and being connected to the plug. A pair of hoses extending from below are separately connected within the casing of the plug body, and the tip of the lock lever is engaged with an engaged portion provided in the fluid outlet by vertically rotating the lock lever. The lock lever is disposed between the plugs, and the lock lever is pivotally moved downward at an inner end thereof. The operating member protrudes from a side of the plug body, an interlocking mechanism is interposed between the operating member and the lock lever, and protrudes and retracts at respective symmetrical positions of the opposing side surfaces of the casing. The interlocking mechanism is configured to convert the pressing force acting on the operating member into rotation of the lock lever in the disengagement direction, and the first interlocking mechanism extends from each of the operating members into the casing. A second piece, a second piece rotatably connected to an inner end of the lock lever and extending downward, each of the first pieces and the second piece being separately connected, and First
And a pair of third pieces for moving the second piece downward as the pieces approach each other. "

In this case, the tip end of the lock lever provided on the plug body is engaged with the engaged portion provided on the fluid outlet, so that the fluid outlet and the plug body are in the above-described flow path connection state. Locked to. When the operation member protruding from the side of the plug body is pressed, the pressing force is converted into rotation of the lock lever in the disengagement direction by the interlocking mechanism, whereby the engagement between the lock lever and the engaged portion is changed. Is canceled. In this state, the plug can be pulled out from the connection port.

That is, when each of the operating members is pressed,
Each of the first pieces extending into the casing from each of these operating members approach each other, and a second piece connected to each of these first pieces via each of the third pieces is moved downward. Go to With the downward movement of the second piece, the inner end of the lock lever connected to the second piece rotates downward,
Thereby, the engagement between the lock lever and the engaged portion is released. In this case, since the operating member protrudes from the side of the plug body, even if a load acts on this plug body from above carelessly, the operating member is not pushed in. In this configuration, since the sum of the pressing forces acting on each of the operation members is converted into rotation of the lock lever in the disengagement direction, only one of the operation members is pushed to move the lock lever in the disengagement direction. In such a case, the force required to push the one operation member (turn the lock lever) is greatly increased. Therefore, it is difficult to release the lock by pressing only one of the operation members, and also in this regard, careless release of the lock is prevented. In this case, since only one pair of operating members need to be pushed simultaneously for unlocking, the operation of the operating member for unlocking is simplified. Further, the operating members are provided so as to be able to protrude and retract at respective symmetrical positions of the opposing side surfaces of the casing of the plug body, and these operating members are configured to be pushed into each other in the approaching direction. It is easy to apply a pressing force to each of the operation members by hand.
Therefore, also in this respect, the operation of the operation member is simplified.

[0011]

According to the present invention, as described above, even if a load is applied to the plug body from the upper side carelessly, the operating member is not pushed in. At this time, the lock between the hot water outlet and the plug body is locked. The status is not released. Therefore, the plug body does not fall off carelessly.

[0012]

[0013]

[0014]

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings. FIG. 1 is a view showing a connection state between a hot water outlet (1) and a plug body (2) according to an embodiment of the present invention, and FIG. 2 is a front view of the hot water outlet (1) in FIG. 3 is a rear view of the plug body (2) of FIG.

FIG. 4 is a sectional view of the plug body (2) of FIG.
FIG. 5 is a front view of the plug body (2) of FIG. 3 with the front side portion of the casing (20) removed, and FIG. 6 is a cross-sectional view of FIG. It is the perspective view seen from the bottom explaining operation of (6). In FIG. 4, the lock lever (4) is not sectioned, and the interlocking mechanism (6) is sectioned at a position shifted from the IV-IV toward the operation member (3a).
In FIG. 5, the hot water hoses (53) and (54) are omitted.

As shown in FIG. 1, the flow path connecting device of this embodiment includes a heater (K ₁ ) for heating hot water outdoors and a radiator (K ₂ ) for releasing heat of the hot water indoors. To connect the hot water circuit between The flow path connecting device includes a hot water outlet (1) attached to the distal end of a pair of hot water pipes (51) (52) extending from the heater (K ₁ ) and constituting a part of the hot water circulation path. ), And a plug body (2) attached to the tip of a pair of hot water hoses (53) and (54) extending from the radiator (K ₂ ) and constituting another part of the hot water circulation path. Have been.

[About Hot Water Outlet (1)] As shown in FIG. 1, the hot water outlet (1) is installed on the indoor wall surface. As shown in FIG. A pair of connection ports (11) (1
2) is provided. These connection ports (11) and (12) are formed in the block body (1a) built in the hot water outlet (1) and exposed from the opening (10) on the front side, and are arranged side by side in the horizontal direction so as to open to the front side. Have been. And these connection ports (1
Valve bodies (16) and (17) for closing these connection ports (11) and (12) are mounted on the inner ends of 1) and (12), respectively.

As shown in FIG. 2, the hot water outlet (1) is formed with a hole (13) having a rectangular cross section opened to the front side between the connection ports (11) and (12). As shown in FIGS. 2 and 4, the hole (13) has an engagement piece (1) projecting inward (upward) from a part (lower end) of the front end thereof.
3a) is provided. [Regarding Plug Body (2)] As shown in FIGS. 3 and 4, the plug body (2) includes plugs (21) and (22) detachably connected to the connection ports (11) and (12). And a casing (20) for accommodating the plugs (21) and (22) such that the tip side portions of the plugs (21) and (22) are exposed.

* Casing (20) * As shown in FIGS. 3 and 4, the casing (20) has a hollow rectangular parallelepiped main body (20a) and an oval cross section projecting from the back of the main body (20a). And a cylindrical body (20b). As shown in FIGS. 4 and 5, a pair of side walls (201) opposed to each other with the wall (210) on the back side (connection ports (11) and (12)) in the main body (20a). (202) has rectangular through holes (24) (2
5) is formed.

Specifically, the through holes (24) and (25) are
01) and (202) at a position facing the space (200) between the wall (210) and the hot water hoses (53) and (54) to be described later. Is formed. The operation members (3a) and (3b) described later are individually inserted into the through holes (24) and (25). As shown in FIG. 4, the main body portion (20a) has a configuration in which a rear side portion and a front side portion are separably coupled to each other, and the through holes (24) and (25) are formed in the rear side portion. Are located in

A block-shaped holder (23) for holding the plugs (21) and (22) is fixedly accommodated in the cylinder (20b). The holding body (23) has the plugs (21) and (22) so that the plugs (21) and (22) are parallel to the axis of the cylindrical body (20b) and the plugs (21) and (22) are arranged in a horizontal direction. ) In the middle of the axial direction. As a result, the tip side portions of the plugs (21) and (22) are
Projecting toward the open end side of the cylindrical body (20b).

The cylindrical body (20b) surrounds the distal end portion of the plugs (21) and (22), whereby the plugs (21) and (22)
The adhesion of dust and the like to the plug (21) (2
The plugs (21) and (22) are prevented from being damaged by hitting the object (2). * Plugs (21) and (22) * O-rings (21a) and (22a) are mounted on the outer peripheral surface of the tip side portion of the plugs (21) and (22) as shown in FIGS. I have. These O-rings (21a) (22a) are plugs (21) (2
In order to maintain a watertight state between the peripheral surfaces of the connection ports (11) and (12) and the plugs (21) and (22) in a state where 2) is inserted and connected to the connection ports (11) and (12) described above. Things.

Further, as shown in FIG. 3, the plugs (21) and (22) have valve bodies (26) and (27) for closing their flow paths, respectively. Then, with the connection of the plugs (21) and (22) to the connection ports (11) and (12), the valve bodies (26) and (27) and the connection ports of these plugs (21) and (22) are connected.
(11) (12) With the plugs (16) and (17) open, and with the plugs (21) and (22) withdrawn from the connection ports (11) and (12), these valve plugs are removed. Each part is configured so that (16), (17), (26), and (27) close.

Furthermore, the base end portions of the plugs (21) and (22) are located in the main body portion (20a), and the hot water hose (53) from the heater (K ₁ ) is provided in this portion. ) (54) are connected in communication from below. The hot water hoses (53) and (54) are connected to the plugs (21) and (22) with the front side of the main body (20a) removed from the casing (20). * Lock lever (4) * Plug body (2) has a hot water outlet as shown in Fig. 4.
A lock lever (4) that is inserted into the hole (13) of (1) and engages with the hole (13) in a retaining state is mounted.

The lock lever (4) is rod-shaped, and is inserted through an insertion hole (230) penetrating in the axial direction between the plugs (21) and (22) of the holder (23). Also, this lock lever
In the middle of (4), a horizontal support shaft (43) erected on the holder (23) penetrates through the insertion hole (230). Further, the outer end of the lock lever (4) is connected to the cylinder (20) from the holder (23).
b) projecting toward the open end side, and the outer end thereof has a claw shaped to engage with the engagement piece (13a) of the hole (13) described above.
(41) is formed. Therefore, in this device, the claw portion (41) is engaged or disengaged with the engagement piece (13a) by the vertical rotation of the lock lever (4).

In the insertion hole (230), a spring () for urging the lock lever (4) in a direction in which the engagement between the claw (41) and the engagement piece (13a) is maintained. 4a) is provided.
Further, the inner end of the lock lever (4) is
a) located at the inner end of the support shaft (43).
A connection shaft (42) is provided which is parallel to. The connecting shaft (42) is connected to the lock lever (4) and an interlocking mechanism (6) described later.
Are connected rotatably.

* Operation members (3a) (3b) and interlocking mechanism (6) * This plug body (2) is used to release the engagement between the lock lever (4) and the hole (13). An operating member (3a) (3b) and an interlocking mechanism (6) are provided. The operation members (3a) and (3b)
As shown in FIG. 5, it is formed in a rectangular parallelepiped shape, and protrudes from the outer surfaces of the side wall portions (201) and (202) in such a manner as to be inserted through the through holes (24) and (25). In addition, these operating members (3a) (3b)
Is configured such that its inner ends (31) and (32) are located inside the side walls (201) and (202) and engage with the peripheral edges of the through holes (24) and (25). This prevents the operating members (3a) and (3b) from coming out of the through holes (24) and (25) to the outside.

The interlocking mechanism (6) is for interlocking the operation members (3a) (3b) and the lock lever (4). Specifically, as shown in FIG. ) (3b), first pieces (61) (62) extending horizontally in the space (200) described above,
A second piece (63) connected to the inner end of the lock lever (4) and extending into the space (200); and a first piece (61) in the space (200).
(62) and a third piece (64) (65) for separately connecting the tip of the second piece (63).

As shown in FIGS. 4 and 5, the first piece portions (61) and (62) have convex portions (61a) projecting from the back surface of the rod-shaped main body.
(62a), and these projections (61a) (62a) fit into guide grooves (66) (67) formed on the wall (210) so as to extend along the rod-shaped main body. Have been. Therefore, the first pieces (61) and (62) are formed by the through holes (24) and (25) and the guide grooves.
According to (66) and (67), it is held slidably in the approaching / separating direction.

As shown in FIGS. 4 and 5, the upper end of the second piece 63 is formed so as to straddle the inner end of the lock lever 4 from below. In each of the opposing portions of the lock lever (4) sandwiching the lock lever (4), an insertion portion (63a) is formed as a hole through which the connection shaft (42) of the lock lever (4) is inserted with a margin. I have. These insertion parts (63a)
And the second piece (63) is locked by the lock lever by the connecting shaft (42).
(4) is rotatably connected to the inner end.

As shown in FIG. 5, the second piece 63 extends below the first pieces 61 and 62. The second piece 63 has a distal end. The third piece (64) (65) connected to
They are arranged in an inclined posture that rises toward the first piece portions (61) and (62). [Use of hot water outlet (1) and plug body (2)] In this case, as shown in FIGS. 1 and 4, the plugs (21) and (22) of the plug body (2) are connected to the hot water outlet (1). Connection
(11) When inserted and connected to (12), these two valve bodies (16) (17)
(26) and (27) are opened, so that the heater (K ₁ ) and the radiator
(K ₂ ) is connected.

When the plugs (21) and (22) are connected to the connection ports (11) and (12), the lock lever (4) is inserted into the hole (13) of the hot water outlet (1). At this time, the claw (41) of the lock lever (4) comes into contact with the engagement piece (13a) of the hole (13), and the lock lever (4) resists the urging force of the spring (4a). To rotate. When the claw (41) has passed over the engagement piece (13a), the lock lever (4) is rotated in the opposite direction by the urging force, and the claw (41) is moved to the engagement piece (13a). Located on the inner side of. As a result, the lock lever (4) is engaged with the hole (13) in a retaining state, and the hot water outlet (1) and the plug
(2) is locked in the connection state.

In this locked state, since the lock lever (4) is urged in the engagement maintaining direction by the spring (4a), the locked state is stable. To release the locked state, the operating members (3a) and (3b) protruding from the side walls (201) and (202) of the plug body (2) are simultaneously pushed in. By this pushing, the interlocking mechanism (6) and the lock lever (4) are changed from the solid line state in FIG. 6 to the dotted line state. That is, the first pieces (61) and (62) approach each other due to the pressing. At this time, the third pieces (64) and (65) are arranged in an inclined posture that rises from the connection with the second piece (63) toward the connection with the first pieces (61) and (62). As the first pieces (61), (62) approach each other, the second piece (63) moves downward.

With the downward movement of the second piece (63), the inner end of the lock lever (4) moves downward, and the lock lever (4) is pressed against the urging force of the spring (4a). Rotate against. That is, each of the pressing forces acting on the operating members (3a) and (3b) is converted into a rotation of the lock lever (4) in the disengagement direction by the interlocking mechanism (6). By the rotation of the lock lever (4), the claw (41) is separated from the engagement piece (13a), and the engagement between the lock lever (4) and the hole (13) is released. That is, the locked state between the hot water outlet (1) and the plug body (2) is released.

Thereafter, when the plugs (21) and (22) are pulled out from the connection ports (11) and (12) while the operating members (3a) and (3b) are pushed in, the plug body (1) is pulled out of the hot water outlet (1). 2) is removed. In addition, with the withdrawal of the plugs (21) and (22) from the connection ports (11) and (12), these two valve bodies (16), (17), (26), and (27) close, and Connection port (11) (12) and plug (21) (22)
Outflow of water from the water is prevented.

Thereafter, when the pushing of the operating members (3a) and (3b) is released, the lock lever is actuated by the urging force of the spring (4a).
(4) The interlocking mechanism (6) and the operating member (3) return to the position before the pushing. During the disengagement of the lock lever (4), the lock lever (4) rotates about the support shaft (43) while the second piece (63) moves downward. Insertion part (63a) of the second piece part (63) constituting the connection part of
And the movement trajectory of the connecting shaft (42) of the lock lever (4) do not match. However, since the connecting shaft (42) is inserted with a margin into the insertion portion (63a), the downward movement of the second piece (63)
Further, the lock lever (4) can be rotated.

Further, in this apparatus, when the plugs (21) and (22) are connected to the connection ports (11) and (12), the lock lever (4) is turned up and down. (6) and the operating members (3a) and (3b) move in the same manner as in the above-described disengagement operation. In this device, the operating members (3a) and (3b) are plug bodies
Since it protrudes from the side walls (201) and (202) of (2), an infant may reach down or drop an object against the plug (2), and On the other hand, even if a load acts carelessly from above, the operating members (3a) and (3b) are not pushed in, and the locked state between the hot water outlet (1) and the plug body (2) is not released. Therefore, the plug body (2) does not fall off carelessly.

In this embodiment, the sum of the pressing forces acting on each of the operating members (3a) and (3b) is converted into the rotation of the lock lever (4) in the disengagement direction. (3a)
If only one of the members (3b) is pushed to rotate the lock lever (4) in the disengagement direction, the force required to push the one operating member (turn the lock lever) is greatly increased. Therefore, it is difficult to release the lock by pressing only one of the operation members, and also in this regard, careless release of the lock is prevented.

In this case, since only one operating member needs to be pushed simultaneously for unlocking, the operation of the operating member for unlocking is simplified. Also, operation members (3a) (3b)
Are mounted on the side walls (201) and (202) of the plug body (2) in a penetrating state, and these operating members (3a) and (3b) are configured to be pushed into each other in the approaching direction. 2) It is easy to apply a pressing force to each of the operation members (3a) and (3b) from the hand holding the.
Therefore, also in this respect, the operation of the operation members (3a) and (3b) is simplified.

In this case, since the lock lever (4) is disposed between the plugs (21) and (22), these plugs (21) (2)
The arrangement space for 2) and the lock lever (4) is made more efficient. In addition, the operating members (3a) and (3b) are
3) It is located at a position facing a space (200) between the wall (54) and the wall (210), and in this space (200), the first piece (61) of the interlocking mechanism (6).
(62), the second piece (63) and the third piece (64) (65) are arranged, so that these hot water hoses (53) (54) and the operating members (3a) (3
The space for the arrangement of b) and the interlocking mechanism (6) is made more efficient.

[Other Embodiments] In the above embodiment, the operation member is configured to protrude from the side wall portions (201) and (202) of the plug body (2).
For example, as long as the configuration protrudes from the side portion of the plug body (2), the configuration protrudes from a wall portion (a front side configuration wall) opposed to the wall portion (210) in the casing (20) of the plug body (2). Is also good. Further, in the above embodiment, the pair of connection ports and the pair of plugs for simultaneous connection of the two flow paths are used for connection of the hot water circulation path. It may be used.

[0043]

[Brief description of the drawings]

FIG. 1 is a diagram showing a connection state between a hot water outlet (1) and a plug body (2) according to an embodiment of the present invention.

FIG. 2 is a front view of the hot water outlet (1) of FIG.

FIG. 3 is a rear view of the plug body (2) of FIG. 1;

FIG. 4 is a sectional view taken along the line IV-IV of the plug body (2) of FIG. 3;

5 is a front view of the plug body (2) of FIG. 3 with a front side portion of a casing (20) removed.

6 is a bottom perspective view illustrating the operation of the interlocking mechanism (6) of FIG. 5;

FIG. 7 is a front view of a conventional hot water outlet (9).

8 is a perspective view of a plug body (8) connected to the hot water outlet (9) of FIG. 7;

9 is a sectional view taken along the line IX-IX of the plug body (8) of FIG. 8;

[Explanation of symbols]

 (1) ・ ・ ・ Hot water outlet (2) ・ ・ ・ Plug body (4) ・ ・ ・ Lock lever (3a) (3b) ・ ・ ・ Operation member (6) ・ ・ ・ Interlocking mechanism (61) (62) ・..First piece (63) ... Second piece (64) (65) ... Third piece

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Yasunori Tamaki 18 Fujina Alloy Co., Ltd., 18-1, Hana, Kamiba, Minami-ku, Kyoto (56) References JP-A-60-18690 (JP, A) 56-56987 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F16L 37/00-37/28 F24D 3/10

Claims (1)

(57) [Claims] 1. A wall-mounted fluid outlet having a connection port for connecting a flow path, a plug body having a plug detachably connected to the connection port, and the fluid outlet provided on the plug body. A lock lever for locking the plug body and the plug body in the flow path connection state, wherein the lock member is unlocked by pushing an operating member projecting from the plug body surface in conjunction with the lock lever. The fluid outlet and the plug body are used for simultaneous connection of two flow paths, the connection port and the plug are provided in a pair, respectively, and are arranged in a horizontal direction, and the plug has a pair of hoses extending from below. Each of the fluid outlets is separately connected within the casing of the plug body, and the tip end of the lock lever is provided in the fluid outlet by turning the lock lever up and down. The lock lever is disposed between the plugs, and the engagement is released by turning the inner end of the lock lever downward, The operating member protrudes from a side portion of the plug body, an interlocking mechanism is interposed between the operating member and the lock lever, and is provided so as to be able to protrude and retract at respective symmetrical positions of opposed side surfaces of the casing. The interlocking mechanism is configured to convert a pressing force acting on the operation member into a rotation of the lock lever in a disengagement direction, a first piece extending into the casing from each of the operation members, A second piece rotatably connected to an inner end of the lever and extending downward, connecting each of the first pieces and the second piece separately, and connecting the first pieces to each other; Move the second piece part downward as it approaches A flow path connecting device, comprising: a pair of third pieces.