JP3701929B2 - Fluid outlet - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fluid outlet, and more particularly, to a fluid outlet of a type provided with a protective member for protecting a connection hole provided in an outlet body when not in use.
[0002]
[Prior art]
The fluid outlet (1) shown in FIG. 5 is for detachably connecting a fluid circulation path between an outdoor heater and an indoor radiator (both not shown) in the middle. It is of the type installed on the floor (F).
[0003]
This type of fluid outlet (1) has an outlet body (10) provided at the tip of a pair of outdoor pipes (16a) (16b) extending from the heater, and an opening ( F0) is housed in an upper open case body (17) that is fitted and fixed, and the outlet body (10) has a pair of connection holes (11) for fluid circulation path connection ( 12) are arranged side by side so as to open upward.
When the fluid outlet (1) is not used, the upper open portion of the case body (17) is covered with the covering lid (14) so as to be openable.
[0004]
To use the fluid outlet (1), the covering lid (14) is opened, and the indoor fluid hose extending from the radiator to the connection hole (11) (12) from the open end of the case body (17) A plug portion (not shown) of a fluid plug provided at the tip of (not shown) is connected. Thereby, the valve body (110) (120) built in the connection hole (11) (12) and the valve body built in the plug part are opened, and the fluid circulation path is connected. It becomes.
[0005]
Incidentally, between the connection holes (11), (12) in the outlet main body (10), there is an engagement hole (13) for engaging the engagement piece provided in the fluid plug in a retaining state. It is formed so as to open upward.
[0006]
When the fluid outlet (1) is not used, the plug portion is pulled out from the fluid outlet (1) and removed. Thus, the valve body (110) (120) is closed by being biased in the direction of being pushed upward by the restoring force of the spring (18) provided therein, and the connection holes (11) (12 ) No fluid leaks out.
[0007]
However, in order to prevent inadvertent leakage from the connection holes (11) and (12) and protect the connection holes (11) and (12), the connection holes (11) ( A protective member (3) as shown in the figure is mounted on the top surface of the outlet body (10) including the open end of 12).
[0008]
This type of conventional protective member (3) has a pair of cap parts (31) and (32) that are detachably fitted into the connection holes (11) and (12), respectively, and these cap parts (31) and (32) in a parallel state. A connecting member (30) to be integrally connected to the connecting member (30) between the cap portions (31) and (32), and the connecting member (30) and the protruding direction of the cap portions (31) and (32). One end is mounted via a leaf spring (35) between the pair of engaging pieces (33) and (34) projecting in the direction and the engaging pieces (33) and (34), and pulled outwards to It comprises a ball chain (5) for forcibly removing the protective member (3) by swinging the engaging pieces (33) (34) in the approaching direction.
Further, the outer peripheral surface of the cap portion (31) (32) is O for securing watertightness with the connection hole (11) (12) when fitted into the connection hole (11) (12). A ring (36) is attached.
[0009]
At the same time that the cap portions (31) and (32) are pushed into the connection holes (11) and (12) until the O-ring (36) is accommodated in the fitted state, the engagement pieces (33) and (34) By engaging the peripheral edge of 13), the protective member (3) is mounted in a watertight state and in a retaining state in the connection holes (11), (12) of the outlet body (10). Thereafter, the covering lid (14) is closed.
[0010]
When using the fluid outlet (1), the covering lid (14) is opened, and the ball chain (5) is pulled upward. When the ball chain (5) is pulled, the engagement pieces (33) and (34) swing in directions close to each other by the elasticity of the leaf springs, and the engagement with the peripheral edge of the engagement hole (13) is performed. Canceled. After that, the cap portions (31) and (32) may be forcibly pulled out from the connection holes (11) and (12).
[0011]
[Problems to be solved by the invention]
Even if the conventional fluid outlet (1) forgets to attach the protective member (3) or the mounting state is incomplete, the covering lid (2) is closed without noticing this. It may end up. Since the cover lid (3) once closed is not normally opened until the next use time of the radiator, it is left in this state for a long time. Therefore, in the unlikely event that a leak occurs from the connection holes (11) and (12), there is a problem that water droplets enter the outlet body (10) and the connection terminals of the electric circuit are damaged.
[0012]
According to the present invention, an outlet body having a pair of connection holes for connecting a flow path and an engagement hole provided between the connection holes open to the top surface, and the connection holes are mounted in a watertight state. A protective member comprising a pair of cap parts to be engaged and an engaging piece that is detachably engageable with the engaging hole simultaneously with the mounting of the cap part, and a state in which the protective member is mounted In the fluid outlet provided with a covering lid that closes the entire top surface of the outlet body so as to be openable, it is an object to reliably prevent the protective member from being mounted on the outlet body.
[0013]
<1>
[0014]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the solution means of the present invention is: "Advancing / retracting shaft is provided which is movable forward and backward in a direction perpendicular to the top surface of the outlet main body, and the advancing / retracting shaft is always removed by an urging means. It is energized in the direction that protrudes
When the engagement piece is attached to the engagement hole in a retaining state, the advance / retreat shaft is pushed by the protection member and retracts inward from the top surface,
When the mounting of the engaging piece into the engaging hole is incomplete, the advance / retreat shaft is advanced outward by the urging force of the urging means,
By the advancement of the advance / retreat axis, the protection member is set to be pushed outward from the position of the inner surface of the covering lid when fully closed.
[0015]
In a state where the protective member is not attached, the advancing and retracting shaft protrudes outward from the outlet body. When the protective member is mounted, when the cap piece is inserted into the connection hole and at the same time the engaging piece of the protective member is inserted into the engaging hole, the advance / retreat shaft is pushed back by the protective member, The engagement piece can be engaged with the engagement hole in a retaining state with the posture in which the advance / retreat shaft is retracted. In this state, the covering lid is set so that it can be closed in a completely closed state. When the protective member is forgotten to be attached to the outlet body or incompletely attached, the advancing / retreating shaft protrudes outward due to the biasing force, and the protective member is outwardly protruded. It becomes the mode pushed to. Therefore, in this state, the covering lid cannot be closed.
[0016]
<Section 2>
In the invention described in detail in 1 above, “the advance / retreat shaft is biased so as to always protrude from the open end of the engagement hole;
When the engagement piece is mounted in the engagement hole in a retaining state, the advance / retreat shaft is pushed by the tip of the engagement piece to maintain the retracted posture in the engagement hole,
When the engagement piece is not completely installed in the engagement hole, the forward / backward shaft is moved by the urging force of the urging means so that the protective member is moved from the position of the inner surface of the covering lid when completely closed. In the state where the protective member is not attached, the advancing / retracting shaft protrudes outward from the engagement hole of the outlet body, and the protective member is attached. Then, the advance / retreat axis is pushed by the engagement piece inserted into the connection hole and retracts into the engagement hole. Then, the engagement piece can be engaged with the engagement hole in a retaining state with the posture in which the advance / retreat shaft is retracted. In this state, the covering lid can be closed to a completely closed state. When the protective member is forgotten to be attached to the outlet body or incompletely attached, the advancing / retracting shaft protrudes from the engagement hole while pushing the protective member outward, so this state Then, the covering lid cannot be closed.
[0017]
<Section 3>
In the invention described in the item 1 or 2, the configuration is such that the outlet body is housed in a case body that opens to the indoor side, and the open part of the case body is closed by a rotating covering lid. age,
The advancing / retracting shaft is attached to the distal end side of a fixed shaft attached to the bottom plate of the case body via a spring,
The urging force of the spring is set to be larger than the pressing force with which the inner surface of the covering lid presses the advance / retreat shaft when the covering lid is naturally closed. In this state, the advancing / retracting shaft is biased to protrude, and in this state, when the rotary cover is rotated in the closing direction, the advance / retreat is performed when the cover is naturally closed. The biasing force applied to the advance / retreat shaft is set to be larger than the pressing force applied to the shaft. Occlusion will be prevented.
[0018]
【The invention's effect】
As described above, in the first aspect of the invention, unless the protective member is securely attached to the outlet main body, the advancing / retracting shaft advances outward from the engagement hole while pushing the protective member outward. Therefore, it is obvious that the cap is not completely attached to the connection hole. Therefore, it is possible to reliably prevent the cap portion from being forgotten to be mounted or to be defective, and the protective member is not left for a long time without being attached to the connection hole. As a result, the fluid outlet can be reliably protected during the non-use period.
[0019]
In addition to the above effect, in the item of item 2, since the advancing / retracting shaft is biased so as to protrude from the engagement hole, there is an effect that it is easy to provide the advancing / retracting shaft also in a conventional type of fluid outlet. is there. In addition, it is possible to provide a fluid outlet that is simple in structure and good in appearance.
Moreover, in the structure of 3 terms, it becomes employable as a rotation type covering lid.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a cross-sectional view showing a state in which a protective member (3) is attached to a fluid outlet (1) according to an embodiment of the present invention and a covering lid (14) is closed in that state.
[0021]
This fluid outlet (1) is provided as a connection for a fluid heating device, similar to the one shown in the conventional example, and is a chamber that is installed outdoors and extends from a heater (not shown) that heats the fluid. The outlet body (10) is housed in the case body (17) which is attached to the tip of the outer pipe (16a) (16b) and dropped into the opening (F0) provided on the floor surface (F) and fixed. It has a configuration.
[0022]
On the top surface (15) of the outlet body (10), connection holes (11) and (12) for connecting the flow paths are arranged in parallel so as to open upward, and these connection holes (11) and (12) The valve body (110) (120) for opening and closing the flow path containing these connection holes (11) (12) is incorporated in the inner end of each.
Further, a rectangular engagement hole (13) having a predetermined depth is formed between the connection holes (11) and (12) on the top surface (15) so as to open upward.
[0023]
This engagement hole (13) is extended from an engagement piece (33) (34) of a protection member (3) described later as shown in FIG. 1 or from an indoor radiator as shown in FIG. This is for locking the locking hook (41) of the fluid plug (4) to be attached to the tip of the indoor pipe (40) in a retaining state, and particularly in this embodiment, the engagement hole ( 13) It has a configuration in which an advancing / retracting shaft (2) capable of advancing and retracting in the axial direction is provided.
[0024]
The advancing / retracting shaft (2) is a downwardly opened cylindrical body, and is fitted from above via a spring (21) to a fixed shaft (20) fixed by being screwed to the bottom side of the case body (17). A large diameter portion is formed at the upper end of the fixed shaft (20), and at the lower end of the advance / retreat shaft (2), a protrusion (22) that locks the large diameter portion from below. Is provided so as to protrude inward. Thus, even when the advance / retreat shaft (2) protrudes upward in the most advanced state by the biasing force of the spring (21), the protrusion (22) is prevented from coming off from the large diameter portion of the fixed shaft (20). There is no inconvenience that the forward / backward shaft (2) is detached from the fixed shaft (20).
[0025]
In this most advanced state, the tip of the advance / retreat shaft (2) protrudes above the open end of the engagement hole (13), and the engagement pieces (33) (34) and the hook portion (41) It is assumed that the dimensional relationship of each part is set so that when the is inserted, the part moves backward from these locking positions.
[0026]
The protective member (3) is attached to the outlet body (10) when the fluid outlet (1) is not used, and prevents leakage of fluid from the connection holes (11) and (12). (11) A pair of cylindrical cap portions (31) and (32) that are respectively fitted into (12), a plate-like connecting member (37) that connects these in parallel, and a center of the connecting member (37) A pair of engaging pieces (33) and (34) projecting in the same direction as the cap portions (31) and (32) between the cap portions (31) and (32), and the engaging pieces (33 ) (34) and a ball chain (5) attached via a leaf spring (38).
[0027]
O-rings (36) for securing a sealing property are mounted on the outer circumferences of the cap portions (31) and (32), and the cap portions (31) and (32) are connected to the connection holes (11) and (12). The engaging pieces (33) and (34) are inserted into the engaging holes (13) in a retaining state and attached to the engaging holes (13).
[0028]
In the state where the engaging pieces (33) and (34) are inserted into the engaging holes (13), as shown in FIG. 1, the advancing and retracting shaft (2) has the engaging pieces (33) ( 34), the retracted position can be maintained when the engaging pieces (33) (34) are engaged with the engagement pieces (33) (34) at the predetermined positions in the engagement holes (13). Is set to
[0029]
With the auxiliary member (3) attached, the upper open part of the case body (17) is closed openably by a cover lid (14) pivotally supported on the decorative plate (19). It becomes the composition which is done. The decorative plate (19) has an oval opening (23), and the connection holes (11) and (12) and the engagement hole (13) are exposed from the opening (23). ing.
[0030]
In addition, a pair of receiving tube portions (25) and (26) are provided on the inner surface of the covering lid (14), and the cap portions (31) and (32) of the protective member (3) when not in use are illustrated. As shown in FIG. 2, the protective member (3) can be integrated with the covering lid (14) by being fitted into the receiving tube portions (25) and (26), and the protective member (3 ) Will not get in the way.
[0031]
When the covering lid (14) is closed while the protective member (3) is attached to the covering lid (14), the engagement pieces (33), (34) of the protection member (3) 13) In the incomplete mounting state that is not mounted in the retaining state, the advancing / retreating shaft (2) is biased to the outward projecting state by the biasing force of the spring (21), so incomplete mounting The protective member (3) in the state is pushed outward by the advance / retreat shaft (2). For example, as shown in FIG. 3, the auxiliary member (3) opens the opening (23) of the decorative plate (19). It will be in a state of floating upward from the end.
[0032]
In this state, even if the covering lid (14) is rotated in the closing direction, the covering lid (14) cannot be completely closed, and the covering lid (14) is lifted upward from the decorative board (19). It becomes a state. Thereby, it can be known that the mounting of the protective member (3) is incomplete.
The urging force of the spring (21) provided on the advance / retreat shaft (2) is set to such an extent that it does not retract into the engagement hole (13) due to its own weight of the covering lid (14). Shall.
[0033]
In response to the state in which the covering lid (14) is blocked, the covering lid (14) is once again opened, and the protective member (3) is remounted. Accordingly, the protective member (3) is not left incompletely attached until the next use of the fluid outlet (1).
[0034]
When using the fluid outlet (1), if the cover lid (14) is opened and the ball chain (5) is pulled from the outside, the leaf spring (38) is elastically deformed, and the engagement piece ( 33) (34) is disengaged from the engagement hole (13), and the auxiliary member (3) is removed. At the same time, the advance / retreat shaft (2) projects from the engagement hole (13) by the biasing force of the spring (21).
[0035]
Then, as shown in FIG. 2, when the plug portion (4) is inserted into the opening hole of the decorative plate (19), the outdoor heater and the indoor radiator are connected to the flow path and electrically connected. At this time, the locking hook (41) is inserted into the engagement hole (13) of the outlet body (1) while the advancement / retraction shaft (2) is retracted to the back side, and the engagement piece (33 In the same manner as in (34), it can be engaged in the retaining state.
[0036]
4 is a cross-sectional view showing a state in which a fluid outlet (1) provided with a sliding type covering lid (24) is installed on a wall surface (W).
Also in this case, when the protective member (3) is not securely attached, the protective member (3) is pushed outward from the open end of the decorative plate (19) by the advance / retreat shaft (2). Since the extruded protective member (3) or the projecting advance / retreat shaft (2) is obstructed, the covering lid (24) cannot be slid and closed, so that a defective mounting of the protective member (3) is recognized. Can do it.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a state in which a protective member (3) is attached to a fluid outlet (1) according to an embodiment of the present invention and a covering lid (14) is closed in that state.
FIG. 2 is a cross-sectional view showing a state in which a plug portion (4) is connected to a fluid outlet (1) according to an embodiment of the present invention.
FIG. 3 is an explanatory view showing a case where the protective member (3) is in an incompletely mounted state.
FIG. 4 is an explanatory diagram of another embodiment.
FIG. 5 is a cross-sectional view showing a usage state of a conventional fluid outlet protective member.
[Explanation of symbols]
(1) ... Fluid outlet
(10) ... Outlet body
(11) (12) ... Connection hole
(13) ... Engagement hole
(14) ... Coated lid
(2) ・ ・ ・ ・ ・ ・ Advance and retreat axis
(21) ・ ・ ・ ・ ・ ・ Biasing means (spring)
(3) ・ ・ ・ ・ ・ ・ Protective member
(31) (32) ... Cap part

Claims (3)

An outlet body in which a pair of connection holes for channel connection and an engagement hole provided between the connection holes are open on the top surface, and a pair of caps mounted in a watertight state on the connection holes A protection member comprising an engagement piece that can be removably engaged with the engagement hole at the same time that the attachment portion and the cap portion are attached, and the outlet body in a state in which the protection member is attached A fluid outlet comprising a covering lid that releasably closes the entire top surface of
An advancing / retracting shaft that is movable forward and backward in a direction perpendicular to the top surface of the outlet body is provided, and the advancing / retreating shaft is always urged in a direction protruding outward by an urging means,
When the engagement piece is attached to the engagement hole in a retaining state, the advance / retreat shaft is pushed by the protection member and retracts inward from the top surface,
When the mounting of the engaging piece into the engaging hole is incomplete, the advance / retreat shaft is advanced outward by the urging force of the urging means,
The fluid outlet according to claim 1, wherein the protective member is set to be pushed outward from the position of the inner surface of the covering lid when the advancement / retraction shaft advances. The fluid outlet according to claim 1, wherein the advance / retreat shaft is biased so as to always protrude from an open end of the engagement hole,
When the engagement piece is mounted in the engagement hole in a retaining state, the advance / retreat shaft is pushed by the tip of the engagement piece to maintain the retracted posture in the engagement hole,
When the engagement piece is not completely installed in the engagement hole, the forward / backward shaft is moved by the urging force of the urging means so that the protective member is moved from the position of the inner surface of the covering lid when completely closed. A fluid outlet that is also set to push outward. The fluid outlet according to claim 1 or 2, wherein the outlet body is housed in a case body that opens to the indoor side, and the open portion of the case body is closed by a rotating covering lid,
The advancing and retracting shaft is attached to the distal end side of a fixed shaft attached to the bottom plate of the case body via a spring,
The fluid outlet in which the urging force of the spring is set to be larger than the pressing force with which the inner surface of the covering lid presses the advance / retreat shaft when the covering lid is naturally closed.

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