JP2002322689A - Faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a faucet attached to the faucet pipe 3 of a water tank 2 during use, enabling ejection of liquid and the stop of the ejection by simple operation for convenience, and allowing liquid to be ejected completely. SOLUTION: The faucet includes a fixed cylinder 4 with a cylindrical shape having its rear end fitted into the faucet pipe 3 in a liquid-tight and locked manner and being open at its front end and provided with a suction valve 8 openably closing a suction opening 7 bored in a rear wall 6; and a movable cylinder 5 whose outer periphery is slidably fitted over the inner periphery of the fixed cylinder in a liquid-tight manner and whose front end portion is made to protrude in front of the fixed cylinder, the movable cylinder 5 having a liquid flow passage 17 opened as an outlet 16 in the lower surface of its protruding part being open to the rear wall 6 at one end and having the other end made to protrude beyond the fixed cylinder 4, with a discharge valve 18 provided in the outlet portion of the liquid flow passage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spout and, more particularly, to a spout capable of being attached to a spout pipe protruding from a side of a water tank so that liquid can be spouted.

[0002]

2. Description of the Related Art There is a case where a liquid stored in a water storage tank containing liquid is taken out, for example, through a discharge pipe protruding laterally at a lower part of the water storage tank. In that case, the liquid is generally discharged from the discharge pipe by the own weight of the stored liquid. Naturally, these outlet pipes are provided with a device such as a cock or a valve for preventing the outflow of the liquid, and they are opened to separate the liquid as needed.

[0003]

DISCLOSURE OF THE INVENTION The present invention relates to a spout plug to be attached to such a spout pipe of a water storage tank. It is also an object of the present invention to propose a sanitary pouring tap which has good drainage at the time of liquid pouring.

[0004] Another object of the present invention is to propose a pouring tap which can easily pour a substantially constant amount of liquid at all times.

[0005] Another object of the present invention is to propose a spout with excellent airtightness.

[0006]

In order to solve the above-mentioned problem, the spout plug of the present invention has a liquid-tight and detachably fitted to a spout tube 3 protruding from the water storage tank 2 and facing sideways. A spout plug which is liquid-tight to the spout tube 3 and has a rear end fitted with a rear end fitted therein so as to prevent slipping out.
A fixed cylinder 4 provided with a suction valve 8 having a suction port 7 formed so as to be openable and closable, and an outer periphery fitted to the inner periphery of the fixed cylinder 4 so as to be slidable in a liquid-tight manner, and the front end is fixed to the front of the fixed cylinder 4. And a liquid flow path 17 having one end open to the rear wall 15 and the other end protruding from the fixed cylinder 4 and opened as a spout 16 on the lower surface. And a movable cylinder 5 provided with a discharge valve 18.

According to a second aspect of the present invention, the discharge valve is a slit valve a which is opened by hydraulic pressure.
It was configured as the described tap.

Further, the pouring tap according to the third aspect of the present invention is configured as the pouring tap according to the first aspect, wherein the movable cylinder 5 can be pulled out to a predetermined width.

According to a fourth aspect of the present invention, in order to prevent the fixed cylinder 4 from coming out, a double cylindrical engaging cylinder portion 14 protruding from the outer periphery of the fixed cylinder 4 is fitted to the outer periphery of the injection pipe 3. It is configured as a pouring plug according to claim 1, which is prevented from coming out by engaging and locking.

In addition, the spout according to the fifth aspect of the present invention is configured such that a projection 21 is provided on the rear surface of the rear wall 15 of the movable cylinder 5 and the projection 21 is pressed against the valve plate 10 of the suction valve 8. The outer cylinder portion 34 is extended from the outer periphery of the movable cylinder 5 to the outer periphery of the fixed cylinder in the form of a double cylinder, and the lock lever 36 that stands on the outer cylinder portion 34 to prevent the movable cylinder from coming out can be disengaged. Claim 1 provided
It was configured as the described tap.

According to a sixth aspect of the present invention, there is provided a spout according to the present invention, wherein the water storage tank 2 comprises a casing 2a and a flexible bag container 2b housed in the casing 2a and communicating with the pouring pipe 3. The pouring tap according to claim 1, which is a water storage tank configured.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a spout 1 according to the present invention is mounted in a liquid-tight and detachable manner on an outflow pipe 3 projecting from a water storage tank 2 and facing sideways. It has a fixed cylinder 4 and a movable cylinder 5.

The water tank 2 to which the spout 1 of the present invention is attached is
The present invention is applied to a case in which a discharge pipe 3 is directly provided from a general tank main body, but as shown in the illustrated example, a casing 2a and a flexible member which is housed in the casing 2a and communicates with the discharge pipe 3 are provided. And the bag container 2b. The casing 2a may be made of metal or the like, or may be a simple casing made of cardboard or the like. The bag container 2b may be formed of a synthetic resin or the like.

The fixed cylinder 4 is made of a synthetic resin or the like. A suction valve 8 is provided for closing the perforated suction port 7 so that it can be opened and closed.

In the illustrated example, the rear wall 6 extends from the rear edge of the cylindrical peripheral wall 9 and the rear part of the peripheral wall 9 is closely fitted to the inner surface of the injection pipe 3 to obtain liquid tightness. The rear end of the outer periphery is slightly reduced in diameter so that it can be easily fitted. Also, the rear wall 6
A bulging portion 6a is formed by bulging a central portion of the bulging portion rearward, and a suction port 7 is formed in a back wall portion of the bulging portion 6a.
A suction valve 8 which is opened by a negative pressure in the fixed cylinder 4 is provided in 6a. The suction valve 8 is formed of a synthetic resin, an elastomer, or the like, and is supported by a plurality of elastic connecting pieces 11 projecting from the peripheral edge of the valve plate 10 closing the suction port 7 at a circumferential interval. Each elastic connecting piece 11 is integrally connected to the inner surface of the fitting cylinder 12 closely fitted to the inner circumference of the bulging portion 6a at a circumferential interval.

Further, an engaging cylinder portion 14 is extended rearward from a rear portion of the outer periphery of the peripheral wall 9 via a flange 13 in the form of a double cylinder, and this engaging cylinder portion 14 is fitted and locked on the outer periphery of the injection pipe 3. In order to prevent the slipping out more reliably. The engagement of the engagement cylinder portion 14 with the pouring tube 3 is not limited to screwing as shown in the illustrated example, but employs a concave / convex engagement means such as a crossover engagement between the ridges or a concave engagement with the ridges. You may.

The movable cylinder 5 is also made of synthetic resin or the like. The outer periphery of the movable cylinder 5 is fitted to the inner periphery of the fixed cylinder 4 so as to be slidable in a liquid-tight manner. A liquid flow path 17 having one end opened at 15 and the other end protruding from the fixed cylinder 4 is provided on the lower surface as a spout 16, and a discharge valve 18 is provided at the spout 16 of the liquid flow path 17. Is provided.

In the illustrated example, a short annular sliding piece 20 in the form of a rearward skirt protrudes from the rear end of the peripheral wall 19 fitted in the fixed cylinder 4 so as to be able to move back and forth so as to be slidable in a liquid-tight manner. I have. Also,
A protrusion 21 is provided on the rear surface of the rear wall 15 extending from the rear edge of the peripheral wall 19, and the protrusion 21 is configured to be pressed against the valve plate 10 of the suction valve 8, and the suction valve 8 is inadvertently used when not in use. It does not open. Further, finger hooking projections 22 are provided at both ends of the outer surface of the peripheral wall 19 to protrude. The finger hooking projection 22 is not limited to this form, and may be a projection protruding from the outer surface of the peripheral wall 19 so that the movable cylinder 5 can be easily pulled out.

The liquid flow path 17 is defined by a peripheral wall 19 and a partition wall 23 provided in the peripheral wall 19.
An inlet 24 is opened at one end, and the other end is opened as a spout 16 at the lower end of the peripheral wall 19. Partition wall 23
Is provided below the lowermost reinforcing plate portion 25 of the three reinforcing plate portions 25 provided in the movable cylinder 5 along the longitudinal direction, and a portion of the upper portion is shared with the reinforcing plate portion. Thus, the front end is closed, and a tunnel shape is formed in a downwardly arcuate cross section.

Various types of discharge valves 18 can be employed. For example, a known structure such as a shut-off valve can be employed in addition to the slit valve 18a as shown in the figure. The slit valve 18a in the illustrated example is formed of a flexible and resilient material such as an elastomer, and has a flange portion at the upper end which is closely fitted in a fitting cylindrical portion 26 which is vertically provided from a peripheral wall 19 at a peripheral edge of the spout 16. A cylindrical wall 28 whose tip is narrowed extends below the inner edge 27, and a slit 29 is formed at the tip of the cylindrical wall 28. Further, the holding cylinder 30 serving to fix the slit valve 18a is fitted into the fitting cylinder 26, and the flange 27 is pressed and fixed by the upper end surface thereof.

A cap 31 is provided for closing the spout 16 so that it can be opened and closed. The cap 31 is detachably fitted to the lower end of the holding cylinder 30 and is integrally connected to the holding cylinder 30 by a connecting piece 32.

Further, an outer cylindrical portion 34 extending in a double cylindrical shape from the front portion of the outer peripheral wall 19 of the movable cylinder 5 to the outer periphery of the fixed cylinder 4 via the flange 33 is extended. The provided support piece 35 is connected to the lower surface of the central portion in the front-rear direction, and a lock lever 36 is provided so as to be swingable, and the rear end of the lock lever 36 is configured to be engageable with the edge of the engagement cylinder portion 14. . In the illustrated example, the engagement protrusion 37 protruding from the lower surface of the rear end of the lock lever 36 is engaged with the end surface of the engagement cylinder portion 14 to prevent the movable cylinder 5 from accidentally coming out when not in use. Further, at the time of use, the engagement is easily released by pushing down the front part of the lock lever 36 so that the movable cylinder 5 can be pulled forward.

Further, it is preferable that the movable cylinder 5 is constructed so as to be able to be drawn out with a predetermined width so that the amount of liquid to be discharged is constant. In the illustrated example, a locking ridge 38 is provided around the outer peripheral end of the peripheral wall 9 of the fixed cylinder 4, and an engagement ridge 39 is provided at the inner peripheral rear end of the outer cylinder 34 of the movable cylinder 5.
When the movable barrel 5 is pulled out, a predetermined amount of liquid can be always sucked into the fixed barrel 4 by pulling out until the engagement ridge 39 is brought into contact with and locked by the locking ridge 38. Thus, a predetermined amount of liquid can always be poured out. In addition, the movable cylinder 5
The configuration that enables the drawer of the predetermined width to be not limited to this,
For example, an engagement ridge and a locking ridge may be provided at a predetermined position on the inner periphery of the fixed cylinder peripheral wall 9 and a predetermined position on the outer periphery of the movable cylinder peripheral wall 19, respectively.

The case of using the spout 1 constructed as described above will be described by way of an example. After the lock lever 36 was pressed down from the state shown in FIG. 5 to release the engagement, as shown in FIG. 6, a finger was hooked on the finger hook 22 and pulled out until the movable barrel 5 was locked, and then the cap 31 was opened. Later, FIG.
As shown in (2), when the movable cylinder 5 is pushed in, the slit 29 opens and a fixed amount of liquid flows out.

[0026]

As described above, the spout according to the first aspect of the present invention has the above-mentioned structure, so that the simple operation of pulling out the movable cylinder 5, opening the discharge valve 18 or pushing it in as it is. When the movable cylinder 5 is pulled out, the suction valve 8 is opened and the liquid is sucked by the negative pressure in the fixed cylinder 4, so that the liquid amount in the water storage tank can be reduced. The liquid can be quickly sucked into the fixed cylinder regardless of the viscosity of the liquid. The liquid can be poured out.

Further, according to a second aspect of the present invention, the discharge tap is provided with a discharge valve 18.
Is constructed with a slit valve 18a that opens with hydraulic pressure, so that the liquid can be poured out simply by pushing it in after pulling out the movable cylinder, and the liquid can be poured out more quickly. is there.

Further, the pouring tap according to the third aspect of the present invention has an advantage that a constant amount of liquid can always be discharged by pulling out the movable cylinder 5 by a predetermined width that can be pulled out. Further, since the pulling and pushing of the movable cylinder 5 can be sensed tactilely, operation errors are extremely small.

Further, the pouring tap according to the fourth aspect of the present invention is the
Since the double cylindrical engagement cylinder portion 14 protruding from the outer periphery is fitted and locked to the outer periphery of the injection pipe 3 to prevent the escape, the fixed cylinder 4 can be more securely removed from the injection pipe 3. Can be prevented.

Further, the spout plug of the present invention presses the valve plate 10 of the suction valve 8 when not in use, and furthermore, the lock lever 36
, It is possible to reliably prevent undesired intrusion of the liquid from the suction valve 8 into the fixed cylinder 4. Even if the amount of liquid in the water storage tank 2 is large and the liquid pressure is high, the fixed cylinder It is possible to reliably prevent an undesired intrusion of the liquid into the inside, and to prevent the movable cylinder 5 from being pulled out by an inadvertent external force. As a result, it is possible to surely prevent the liquid from leaking.

The pouring tap according to the present invention is a water storage tank comprising a casing 2a and a flexible bag container 2b housed in the casing 2a and communicating with the pouring pipe 3. Since it is mounted on the housing 2, the outside air does not always come into contact with the stored liquid, and exhibits excellent effects such as preventing the stored liquid from being oxidized.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a bottom view of the embodiment.

FIG. 4 is a vertical cross-sectional view of the same embodiment in a state where a movable cylinder is pulled out.

FIG. 5 is a perspective view of the same embodiment.

FIG. 6 is a perspective view of a state where the movable cylinder of the embodiment is drawn out.

FIG. 7 is a perspective view of a state in which the drawn-out movable cylinder of the embodiment is pushed in.

[Explanation of symbols]

2 ... water tank, 2a ... casing, 2b ... bag container, 3 ... outlet pipe, 4 ... fixed cylinder, 5 ... movable cylinder, 6 ... fixed cylinder rear wall, 7 ... suction port, 8 ... suction valve, 10 ... valve Plate, 11: elastic connecting piece, 14: engaging cylinder, 15: rear wall of movable cylinder, 16: spout, 17: liquid flow path, 18
... Discharge valve, 18a ... Slit valve, 21 ... Protrusion, 34 ... Outer cylinder, 35 ... Support piece, 36 ... Lock lever

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Haruo Tsuchida 3-2-6 Oshima, Koto-ku, Tokyo F-term in Yoshino Industrial Co., Ltd. (Reference) 3E070 AA40 AB01 GB04 GB16 3H052 AA01 BA25 CC03 EA02

Claims (6)

[Claims] 1. An outlet pipe 3 protruding from a water storage tank 2 and facing sideways.
A liquid-tight and removably fitted spout plug which is liquid-tight to the pouring tube 3 and has a tubular shape with a front end opening fitted with a rear end portion which is prevented from coming out, and has a rear wall. A fixed cylinder 4 provided with a suction valve 8 having a suction port 7 opened and closed so as to be openable and closable, and an outer periphery fitted to the inner periphery of the fixed cylinder 4 so as to be slidable in a liquid-tight manner. A liquid flow path 17 that projects forward and has one end opened to the rear wall 15 and the other end opened to the lower surface of the part protruding from the fixed cylinder 4 as an outlet 16 is provided. And a movable cylinder 5 provided with a discharge valve 18 at a portion thereof. 2. The spout according to claim 1, wherein said discharge valve is a slit valve which is opened by hydraulic pressure. 3. The pouring tap according to claim 1, wherein said movable barrel 5 can be pulled out to a predetermined width. 4. The fixed cylinder 4 is prevented from coming off.
2. The pouring tap according to claim 1, wherein the plug is prevented from slipping out by engaging and locking a double cylindrical engaging tubular portion protruding from the outer periphery to the outer periphery of the pouring tube. 5. A projection 21 is provided on the rear surface of the rear wall 15 of the movable cylinder 5, and the projection 21 is configured to be in pressure contact with the valve plate 10 of the suction valve 8. 2. The pouring device according to claim 1, wherein the outer cylindrical portion is extended in a double cylindrical shape, and a lock lever which stands on the outer cylindrical portion to prevent the movable cylinder from coming off is detachably provided. plug. 6. The water storage tank is a water storage tank comprising a casing 2a and a flexible bag container 2b housed in the casing 2a and communicating with the discharge pipe 3. The pouring tap according to 1.