JP4547230B2 - Drinking water dispenser - Google Patents

Description

  The present invention relates to a drinking water supply apparatus that can be installed in a general household, various event venues, restaurants, companies, etc. and can take out hot water and / or cold water, and particularly relates to a connection structure between a water tank and a water absorption channel. .

  Conventionally, as a drinking water dispenser, a water absorption channel formed with a water inlet that is detachably connected to a water tank containing drinking water, and drinking water absorbed from the water tank by a pump provided in the water absorption channel. A cooling water passage that is cooled by a cooling tank and taken out from a cold water discharge port and / or a hot water passage that heats the drinking water from a hot water tank and takes out the hot water discharge port is known.

  In such a drinking water dispenser, it is required that the water tank containing the drinking water is simply and hygienically connected to the water absorption flow path while preventing invasion of germs from the outside.

  In a conventional drinking water dispenser, as a connection structure between a water tank and a water absorption channel, a cap having a breakable membrane is attached to the cylindrical mouth portion of the water tank, and the base end of the water absorption channel is attached to this cap. When attaching, the thing of the structure which connects a cylindrical opening part and a water absorption flow path is known by damaging the said film body with the needle opening provided in the base end (refer patent document 1).

  However, with such a connection structure, the cap membrane is damaged each time the water tank is replaced, so that the cap cannot be used repeatedly and is so-called disposable, resulting in waste. It was.

Conventionally, as a faucet for a water tank, an outer cylinder part, a thin upper wall protruding downward from the inner peripheral upper part of the outer cylinder part, a water discharge pipe formed on the outer cylinder part, and a thin upper wall There is a cap faucet with a valve having a finger ring for pulling up and opening the spout tube.
This cap cap with valve pulls the finger ring and pulls up and deforms the top wall of the thin wall to open the spout tube and discharge the water in the water tank from the spout tube. It has only a function, and none is used for the connection structure between the water tank and the water absorption channel.
JP 2002-160765 A

  An object of the present invention is to provide a drinking water supply device that can easily connect a water tank containing drinking water to a water absorption channel in a sanitary manner while preventing invasion of germs from the outside. .

In order to solve the above problems, a drinking water supply machine of the present invention (Claim 1)
A water absorption channel formed with a water intake port that is detachably connected to a water tank containing drinking water, and the drinking water absorbed from the water tank by a pump provided in the water absorption channel is cooled in the cold water tank and discharged from the cold water. A drinking water dispenser having a cold water flow path to be taken out from an outlet and / or a hot water flow path in which drinking water absorbed from a water tank by a pump provided in the water absorption flow path is heated in the hot water tank and taken out from a hot water discharge port In
A cap with a valve is detachably attached to the cylindrical mouth of the water tank,
The cap with a valve includes an outer cylinder part, a thin upper wall protruding downward from the inner peripheral upper part of the outer cylinder part, and a water discharge pipe protruding from the outer cylinder part,
The water discharge pipe is closed with the valve cap inserted into the cylindrical port portion of the water tank inserted between the outer peripheral surface of the outer tube portion of the valve cap and the outer peripheral surface of the thin upper wall. Formed into
A connecting pipe is provided at the proximal end of the water absorption flow path, and a tip end portion of the connecting pipe is formed as a pressing portion for pushing up and deforming the thin wall of the thin wall, and the connecting pipe is connected to the outlet pipe of the cap with valve. to by connecting fitted insertion, the pressing portion of the connection tube the thin top wall is deformed lifting open at the spout tube, the spout and the water tank and the water flow path in communication A coupler structure is formed in which the tube functions as a socket and the connecting tube functions as a plug.

  In the drinking water supply apparatus according to claim 1, there is an aspect (claim 2) in which the water discharge pipe of the cap with valve and the connection pipe of the water absorption channel are formed to be taper-fitted.

  In the drinking water dispenser according to claim 1 or 2, the manual opening means for opening the spout pipe by pulling up and deforming the thin upper wall is provided on the thin upper wall of the valve cap. Claim 3).

Moreover, the drinking water supply machine of the present invention (Claim 4) is:
A water absorption channel formed with a water intake port that is detachably connected to a water tank containing drinking water, and the drinking water absorbed from the water tank by a pump provided in the water absorption channel is cooled in the cold water tank and discharged from the cold water. A drinking water dispenser having a cold water flow path to be taken out from an outlet and / or a hot water flow path in which drinking water absorbed from a water tank by a pump provided in the water absorption flow path is heated in the hot water tank and taken out from a hot water discharge port In
A cap with a valve is detachably attached to the cylindrical mouth of the water tank,
The cap with a valve is formed by pulling up and deforming an outer cylinder part, a thin upper wall protruding downward from the inner peripheral upper part of the outer cylinder part, a water discharge pipe formed in the outer cylinder part, and the thin upper wall. Manual opening means for opening the spout pipe, and holding means for holding the manual opening means in a pulled-up state,
The water discharge pipe is closed with the valve cap inserted into the cylindrical port portion of the water tank inserted between the outer peripheral surface of the outer tube portion of the valve cap and the outer peripheral surface of the thin upper wall. Formed into
The water flow path Benzuke socket at the base end is provided in the tip of the spout tube is formed in pressing portion for opening the valve provided in the socket with the valve, said this Benzuke the socket When the spout pipe of the cap with valve is inserted and fitted and connected, the valve body in the socket with valve is opened by being pushed back by the pusher, and the water tank and the water absorption channel communicate with each other. Thus, a coupler structure is formed in which the spout tube functions as a plug.

  In the drinking water dispenser of the present invention, in a state where the water tank is not connected to the water absorption channel, the spout tube of the cap with a valve attached to the cylindrical mouth portion is closed. Intrusion can be prevented and hygiene can be ensured.

In the present invention (Claim 1), when the connection pipe is inserted and fitted into the water discharge pipe, a coupler structure is formed in which the water discharge pipe functions as a socket and the connection pipe functions as a plug.
And, due to the insertion fitting of the connecting pipe to the spout pipe, the thin top wall is pushed up and deformed by the pushing portion of the connecting pipe, the spout pipe is opened, and the inside of the water tank and the water absorption channel communicate with each other. The connection work and the communication work can be performed simultaneously, and the connection work is simplified.

  Further, when the spout pipe and the connecting pipe are taper fitted (claim 2), the fitted state can be reliably maintained.

  Further, when manual opening means is provided (Claim 3), the water discharge pipe can be opened as required without connecting the water tank to the water absorption flow path.

In the present invention (Claim 4), when the water discharge pipe is inserted and fitted into the valve-equipped socket, a coupler structure in which the water discharge pipe functions as a plug is formed.
And, by inserting and fitting the connection pipe into the socket with valve, the valve body in the socket with valve is pushed and released by the pushing part of the spout pipe , and the inside of the water tank and the water absorption channel communicate with each other. Connection work and communication work can be performed simultaneously, and the connection work is simplified.
Moreover, since it becomes the connection structure provided with the double valve structure of a cap with a valve and a socket with a valve, invasion of various germs can be prevented and a hygiene aspect can be secured.

  Embodiments of the present invention will be described below with reference to the examples shown in the drawings. In the following embodiments, the same reference numerals are used for the same components.

  FIG. 1 is a schematic view of a drinking water supply apparatus according to a first embodiment corresponding to claim 1 of the present invention, and FIG. 2 is an exploded sectional view showing a connection structure between a water tank and a water absorption channel in this drinking water supply apparatus. 3 is a cross-sectional view showing a state in which the cap with a valve is mounted on the cylindrical mouth portion, FIG. 4 is a cross-sectional view showing a state in which the spout pipe of the cap with the valve is opened by pulling up the finger ring, and FIG. It is sectional drawing which shows the connection structure of a tank and a water absorption flow path.

First, the structure of the drinking water supply machine will be described.
The drinking water supply device includes a water absorption channel 1, a cold water channel 2, and a hot water channel 3.

The water absorption flow path 1 is formed at the base end of the water absorption pipe 11 with a connection pipe 10 detachably connected to the cylindrical mouth portion 40 of the water tank 4 containing drinking water. The branch pipes 12 and 12 are piped so as to be inserted into the water storage tank 13 and the cold water tank 20 of the cold water passage 2.
A pump 14 is attached in the middle of the water absorption pipe 11, and the pump 14 is operated in a state where the connection pipe 10 is connected to the cylindrical mouth portion 40 of the water tank 4. Drinking water is introduced into the water storage tank 13 and the cold water tank 20.

The pump 14 is formed as an intermittent water pump.
This intermittent water supply pump expands / contracts a bellows-like expansion / contraction chamber 14a formed in the middle of the water absorption pipe 11 by a reciprocating drive unit 14b, and on-off valves provided on the inlet side and the outlet side ( The water from the water tank 4 is intermittently fed by alternately opening and closing (not shown).
Thus, since the drinking water can be intermittently fed to the water storage tank 13 and the cold water tank 20 by using the intermittent water feeding pump, the drinking water can be sufficiently stirred by the momentum of the water. It can be used in a sanitary manner by preventing minerals from adhering or accumulating.
The pump is not limited to the intermittent water pump, and a conventionally known pump including an impeller that rotates by motor drive can be used.

  The cold water passage 2 has a structure in which a cold water pipe 21 is extended from the bottom of the cold water tank 20, and a cold water discharge port 22 is formed at the tip of the cold water pipe 21.

  The cold water tank 20 is for receiving and cooling the drinking water introduced by the water absorption channel 1, and an evaporation pipe 20 a of a refrigeration cycle (not shown) is wound around the outer periphery of the cold water tank 20. The cooled cold water can be taken out from the cold water discharge port 22 through the cold water pipe 21 by water pressure.

  The water storage tank 13 is for containing the drinking water introduced by the water absorption channel 1, and when the water level falls below a certain level, the water level sensor 13a detects this and activates the pump 14 to The water level is maintained at a predetermined water level.

The hot water flow path 3 has a first water pipe 30 extending from the bottom of the water storage tank 13 connected to the bottom of the hot water tank 31 and a second water pipe 32 extending from the bottom of the cold water tank 20 being first. Connected in the middle of the water supply pipe 30, the first water supply pipe 30 and the second water supply pipe 32 lead the drinking water in the water storage tank 13 and the cold water tank 20 to the hot water tank 31.
Further, a hot water pipe 33 is extended from the upper part of the hot water tank 31, and a hot water discharge port 34 is formed at the tip of the hot water pipe 33.
A steam pipe 35 is extended from the upper part of the hot water tank 31 to the upper part of the water storage tank 13.

A drain pipe 36 is branched in the middle of the first water supply pipe 30. When the drain cock 37 provided in the drain pipe 36 is closed, the drinking water in the water storage tank 13 and the cold water tank 20 is supplied as described above. Water can be guided to the hot water tank 31 by the first water pipe 30 and the second water pipe 32.
On the other hand, in the open state of the drain cock 37, the water storage tank 13, the cold water tank 20, the hot water tank 31 and the drinking water in each pipe are drained to the outside by the first water pipe 30, the second water pipe 32 and the drain pipe 36. Can be done.

The hot water tank 31 is for heating the stored drinking water to obtain hot water. A band heater 31a is wound around the lower outer periphery, and the hot water heated by the band heater 31a passes through the hot water pipe 33 by water pressure. The hot water discharge port 34 can be taken out.
Further, the outer periphery of the hot water tank 31 is covered with a heat insulating cover 39 through a heat insulating space 38.

The water storage tank 13 and the cold water tank 20 are provided with an intake valve 90 and an exhaust valve 91 for intake or exhaust according to the increase or decrease of the cooling water.
The intake valve 90 and the exhaust valve 91 are directly attached to the water storage tank 13 and the cold water tank 20, and the intake valve 90 is opened when the cooling water decreases, and air is sucked into the tank, and the exhaust valve 91 is cooled. When water increases, it opens and discharges air inside the tank.

Although not shown in the drawings, antibacterial ceramic balls wrapped in a cloth or a net are accommodated inside the water storage tank 13, the cold water tank 20, and the hot water tank 31.
Further, antibacterial ceramic balls are also accommodated in the cold water discharge port 22 and the hot water discharge port 34, in the middle of each pipe, and in the pump 14.
An antibacterial filter is accommodated inside the intake valve 90 and the exhaust valve 91.
Thus, if an antibacterial ceramic ball or an antibacterial filter is provided in each part, the propagation of various germs can be suppressed and the hygiene can be improved.

The water tank 4 is formed in a film tank formed of a flexible film that can be freely deformed.
As the material of the water tank 4 (film tank), a flexible film (polypropylene film, polyethylene laminate film, etc.) is used, and a material that does not cause harm to the human body (for example, elution and odor of environmental hormones). Is used.
The water tank 4 contains drinking water (mineral water) in a sealed state in advance.

In the drinking water dispenser of the present embodiment, the connection pipe 10 of the water absorption pipe 11 (water absorption flow path 1) is connected to the cylindrical mouth portion 40 of the water tank 4 during normal use.
In this state, drinking water is sent from the water tank 4 through the water absorption channel 1 to the water storage tank 13 and the cold water tank 20, and the cold water cooled in the cold water tank 20 can be taken out from the cold water discharge port 22 through the cold water pipe 21. it can.
Also, drinking water flows from the cold water tank 20 and the water storage tank 13 into the hot water tank 31 through the first water pipe 30 and the second water pipe 32, and the heated hot water is taken out from the hot water discharge port 34 through the hot water pipe 33. Can do.

Next, a connection structure between the water tank 4 and the water absorption channel 1 which is a main part of the present invention will be described.
As described above, the connecting pipe 10 provided at the proximal end of the water absorption pipe 11 is detachably connected to the cylindrical mouth portion 40 of the water tank 4 containing drinking water. The cap with valve 5 is detachably mounted.

As shown in FIG. 2, the cap with valve 5 includes an outer cylinder portion 50, a thin upper surface wall 51 projecting downward from the inner peripheral upper portion of the outer cylinder portion 50, and a discharge formed on the outer cylinder portion 50. The water inlet pipe 52, a finger hook ring 53 (manual opening means) for pulling up and deforming the thin upper wall 51 to open the water outlet pipe 52, and a protrusion 54 that holds the finger hook ring 53 and holds it in the raised state. (Holding means).
In the figure, reference numeral 55 denotes a spout tube cap.

  And as shown in FIG. 3, the cylindrical opening part 40 of the said water tank 4 is inserted between the inner peripheral surface of the outer cylinder part 50 of the said cap 5 with a valve, and the outer peripheral surface of the thin upper surface wall 51. The cap 5 with a valve is attached to the cylindrical mouth portion 41, and the thin top wall 51 is in close contact with the outer periphery 40a of the upper end of the cylindrical mouth portion 40 so that the spout tube 52 is closed. Has been.

  As shown in FIG. 4, when the thin top wall 51 is pulled up by the finger ring 53 and the finger ring 53 is locked to the protruding portion 54 and held in the pulled state, the spout pipe 52 is opened. Can be retained. Thereby, even in the state where the water tank 4 is not connected to the water absorption channel 1, the water discharge pipe 52 can be opened as necessary.

At the time of connection, as shown in FIG. 5, the connecting pipe 10 provided at the base end of the water absorption pipe 11 is inserted and fitted into the water outlet pipe 52 of the valved cap 5. the pressing portion 8a formed at the distal end thus the thin upper wall 51 is deformed pushed up by opening it spout tube 52, the water tank 4 in the suction pipe 11 (water channel 1) and be in communication with it can.
The water discharge pipe 52 and the connection pipe 10 are taper-fitted.

  As described above, in the connection structure between the water tank 4 and the water absorption flow path 1 in the beverage water supply machine, in the state where the connection pipe 10 is not inserted and fitted into the water discharge pipe 52 of the cap 5 with the valve, the cylindrical mouth portion is provided. Since the spout pipe 52 of the cap with valve 5 attached to 40 is closed, invasion of various germs from the spout pipe 52 can be prevented, and the hygiene aspect can be secured.

If the connecting pipe 10 is inserted and fitted into the water outlet pipe 52, a coupler structure is formed in which the water outlet pipe 52 functions as a socket and the connecting pipe 10 functions as a plug.
Then, by inserting and fitting the connecting pipe 10 into the spout pipe 52, the thin top wall 51 is pushed up and deformed by the pressing portion 8a formed at the distal end of the connecting pipe 10, and the spout pipe 52 is opened. Since the tank 4 and the water absorption pipe 11 communicate with each other, the connection work and the communication work can be performed simultaneously, and the connection work is simplified.

  Further, since the spout pipe 52 and the connecting pipe 10 are taper-fitted, the fitting state can be reliably maintained.

Next, FIG. 6 is an exploded sectional view showing a connection structure between a water tank and a water absorption channel in a drinking water supply apparatus according to a second embodiment corresponding to claim 4 of the present invention, and FIG. 7 shows the connection structure. It is sectional drawing shown.

In this embodiment, a socket 6 with a valve is provided at the proximal end of the water absorption pipe 11 (water absorption flow path 1), and a water outlet pipe 52 of a cap 5 with a valve is inserted and fitted into the socket 6 with a valve. It is formed as follows.
As shown in FIG. 6, a locking claw 61 that engages with a locking groove 52 a formed on the outer periphery of the water discharge pipe 52 in the state where the water discharge pipe 52 is inserted and fitted inside the socket 6 with a valve. together provided, the valve body 62 to open by receding more pushed by the pressing portion 8b formed on the tip of the spout tube 52 is incorporated.
In addition, the socket 6 with a valve can use the same thing as the socket with a valve of the conventionally known one-touch coupler.

Therefore, as shown in FIG. 7, when the spout pipe 52 is inserted and fitted into the socket 6 with valve and connected, the locking claw 61 engages with the locking groove 52a, and the insertion fitting state is changed. and at the same time held, the valve body 62 is opened by more pushed retracted pressing portion 8b formed on the tip of the spout tube 52, the water tank 4 in the suction pipe 11 (water channel 1) and communicating Can be made.

In the connection structure described above, when the water discharge pipe 52 is inserted and fitted into the valve-equipped socket 6, a coupler structure in which the water discharge pipe 52 functions as a plug is formed.
Then, by inserting and fitting the spout pipe 52 into the socket 6 with the valve, the valve body 62 in the socket 6 with the valve is opened, and the water tank 4 and the water absorption pipe 11 communicate with each other. Work can be performed at the same time, and connection work is simplified.
Moreover, since it becomes a connection structure provided with the double valve structure of the cap 5 with a valve and the socket 6 with a valve, invasion of various germs can be prevented and a hygiene aspect can be secured.

In the present invention, as the drinking water supply device, the water storage tank 13 in the drinking water supply device shown in FIG. 1 is omitted, and accordingly, the upper portion in the cold water tank 20 is extended to the bottom portion of the hot water tank 31. Then, it may be formed in a drinking water feeder having a structure in which a water pipe is piped.
Moreover, it may be formed in a drinking water dispenser dedicated to cold water having a water absorption channel and a cold water channel, or may be formed in a drinking water dispenser dedicated to hot water having a water absorption channel and a hot water channel. .

It is a mimetic diagram of a drinking water supply machine concerning the 1st example corresponding to claim 1 of the present invention. It is a disassembled sectional view which shows the connection structure of the water tank and water absorption flow path in this drinker. It is sectional drawing which shows the state which mounted | wore the cylindrical opening part with the cap with a valve. It is sectional drawing which shows the state which open | released the spout pipe | tube of the cap with a valve by pulling up of a finger ring. It is sectional drawing which shows the connection structure of a water tank and a water absorption flow path. It is a disassembled sectional view which shows the connection structure of a water tank and a water absorption flow path in the drinking water dispenser according to the second embodiment corresponding to claim 4 of the present invention. It is sectional drawing which shows the connection structure.

DESCRIPTION OF SYMBOLS 1 Water absorption flow path 10 Water intake opening 11 Water absorption pipe 12 Branch pipe 13 Water storage tank 13a Water level sensor 14 Pump 14a Expansion / contraction chamber 14b Reciprocating drive part 2 Cold water flow path 20 Cold water tank 20a Evaporation pipe 21 Cold water pipe 22 Cold water discharge port 3 Hot water flow path 30 1st water supply pipe 31 Hot water tank 31a Band heater 32 2nd water supply pipe 33 Hot water pipe 34 Hot water discharge port 35 Steam pipe 36 Drain pipe 37 Drain cock 38 Thermal insulation space 39 Thermal insulation cover 4 Water tank 40 Cylindrical mouth part 5 Cap with valve 50 Outer cylinder portion 51 Thin top wall 52 Water outlet tube 52a Locking groove 53 Finger ring (manual release means)
54 Protrusion (holding means)
55 Cap for spout pipe 6 Socket with valve 61 Locking claw 62 Valve body
8a Pushing part
8b Push part 90 Intake valve 91 Exhaust valve

Claims (4)

A water absorption channel formed with a water intake port that is detachably connected to a water tank containing drinking water, and the drinking water absorbed from the water tank by a pump provided in the water absorption channel is cooled in the cold water tank and discharged from the cold water. A drinking water dispenser having a cold water flow path to be taken out from an outlet and / or a hot water flow path in which drinking water absorbed from a water tank by a pump provided in the water absorption flow path is heated in the hot water tank and taken out from a hot water discharge port In
A cap with a valve is detachably attached to the cylindrical mouth of the water tank,
The cap with a valve includes an outer cylinder part, a thin upper wall protruding downward from the inner peripheral upper part of the outer cylinder part, and a water discharge pipe protruding from the outer cylinder part,
The water discharge pipe is closed with the valve cap inserted into the cylindrical port portion of the water tank inserted between the outer peripheral surface of the outer tube portion of the valve cap and the outer peripheral surface of the thin upper wall. Formed into
A connecting pipe is provided at the proximal end of the water absorption flow path, and a tip end portion of the connecting pipe is formed as a pressing portion for pushing up and deforming the thin wall of the thin wall, and the connecting pipe is connected to the outlet pipe of the cap with valve. to by connecting fitted insertion, the pressing portion of the connection tube the thin top wall is deformed lifting open at the spout tube, the spout and the water tank and the water flow path in communication A drinking water dispenser characterized in that a coupler structure is formed in which a tube functions as a socket and the connecting tube functions as a plug.   The drinking water dispenser according to claim 1, wherein the water outlet pipe of the cap with valve and the connection pipe of the water absorption channel are formed to be taper-fitted.   The drinking water supply machine according to claim 1 or 2, wherein the thin upper wall of the cap with valve is provided with manual opening means for pulling up and deforming the thin upper wall to open the spout pipe. Machine. A water absorption channel formed with a water intake port that is detachably connected to a water tank containing drinking water, and the drinking water absorbed from the water tank by a pump provided in the water absorption channel is cooled in the cold water tank and discharged from the cold water. A drinking water dispenser having a cold water flow path to be taken out from an outlet and / or a hot water flow path in which drinking water absorbed from a water tank by a pump provided in the water absorption flow path is heated in the hot water tank and taken out from a hot water discharge port In
A cap with a valve is detachably attached to the cylindrical mouth of the water tank,
The cap with a valve is formed by pulling up and deforming an outer cylinder part, a thin upper wall protruding downward from the inner peripheral upper part of the outer cylinder part, a water discharge pipe formed in the outer cylinder part, and the thin upper wall. Manual opening means for opening the spout pipe, and holding means for holding the manual opening means in a pulled-up state,
The water discharge pipe is closed with the valve cap inserted into the cylindrical port portion of the water tank inserted between the outer peripheral surface of the outer tube portion of the valve cap and the outer peripheral surface of the thin upper wall. Formed into
A socket with a valve is provided at the proximal end of the water absorption flow path, and a tip of the water discharge pipe is formed at a pressing portion for opening a valve body provided in the socket with valve, and the socket with valve has the When the spout pipe of the cap with valve is inserted and fitted and connected, the valve body in the socket with valve is opened by being pushed back by the pusher, and the water tank and the water absorption channel communicate with each other. A drinking water dispenser characterized in that a coupler structure is formed in which the spout tube functions as a plug.

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