JP3829245B2 - Adapter for cleaning dispenser - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dispenser cleaning adapter, and more particularly to a dispenser cleaning adapter used when cleaning a piping path of a draft beer dispenser, for example.
[0002]
[Prior art]
In general, when cleaning the piping path of draft beer dispensers, remove the dispensing head from the beer barrel, attach it to the adapter for the cleaning container containing the cleaning liquid (water), and then inject carbon dioxide into the cleaning container. Is washed through the pipe line of the dispenser.
[0003]
An example of this type of dispenser cleaning adapter is disclosed in Japanese Patent Application No. 11-156318. The dispenser cleaning adapter includes a connecting portion attached to the mouth portion of the dispenser cleaning container, a mounting portion for detachably mounting the dispense head via a fastening means, and a liquid flow path provided at the bottom center of the mounting portion. And a pressurized gas flow passage provided in the vicinity of the outer periphery of the liquid flow passage. The dispenser washing adapter configured as described above can be used to periodically wash the dispenser, so that the hygienic aspects of the dispenser and the quality of beer can be maintained.
[0004]
[Problems to be solved by the invention]
However, in the conventional dispenser cleaning adapter, the liquid flow path and the pressure gas flow path are formed to be considerably smaller than the mouth of the cleaning container, so that the inside of the cleaning container is checked (inspected). There is a problem that it is difficult to confirm the cleaning state from the amount of the cleaning liquid in the cleaning container. In addition, since a siphon tube extending to the vicinity of the lower part of the cleaning container is attached to the liquid flow path, when the cleaning liquid remaining in the cleaning container after removing the dispensing head is discharged, the cleaning liquid is not changed even if the cleaning container is turned upside down. Since it can be discharged only from the pressure gas passage, it takes a lot of time to discharge the cleaning liquid. Furthermore, since the adapter is fastened and fixed to the cleaning container with a constant torque so that carbon dioxide does not leak, there is a problem that the dispense head cannot be easily removed, and even if it is removed, it must be retightened with a constant torque. It was.
[0005]
The present invention has been made in view of the above circumstances so that the confirmation (inspection) in the cleaning container is facilitated, the cleaning is facilitated, and the cleaning liquid remaining in the cleaning container can be easily discharged. An object of the present invention is to provide a dispenser cleaning adapter.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is an adapter body attached to the mouth of a dispenser cleaning container and mounted with a dispense head, a fluid guide member having a liquid flow passage and a pressure gas flow passage. The fluid guide member includes a cylindrical base portion that constitutes the liquid flow passage, and an outward flange portion that is formed at an upper end of the cylindrical base portion, and the outward flange portion includes the adapter body. The inner diameter of the outer flange is smaller than the inner diameter of the inner flange, and is formed to be detachable from the inward flange portion. A second seal member that is in close contact with the inner peripheral edge of the portion is mounted .
[0007]
With this configuration, when cleaning the dispenser, the fluid guide member is attached to the adapter body attached to the cleaning container, and the pumping gas is put into the cleaning container with the dispense head attached. By supplying, the cleaning liquid in the cleaning container can be flowed to the dispenser side for cleaning. Further, when confirming (inspecting) the inside of the cleaning container, the fluid guide member can be removed from the adapter body to confirm (inspect) the inside of the cleaning container. Further, the cleaning liquid remaining in the container can be discharged by inverting the cleaning container with the fluid guide member removed.
[0008]
In addition, since the second ring-shaped seal member that is in close contact with the outer peripheral edge of the inward flange portion is mounted on the outer peripheral lower surface of the outward flange portion that is smaller in diameter than the inner peripheral diameter of the adapter main body, a fluid guide member for the adapter main body Can be easily attached and detached, and the air-tightness between the two can be maintained.
[0009]
According to a second aspect of the present invention, there is provided the adapter for cleaning a dispenser according to the first aspect, wherein a taper surface having a diameter increasing upward is formed on an outer peripheral edge portion of the inward flange portion of the adapter body, and the fluid guide member A taper surface that decreases in diameter is formed on the lower outer peripheral surface and outer peripheral side surface of the outward flange portion of the outer flange portion, and a circumferential groove is formed in the tapered surface portion, and a second seal member is fitted into the circumferential groove. It is characterized by being fitted together.
[0010]
With this configuration, the fluid guide member can be easily attached to the adapter main body by forming tapered surfaces on the outer peripheral lower surface and the outer peripheral side surface of the inward flange portion of the adapter main body and the outward flange portion of the fluid guide member. At the same time, the air-tightness of the adapter body and the fluid guide member can be further improved.
[0011]
Collision invention of claim 3, wherein, in the dispenser cleaning adapter of claim 2, on both sides facing the lower surface of the outward flange portion of the fluid guide member, the stopper projection piece omission of the second sealing member It is characterized by being provided.
[0012]
By comprising in this way, since a 2nd sealing member is pressed down by the protrusion for retaining, the 2nd sealing member can be prevented from dropping carelessly. Further, it is possible to easily remove the seal member from a portion without the retaining protrusion.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of a dispenser cleaning adapter according to the present invention will be described below in detail with reference to the accompanying drawings.
[0014]
First Embodiment FIG. 1 is a schematic configuration diagram showing a usage state of a dispenser cleaning adapter according to the present invention, FIG. 2 is a half sectional view showing a mounting state of the dispenser cleaning adapter, and FIG. FIG. 4 is an exploded perspective view of the adapter for cleaning the dispenser. FIG. 4 is a plan view of the adapter (a), a cross-sectional view of the main part along the line II of FIG.
[0015]
The dispenser cleaning adapter P (hereinafter referred to as adapter P) is attached to the mouth 20 of a dispenser cleaning container 2 (hereinafter referred to as cleaning container 2) as shown in FIGS. 1, a fluid flow passage 40 for discharging a cleaning liquid, for example, water, in the cleaning container 2, and a pressure-feeding gas flow path 41 for injecting a pressurized gas, for example, carbon dioxide gas, into the cleaning container 2. It is mainly composed of the guide member 4. In this case, the fluid guide member 4 is detachably attached to the adapter body 3.
[0016]
The adapter body 3 is formed of a plastic member, for example. As shown in FIGS. 2, 3 and 4, the adapter body 3 is formed in a substantially cylindrical shape, and is a male screw provided in the mouth 20 of the cleaning container 2 on the inner peripheral surface of the lower end opening 30a. An internal thread portion 31 that is screwed to the portion 21 is formed.
[0017]
Further, an inward flange portion 32 having a hanging piece 32 a that hangs downward from the tip is formed in the intermediate portion of the adapter body 3. In this case, a concave groove 33 is formed by the inward flange portion 32, the hanging piece 32a, and the side wall 32b, and the first sealing member that can be in close contact with the upper surface of the mouth portion 20 of the cleaning container 2 is formed in the concave groove 33. The O-ring 5 is installed.
[0018]
In addition, a concave mounting portion 34 is formed in the upper end opening 30b of the adapter main body 3 so that the mounting collar portion 10 of the dispensing head 1 is detachably engaged. In this case, the mounting portion 34 is provided with engaging protrusions 35 protruding inward at two locations facing each other to fasten the attachment flange portion 10 of the dispense head 1. In addition, the taper surface 35b is formed in the corner | angular part of the lower surface 35a of the engagement protrusion 35 (refer FIG.3 (c)). In this case, the attachment flange portion 10 is formed with a notch (not shown) larger than at least the engagement protrusion 35.
[0019]
The notch (not shown) provided in the attachment hook part 10 of the dispense head 1 is matched with the engagement protrusion 35 of the attachment part 34 formed in this way, and the attachment hook part 10 is inserted into the attachment part 34, and By rotating in the horizontal direction, the mounting flange 10 is guided by the tapered surface 35 b of the engaging protrusion 35 and engages with the lower surface of the engaging protrusion 35. As a result, the dispensing head 1 is attached to the adapter body 3. In addition, when removing the adapter main body 3, it can remove by making the notch of the attachment collar part 10 correspond to the engagement protrusion 35 by operation reverse to the said operation.
[0020]
In addition, a stepped portion 36 is formed in the lower portion of the mounting portion 34, which has a diameter reduced from the inner periphery of the mounting portion 34 and extends to the inward flange portion 32. Notched grooves 36c for venting the cleaning container 2 from the step top surface 36b to the bottom of the stepped portion 36 are formed at appropriate positions (four locations in this case) on the peripheral wall 36a of the stepped portion 36. Further, in order to discharge the carbon dioxide gas discharged from the notch groove 36c to the outside, for example, two locations on the upper surface of the edge of the upper end opening 30b of the adapter body 3 are opposed to each other. A discharge groove 37 is formed (see FIG. 3).
[0021]
In addition, rib pieces 38 hanging from the upper part are provided at appropriate positions (in this case, four locations) on the outer side of the adapter body 3. By rotating the adapter body 3 with the rib pieces 38, cleaning is performed. It can be easily attached to the mouth portion 20 of the container 2 for use. In addition, a screw hole 39 that penetrates from the outer part to the inner part and is provided with a screw part 39 is formed in one part near the lower part of the outer part of the adapter body 3, and a set screw 39 a is screwed into the screw hole 39. By doing so, the attachment of the adapter main body 3 and the cleaning container 2 can be strengthened.
[0022]
The fluid guide member 4 is formed of, for example, a plastic member, like the adapter body 3. As shown in FIGS. 3 and 4, the fluid guide member 4 is formed of a cylindrical base portion 42 that constitutes the liquid flow passage 40 and an outward flange portion 43 that is formed at the upper end of the cylindrical base portion 42. ing. In this case, the outward flange portion 43 is formed to be smaller in diameter than the inner peripheral diameter of the adapter main body 3, and a plurality of (four cases are shown in the drawing) at appropriate intervals on a concentric circle on the outer periphery of the liquid flow passage 40. A circular gas groove-shaped pressure-feed gas flow passage 41 is formed. A pipe mounting portion 44 having a smaller diameter than the cylindrical base portion 42 is formed at the lower end of the cylindrical base portion 42, and a siphon tube 45 to be inserted into the cleaning container 2 is attached to the pipe mounting portion 44. (See FIGS. 1 to 3).
[0023]
A second O-ring 6 that is a second seal member that is in close contact with the outer peripheral edge portion 32c of the inward flange portion 32 formed on the adapter main body 3 is mounted on the outer peripheral lower surface 43a of the outward flange portion 43. Has been. In this case, the second O-ring 6 is fitted and mounted in a circumferential groove 43 c formed on the outer peripheral side surface 43 b of the outward flange portion 43.
[0024]
When the adapter P configured as described above is used, first, the inward flange portion 32 formed on the adapter body 3 is attached to the mouth portion 20 of the cleaning container 2 via the first O-ring 5. To do. Usually, the adapter body 3 is attached to the mouth 20 of the cleaning container 2 in advance. The fluid guide member 4 is inserted from the upper end opening 30b of the adapter main body 3 thus mounted, and is mounted on the outer flange portion 43 of the fluid guide member 4 on the upper surface of the outer peripheral edge of the inward flange portion 32 of the adapter main body 3. The attached second O-ring 6 is closely attached. Then, after inserting a notch (not shown) of the attachment collar portion 10 of the dispense head 1 into the attachment portion 34 so as to match the engagement protrusion 35 of the adapter body 3, the dispense head 1 is rotated to attach the attachment collar portion 10 Is engaged with the engaging protrusion 35. As a result, the mounting flange portion 10 of the dispense head 1 is fastened in a state of pressing the outward flange portion 43 of the fluid guide member 4, so that the second O-ring 6 is outside the inward flange portion 32 of the adapter body 3. It is in close contact with the peripheral edge. Therefore, the air tightness of the adapter P is maintained.
[0025]
In order to clean the dispenser 7, as shown in FIG. 1, a carbon dioxide gas cylinder 8, which is a pressurized gas supply source, is connected to the dispensing head 1 through a gas hose 80 and a pressure reducing valve 81, while being formed on the top of the dispensing head 1. The dispenser 7 is connected to the outlet 11 via the beer hose 70. The dispense head 1 connected in this way is provided with an operation lever 12 of a valve (not shown), and the carbon dioxide flow passage 41 supplied from the carbon dioxide gas cylinder 8 by opening the valve with the operation lever 12. The cleaning liquid, that is, water filled in the cleaning container 2 is pressurized through the water, passes through the liquid flow path 40 through the siphon tube 45, enters the dispenser 7 through the beer hose 70, and is discharged from the tap 71. Thus, the cleaning operation can be performed.
[0026]
According to the adapter P configured as described above, the adapter main body 3 and the fluid guide member 4 are detachably formed. Therefore, after the dispensing head 1 is removed, the fluid guide member 4 attached to the adapter main body 3 is removed. Can be removed. Therefore, since the inside of the cleaning container 2 can be confirmed (inspected) with the fluid guide member 4 removed, the amount of water in the cleaning container 2 can be confirmed to know the confirmation status. Further, after the cleaning operation is completed, the cleaning container 2 can be turned upside down to discharge the water remaining in the cleaning container 2.
[0027]
Second Embodiment FIG. 5 is a half sectional view (a) showing a second embodiment of the dispenser washing adapter P of the present invention, (a) an enlarged view of part A (b) and II- in (a). It is sectional drawing (c) which follows an II line.
[0028]
In the second embodiment, the air-water tightness between the adapter main body 3 and the fluid guide member 4 is further improved. That is, a taper surface 32d that expands upward is formed on the outer peripheral edge portion 32c of the inward flange portion 32 of the adapter body 3, and the outer peripheral lower surface 43a and the outer peripheral side surface 43b of the outward flange portion 43 of the fluid guide member 4 are This is a case where a tapered surface 43d having a diameter decreasing downward is formed, a circumferential groove 43c is formed in the tapered surface 43d portion, and the second O-ring 6 is fitted and attached to the circumferential groove 43c.
[0029]
In the second embodiment, the other parts are the same as those in the first embodiment. Therefore, the same parts are denoted by the same reference numerals and description thereof is omitted.
[0030]
In this manner, the outer peripheral edge portion 32c of the inward flange portion 32 of the adapter body 3 is formed with the tapered surface 32d that expands upward, while the outer peripheral lower surface 43a and the outer peripheral side surface of the outward flange portion 43 of the fluid guide member 4 are formed. By forming a tapered surface 43d having a diameter decreasing downward in 43b, the fluid guide member 4 can be smoothly attached to and removed from the adapter main body 3. Moreover, since the 2nd O-ring 6 closely_contact | adheres to the taper surface 32d provided in the inward flange part 32 of the adapter main body 3, a contact area increases and it can improve airtightness.
[0031]
Third Embodiment FIG. 6 is an enlarged cross-sectional view showing a third embodiment of the dispenser cleaning adapter P of the present invention.
[0032]
The third embodiment prevents the second O-ring 6 from inadvertently dropping from the fluid guide member 4, and the fluid guide member 4 when the second O-ring 6 is replaced due to wear or the like. It is a case where it can be removed from. That is, a taper surface 32d that expands upward is formed on the outer peripheral edge portion 32c of the inward flange portion 32 of the adapter body 3, and the outer peripheral lower surface 43a and the outer peripheral side surface 43b of the outward flange portion 43 of the fluid guide member 4 are A tapered surface 43d that decreases in diameter downward is formed, a circumferential groove 43c is formed in the tapered surface 43d portion, and the second O-ring 6 is fitted and attached to the circumferential groove 43c. This is a case where protrusions 43e for retaining the second O-ring 6 are provided on both opposing sides of the lower surface of the direction flange 43.
[0033]
In addition, in 3rd embodiment, since another part is the same as said 1st and 2nd embodiment, the same code | symbol is attached | subjected to the same part and description is abbreviate | omitted.
[0034]
In this way, the protrusions 43e for retaining the second O-ring 6 are provided on both opposing sides of the lower surface of the outward flange portion 43, so that the second O-ring 6 is prevented from retaining. Since it is fixed by 43e, it can prevent falling out of the fluid guide member 4 carelessly. Further, when the second O-ring 6 is deteriorated due to wear or the like, it is possible to remove the second O-ring 6 from the circumferential groove 43c of the fluid guide member 4 by picking an exposed portion other than the both-out retaining projection 43e. it can. When attaching the new second O-ring 6, first, the both ends of the new second O-ring 6 are engaged with the both-out retaining projections 43e, and the remaining portion is placed in the circumferential groove 43c. What is necessary is just to make it fit.
[0035]
【The invention's effect】
As described above in detail, since the dispenser cleaning adapter of the present invention is configured as described above, the following excellent effects can be obtained .
[0036]
(1) According to the first aspect of the invention, when the dispenser is washed, the fluid guiding member is attached to the adapter body attached to the washing container, and the pumping gas is supplied with the dispense head attached. Since the cleaning liquid can be supplied into the cleaning container and the cleaning liquid in the cleaning container can be flowed to the dispenser side, the dispenser can be easily cleaned. Moreover, since the fluid guide member can be removed from the adapter main body attached to the container, confirmation (inspection) in the dispenser cleaning container can be easily performed. Thereby, since the state of the cleaning liquid in the cleaning container can be known, the cleaning operation can be facilitated. Moreover, since the cleaning liquid remaining in the cleaning container can be discharged by inverting the cleaning container with the fluid guide member removed, the remaining cleaning water can be easily drained.
[0037]
(2) Further, the outer peripheral lower surface of the outward flange portion is smaller than the inner circumference of the adapter body, by mounting a second sealing member in close contact with the outer peripheral edge of the inward flange portion, against the adapter body The fluid guide member can be easily attached and detached, and the air-water tightness between the two can be maintained.
[0038]
(3) According to the invention of claim 2, by forming tapered surfaces on the outer peripheral edge of the inward flange portion of the adapter body and the outer peripheral lower surface and the outer peripheral side surface of the outward flange portion of the fluid guide member, In addition to 1) and (2), the fluid guide member can be more easily attached to the adapter body, and the air tightness of the adapter body and the fluid guide member can be further improved.
[0039]
(4) According to the invention described in claim 3 , the second seal member is locked by the retaining protrusions projecting on opposite sides of the lower surface of the outward flange portion of the fluid guide member. In addition to the above (3), it is possible to prevent the second seal member from inadvertently dropping off. Further, it is possible to easily remove the seal member from a portion without the retaining protrusion.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram showing a use state of a dispenser cleaning adapter according to the present invention.
FIG. 2 is a half sectional view showing a mounted state of the dispenser cleaning adapter of the present invention.
FIG. 3 is a plan view of the dispenser cleaning adapter of the present invention (a), a half sectional view (b), and a principal sectional view (c) taken along line II of FIG.
FIG. 4 is an exploded perspective view of the dispenser cleaning adapter of the present invention.
FIG. 5 is a half sectional view showing a second embodiment of the adapter for cleaning a dispenser of the present invention (a), an enlarged view of a part A in (a), and a sectional view taken along line II-II in (a). (C).
FIG. 6 is a half sectional view showing a third embodiment of the dispenser cleaning adapter of the present invention.
[Explanation of symbols]
P Dispenser cleaning adapter 1 Dispensing head 2 Dispenser cleaning container 3 Adapter body 4 Fluid guide member 5 First O-ring (first seal member)
6 Second O-ring (second seal member)
20 mouth portion 32 inward flange portion 35 engagement protrusion 35b taper surface 40 liquid flow passage 41 carbon dioxide gas passage (pressure feed gas passage)
42 cylindrical base 43 outward flange 43d taper surface 43e retaining piece

Claims (3)

An adapter body attached to the mouth of the dispenser cleaning container and fitted with a dispense head; and a fluid guide member having a liquid flow passage and a pressure gas flow passage;
The adapter body is formed in a substantially cylindrical shape having an inward flange portion that comes into contact with the mouth portion of the dispenser cleaning container via the first seal member, and for fastening the dispense head on the inner peripheral edge of the upper end opening. With an engaging projection,
The fluid guide member includes a cylindrical base portion constituting the liquid flow passage and an outward flange portion formed at an upper end of the cylindrical base portion, and the outward flange portion has an inner peripheral diameter of the adapter body. The inner diameter of the inward flange portion is smaller than that of the inward flange portion. A dispenser cleaning adapter comprising a second seal member that is in close contact with the portion. The adapter for cleaning a dispenser according to claim 1 ,
On the outer peripheral edge portion of the inward flange portion of the adapter body, a tapered surface that expands upward is formed,
A taper surface that is reduced in diameter downward is formed on the outer peripheral lower surface and the outer peripheral side surface of the outward flange portion of the fluid guide member, a circumferential groove is formed in the tapered surface portion, and a second groove is formed in the circumferential groove. A dispenser cleaning adapter comprising a sealing member fitted and mounted. The adapter for cleaning a dispenser according to claim 2 ,
A dispenser cleaning adapter, wherein protrusions for retaining the second seal member protrude on opposite side portions of the lower surface of the outward flange portion of the fluid guide member.

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