JP3746571B2 - Dedicated stopper for pressurized beer barrel - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dedicated plug for a pressurized via barrel used for a pressurized via barrel, and more particularly to a dedicated stopper for a pressurized via barrel that has safety provided with a pop-out preventing means when removing carelessly. is there.
[0002]
[Prior art]
The dedicated plug for pressurized beer barrels has the function of injecting beer in factories, etc., the function of connecting a pouring device in a store etc. and introducing carbon dioxide for pressurization into the barrels, and the introduced carbon dioxide gas A function of pouring beer out of the barrel by operating the dispenser adapter by pressurization and at least four functions of cleaning the inner surface of the via barrel in a factory or the like are required.
[0003]
And this special plug for pressurized beer barrel (hereinafter referred to as a spear tube type plug) is used in a state where it is screwed (by a screw and a taper) to the via barrel base, and the via barrel is cycled approximately every five years. The rubber seal or the like is replaced and used again.
[0004]
This spear tube type stopper is formed at the upper edge part of the trunk, the trunk that houses the via valve, gas valve, via spring, gas spring, via spring holding disc, etc., the down tube that extends from the trunk to the bottom of the via barrel It consists of a male threaded part and a seal ring.
[0005]
Since the male screw part of the spear tube type plug configured as described above is screwed into the female screw part formed on the inner surface side of the base of the via barrel and is used to be firmly attached to the via barrel, It is unlikely that the spear tube plug will break away or jump out of the via barrel during use.
[0006]
However, for example, when removing the spear tube type plug for cleaning, repair, etc., if the inside of the via barrel is not exhausted sufficiently and there is residual pressure, the male screw part of the spear tube type plug is At the same time as it was removed from the female threaded portion of the base, the spear tube type plug suddenly popped out due to the action of residual pressure, and there was a risk of unexpected accidents such as damage to workers and damage to equipment.
[0007]
In order to prevent such accidents, spear tube-type stoppers equipped with pop-out prevention means have been proposed, some of which have already been commercialized and widely used in Europe.
[0008]
Among the spear tube type stoppers provided with the pop-out preventing means, one that has been commercialized is one that protrudes into the body and incorporates a pop-out preventing pin so as to be retractable. This is because the structure in the body is somewhat complicated, and cleaning is difficult. In addition, there is a down tube with a hinge-shaped set of metal members attached to it, but when removing the spear tube-type stopper from the barrel, the hinge is closed so that it comes out of the base. Therefore, the work of overturning the beer barrel is necessary and troublesome.
[0009]
In addition, it is extremely difficult to apply the pop-out preventing means described above as it is to a conventional spear tube-type stopper that is ready-made or currently used.
The applicant of the present application has made a series of proposals and made a series of proposals to prevent the spear tube stopper from popping out in order to solve the problems of the prior art (Patent Application No. 192230, etc.).
[0010]
[Problems to be solved by the invention]
However, according to the proposed pop-out prevention device, since the mounting position of the pop-out prevention piece is below, in the unlikely event that the spear tube type plug pops out, the pop-out prevention piece is the lower edge of the via barrel base. As a result, the pop-up preventing piece may be damaged. In order to prevent such breakage, there has been a problem that the pop-out prevention metal piece must be constructed firmly.
[0011]
Accordingly, the present invention has been made in view of the above problems, its object is adapted to exert full pop-out preventing function, has a simple structure, it can further reduce the material used, and ready-made plugs It is easy to manufacture by remodeling, and no special procedure is required at the time of assembly. It is to provide.
[0014]
[Means for Solving the Problems]
In order to solve the above-described problems and achieve the object, according to the present invention, the beer barrel is used by being detachable in a state including screwing, and injecting beer into the via barrel. A first function, a second function of introducing a pressurized gas into the via barrel after connecting a beer dispenser adapter, and pouring beer out of the via barrel with the pressurized gas; and In a dedicated plug for a pressurized via barrel having at least a third function for cleaning the inside of the via barrel, it is joined to the base in an airtight state and forms a seating surface of a gas valve for introducing the pressurized gas And a barrel portion that holds a gas spring holding plate that supports a lower end portion of a gas spring that pierces the gas valve toward the seating surface side at a lower end portion, and has a side opening formed in a cylindrical portion that extends downward. And the inner diameter part of the gas spring A down tube that is sandwiched between a step portion of the gas valve and an upper end portion of the gas spring to support in the inserted state in the gas valve, and extends from the trunk portion to the vicinity of the bottom portion of the via barrel, and the down tube In the tube, a dedicated plug for a pressurized via barrel configured by a via valve that is biased by a via spring so as to be biased toward the seating surface side of the gas valve, and an inner diameter portion of the base when inserted into the base It is elastically deformed inward by abutting on the surface, and after insertion, it is elastically deformed so as to protrude in the radial direction through the side opening, and the gas valve is lowered downward by a predetermined distance by a jig. when depressed, to have the side opening pop-out pieces can be elastically deformed removable upward through the bore of the ferrule by moving inward by the abutment of the lower portion of the bets In addition, an annular portion sandwiched between the flange portion of the down tube and the upper end portion of the gas spring, a hanging portion extending downward from the annular portion, and a reverse formed on a part of the hanging portion It has a U-shaped notch, and is provided with pop-out prevention means in which the pop-out piece is integrally formed with one side below the notch as a base .
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments will be described in detail with reference to the drawings.
[0016]
FIG. 1 is a central cross-sectional view of a via barrel showing an embodiment, and shows a state after a pop-out prevention metal piece is set at a normal position. In this state, the spear tube plug does not pop out due to the internal pressure of the barrel.
[0017]
The spear tube-type stopper 5 includes a body portion 50 and a down tube 6, and a male screw portion 51 formed on the body portion 50 is screwed to a female screw portion of the base 4. set. Further, an opening 55 is formed below the side surface portion of the body portion 50, and a pop-out preventing piece 73 protruding outward from the opening 55 as shown in the drawing is attached.
[0018]
And it is comprised so that beer may be poured out of the barrel through the down tube 6 by the pressurization to the beer liquid level by the carbon dioxide gas introduced after attaching the adapter for dispensers mentioned later.
[0019]
Next, FIG. 2 (a) is a front view of the spear tube type stopper 5, and FIG. 2 (b) is a side view showing a partially cutaway body portion.
[0020]
In both figures, the pop-out prevention metal piece 73 formed integrally with the drooping piece 7 protrudes outward from the opening 55 in a substantially arc shape as shown in FIG. For this reason, when the male threaded portion 51 of the spear tube-type stopper 5 is removed from the female threaded portion 4b of the base 4, the tip end portion 73a of the pop-out preventing metal piece 73 becomes the lower edge 4a of the base 4 (FIG. 1). The spear tube type stopper 5 can be prevented from popping out.
[0021]
Further, when removing the spear tube type plug 5 from the via barrel 1, the down tube 6 is pushed down (in order to push down the down tube 6, a dedicated instrument similar to a dispenser head-of course, a gas cylinder or a plug for connecting to a dispenser. Is not provided).
[0022]
In accordance with this pushing operation, the hanging piece 7 is similarly pushed downward, so that the pop-out preventing metal piece 73 comes into contact with the side portion 55a below the opening 55, and a component force is generated and pushed inward. It becomes.
[0023]
As a result, the spear tube type stopper 5 can be pulled out from the base 4 without any trouble. At this time, even if gas remains in the via barrel 1, the gas is completely discharged through the large gap between the body portion 50 and the base 4, so that the spear tube type plug 5 does not jump out.
[0024]
Next, FIG. 3 is an external perspective view of a spear tube type stopper 5 of another embodiment. In this figure, the drooping piece 7 is formed integrally with a flange portion (not shown) of the down tube 6 and a fixing ring 71 shown by a broken line sandwiched between upper ends of the gas springs 52 from a single metal plate. Further, the pop-out preventing metal piece 73 is pressed so as to have a substantially V-shaped cross section as shown in the drawing, and has sufficient strength.
[0025]
The side 55a below the opening 55 is processed into a substantially V shape as shown in the figure, and the above-mentioned component force is generated so that the pop-out prevention metal piece 73 can be contacted evenly. It prevents the excessive load from being applied when being pushed inward.
[0026]
Next, FIG. 4A is a central cross-sectional view showing a state after the spear tube type plug 5 shown in FIG. 3 is attached to the via barrel 10, and FIG. 4B is a view of cleaning the inside of the barrel. It is operation | movement explanatory drawing which showed.
[0027]
In this figure, the same reference numerals are given to the components that have already been described, and the description thereof will be omitted. When the unexplained portion is described, a female screw portion 4b is formed on the base 4 and the male screw of the barrel portion 50 is formed. The seal ring 8 maintains an airtight state so as to be screwed into the portion 51.
[0028]
A gas spring 52 that constantly urges the gas valve 9 to move upward and a down tube 6 with a built-in via spring 53 that constantly urges the via valve 11 to move upward are provided concentrically within the body 50. The lower end of the gas spring 52 is detachably fixed by the holding plate 12 at the lower end of the trunk.
[0029]
That is, the barrel portion 50 is screwed into the base 4 in an airtight state by the seal ring 8, forms a seat surface 50 t of the gas valve 9 for introducing carbon dioxide gas, and extends downward in a cylindrical portion 50 s. A side opening 55 is formed, and a gas spring holding plate 12 that supports the lower end of the gas spring 52 that urges the gas valve 9 toward the seating surface 50t is held at the lower end.
[0030]
Further, the down tube 6 is supported in an inserted state at the inner diameter portion of the gas spring 52, and for this reason, the flange portion 6b is sandwiched between the step portion 9a of the gas valve 9 and the upper end portion of the gas spring 52, and It extends from the trunk portion 50 to the vicinity of the bottom of the via barrel.
[0031]
In the down tube 6, a via spring 53 that is biased toward the seating surface 9 c of the gas valve 9 and a via valve 11 that is biased by the via spring 53 are incorporated.
[0032]
In the above configuration, the pop-out prevention piece 73 is elastically deformed inward by the abutting action with respect to the inner diameter portion of the base 4 when inserted into the base 4, and protrudes in the radial direction from the opening 55 after the insertion. It will be in the state which resets so that it may contact | abut to the lower edge part 4a fully. Further, when the gas valve 9 is sufficiently pushed down, the pop-out preventing piece 73 comes into contact with the side portion 55a below the opening portion 55 and moves inward by a component force, so that it can be removed.
[0033]
In the above configuration, the conventional spear tube plug 5 is used as it is so that the fixing ring 71 of the hanging piece 7 is sandwiched between the flange portion 6b at the upper end of the down tube 6 and the upper end portion of the gas spring 52. To be able to.
[0034]
Next, FIG. 5 is an external perspective view showing a configuration example of the hanging piece 7. In this figure, if the residual pressure in the via barrel is about 5 atmG or less, as shown in FIG. 5 (a), the drooping piece 7, the fixing ring 71, the connecting portion 72 formed integrally from this, and the pop-out prevention metal The piece 73 can be configured to be bent and pressed as shown.
[0035]
Further, when the pop-out preventing piece 73 has a more rigid shape, it may be processed from a simple planar shape to a trapezoidal, V-shaped, or curved shape as shown in FIGS. 5 (b) to 5 (e). .
[0036]
It should be noted that one or more of the above pop-out preventing metal pieces 73 can be provided, and an accident caused by the spear tube-type stopper popping out can be prevented by a very simple additional mechanism. Can be reused.
[0037]
Next, FIG. 6 is a central cross-sectional view showing the main part of the spear tube type stopper 5, which is in an airtight state after being attached to the via barrel 10.
[0038]
In this figure, the same reference numerals are given to the components that have already been described, and the description will be omitted and limited to the characteristic portions. Combined.
[0039]
In addition, a pair of protrusions 22 are integrally formed on the inner peripheral surface side of the body 50, and a dispenser adapter and a jig, which will be described later, are engaged with and fixed to the protrusions 22 and screwed together. These protrusions 22 are used when releasing the state.
[0040]
Further, the body 50 is formed with a seating surface 50t as a contact surface of a rubber gas valve 9 formed integrally with the stainless steel ring 21, and the gas valve 9 is always energized by the gas spring 52. Airtight state is maintained between.
[0041]
An opening 55 for introducing gas into the barrel is formed on the lower side surface of the barrel portion 50, and the gas valve 9 is urged toward the seating surface 50t at the lower end portion of the barrel portion 50. A gas spring holding plate 12 for supporting the lower end of the gas spring 52 is detachably provided.
[0042]
Furthermore, a via valve 11 that is biased by a via spring 53 is built in the down tube 6 on the seating surface 9c side of the gas valve 9, and an airtight state is maintained between the contact surface 11a and the seating surface 9c. is doing.
[0043]
In the above configuration, the pop-out preventing piece 73 of the drooping piece 7 is elastically deformed inward by abutting against the inner diameter portion of the base 4 when inserted into the base 4, and in the radial direction through the opening 55 after insertion. It is configured to be elastically deformed so as to protrude and to prevent the above-mentioned popping out.
[0044]
Further, in the beer factory, the gas valve 9 and the via valve 11 are simultaneously cleaned in the vertical direction by moving 6 mm of the distance D2 downward. At this time, the pop-out prevention piece 73 is located at the position indicated by the solid line. Is moved by about 6 mm from the distance D2 to the position shown by the broken line, and the pop-out prevention piece 73 comes into contact with the side portion 55a of the opening and moves inward by the component force.
[0045]
FIG. 7 is a central cross-sectional view showing a state in which the dispenser adapter 100 indicated by a two-dot chain line is fixed so as to be engaged with the protrusion 22 of the spear tube type stopper 5.
[0046]
In this figure, after setting the dispenser adapter 100, the handle 101 is moved downward and fixed, so that the gas valve 9 and the via valve 11 move downward, respectively, and the carbon dioxide G is moved in the directions of arrows G1 and G2. In addition to being introduced, beer is pumped in the directions of arrows F1 and F2 through the down tube 6 and the cock 102 is operated so as to be discharged to the outside.
[0047]
At this time, the pop-out preventing piece 73 moves from the position shown by the broken line to the position shown by the solid line and moves by about 4 mm of the distance D1, but the pop-out preventing piece 73 is in contact with the side portion 55a of the opening as shown. Will not move and will not deform.
[0048]
Next, FIG. 8 is a central cross-sectional view showing a state in which the jig 200 is fixed to the protrusion 22 of the spear tube type stopper 5.
[0049]
In this figure, the jig 200 is fixed to the base 201 and a base 201 formed with a hole 201 a that guides the plunger 202 so as to be movable in the vertical direction and a pair of grooves 201 b that engage with the protrusion 22. A rotating handle 203, a pin 205 supported at both ends at the base 201, and a rotating handle 204 eccentrically supported by the pin 205 so as to be rotatably supported in the direction of arrow K in the figure. This is a dedicated jig for moving the plunger 202 downward by abutting the upper end 202a of the plunger 202 to move downward by the turning operation of the turning handle 204.
[0050]
After setting the jig 200 as shown in the figure, the rotary handle 203 is rotated in the direction of the arrow shown in the figure to release the screwed state of the male and female screws 51 and 4b.
[0051]
Next, as shown in FIG. 9, after the jig 200 and the spear tube-type stopper 5 are moved upward, the plunger 202 is moved to the gas valve by turning the turning handle 204 as shown. 9 is moved to the position shown.
[0052]
As a result, the pop-out prevention piece 73 moves from the position shown by the broken line to the position shown by the solid line, and the maximum movement of about 9 mm, which is the distance D3, is performed. At this time, as shown in the figure, the pop-out prevention piece 73 abuts on the side portion 55a of the opening 55 and sufficiently moves to the inside of the opening 55 by the component force. It becomes possible to pull out the integrated member of the jig 200 and the spear tube type plug 5 as it is from the portion.
[0053]
FIG. 10 is a flowchart showing a typical use example of the spear tube type stopper 5. In this figure, first, the spear tube stopper 5 is set in the beer barrel 10 in step S1, and then, in the beer factory, the jump-out preventing piece 73 is shown in FIG. Thus, the beer is filled by being moved downward by a distance D2 of 6 mm by an automatic beer injection device. This number is around 30 times a year.
[0054]
Following this, cold storage and delivery are performed in step S3, and the dispenser 100 is fixed in the store or the like to the state shown in FIG. At this time, the pop-out prevention piece 73 is moved downward by 4 mm, which is the distance D1, as shown in FIG. 7, and the beer flows out, but this number is about 100 times a year depending on the store. Become.
[0055]
In step S5, the dispenser 100 is used to dispense the beer mug according to the customer, and the process is performed until the via barrel is emptied (step S6).
[0056]
After this, in order to use it for uses other than beer in step S7, the occurrence of an accident by a malicious third party trying to forcefully remove the spear tube plug 5 is prevented. Subsequently, in step S8, empty beer barrels with the spear tube type stopper 5 are collected and collected in a beer factory.
[0057]
In step S9, the factory side determines whether or not the via barrel with the spear tube-type stopper 5 has passed for five years. If it is less than five years, the process returns to step S2 until the following step S7. repeat.
[0058]
When five years have passed, in step S10, the jig 200 is used, or in the automatic beer pouring device, the pop-out prevention piece 73 is about 9 mm which is the distance D3 as shown in FIG. After moving downward, it is removed, and rubber-related parts are exchanged in step S11 so as to be used again.
[0059]
Accordingly, since the pop-out preventing piece 73 is moved downward by about 9 mm, which is the distance D3, once every five years, the influence of metal fatigue or the like can be minimized. FIG. 11 is an external perspective view showing a configuration example of the hanging piece 7. In this figure, the drooping piece 7 is integrally pressed from a stainless steel plate of SUS304 3/4 hard having a plate thickness t, and includes a fixing ring 71, a connecting portion 72 integrally formed from this, and a pop-out preventing piece 73. When the width of the base portion of the pop-out preventing piece 73 is b and the distance from the base portion to the working end is L, a state in which a load P is applied to the working end is shown.
[0060]
FIG. 12A shows the actual measurement of the drooping piece 7 of FIG. 11 and the calculation result of the stress at the base (point A). As shown in the figure, when the pop-out prevention piece 73 moves downward by a distance of 6 mm, it comes into contact with the lower side 55a of the opening 55, and the actually measured load at this time was 1.5 kg. As a result of input and calculation, it has been found that it is sufficiently smaller than the spring stress limit of the stainless steel plate of SUS304 3/4 hard.
[0061]
FIG. 12B shows the state of actual measurement of the drooping piece 7 of FIG. 11 and the state where the pop-out preventing piece 73 is in contact with the gas spring holding plate 12 at the base (point B). Thus, the calculation result when the pop-out prevention piece 73 moves downward by a distance of 9 mm is shown.
[0062]
According to this figure, the pop-out prevention piece 73 is in a state of being completely in contact with the lower side 55a of the opening 55 and is moved inward by the component force. At this time, the actually measured load is 5 kg, and the gas spring is held. Since the distance to the panel 12 was 10.5 mm, the result was calculated by inputting the value into the formula, and it was found that the distance was smaller than the spring limit of the stainless steel plate of SUS304 3/4 hard.
[0063]
From the above, it was confirmed by measurement and stress calculation that permanent deformation that occurs when elastically deforming so as to be removable upward from the inner diameter portion of the die can be prevented.
[0064]
【The invention's effect】
As described above, according to the present invention, a complete pop-out prevention function is exhibited, the structure is simple, the material to be used can be reduced, and it can be easily manufactured by modification to an existing spear tube type stopper In addition, it is possible to provide a dedicated plug for a pressurized via barrel that does not require a special procedure during assembly, and that is easily and reliably removed by using a jig and has excellent durability .
[0068]
[Brief description of the drawings]
FIG. 1 is a central cross-sectional view of a via barrel equipped with a spear tube type stopper.
FIG. 2 is a front view (a) of a spear tube type stopper, and a side view (b) of the spear tube type stopper.
FIG. 3 is an external perspective view of a spear tube type stopper.
FIG. 4 is a central sectional view (a) of a spear tube type stopper, and a central sectional view (b) of an operation explanation of the spear tube type stopper.
FIG. 5 is an external perspective view showing a configuration example of the hanging piece 7;
6 is a central cross-sectional view showing the main part of the spear tube type stopper 5. FIG.
FIG. 7 is a central cross-sectional view showing a state where the adapter for dispenser 100 is fixed so as to engage with the protrusion 22 of the spear tube-type stopper 5;
8 is a central cross-sectional view showing a state in which a jig 200 is fixed to a protrusion 22 of a spear tube type stopper 5. FIG.
9 is a central cross-sectional view showing a state in which a jig 200 is fixed to a protrusion 22 of a spear tube type stopper 5. FIG.
FIG. 10 is a flowchart showing a typical use state of the spear tube type stopper 5;
FIG. 11 is an external perspective view showing a configuration example of the drooping piece 7;
12A is a state of actual measurement of the drooping piece 7 of FIG. 11 and a calculation result of stress at the base (point A). FIG. 11B shows the actual measurement of the drooping piece 7 in FIG. 11 and the calculation result when the pop-out prevention piece 73 moves downward by a distance of 9 mm.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Upper protector 3 Lower protector 4 Base 5 Spear tube type plug 6 Down tube 7 Hanging metal piece 8 Seal ring 9 Gas valve 11 Via valve 12 Gas spring holding board 50 Body 51 Male thread 52 Gas spring 53 Via spring 55 Opening 55a Side 73 Pop-out prevention piece 100 Dispenser adapter 200 Jig

Claims (3)

A first function for injecting beer into the via barrel and a beer dispenser adapter are connected to the via barrel after being used in a state including screwing with respect to the via barrel base. For a pressurized beer barrel having at least a second function of introducing pressurized gas and pouring beer out of the via barrel with the pressurized gas, and a third function of cleaning the via barrel In the special stopper,
It is joined to the base in an airtight state, forms a seating surface of the gas valve for introducing the pressurized gas, and has a side opening formed in a cylindrical portion extending downward, and at a lower end portion A body portion that holds a gas spring holding plate that supports a lower end portion of the gas spring that urges the gas valve toward the seating surface side, and a flange portion that supports the gas spring in an inserted state in an inner diameter portion of the gas spring; A down tube that is sandwiched between the upper end of the gas spring and extends from the trunk to the vicinity of the bottom of the via barrel, and a via spring that biases toward the seat surface side of the gas valve in the down tube It is a dedicated plug for a pressurized beer barrel composed of a via valve energized by
When inserted into the base, it is elastically deformed inward by contact with the inner diameter portion of the base, and after insertion, it is elastically deformed so as to protrude in the radial direction through the side opening, and the jig is used to When the gas valve is pushed downward in a substantially vertical direction by a predetermined distance, it moves inward by contact with the lower side of the side opening and elastically deforms so as to be removable upward through the inner diameter of the base. An annular portion having a protruding piece, an annular portion sandwiched between the flange portion of the down tube and the upper end portion of the gas spring, a hanging portion extending downward from the annular portion, and a part of the hanging portion consists reversed U- shaped cut portion formed, the pop-out piece the cut portion of the pressurized via barrel dedicated plug, characterized in that one side of the lower provided with preventing means jumping out integrally formed in the base to The pop-out preventing means has a cross section so that the width of the horizontal portion of the protruding piece bent in the radial direction from the substantially inverted V-shaped cut portion formed in the hanging portion is narrower than the width of the cut portion. It was formed into a substantially U- shaped, pressurized via barrel dedicated plug according to claim 1, characterized in that shaping reversed V- shape in order to increase the rising portion flexural strength. The pop-out preventing means is integrally processed from a high elastic modulus plate material having a predetermined thickness to which SUS304 3/4 hardware is fitted, and the stress generated in the base as the pop-out piece elastically deforms the stress limit of the plate material. By setting the shape so as not to exceed, the pop-out piece moves inward due to contact with the lower side of the side opening, and is permanently generated when it is elastically deformed so as to be removable upward from the inner diameter portion of the base. The dedicated stopper for a pressurized beer barrel according to claim 1 or 2 , wherein distortion is prevented.

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