JP5773934B2 - Filling valve - Google Patents

Description

  The present invention relates to a filling valve for filling a container with a beverage or the like in which a filling nozzle is attached to the tip of a filling valve body.

2. Description of the Related Art Conventionally, some filling valves are provided with a filling nozzle portion having a screen for the purpose of preventing foreign matters from being mixed into the container when filling the liquid, and the effect of rectifying the filled liquid.
In general, the screen is disposed between the liquid passage of the filling valve body below the liquid passage opening / closing portion and the liquid passage of the filling nozzle at the tip. When replacing the screen, it is necessary to attach and detach the filling nozzle to and from the filling valve body, and a technique for facilitating attachment and detachment of the filling nozzle to and from the filling valve body is known in order to facilitate screen replacement. (For example, refer to Patent Document 1 (FIG. 1)).

In recent years, the types of filling liquids or container shapes have been diversified, and the frequency of changing the type of filling liquid or changing the type of container shape is increasing.
For this reason, the attachment and detachment of the filling nozzle with the filling valve body requires not only the replacement of the screen but also the replacement of the filling nozzle for changing the type of the filling liquid or changing the type of the container shape. Is increasing.
In addition, in a filling device for beverages or the like, there is a tendency to increase the number of filling valves provided in one filling device to increase the efficiency of productivity, and it is further easy to attach and detach the filling nozzle to and from the filling valve body. There is a growing demand for further improvement in productivity.

JP 2011-57266 A

  According to Patent Document 1, in a filling valve in which a screen is disposed between a liquid passage in a liquid passage of a filling valve main body below a liquid passage opening and closing portion and a liquid passage of a filling nozzle at a tip portion, The U-shaped spring that engages and engages with the filling valve body can be easily attached and detached with the filling valve body of the filling nozzle.

  However, since the technique of Patent Document 1 requires at least two operations of attaching and detaching the U-shaped spring and attaching and detaching the filling nozzle, the filling valve provided with a plurality of filling valves has the filling valve of the filling nozzle. There is a fear that it takes a lot of time to attach and detach the main body.

  Further, according to Patent Document 1, the filling nozzle is sandwiched as a combination of a groove having a two-sided width portion facing an engagement portion of the filling nozzle with the U-shaped spring and an arc portion adjacent to the groove. It is proposed that the filling nozzle and the filling valve body can be easily attached and detached by pulling downward while sandwiching and rotating with a tool.

  However, according to the technology of Patent Document 1, depending on the type of filling liquid or the type of container shape (round shape, square shape, irregular cross-sectional shape, etc.), the filling nozzle is matched to the container shape for filling performance. In some cases, it may be necessary to regulate the direction of mounting with the valve body.

  As a further improvement in view of the above situation, the present invention provides a filling valve for filling a container with a filling nozzle having a filling nozzle attached to the tip of the filling valve body. An object of the present invention is to provide a filling valve that can be easily attached and detached with one touch even when the direction of mounting of the filling nozzle and the filling valve body is required.

The present invention solves the above problems by the following means.
(1) The filling valve of the first means can be engaged with an engagement portion provided in the filling nozzle in a filling valve for filling a beverage or the like having a filling nozzle attached to the tip of the filling valve body. Thus, the engaging body reciprocally movable with respect to the hole provided in the lower portion of the filling valve main body is moved to the engaging portion side together with the spring body disposed on the opposite side of the engaging body to the engaging portion side. The filling valve body of the filling nozzle is pushed and engaged with the engaging portion, and is pushed in the opposite direction to the engaging portion side to be disengaged from the engaging portion. It is characterized in that it can be attached and detached.

(2) The filling valve of the second means is a filling valve of the first means, wherein the engagement portion is formed by a recess having a V-shaped inclined portion provided on the outer periphery of the filling nozzle, and The front end of the engaging body on the engaging portion side is formed in a protruding shape such as a spherical shape or a U-shape.

(3) The filling valve of the third means is the filling valve of the first and second means, wherein the engaging body is disposed outside the filling valve main body and the cylindrical body that can be raised and lowered is in the lowered state. Sometimes, the contact between the end surface of the engaging body opposite to the engaging portion side and the inner peripheral surface of the tubular body is pushed out to the engaging portion side against the spring force of the spring body. When the cylindrical body is in the raised state, the contact with the inner peripheral surface of the cylindrical body is released by the spring force of the spring body and the engagement with the engaging portion is released. It was comprised so that it might be comprised.

(4) The filling valve of the fourth means is the filling valve of the first and second means, wherein the engaging body is pushed out toward the engaging portion by the spring force of the spring body. The engagement with the engagement portion is released by being pushed against the spring force of the spring body by the pushing external force that is engaged with the engagement body in the opposite direction to the engagement portion side. It is characterized by being configured.

  The present invention according to claim 1 is a filling valve that fills a container with beverage or the like having a filling nozzle attached to the tip of the filling valve main body, and is engageable with an engaging portion provided in the filling nozzle. An engagement body that is reciprocally movable with respect to a hole provided in a lower portion of the filling valve main body is pushed toward the engagement portion side together with a spring body disposed on the opposite side of the engagement body to the engagement portion side. The filling nozzle is attached to and detached from the filling valve body by being engaged with the engaging portion and being pushed in a direction opposite to the engaging portion side to be disengaged from the engaging portion. In addition to the effect that the filling nozzle can be attached to and detached from the filling valve body with a single touch, there is a direction restriction on the attachment of the filling nozzle to the filling valve body. The filling node Detachment of the filling valve body readily the filling nozzle in only the operation of pulling or pushing of Le is an effect that it is possible.

  According to a second aspect of the present invention, there is provided the filling valve according to the first aspect, wherein the engaging portion is constituted by a recess having a V-shaped inclined portion provided on the outer periphery of the filling nozzle, and the engaging body. Since the front end portion of the engaging portion side is formed in a spherical or U-shaped projection shape, the engaging body can be smoothly engaged and released from the engaging portion. .

  According to a third aspect of the present invention, in the filling valve according to the first and second aspects, when the engaging body is disposed outside the filling valve main body and is movable up and down, the tubular body is lowered. The contact between the end surface of the engaging body opposite to the engaging portion side and the inner peripheral surface of the cylindrical body is pushed and engaged with the engaging portion side against the spring force of the spring body, When the cylindrical body is in the raised state, the engagement with the engagement portion is released by being pushed back by the spring force of the spring body by releasing the contact with the inner peripheral surface of the cylindrical body. As a result, when the beverage or the like is filled in the container, the cylindrical body is in the lowered state, and thus there is an effect that the engagement body is not likely to drop off during the liquid filling.

  According to a fourth aspect of the present invention, in the filling valve according to the first and second aspects, the engagement body is pushed out to the engagement portion side by the spring force of the spring body and engaged with the engagement portion. The engagement with the engagement portion is released by being pushed in against the spring force of the spring body by a pushing external force acting on the engagement body in a direction opposite to the engagement portion side. As a result, even if the cylindrical body remains in the lowered state, the filling nozzle can be easily attached to and detached from the filling valve main body only by pulling out or pushing in the filling nozzle, and liquid filling can be performed. There is an effect that sometimes the engagement body is not likely to fall off.

It is a front view of a filling valve concerning a 1st embodiment of the present invention, and is a partial sectional view. It is an enlarged view of the lower part of the filling valve | bulb of FIG. 1, and is front sectional drawing. It is an enlarged view of the symbol 3 of FIG. It is an enlarged view of the symbol 4 of FIG. 2, and is a front view. FIG. 3 is a front cross-sectional view illustrating attachment / detachment of the filling nozzle from the tip of the filling valve, corresponding to FIG. 2. (A) is a figure which shows only the principal part by the VI view of FIG. 1, and shows the case where there is no direction regulation in attachment or detachment with the filling valve main body of a filling nozzle, (b) is a figure equivalent to (a). FIG. 5 is a diagram showing a case where there is a direction restriction on the attachment and detachment of the filling nozzle with the filling valve body. It is front sectional drawing of the filling valve concerning the 2nd Embodiment of this invention, and is a figure equivalent to FIG. It is the VIII section enlarged view of FIG. It is a figure equivalent to FIG. 8, and is a figure which supplementally explains the second embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. In addition, constituent elements in the following embodiments include those that can be easily assumed by those skilled in the art or those that are substantially the same.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a front view of a filling valve according to a first embodiment of the present invention, which is a partial cross-sectional view.
FIG. 2 is an enlarged view of the lower part of the filling valve of FIG.
FIG. 3 is an enlarged view of symbol 3 in FIG.
4 is an enlarged view of the symbol 4 in FIG. 2 and is a front view.
FIG. 5 is a front sectional view for explaining attachment / detachment of the filling nozzle from the front end portion of the filling valve, and corresponds to FIG.
FIG. 6A is a view showing only the main part in the VI view of FIG. 1 and showing a case where there is no direction restriction on the attachment and detachment of the filling nozzle with the filling valve body, and FIG. It is a figure equivalent to, and is a figure which shows the case where there is direction regulation in attachment and detachment with the filling valve main body of a filling nozzle.

1 and 2, the filling valve 1 has a liquid passage 15 a, an inner cylinder 15 that is liquid-tightly attached to a filling valve main body 19 that is fixed to a frame (not shown), and an inner side of the inner cylinder 15. And a liquid valve 13 having a liquid valve packing 13p that opens and closes the liquid passage by being separated from the liquid valve seal surface 15s of the inner cylinder 15, and the liquid passage below the liquid passage opening and closing portion includes A filling valve body lower part 16 integrated with the filling valve body 19 is sandwiched between a receiving surface 11r of a filling nozzle 11 having a liquid passage 11a and a lower surface of the inner cylinder 15 by a screen 10 such as a mesh. The reciprocating engagement body 3 that slides in the hole 16h engages with the recess (engagement portion) 11h of the filling nozzle 11 so that the filling nozzle 11 is liquidated on the lower surface of the inner cylinder 15 and the lower portion 16 of the filling valve body. Dense It is mounted.
A liquid is supplied into the inner cylinder 15 from a liquid tank (not shown) through a pipe (not shown).
FIG. 1 shows a state where the filling valve 1 is opened and the container 5 is filled with liquid, and FIG. 2 shows a state where the filling valve 1 is closed.

As shown in the upper part, the liquid valve 13 is movable by an actuator 26 attached to a gantry 25 provided on the housing 24 via a housing 24 that is liquid-tightly fixed to the filling valve main body 19. The liquid valve packing 13p is separated from the liquid valve seal surface 15s by moving up and down by the operation of the actuator 26. The liquid valve 13 slides in a liquid-tight manner with respect to the housing 24.
Further, the liquid valve 13 is guided by four liquid valve guides 13 a integrated with the liquid valve 13 so as to slide smoothly on the inner surface of the inner cylinder 15.

A centering bell 17 having a container mouth seal packing 17a that engages with the mouth of the container 5 on the container base 6 is disposed on the outer peripheral side of the inner cylinder 15, and the outer surface of the centering bell 17 is filled with the filling. The centering bell 17 is slidable in the vertical direction with respect to the lower portion 16 of the valve body. Further, the centering bell 17 is a U-shaped spring 20 made of a stainless steel wire for a spring that engages with a groove 17h provided on the outer peripheral surface. The centering bell mounting member 21 is attached to the centering bell mounting member 21 by engaging with the upper surface of the centering bell mounting member 21.
Further, the flange portion 21a of the centering bell mounting member 21 is clamped by a clamp 23a via a guide shaft tip portion 22a integrated with the guide shaft 22 below the guide shaft 22 with a step. It has been.

The guide shaft 22 is guided by a roller 22r rotatably attached to a shaft 22p attached to a bracket 22c fixedly attached to the guide shaft 22 by a cam (not shown). It is guided up and down by a sliding guide (not shown) fitted to a guide plate 27 attached to the upper surface of the actuator 26, and a sliding guide (not shown) fitted to the flange 19f of the filling valve main body 19. Is moved up and down.
Further, as shown in the upper portion of the guide shaft 22, the plate 28 is fastened by a fastener 23b via a guide shaft tip 22b in which the plate 28 is integrated with the guide shaft 22 with a step difference. It is pinched and tightened. An actuator 29 is attached to the guide plate 27 via a bracket 29b. A shaft 29a of the actuator 29 is attached to the plate 28. When the actuator 29 is operated, the shaft 29a is moved up and down. The guide shaft 22 is moved up and down together with the centering bell 17 together with the plate 28.

  The recess 11h is disposed on the outer periphery of the filling nozzle 11 and has a V-shaped inclined portion. As shown in FIG. 3, the tip 3r has a U-shaped (or spherical) protruding shape. The engagement body 3 has a shape that can be easily engaged, and the engagement body 3 is engaged with the recess 11h when the end surface 3b of the engagement body 3 includes the centering bell 17 (including the container port seal packing 17a). ), The engagement body 3 is pushed into the recess 11h.

  A groove 3g having a locking portion 3s is provided on the end surface 3b side of the engagement body 3, and a spring body 4 indicated by a two-dot chain line in FIG. 3 is fitted into the groove 3g. The engagement body 3 is disengaged from the recess 11h when the end surface 3b is released from contact with the inner peripheral surface of the centering bell 17 in the raised state, and the spring body 4 described later is moved outward. This is done by moving outwardly through the locking portion 3s by the spring force.

As shown in FIG. 4, the spring body 4 has a C-shape with a cut 4c in a part of the entire circumference of the ring, and is illustrated when the engagement body 3 is engaged with the recess 11h. When the engagement body 3 is disengaged from the recess 11h, the engagement body 3 is shaped to open outward as indicated by a two-dot chain line in the figure, and the 4c is opened. Thus, the engagement body 3 can be fitted into the groove 3g.
Further, the corner 3c on the end surface 3b side of the engagement body 3 is chamfered or rounded so that the end surface 3b can smoothly contact or be released from the inner peripheral surface of the centering bell 17. .

As shown in FIG. 5, the filling nozzle 11 is provided with a groove 11g on the outer periphery, and the filling nozzle 11 can be attached and detached in the direction D shown in the figure by fitting a tool 30 at two opposite positions of the groove 11g. It has become.
As an example, the tool 30 has an engaging portion 31a and an engaging portion 32a each having a tip engaged with the groove 11g, and a pair of holding tool 31 and holding tool 32 swinging around the pin 34, It is constituted by a spring 33 that engages the inside of the pinching tool 31 and the pinching tool 32. The tool 30 is normally operated in the opening direction by the spring 33, and when the pinching tool 31 and the pinching tool 32 are pinched by hand, the engaging portion 31a and the engaging portion 32a are engaged with the groove 11g, and the filling is performed. The nozzle 11 can be attached and detached by pushing or pulling out.

Next, the operation of the filling valve 1 according to the first embodiment of the present invention will be described.
When the filling nozzle 11 is removed from the lower portion 16 of the filling valve body 16 when the screen 10 is replaced or the filling nozzle 11 is replaced, the filling valve 1 is closed as shown in FIG. The actuator 29 is actuated by operation on the operation panel, and the centering bell 17 is raised in the Y direction as shown in FIG. 5 via the shaft 29a, the plate 28, the shaft 22, and the centering bell mounting member 21, and the above-mentioned engagement is achieved. When the end surface 3b of the united body 3 is detached from the inner peripheral surface of the centering bell 17, the engagement body 3 is moved in the direction of the arrow X by the action of the spring body 4, and the engagement body 3 and the recess 11h When the engagement is released, the filling nozzle 11 can be pulled out in the direction of the arrow D along with the release of the engagement body 3, and the screen 10 is exchanged. Alternatively it is possible to perform the replacement of the filling nozzle 11.

Here, when the filling nozzle 11 is pulled out in the direction of the arrow D, it can be pulled out by hand, but can also be pulled out using the tool 30.
After the replacement of the screen 10 or the like, the filling nozzle 11 is pushed in by hand or using the tool 30 and the centering bell 17 is lowered, so that the end surface 3b comes into contact with the inner peripheral surface of the centering bell 17 and is depressed. The filling nozzle 11 is mounted on the lower portion 16 of the filling valve body by being pushed out to the 11h side and the engaging body 3 is engaged with the recess 11h.

In the case of the first embodiment of the present invention, when the beverage or the like is filled in the container, the centering bell 17 is in the lowered state, so that the engaging body 3 and the spring body 4 may drop off. There is no.
In the above description, the case where the end surface 3b contacts the inner peripheral surface of the centering bell 17 is described. However, the centering bell 17 is not limited to the centering bell. Since the operation is similar, detailed description is omitted.

  The mounting of the filling nozzle to the lower portion of the filling valve main body includes a case where the mounting portions of the filling nozzle 11 and the filling valve main body lower portion 16 are circular as shown in FIG. As shown in FIG. 6B, the mounting portion of the filling nozzle 11A and the filling valve main body lower portion 16A is partially non-circular having a straight portion F. As an example, the filling nozzle 11 shown in FIG. There is a case where there is a direction restriction such that the front end portion 11p is directed to the central portion of the side of the rectangular container.

In the case as shown in FIG. 6A, when the filling nozzle 11 is mounted on the lower portion 16 of the filling valve body, the filling nozzle 11 is opposite to the arrow D as described above by using a hand or a tool 30. The filling nozzle 11 may be pushed in the circumferential direction.
On the other hand, in the case of FIG. 6B, when the filling nozzle 11A is pushed in, the filling nozzle 11A cannot be pushed in the circumferential direction, and the illustrated linear portion of the filling nozzle 11A and the filling valve main body lower portion 16A is not shown. It is necessary to push in while checking the direction of F.
In both the case of FIG. 6A and the case of FIG. 6B, in the first embodiment of the present invention, the filling nozzle can be detached from the lower part of the filling valve body with one touch.

  6 (a) or 6 (b) shows the case where three holes 16h or 16Ah through which the engaging body 3 reciprocates are provided, the holes 16h or 16Ah are limited to three. It may not be 1 place, 2 places, or 4 places or more, and detailed explanation is omitted.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS.
FIG. 7 is a front sectional view of the filling valve according to the second embodiment of the present invention, and corresponds to FIG.
FIG. 8 is an enlarged view of a part VIII in FIG.
FIG. 9 is a diagram corresponding to FIG. 8 and is a diagram for supplementarily explaining the second embodiment of the present invention.
In FIG. 7, the same structure as that of the first embodiment is denoted by the same symbol, and redundant description is omitted.
Further, in FIG. 7, the structure corresponding to FIG. 9 is indicated by a symbol ().

  7 and 8, the filling valve 2 has a spherically shaped engaging body 7 that slides in a hole 161h provided in the lower part 161 of the filling valve main body and moves the push plate 8 that is reciprocally movable in the direction of the arrow X2. Then, the tip 7h of the engagement body 7 is engaged with the depression 11h by being pushed toward the depression 11h of the filling nozzle 11 by the O-ring shaped spring body 9. In addition, the engaging body 7 is configured to be regulated so that the amount of pushing of the filling nozzle 11 toward the recess 11h side becomes an appropriate amount by hitting the stopper shoulder 161s of the lower part 161 of the filling valve main body 161.

  In addition, another example of the second embodiment of the present invention will be described with reference to FIG. 9. An engaging body 71 having a tip 71 h having a U-shaped projection and a step 71 s is a filling valve. It slides in a hole 162h having a step provided in the lower part 162 of the main body and is reciprocally movable in the direction of arrow X2, and is pushed out to the depression 11h side of the filling nozzle 11 by an O-ring shaped spring body 91, A distal end portion 71h of the engagement body 71 is engaged with the recess 11h. In addition, the engaging body 71 is configured to be regulated so that the amount of pushing of the filling nozzle 11 toward the depression 11h side becomes an appropriate amount by hitting the stepped portion 162s of the hole 162h.

Next, the operation of the filling valve 2 according to the second embodiment of the present invention will be described.
When the filling nozzle 11 is removed from the filling valve main body lower portion 161 (or the filling valve main body lower portion 162) in the exchange of the screen 10 or the like, the tool is kept in a state where the filling valve 1 is closed as shown in FIG. 30 and picking the tool 30 in the direction of arrow E by pinching the engaging part 31a and the engaging part 32a of the holding tool 31 and the engaging part 32a with the groove 11g of the filling nozzle 11, respectively. When pulled out, in the case of the embodiment shown in FIG. 8, since the engaging body 7 has a spherical shape and the recess 11h has an inclined surface, the engaging body 7 has the O-ring shaped spring body. 9 is pushed in the direction opposite to the recess 11 h side against the spring force of 9, the engagement can be released, and the filling nozzle 11 can be easily pulled out from the lower portion 161 of the filling valve body.
The filling nozzle 11 can be easily pushed into the lower portion 161 of the filling valve main body 161. However, since the description is similar, detailed description thereof is omitted.

Further, in the case of the embodiment shown in FIG. 9, since the distal end portion 71h of the engagement body 71 has a round shape and the recess 11h has an inclined surface, the engagement body 71 has the O-ring. It is pushed in the direction opposite to the recess 11h side against the spring force of the spring body 91 having the shape, so that the engagement can be released, and the filling nozzle 11 can be easily pulled out.
The filling nozzle 11 can be easily pushed into the lower portion 162 of the filling valve main body, but since the description is similar, detailed description thereof is omitted.

As described above, in the case of the second embodiment of the present invention, even when the centering bell 17 is in the lowered state, the filling nozzle 11 is moved to the filling valve body lower portion 161 (or the filling valve body lower portion 162). Since the filling nozzle 11 can be attached to the filling valve body lower portion 161 (or the filling valve body lower portion 162) by pushing, the filling valve body lower portion 161 of the filling nozzle 11 (or the filling valve body lower portion) 162) can be easily detached with one touch.
Further, the fact that the detachment can be easily performed even when there is no direction restriction of the mounting of the filling nozzle to the filling valve main body and when there is the direction restriction is the same as the contents described in the first embodiment of the present invention. Since they are the same, redundant description is omitted.

DESCRIPTION OF SYMBOLS 1, 2, Filling valve 3, 7, 71 Engagement body 4 Spring body (C-shaped ring shape) 5 Container 9, 91 (O-ring shape) spring body 10 Screen 11 Filling nozzle 11a Liquid passage 11g Groove 11h Depression (engagement) Part)
13 Liquid valve 15 Inner cylinder 15a Liquid passage 16, 16A, 161, 162 Lower part of filling valve body 16h, 16Ah, 161h, 162h Hole 17 Centering bell 30 Tool 31, 32 Clamping tool 31a, 32a Engagement part 33 Spring 34 Shaft

Claims (4)

  In a filling valve for filling a container with a beverage or the like having a filling nozzle attached to the tip of the filling valve body, the filling valve body is engageable with an engaging portion provided in the filling nozzle, and is provided at a lower portion of the filling valve body. An engaging body that is reciprocally movable with respect to the hole is pushed to the engaging part side and engaged with the engaging part with a spring body disposed on the opposite side of the engaging part to the engaging part side, Further, the filling nozzle is configured to be attachable to and detachable from the filling valve body by being pushed in a direction opposite to the engagement portion side to be disengaged from the engagement portion. Characteristic filling valve.   2. The filling valve according to claim 1, wherein the engagement portion is configured by a recess having an inclined portion such as a V shape provided on an outer periphery of the filling nozzle, and a tip portion of the engagement body on the engagement portion side. Is a spherical or U-shaped protruding valve.   3. The filling valve according to claim 1, wherein the engaging body is disposed outside the filling valve main body, and when the cylindrical body that can be raised and lowered is in a lowered state, When the opposite end surface and the inner peripheral surface of the cylindrical body are brought into contact with the spring against the spring force of the spring body and pushed into the engagement portion, the cylindrical body is in the raised state. The filling valve is configured to be pushed back by the spring force of the spring body by releasing the contact with the inner peripheral surface of the cylindrical body to release the engagement with the engaging portion. .   3. The filling valve according to claim 1, wherein the engagement body is pushed toward the engagement portion side by a spring force of the spring body and engaged with the engagement portion, and the engagement portion is engaged with the engagement body. A filling valve configured to be disengaged from the engaging portion by being pushed in against the spring force of the spring body by a pushing external force acting in a direction opposite to the side.

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