JPS584845Y2 - paste paste - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a Venist metered dispensing container.

Conventionally, various structures have been proposed as paste extrusion containers.

However, in an extrusion container having a conventional structure, when the paste is extruded, the pressing force at the time of extruding the paste remains inside the paste.

This residual pressure not only makes it difficult to cut the paste and causes more paste to be extruded than necessary, but also impairs economic efficiency.
1 of the paste in the container even after removing the extruded paste
When the part is naturally extruded and the extrusion port is covered, the covered part becomes dirty with the natural extrusion paste and becomes unhygienic.
This may lead to other problems.

Furthermore, in conventional extrusion containers, paste tends to remain near and within the small opening at the tip of the container, making it impossible to completely extrude the paste and use it.

In addition, for pastes such as kneading and polishing pastes, it is desirable to be able to extrude a fixed amount, but unlike the conventionally provided two types of pastes, the extrusion rate depends on the feeling, which often results in over- or under-extrusion.

The present invention has been made for the purpose of eliminating all the above-mentioned conventional drawbacks and providing a paste quantitative extrusion container that can extrude a fixed amount of paste. In a paste extrusion container of the type in which a is pushed out from a small opening 2 at the tip by pushing an elastic push plate 3 sealed slidably in the container 1, the center part of the push plate 3 is pushed out. From a relatively thin upward hollow bulge 4 that is pressed and deformed during operation, and from the bulge 4
The main body portion 3' of the push plate 3 extends outwardly from the periphery of the
are each composed of a relatively thick plate-shaped portion that does not substantially deform during pushing operation, and the lower surface of the central portion of the bulged portion 4 has an outer diameter corresponding to the inner diameter of the booth 2. A downward projecting portion 5 in diameter is integrally provided, and the central portion of the bulging portion 4 is provided with rigidity by the projecting portion 5. Furthermore, the lower end of the container cylinder 1 is connected to the bulging portion. 4, and a screw feed mechanism for moving the push rod 6 up and down. It is composed of a nut member 12 for external rotation operation having a claw portion 13 that engages in a threaded groove 11. This relates to a paste quantitative extrusion container characterized by having a large pitch width that can rise up to A member 12 is rotatably held.

. The present invention has the above-mentioned structure, and when extruding and using the paste a), the nut member 12 is rotated to move the push rod 6 downward, and the push rod 6 is moved downward.
Use this to push down the push plate 3.

At this time, the downward force of the push rod 6 is concentratedly applied to the center of the bulging portion 4 of the push plate 3, which the lower end of the push rod 6 is in contact with.

At this time, in the present invention, a downward protrusion 5 is integrally provided on the lower surface of the center of the bulging portion 4 to provide rigidity to the center portion, and the main body portion 3' of the push plate 3 is substantially Since the bulging part 4 is constructed from a thick plate-like body so as not to deform, when it receives a pressing force, the thin part on its outer periphery deforms, and this pressing deformation occurs immediately as shown in Fig. 2. The deformation limit is reached, and from then on, the pressing force acts on the main body portion 3' of the press plate 3 through the bulge 4, and the press plate 3 moves downward to extrude a predetermined amount O of the paste.

On the other hand, when the push-down force is released, the automatic restoring force of the outer periphery of the bulging portion 4 acts in the direction of pushing up the push rod 6, and as a result, the push rod 6 is connected to the thread groove 11 with a large pitch width on its outer periphery. It reversely rises while being guided by the claws 13 of the nut member 12 that engages with it, and as it rises, the bulge 4 automatically returns to its original state, preparing for the next operation.

By this automatic restoration of the bulging portion 4, the paste a in the container 1 is sucked upwardly, and by this suction, all residual pressing force is absorbed and eliminated.

In this way, in the present invention, the deformation of the bulging portion 4 of the push plate 3,
Due to the restoring action, the extrusion use of pace)a is changed to pace)a
This can be achieved without any residual pressing force inside the cylinder, eliminating problems associated with residual pressing force.

Furthermore, in the press plate 3, the main body portion 3' and the central portion of the bulging portion 4 are not deformed, and the bridge portion (the bulging portion 4) that connects the two is not deformed.
Since the structure is such that only the outer periphery of the structure is deformed, the structure is extremely simple and has the advantage of ensuring stable and reliable deformation and restoring operations.

Furthermore, since the push rod 6 is configured to be pushed down by a screw feed mechanism, the width of the push rod 6 to be pushed down is adjusted to the width of the nut member 1.
The amount of rotation can be controlled by the amount of rotation in step 2, and the purpose of quantitatively extruding the paste can be easily achieved.

Further, since the main body portion of the push plate 3 is thick and is configured not to be substantially deformed, there is no risk of paste leaking from the sliding portion, and the paste is not projected to the lower surface of the center of the bulge portion 4. In addition to the function of providing rigidity to the central portion, the downward protrusion 5 fits into the small opening 2 at the end of extrusion, as shown in FIG. 3, and pushes out the maest inside the small opening 2. This has the advantage that the paste can be completely extruded to the end without causing loss of use.

Furthermore, since there is little risk of paste leaking from the sliding part of the push plate 3, paste leakage can be sufficiently prevented by a sealing surface as wide and small as shown in the figure, and the frictional resistance of the sealing surface and, in turn, the nut member. The rotational force required for the rotation operation of the nut member 12 can be reduced, and there is an advantage that the rotation operation of the nut member 12 can be performed manually and without difficulty.

'In the present invention, the container 1 can have any shape, but generally it has a circular cross section or a similar shape, such as an ellipse or a regular polygon.

Examples of the paste to be filled into the container 1 include paste, paste, mayonnaise, and cream.

The opening 2 of the container 1 can be capped if necessary.

The push plate 3 used has the same planar shape as the container 1.

The material for forming the elastic press plate 3 is not particularly limited as long as it has elasticity, but polypropylene, polyethylene, polyvinyl chloride, SBR, etc. are generally used.

A flange 3a can be formed on the outer peripheral edge of the second push plate 3 within a range that does not unduly increase the frictional resistance.

Further, the lower surface of the thick plate-like portion 3' of the push plate 3 can be formed into an inclined surface along the shoulder of the container cylinder 1.

Further, the downward protrusion 5 on the lower surface of the push plate 3 can be provided with a necessary gentle taper.

The lower end of the push rod 6 may be formed into a hemispherical portion 6a in order to reduce frictional resistance during rotational operation.

[Brief explanation of drawings]

The drawings show an example of the implementation of the present invention, and FIG. 1 is a longitudinal sectional view thereof, FIG. 2 is an explanatory diagram showing the situation during pressing operation of the push plate, and FIG.
The figure is a longitudinal cross-sectional view of a main part showing the state of the container shown in FIG. 1 at the end of its use. In the figure, 1 is a container, 2 is a small opening, 3 is a push plate, 4 is a bulge, 5 is a downward projection, 6 is a push rod, 10 is a screw part, 12 is a nut member, and 13 is a claw part. be.

Claims (1)

[Scope of utility model registration request] In a paste extrusion container of a type in which the paste (a) filled in a container cylinder 1 is pushed out from a small opening 2 at the tip by pushing an elastic push plate 3 which is slidably sealed in the container cylinder 1, The central part of the push plate 3 extends from a relatively thin upward hollow bulge 4 which is deformed by pressure during a pushing operation, and extends outward from the periphery of the bulge 4. The main body portions 3' of 3 are each composed of a relatively thick plate-like portion that does not substantially deform during a pushing operation, and the lower surface of the central portion of the bulging portion 4 has the small opening 2. A downward protrusion 5 having an outer diameter corresponding to the inner diameter of the container cylinder 1 is integrally provided, and rigidity is imparted to the central part of the bulge part 4 by the protrusion 5.
is equipped with a push rod 6 whose lower end abuts on the top of the bulging portion 4, and a screw feed mechanism for moving the push rod 6 up and down. , a threaded groove 11 formed on a surface, and a nut member 12 for external rotation operation having a claw portion 13 that engages in the threaded groove 11. The threaded groove 11 of the push rod 6 is A paste/quantity extrusion container characterized in that the paste has a large pitch width that can be easily raised by the automatic and dynamic restoring force of the bulging portion 4.