JPH0754127Y2 - Fluid discharge mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention also has a fixed body having a valve that can be opened only in the fluid discharge direction and a valve that can be opened only in the fluid discharge direction, and the valve. A pressure body having a fluid discharge path that opens laterally at the discharge destination, and having a sliding contact portion that slidably fits to the fixed body, and is attached below the fixed body.
The pressing body with respect to the fixed body, which comprises a storage chamber made of a soft material for storing a fluid and an elastic repulsion member stretched between the fixed body and the pressing body so as to repel each other. The present invention relates to a fluid discharge mechanism of a pump mechanism having a sliding contact structure between a piston and a cylinder that can be pushed in from above. Here, examples of the fluid include cosmetics such as foundation, lip color, cream and lotion, glue, stationery such as paints, and seasonings such as hot pepper.

(Prior Art) The fluid ejection mechanism of the above-mentioned type (hereinafter, "this type ejection mechanism").
An example of this is described in Japanese Utility Model Laid-Open No. 59-80261. It is characteristic that the softness of the storage chamber is gradually hardened upward so as to suppress the reduction of the fluid that remains unconsumed.

Not only a discharge container having this type of discharge mechanism, but generally a discharge container having a fluid discharge mechanism of a pump mechanism is adapted to receive the fluid discharged from the opening of the fluid discharge passage as it is. ing. It can be said that the discharged fluid is directly used.

However, there may be a case where the discharged fluid is once received by the receiving portion and the fluid is desired to be used again. For example, in cosmetics, it may be desired to use the dispensed fluid more gradually.

In this respect, the one described in Japanese Utility Model Publication No. 59-153875 discloses
It does not have a pump mechanism based on the sliding contact structure between the piston and cylinder, but "has a saucer on the top of the container top wall"
Has become. By the way, the description of the scope of claims for utility model registration in the publication is "a push button having a through hole in the top wall 3 of a cylindrical container 1 having a movable bottom wall 2 fitted in the cylinder and an elastic cap body 5. The handle 4 of the push button 4 is vertically and densely inserted into the through hole, and the elastic cap 5 is held in the inoperative position where the handle of the push button 4 is raised.
A notch 7 whose lower side continues below the top wall 3 of the container is punched in the handle rod 6, a saucer 8 is drilled on the top surface of the top wall 3 of the container, and an enclosure wall 9 which is open to the saucer 8 side is provided to provide an elastic cap. A container for pouring cream or the like in which most of the periphery of the body 5 is brought into close contact with the surrounding wall 9. The "push button 4" is pressed to pressurize the contents accommodated under the "elastic cap body 5", and the pressure of the contents presses the "enclosure 9" in the peripheral portion of the "elastic cap body 5". The portion on the "sauce tray 8" side that is not in close contact with "" is deformed and opened so that the contents are poured out into the "sauce tray 8".

(Problems to be Solved by the Invention) The one described in Japanese Utility Model Laid-Open No. 59-153875 described above is similar to the one described in Japanese Utility Model Laid-Open No. 59-80261, and it is a storage chamber for fluid consumption and replacement. In addition to having the advantage of suppressing the entry of air into the air, it also meets the above-mentioned demand in that the discharged fluid is received by the receiving portion,
There is a problem in that a pump mechanism having a sliding contact structure between a piston and a cylinder is not provided. Inevitably, it is disadvantageous in terms of the quantitative discharge property and the fluid leakage prevention property.

Therefore, what is conceivable is to provide a pump mechanism having a sliding contact structure between a piston and a cylinder as described in Japanese Utility Model Laid-Open No. 59-153875, as described in Japanese Utility Model Laid-Open No. 59-80261. It is to let. That is, it is a replacement of the pump mechanism, and specifically, it is as shown in FIG. What is described in Japanese Utility Model Publication No. 59-80261 is
The relationship between the piston and the cylinder is reversed, which will be described below.

The fluid discharge mechanism S can seal the hole 13 in an unloaded state,
Fixed body 2 having a valve 14 that can be opened only in the direction of fluid discharge
And a fluid discharge passage 5 which is a side opening 10 and also has a valve 9 which can close the substantially central hole 8 in an unloaded state and which can be opened only in the fluid discharge direction. The pressing body 1 having a sliding contact portion slidably fitted to the second body 2, a storage chamber 3 made of a soft material for storing a fluid, which is attached below the fixing body 2, the fixing body 2 and the pressing body 1. A sliding contact structure between a piston and a cylinder, which basically consists of an elastic member 4 stretched between these members so as to repel each other, and the pressing body 1 can be pushed into the fixed body 2 from above. It is a pump mechanism by. Here, the pressing body 1 is fitted in the sliding contact portion 11 inside the lower part thereof so as to be vertically slidable in contact with the sealing ring 12 protruding from the fixed body 2, and
The storage chamber 3 is made of a resin film or the like, and the opening 15 is hermetically fixed to the outer periphery of the fixed body 2 and the receiving body 6 by adhesion, welding, or the like. The body 2 and the valve 14 are separate parts, but they are appropriate.
For example, as the storage chamber 3, it is possible to select one of the two publications described above.

Further, in the above-mentioned components, the fixed body 2 is integrally connected to the receiving portion 6 for containing the fluid discharged from the opening 10 of the fluid discharge passage 5 provided in the pressing body 1. The fixed body 2 is
It is locked in the opening of the outer container 7 by the flange 16 that is slidably contacted with the upper portion, and thus serves as a mounting portion for the outer container 7, and is described in Japanese Utility Model Laid-Open No. 59-153875. It has a saucer on the upper surface of the wall ".

At first glance, the one shown in FIG. 1 has the advantage of being able to suppress the consumption of fluid and the invasion of air into the storage chamber in a replacement manner.
By receiving the discharged fluid in the receiving part, it is possible to gradually use the dispensed fluid, and in addition to satisfying all the superiority of the fixed amount dischargeability and the fluid leakage prevention property, there seems to be no defect. Be done.

However, the opening 10 of the fluid discharge passage 5 is moved according to the movement of the pressing body 1.
In reality, a device based on the fact that it is supposed to move is also necessary.

That is, when using the one shown in FIG. 1, the upper surface of the pressing body 1 is pressed and the valve 9 is opened to press the fluid in the suction chamber 17 from the opening 10 of the fluid discharge passage 5 to the receiving portion 6. In accordance with the above (see FIG. 2), the pressure of the pressing body 1 is released, and the valve 14 is opened to fill the suction chamber 17 with the fluid in the storage chamber 3 (see FIG. 3). However, in order to receive the fluid in the receiving portion 6, the opening 10 of the fluid discharge passage 5 must be exposed even when the pressing body 1 is pressed to the fixed body 2 to the limit. Therefore, there is a difference in the flow of the fluid between when the pressing amount of the pressing body 1 is small and when it is large (for example, when the pressing amount of the pressing body 1 is small, the fluid is discharged like a waterfall). In some cases, the fluid adheres to the walls of the pressing body 1 and the receiving portion 6 that are gaps, and the germs propagate. It is necessary to further solve the problem of inviting.

(Means for Solving the Problems) The present invention also has a fixed body having a valve that can be opened only in the fluid discharge direction, and a valve that can be opened only in the fluid discharge direction, and the side of the valve at the discharge destination side. A pressing body that has a fluid discharge path that opens in one direction, and that has a sliding contact portion that slidably fits into the fixed body;
The pressing body with respect to the fixed body, which comprises a storage chamber made of a soft material for storing a fluid and an elastic repulsion member stretched between the fixed body and the pressing body so as to repel each other. Is a fluid discharge mechanism of a pump mechanism having a sliding contact structure between a piston and a cylinder, which can be pushed in from above, and in which the pressure body has a receiving portion for containing the fluid discharged from the opening of the fluid discharge passage. A gist of a fluid ejection mechanism integrally connected to a side portion of the opening of the fluid ejection path so as to be smoothly continuous with the opening of the fluid ejection path.

(Example) An example will be described with reference to FIG.

The major difference from the above-described one described based on FIGS. 1 to 3 is that the pressing body 1 is integrally formed on the side portion of the opening 10 so as to be smoothly continuous with the opening 10 of the liquid discharge passage 5. It is in the place where it was lined up. The receiving part 6 also moves together with the pressing body 1. In addition, in the one shown in FIG. 4, the pressing body 1 integrally having the receiving portion 6 is not only for the sealing ring 12 of the fixed body 2 but also for the inner peripheral wall 18 of the cylindrical portion of the fixed body 2. Even though it is slidably fitted in the vertical direction, it is preferable for suppressing the rattling of sliding.

(Effect of the device) The advantage of being able to suppress the consumption of fluid and the invasion of air into the storage chamber as a replacement, by receiving the discharged fluid in the receiving portion,
The advantage that it is possible to gradually use dispensed fluid, and
All of the superiority of the fixed amount discharge property and the fluid leakage prevention property are satisfied. Moreover, the positional relationship of the opening of the fluid discharge path with respect to the receiving portion is always constant no matter how much the pressing body is pressed against the fixed body, and therefore the flow of the fluid depends on whether the pressing amount of the pressing body is small or large. It is possible to suppress the difference between the two, and since it is not necessary to provide a wall part between the pressing body and the receiving part as a gap for relative movement of both, the fluid adheres to such a wall part. As a result, it is possible to eliminate the concern that various bacteria will propagate, which is also preferable in terms of hygiene.

[Brief description of drawings]

FIG. 1 is a sectional view for explaining a problem to be solved by the present invention, FIGS. 2 and 3 are operation explanatory views of those of FIG. 1, and FIG. 4 is an embodiment of the present invention. FIG. 1 ... Pressing body, 2 ... Fixed body, 3 ... Storing chamber, 4 ... Repellent member, 5 ... Fluid discharge path, 6 ... Receiving part, 7 ... External container, 8 ... Hole, 9 ... Valve, 10 ... Opening, 11 ... Sliding contact part, 12 ... Sealing ring, 13 ... Hole, 14 ... Valve, 15 ... Opening part, 16 ... Tsuba, 17 ... Suction chamber, 18 …… Inner wall, S ……
Fluid discharge mechanism.

Claims (2)

[Scope of utility model registration request] 1. A fixed body having a valve that can be opened only in the fluid discharge direction, and a valve that can be opened only in the fluid discharge direction, and a fluid discharge passage that opens laterally at the discharge destination of the valve. In addition, a pressing body having a sliding contact portion slidably fitted to the fixed body, a storage chamber attached below the fixed body and made of a soft material for storing a fluid, the fixed body, and A sliding contact structure between a piston and a cylinder, wherein the pressing body is composed of an elastic member stretched between the pressing body and the pressing body so as to repel each other, and the pressing body can be pushed into the fixed body from above. The fluid discharge mechanism of the pump mechanism according to claim 1, wherein the pressing body has a receiving portion that accommodates the fluid discharged from the opening of the fluid discharge passage, and the receiving portion is smoothly connected to the opening of the fluid discharge passage. Connected integrally to the side of the opening of the discharge passage. Fluid delivery mechanism and comprising. 2. The utility model registration claim according to claim 1, wherein the fixed body has a tubular portion, and the pressing body is slidably fitted to an inner peripheral wall of the tubular portion. The fluid discharge mechanism according to the item.