JP2019094123A - Fixed quantity discharge container - Google Patents

Abstract

To provide a fixed quantity discharge container which measures a coating liquid from a liquid container at a measurement chamber and discharges the measured coating liquid, and can improve reliability by securing a flow of the liquid from the liquid container to the measurement chamber, and improving airtightness in the container when a cap is tightened.SOLUTION: A movable plug 6, 7 has a barrier wall which can close between a liquid container and a measurement chamber, and a rib part 6b which has a plate rib extending from the barrier wall. The rib part is inserted into a liquid container side from an opening of the liquid container 2, and forms a flow channel divided approximately in a circumferential direction.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a fixed amount discharge container, and more particularly to a fixed amount discharge container that measures a predetermined amount from a coating liquid stored in a container and discharges the measured coated liquid.

For example, by storing a coating solution such as a hair agent, a cosmetic solution, or a cleaning solution in the container body and devising the structure of the inside plug mounted on the opening of the container body, the amount of discharge of the coating solution can be controlled. A dispensing container is provided.
For example, Patent Document 1 discloses a discharge container in which a spring valve is attached to an opening of a container main body, and an opening amount of the spring valve is controlled according to a pressure applied to an application portion covering the opening. It is disclosed.

According to the discharge container disclosed in Patent Document 1, it is possible to adjust the discharge amount of the coating liquid by properly using the pressing force of the application unit with respect to the portion to be supplied (the application portion).
However, discharge control of the liquid volume by the above-mentioned spring valve is not always stable, and sometimes there is a problem that the usability is poor, such as excessive discharge of the coating liquid more than expected.

In order to solve such a problem, Patent Document 2 discloses a measuring and pouring container capable of pouring out a coating solution measured in advance in a container to a portion to be supplied (a portion to be coated). FIG. 31 shows a side view (in a state in which the cap is tightened) of the measuring and dispensing container disclosed in Patent Document 2 as a partial cross section, and FIG. 32 shows a cross sectional view in a state where the cap is removed.
The measuring and dispensing container 60 shown in FIG. 31 includes a container unit 61 for containing a coating solution, a dispensing unit 62 for dispensing the coating solution contained in the container unit 61, and the dispensing unit 62 so as to cover the dispensing unit 62. And a cap 63 attachable to the container 61.

  As shown in FIG. 32, the pouring unit 62 is fitted inside the upper opening of the container portion 61 and has an elastic valve member 64 whose tip end is formed of an elastic body, and the periphery of the tip end of the elastic valve member 64. The cover is provided so as to cover a cylindrical movable plug 65 which can be opened and closed by advancing and retracting the rear end of the recess inflow hole 64a provided on the rear side of the elastic valve member 64 and the rear side periphery of the movable plug 65. And a shell portion 66 capable of containing a predetermined amount of coating solution. The lower end portion of the shell portion 66 is fitted to the upper opening of the container portion 61 so as to cover the outside thereof.

  The elastic valve member 64 is provided with a fixed piston portion 64b provided on the tip end side from the recessed portion inflow hole 64a, a resin spring portion 64c provided on the tip of the fixed piston portion 64b and expandable in the container axial direction, and a resin spring And a valve portion 64d provided at the tip of the portion 64c. These are covered by the cylindrical movable plug 65 as shown.

  Further, the cylindrical movable plug 65 is movable along the axial direction of the container while the inner peripheral surface is in sliding contact with the outer peripheral surface of the fixed piston portion 64b. Further, an inflow hole 65 a for moving the coating liquid in the shell portion 66 into the movable plug 65 is formed on the side surface of the movable plug 65. The inflow hole 65a is opened and closed by the movement position of the movable plug 65, and in the state of FIG. 32, the closed state is shown.

Further, the tip of the movable plug 65 is exposed to the outside, and an outlet 65b for the coating liquid is formed, and the valve portion 64d can be opened and closed by moving forward and backward with respect to the outlet 65b. A groove 64d1 for pouring out the coating liquid is formed on the side of the valve portion 64d, and the coating liquid is poured out through the groove 64d1 when the pouring port 65b is opened.
Further, as shown in FIG. 31, a rib 63 a that engages with the lip 65 d of the movable plug 65 is provided on the inside of the cap 63.

  In the measuring and dispensing container 60 configured as described above, when the cap 63 is removed from the state where the cap 63 is mounted as shown in FIG. 31, the movable plug 65 is pulled up as shown in FIG. An inflow hole 64 a connecting the container portion 61 and the inside of the shell portion 66 is formed. In this state, when the front end side of the measuring and dispensing container 60 is directed downward, a predetermined amount of coating liquid is supplied into the shell portion 66. That is, the coating liquid is metered by being contained in the shell member 66.

Next, when the front end side of the measuring and pouring container 60 is directed downward and the movable plug 65 is pressed against the portion to be supplied (surface to be coated), the rear end of the movable plug 65 as shown in FIG. The inflow hole 64 a is closed, the inflow hole 65 a of the movable plug 65 is opened, and the coating liquid in the shell portion 66 is moved into the movable plug 65. At this time, the valve portion 64 d is in a state in which the outlet 65 b at the tip of the movable plug 65 is closed.
Further, when the projecting valve portion 64d is abutted against the portion to be supplied (surface to be coated) and pushed in, the valve portion 64d is pushed against the movable plug 65 as shown in FIG. 33 (b). The coating solution in the movable plug 65 is then poured out.

JP, 2006-123305, A JP, 2013-67436, A

  However, in the measuring and dispensing container 60 disclosed in Patent Document 2, when the flow passage (inflow hole 64a) connecting the container portion 61 for containing the coating liquid and the inside of the shell portion 66 is opened, Since there is a portion where the flow path is continuous in the circumferential direction, it is easy to form a liquid film which completely closes the flow path, and when the liquid film is formed, the liquid film is formed even if the container is inverted. As a result, there is a problem that the coating solution does not flow into the measuring chamber.

  Moreover, in the case of the measuring and extracting container 60 disclosed in Patent Document 2, when the cap 63 is closed, sealing of the container portion 61 is performed only by the movable plug 65, and it can not be said that airtight reliability is high. .

  Further, in the measuring and dispensing container 60 disclosed in Patent Document 2, there is a problem that the shape of the resin spring 64c is a shape extending in a wavy line in the axial direction, and it is difficult to adjust the load. In addition, since the resin spring 64c is disposed on the axis, there is a problem that the passage of the coating liquid is not smooth.

  Furthermore, lifting of the movable plug 65 with the cap 63 is achieved by the engagement of the rib projections formed by the undercut, that is, the inner rib projections formed on the peripheral edge on the cap side and the peripheral surface of the movable plug Although the outer rib projections are engaged, there is a problem that the required accuracy of the engagement force and the undercut position is high, and the mass productivity is lowered.

  The present invention has been made focusing on the above-mentioned point, and in a fixed amount discharge container for measuring a coating liquid from inside a liquid container in a measuring chamber and discharging the measured coating liquid, the liquid container to the measuring chamber It is an object of the present invention to provide a fixed amount discharge container which can ensure the flow of the liquid and improve the air tightness in the container when the cap is tightened to improve the reliability.

In order to solve the above-mentioned problems, the fixed amount discharge container according to the present invention is supplied from a liquid container for containing a coating liquid, a movable plug which opens and closes by moving forward and backward with respect to the opening of the liquid container, and the liquid container. The metering container includes a metering chamber for metering the coating solution, and an application unit provided on the tip side of the movable stopper for applying the coating solution measured by the metering chamber, wherein the movable stopper is the metering container. The liquid container includes a partition capable of closing between the liquid container and the measuring chamber, and a rib portion formed with a plate rib extending from the partition, and the rib is inserted from the opening of the liquid container to the liquid container In addition to the above, it is characterized in that the flow path is divided substantially in the circumferential direction.
In addition, a cap that can be attached to the liquid container in a state of covering the movable stopper is provided, and the cap has a cylindrical lid inside, and when the cap is closed, the movable stopper It is desirable that the opening be sealed and the lid seal the entire movable plug.
In addition, the cap has a locking claw inside, and when the cap is tightened, the locking claw is locked in a locking groove formed on a peripheral surface of the movable plug, and the cap is removed. Preferably, the locking claw pulls out the movable plug.
Further, the movable plug is moved back and forth inside, and a shell part is formed which covers the periphery of the movable plug and forms the measuring chamber with the outer peripheral surface of the movable plug, and the shell part is the liquid container A protruding claw engaging with a ring-shaped protrusion formed along the circumferential direction on an outer peripheral surface of the protruding claw, the protruding claw being supported by a hinge portion formed thinner than the protruding claw; It is desirable that the locking be performed in a state in which the ring-shaped projection of the liquid container is crossed with the hinge portion.

Thus, according to the configuration of the present invention, the rib portion of the movable member enters the opening portion side of the liquid container, and a flow path from the liquid chamber to the measurement chamber is formed, and the flow path is formed by the plate rib It is divided substantially in the circumferential direction. As a result, it becomes difficult to form a liquid film in the flow path, and even if the liquid film is formed, the flow path is divided into a plurality of parts, so the liquid film formation region is kept partially and the flow path is secured. can do.
Further, since the lid member is provided in the cap and the movable plug is sealed by the lid member when the cap is closed, airtight reliability can be achieved by providing a double seal structure in addition to sealing of the liquid container by the movable plug. It is possible to improve the properties and to suppress the generation of crystals due to the volatilization of the content liquid in the application part.
Furthermore, the cap is provided with a snap fit structure in which a locking claw is provided in the cap, and when the cap is closed, the locking claw is locked in the locking groove formed on the outer peripheral surface of the movable plug on the tip side. When you do, you can pull out the movable plug securely. Moreover, since it is the latching structure by a latching claw, fitting adjustment at the time of manufacture can be made easier than the latching structure by an undercut.

  According to the present invention, in a fixed amount discharge container for measuring the application liquid from the inside of the liquid container in the measurement chamber and discharging the measured application liquid, the flow of the liquid from the liquid container to the measurement chamber is ensured and Thus, it is possible to provide a fixed discharge container capable of improving the air tightness in the container at the time of tightening and improving the reliability.

FIG. 1 is a perspective view of a first embodiment of a fixed amount discharge container according to the present invention. FIG. 2 is a perspective view of the fixed amount dispensing container of FIG. 1 with the cap removed. FIG. 3 is a cross-sectional view of the fixed amount discharge container of FIG. FIG. 4 is a cross-sectional view of the fixed amount dispensing container of FIG. 1 with the cap removed. FIG. 5A is a perspective view of the plug member, and FIG. 5B is a cross-sectional view of the plug member. Fig.6 (a) is the perspective view which looked at the 1st movable plug from the back end side, FIG.6 (b) is the perspective view which looked at the 1st movable plug from the front end side. FIG. 7 is a partially broken perspective view of the discharge unit. FIG. 8A is a perspective view of the shell portion, and FIG. 8B is a cross-sectional view of the shell portion. Fig.9 (a) is a perspective view of a 2nd movable plug, FIG.9 (b) is sectional drawing of a 2nd movable plug. Fig.10 (a) is a perspective view of a coil spring, FIG.10 (b) is sectional drawing. Fig.11 (a) is a perspective view of the snap member attached to the cap side, FIG.11 (b) is sectional drawing of a snap member. Fig.12 (a) is a perspective view of a 2nd cover member, FIG.12 (b) is sectional drawing of a 2nd cover member. 13 (a) and 13 (b) are cross-sectional views for explaining the operation of the fixed amount discharge container. FIG. 14 (a) is a perspective view showing a modified example of a snap member attached to the cap side, and FIG. 14 (b) is a cross-sectional view of the snap member. 15 is a cross-sectional view of the cap with the snap member of FIG. 14 attached. FIG. 16 is a cross-sectional view showing, in an enlarged manner, a fixed amount dispensing container to which the cap of FIG. 15 is attached. FIG. 17 is a perspective view of a second embodiment of the fixed amount discharge container according to the present invention. FIG. 18 is a perspective view of the fixed amount dispensing container of FIG. 17 with the cap removed. FIG. 19 is a cross-sectional view of the fixed amount discharge container of FIG. FIG. 20 is a cross-sectional view of the fixed amount dispensing container of FIG. 17 with the cap removed. Fig.21 (a) is a perspective view of a stopper member, FIG.21 (b) is sectional drawing of a stopper member. Fig.22 (a) is the perspective view which looked at the 1st movable plug from the back end side, FIG.22 (b) is the perspective view which looked at the 1st movable plug from the front end side. FIG. 23 is a partially broken perspective view showing the discharge unit. Fig.24 (a) is a perspective view of a shell part, FIG.24 (b) is sectional drawing of a shell part. 25 (a) and 25 (b) are partially enlarged cross-sectional views of the shell portion. Fig.26 (a) is a perspective view of a 2nd movable plug, FIG.26 (b) is sectional drawing of a 2nd movable plug. FIG. 27 (a) is a perspective view of a coil spring, and FIG. 27 (b) is a cross-sectional view. FIG. 28 (a) is a perspective view of a snap member attached to the cap side, and FIG. 28 (b) is a cross-sectional view of the snap member. Fig.29 (a) is a perspective view of a 2nd cover member, FIG.29 (b) is sectional drawing of a 2nd cover member. FIGS. 30 (a) and 30 (b) are cross-sectional views for explaining the operation of the fixed amount discharge container. FIG. 31 is a partial sectional view showing a side view (in a state in which the cap is tightened) of the conventional measuring and dispensing container. FIG. 32 is a cross-sectional view of the weighing and dispensing container of FIG. 17 with the cap removed. 33 (a) and 33 (b) are cross-sectional views for explaining the operating state of the measuring and dispensing container of FIG.

Hereinafter, embodiments of the present invention will be described based on the drawings. FIG. 1 is a perspective view showing a first embodiment of a fixed amount discharge container according to the present invention. FIG. 2 shows a perspective view of the dispensing container of FIG. 1 with the cap removed. 3 is a cross-sectional view of the fixed amount discharge container of FIG. 1, and FIG. 4 is a cross-sectional view of a state in which the cap is removed.
As illustrated, the fixed amount discharge container 1 covers the discharge unit 3 and the liquid container 2 for containing the application liquid, the discharge unit 3 provided on the tip end side, and can be detachably attached to the liquid container 2. And a cap 4. In the present invention, the engagement method of the cap 4 is not particularly limited, but in the present embodiment, it is screwed. That is, as shown in the figure, a screw groove 2a is formed on the peripheral surface on the tip side of the liquid container 2, and a ridge 4a engaged with the screw groove 2a is formed on the inner peripheral surface of the opposite cap 4 There is.

As shown in FIGS. 3 and 4, the liquid container 2 has a liquid chamber R1 capable of containing a large amount of coating liquid, and an opening 2b is formed at the tip thereof.
The plug member 5 is inserted into the opening 2b. FIG. 5A is a perspective view of the plug member 5, and FIG. 5B is a cross-sectional view of the plug member 5. The plug member 5 is provided inside the outer cylindrical portion 5a whose outer peripheral surface is in close contact with and fitted to the inner peripheral surface of the opening 2b of the liquid container 2 and inside the outer cylindrical portion 5a, as shown in FIGS. And an inner cylindrical portion 5b into which the first movable plug 6 is inserted.

  Here, FIG. 6A is a perspective view of the first movable plug 6 as viewed from the rear end side, and FIG. 6B is a perspective view of the first movable plug 6 as viewed from the tip side . The first movable plug 6 is a valve for controlling whether or not the liquid in the liquid container 2 flows to the discharge unit 3 side. The first movable plug 6 has a tubular portion 6a (partition) having an opening 6a1 at one end and a bottom 6a2 at the other end, and a cross-shaped rib member 6b formed on the back side of the bottom 6a2. Further, a ring-shaped protrusion 6a3 is formed along the circumferential direction on the outer peripheral surface of the cylindrical portion 6a.

  The rib member 6 b is disposed in the state of being inserted into the opening 2 b of the liquid container 2. Further, plate ribs 6b2, 6b3, 6b4 and 6b5 are provided so as to extend radially from the container shaft 6b1 in four directions so that the flow path of the liquid from the liquid container 2 is divided into four in the circumferential direction. .

That is, as shown in the partially broken perspective view of FIG. 7, the rib member 6b is provided so as to be able to move forward and backward in the inner cylindrical portion 5b (intimately fitted to the inner peripheral surface of the opening 2b of the liquid container 2). The space partitioned by the plate ribs 6b2 to 6b5 serves as a liquid flow path from the liquid container 2 to the discharge unit 3 side (the measurement chamber R2 side described later).
Here, since the liquid flow path is substantially divided in the circumferential direction by the cross-shaped rib members 6b, a liquid film is difficult to be formed, and the flow of the liquid can be maintained smoothly. In addition, even if the liquid film is stretched in one divided flow path, for example, the coating liquid can be flowed in the other flow path.

  FIG. 8A is a perspective view of the shell portion 8, and FIG. 8B is a cross-sectional view of the shell portion 8. The shell portion 8 is attached to the tip of the liquid container 2 so as to cover the periphery of the tip opening of the liquid container 2. In addition, a space serving as a measuring chamber R2 capable of containing a predetermined amount of coating liquid is formed therein. The measuring chamber R <b> 2 is provided inside the dome portion 8 b formed in the shell portion 8. Further, a cylindrical portion 8c is formed on the front end side of the shell portion 8, and the second movable plug 7 connected to the first movable plug 6 is slidably supported by the inner peripheral surface thereof. As shown in the partially enlarged view of FIG. 8B, a ring-shaped projection 8d for locking the second movable plug 7 is formed at the lower end on the inner peripheral side of the cylindrical portion 8c.

  As shown in FIGS. 3 and 4, the end 5 a 1 of the outer cylindrical portion 5 a of the plug member 5 is fitted inside the stepped portion 8 a of the shell portion 8. Further, since the rear end side inner peripheral portion of the shell portion 8 is fitted to the front end side outer peripheral portion of the liquid container 2, the positional relationship between the shell portion 8, the plug member 5 and the liquid container 2 is fixed.

  FIG. 9A is a perspective view of the second movable plug 7, and FIG. 9B is a cross-sectional view of the second movable plug 7. The second movable plug 7 has a first cylindrical portion 7a provided on the rear end side, and a second cylindrical portion 7b formed to have a smaller diameter than the first cylindrical portion 7a. The first cylindrical portion 7a is a connecting portion with the first movable plug 6, and a step portion 7c is formed on the tip end side thereof, since the second cylindrical portion 7b having a small diameter is continued. A ring-shaped protrusion 7c1 is formed on the outer peripheral edge of the step 7c.

  Further, as shown in FIG. 9B, a ring-shaped protrusion 7a1 for engaging with the first movable plug 6 side is formed on the inner peripheral surface of the first cylindrical portion 7a. That is, the cylindrical portion 6a of the first movable plug 6 is inserted into the first cylindrical portion 7a, and the ring-shaped projection 6a3 formed on the outer peripheral surface of the cylindrical portion 6a is fitted over the ring-shaped projection 7a1. It is supposed to match. Further, at this time, the tip end portion of the cylindrical portion 6a is engaged with the step portion 7c, and the first movable plug 6 and the second movable plug 7 are connected.

In the second cylindrical portion 7b of the second movable plug 7, a plurality of (for example, four as shown) liquid inflow holes 7b1 are formed along the circumferential direction on the circumferential surface.
Further, a liquid discharge hole 7b2 is provided at the tip of the second cylindrical portion 7b. The tip end side of the second cylindrical portion 7b including the liquid discharge hole 7b2 is slidably supported in the axial direction of the container by the inner peripheral surface of the cylindrical portion 8c in the shell portion 8. That is, the movable stoppers 6, 7 can be advanced and retracted in the axial direction of the container by the cylindrical portion 8c, and when the movable stoppers 6, 7 are moved most to the tip end, the stepped portion 7c is the lower end of the cylindrical portion 8c as shown in FIG. (The ring-shaped projection 7c1 is locked past the ring-shaped projection 8d shown in FIG. 8 (b)) and when retracted most, as shown in FIG. 3, the lower end of the cylindrical portion 6a is the inner cylinder It will be in the state latched to the diameter-reduced lower end part of the part 5b.

  Moreover, as shown to FIG. 3, FIG. 4, the coil spring 9 is arrange | positioned in the interior space formed of the 1st movable plug 6 and the 2nd movable plug 7 which were connected. The rear end 9b of the coil spring 9 is engaged with the bottom 6a2 of the cylindrical portion 6a. On the other hand, a valve portion 9a which is an application portion is formed on the tip end side of the coil spring 9, and is held exposed from the liquid discharge hole 7b2 of the second cylindrical portion 7b by the biasing force of the spring.

Here, FIG. 10 (a) is a perspective view of the coil spring 9, and FIG. 10 (b) is a cross-sectional view. The coil spring 9 is formed of resin. As illustrated, since the spring has a coil shape, dimensionally stable molding is possible, and member management can be simplified. In addition, the adjustment range of the load applied to the valve portion 9a at the tip can be increased, and further, since there is no wide member in the spring portion, there is an advantage that the flow of the liquid is not hindered.
In addition, the tip of the valve portion 9a is a curved surface, and is shaped so as not to damage the application surface such as the scalp.

  11A is a perspective view of the snap member 11 attached to the cap 4 side, and FIG. 11B is a cross-sectional view of the snap member 11. The snap member 11 is provided with a cylindrical first lid 11b for covering the valve portion 9a, and locking claws 11c erected on the left and right sides of the cylindrical seat portion 11a. It is. The locking claw 11c is directed inward, and when the cap 4 is closed, the first lid 11b pushes the second movable plug 7 and the locking claw 11c is formed on the outer peripheral surface of the second movable plug 7 on the tip side. The locking groove 7d along the formed circumferential direction is locked. By using the snap fit (not undercut) as described above, fitting adjustment at the time of manufacture can be facilitated.

The snap member 11 is disposed at the center of the ceiling in the cap 4 as shown in FIG. 4 and is fixed by fitting the tubular second lid member 12 into the cap 4. 12 (a) is a perspective view of the second lid member 12, and FIG. 12 (b) is a cross-sectional view of the second lid member 12. As shown in FIG.
As shown in FIG. 12 (a), the second lid member 12 has a cylindrical shape, and a ring-shaped protrusion 12a is formed on the outer peripheral surface along the circumferential direction to be locked to the cap 4. There is. Further, as shown in FIG. 12B, the inner peripheral surface at one end side (rear end side) is formed with a tapered surface 12b. Thereby, when the cap 4 is closed, the contact area between the inner peripheral surface (taper surface 12b) of the second lid member 12 and the dome portion 8b formed in the shell portion 8 is increased, and the sealing performance is improved. That is, when the cap 4 is closed, not only the sealing by the first movable plug 6 and the second movable plug 7 but also the closing by the second lid 12 improves the airtight reliability more, and The generation of crystals on the coating portion can be suppressed.

When using the measuring / dispensing container 1 configured in this way, when the cap 4 is removed as shown in FIG. 4 from the state of FIG. 3, the movable plugs 6, 7 locked to the cap 4 side are pulled up.
Thus, a flow path connecting the liquid chamber R1 of the liquid container 2 containing the coating liquid and the measuring chamber R2 is formed. In this state, when the front end side of the measuring and discharging container 1 is directed downward, a predetermined amount of the application liquid is supplied to the measuring chamber R2. That is, the coating solution is accommodated in the measuring chamber R2.

Further, as shown in FIG. 13A, when the valve portion 9a is pressed against the portion to be supplied (surface to be coated) with the movable plugs 6 and 7 with the movable stoppers 6 and 7 in a state in which the tip side of the measurement discharge container 1 is directed downward The flow path from the liquid container 2 is closed by the first movable plug 6, and the coating liquid is metered by the measuring chamber R2.
Further, when the valve portion 9a is brought into contact with the portion to be supplied (surface to be coated) together with the movable plugs 6, 7, as shown in FIG. 13B, the coating liquid in the measuring chamber R2 passes through the liquid inflow hole 7b1. Flows into the movable plugs 6 and 7.
Then, the application liquid in the movable plugs 6 and 7 is discharged by pushing the valve portion 9 a into the movable plugs 6 and 7.

  When the discharge of the application liquid in the movable plugs 6 and 7 is completed and the cap 4 is covered again and closed, the locking claw 11 c on the cap 4 side locks in the locking groove 7 d of the second movable plug 7. Then, when the cap 4 is removed again, the movable plugs 6, 7 are pulled up, the flow path from the liquid chamber R1 to the measuring chamber R2 of the liquid container 2 is opened, and the coating liquid can be supplied to the measuring chamber R2. Become.

As described above, according to the first embodiment of the present invention, the cross-shaped rib member 6b of the first movable member 6 enters the opening 2b of the liquid container 2 and metering from the liquid chamber R1. A flow passage to the chamber R2 is formed, and the flow passage is divided in the circumferential direction by the plate ribs 6b2 to 6b5. As a result, it becomes difficult to form a liquid film in the flow path, and even if the liquid film is formed, the flow path is divided into a plurality of parts, so the liquid film formation region is kept partially and the flow path is secured. can do.
In addition to the seal by the movable plugs 6 and 7, since the second lid member 12 is provided in the cap 4 and the second lid member 12 seals the shell portion 8 when the cap 4 is closed. With the double seal structure, the airtight reliability can be improved, and the generation of crystals in the coated portion can be suppressed.
Furthermore, a snap-fit structure in which the snap member 11 is provided in the cap 4 and the locking claw 11 c is locked to the locking groove 7 d formed on the outer peripheral surface on the tip side of the second movable plug 7 when the cap 4 is closed. And Thereby, when the cap 4 is removed, the movable plugs 6, 7 can be pulled out with certainty. Moreover, since it is the latching structure by the latching claw 11c, the fitting adjustment at the time of manufacture can be made easier than the latching structure by an undercut.

  In the first embodiment, the rib member 6b is composed of four plate ribs 6b2 to 6b5, and the flow path is divided into substantially four parts, but in the present invention, the configuration is as follows. The effect is obtained by dividing the flow path into two at least. Alternatively, the flow path may be divided into more parts by using more plate ribs.

In the first embodiment, as shown in FIG. 11, the first lid 11b of the snap member 11 has a simple cylindrical shape, and when the cap 4 is closed, the first lid 11b is used. The second movable plug 7 is pushed in.
However, in the present invention, the shape of the cylindrical first lid 11b is not limited to the configuration as shown in FIG. For example, as shown in a perspective view of FIG. 14 (a) and a cross-sectional view of FIG. 14 (b), the first lid 11b may be formed in a hard resin spring shape. FIG. 15 is a sectional view of a state in which the snap member 11 having the resin spring-like first lid 11 b is attached to the cap 4, and FIG. 16 is a partially enlarged view of the fixed amount dispensing container attached with the cap 4. FIG.

  According to such a configuration, when the cap 4 is tightened, the second movable plug 7 is pushed by the first lid 11b. However, the first lid 11b is in the shape of a hard resin spring, so that the molded article size and assembly variation Can be absorbed. Further, since the first lid 11b is in the shape of a hard resin spring, the second movable plug 7 and the first movable plug 6 can be pushed all the way in, and the inside of the inner cylindrical portion 5b of the plug member 5 is the first movable plug 6 can be sealed securely.

  Subsequently, a second embodiment of the present invention will be described based on the drawings. FIG. 17 is a perspective view showing a second embodiment of the fixed amount discharge container according to the present invention. FIG. 18 is a perspective view of the fixed amount dispensing container of FIG. 17 with the cap removed. 19 (a) and 19 (b) are cross-sectional views of the fixed amount discharge container of FIG. 17, and FIG. 19 (a) is a view seen from the front side, and FIG. 19 (b) is a view seen from the side It is. FIG. 20 is a cross-sectional view of a state in which the cap is removed.

  As illustrated, the fixed amount discharge container 21 covers the liquid container 22 containing the coating liquid, the discharge unit 23 provided on the tip end side, and the discharge unit 23 and can be detachably attached to the liquid container 22. Cap 24 is provided. In the present invention, the engagement method of the cap 24 is not particularly limited, but in the present embodiment, it is screwed. That is, as shown in the drawing, a screw groove 22a is formed on the peripheral surface on the tip side of the liquid container 22, and a protrusion 24a engaged with the screw groove 22a is formed on the inner peripheral surface of the opposite cap 24. There is.

As shown in FIGS. 19 and 20, the liquid container 22 has a liquid chamber Ro1 capable of containing a large amount of coating liquid, and an opening 22b is formed at the tip thereof. The opening 22 b is an inner peripheral edge portion of the ring-shaped protrusion 22 c protruding outward in the radial direction.
The plug member 25 is inserted into the opening 22b. FIG. 21 (a) is a perspective view of the plug member 25, and FIG. 21 (b) is a cross-sectional view of the plug member 25. The plug member 25 is provided inside the outer cylindrical portion 25a whose outer peripheral surface is in close contact with and fitted to the inner peripheral surface of the opening 22b of the liquid container 22, and inside the outer cylindrical portion 25a, as shown in FIGS. A first inner cylindrical portion 25b into which the first movable plug 26 is inserted to be able to move forward and backward, and a diameter between the diameter of the outer cylindrical portion 25a and the diameter of the first inner cylindrical portion 25b And an inner cylindrical portion 25c. The second inner cylindrical portion 25c engages with the inner peripheral surface of a shell portion 28 described later as shown in FIGS. Then, the tip 25a1 of the outer cylindrical portion 25a is locked at the position of the opening 22b of the liquid container 22, and the outer peripheral surface of the outer cylindrical portion 25a is closely fitted to the inner peripheral surface of the liquid container 22 ing.
Also, as described above, the first movable plug 26 moves back and forth in the first inner cylindrical portion 25b, but as shown in FIG. 21 (b), the groove 25b1 forming the outer peripheral surface of the first inner cylindrical portion 25b is Since it is formed, the sliding of the first movable plug 26 can be made smooth.

Here, FIG. 22 (a) is a perspective view of the first movable plug 26 as viewed from the rear end side, and FIG. 22 (b) is a perspective view of the first movable plug 26 as viewed from the distal end side. . The first movable plug 26 is a valve for controlling whether or not the liquid in the liquid container 22 flows to the discharge unit 23 side. The first movable plug 26 is formed to have a cylindrical portion 26a (partition wall) having an opening 26a1 at one end (rear end side) and a bottom portion 26a2 at the other end (tip side), and to protrude from the opening 26a1 And a cross-shaped rib member 26b.
Further, a ring-shaped protrusion 26a3 is formed along the circumferential direction on the outer peripheral surface of the cylindrical portion 26a. Further, at the center of the bottom portion 26a2, a circular protruding spring insertion portion 26a4 functioning as a coil spring receiver is formed.

  The rib member 26 b is disposed in the opening 22 b of the liquid container 22. In addition, plate ribs 26b2, 26b3, 26b4, 26b5 are provided so as to extend radially from the container shaft 26b1 in four directions, thereby dividing the flow path of the liquid from the liquid container 22 into substantially four in the circumferential direction. .

That is, as shown in the partially broken perspective view of FIG. 23, the rib member 26b can be advanced and retracted in the first inner cylindrical portion 25b (intimately fitted to the inner peripheral surface of the opening 22b of the liquid container 22). The space partitioned by the plate ribs 26b2 to 26b5 serves as a liquid flow path from the liquid container 22 to the discharge unit 23 side (the measuring chamber Ro2 side described later).
Here, since the liquid flow path is divided in the circumferential direction by the cross-shaped rib member 26b, a liquid film is not easily formed, and the flow of the liquid can be maintained smoothly. In addition, even if the liquid film is stretched in one divided flow path, for example, the coating liquid can be flowed in the other flow path.

  FIG. 24 (a) is a perspective view of the shell portion 28, and FIG. 24 (b) is a cross-sectional view of the shell portion 8. The shell portion 28 is attached to the tip of the liquid container 22 so as to cover the tip opening of the liquid container 22. In addition, a space serving as a measuring chamber Ro2 capable of containing a predetermined amount of coating liquid is formed therein. The measuring chamber Ro2 is provided inside the dome portion 28b formed in the shell portion 28. In addition, a cylindrical portion 28c is formed on the tip end side of the shell portion 28, and a stepped portion 28e is formed on the rear end. A second movable plug 27 connected to the first movable plug 26 is slidably supported by the inner peripheral surface of the cylindrical portion 28c.

  Further, as shown in FIGS. 24A and 24B, on the rear end side of the shell portion 28, an annular ring cover portion 28d is formed so as to cover the opening 22b of the liquid container 22. . In the ring cover portion 28d, window portions 28d1 are formed at a plurality of locations (four locations in the present embodiment) along the circumferential direction, and in the window portions 28d1, flexible projecting projections 28d2 are provided by a hinge structure. There is. More specifically, the protruding claw 28d2 is supported by a hinge portion 28d3 formed to have a small thickness, and is erected on the hinge portion 28d3.

  When the projecting claw 28d2 is inserted from the opening 22b of the liquid container 22 in a state in which the plug member 25 and the shell portion 28 are integrated, as shown in FIG. The projection 22c is slid along the outer peripheral surface (with the hinge portion 28d3) and engaged with the lower surface 22c1 of the ring-shaped projection 22c as shown in FIG. 25 (b). Therefore, when attempting to pull out the plug member 25 from the state of FIG. 25 (b), since the projection claw 28d2 of the shell portion 28 is engaged with the lower surface of the ring-shaped projection 22c, the hinge portion 28d3 is broken. Become. The damaged portion can be visually confirmed through the window 28d1.

FIG. 26 (a) is a perspective view of the second movable plug 27, and FIG. 26 (b) is a cross-sectional view of the second movable plug 27. The second movable plug 27 has a first cylindrical portion 27a provided on the rear end side, and a second cylindrical portion 27b formed smaller in diameter than the first cylindrical portion 27a. A closed space between the outer peripheral surface of the second movable plug 27, the first movable plug 26, the shell portion 28, and the plug member 25 is a measuring chamber Ro2, and the second movable plug 27 and the first movable plug 26 are shells. It moves forward and backward in the section 28 back and forth.
The first cylindrical portion 27a is a connecting portion with the first movable plug 26, and a step portion 27c is formed on the tip end side thereof, since the second cylindrical portion 27b having a small diameter is continued. A ring-shaped projection 27c1 is formed on the outer peripheral edge of the stepped portion 27c.

  Further, as shown in FIG. 26 (b), a ring-shaped projection 27a1 for engaging with the first movable plug 26 is formed on the inner peripheral surface of the first cylindrical portion 27a. That is, the cylindrical portion 26a of the first movable plug 26 is inserted into the first cylindrical portion 27a, and the ring-shaped projection 26a3 formed on the outer peripheral surface of the cylindrical portion 26a fits over the ring-shaped projection 27a1. It is supposed to match. At this time, the tip end of the cylindrical portion 26a is engaged with the stepped portion 27c, and the first movable plug 26 and the second movable plug 27 are connected.

In the second cylindrical portion 27b of the second movable plug 27, a plurality of (for example, four as shown) liquid inflow holes 27b1 are formed in the circumferential direction along the circumferential direction.
In addition, a liquid discharge hole 27b2 is provided at the tip of the second cylindrical portion 27b. The tip end side of the second cylindrical portion 27b including the liquid discharge hole 27b2 is slidably supported in the container axial direction by the inner peripheral surface of the cylindrical portion 28c of the shell portion 28. That is, the movable stoppers 26 and 27 can be advanced and retracted in the container axial direction by the cylindrical portion 28c, and when the movable stoppers 26 and 27 are moved most to the tip end, as shown in FIG. (The ring-shaped projection 27c1 is locked to the step 28e shown in FIG. 24 (b)), and when retracted most, as shown in FIGS. 19 (a) and 19 (b). The lower end is engaged with the diameter-reduced lower end portion of the first inner cylindrical portion 25b.

Further, as shown in FIGS. 19 and 20, a coil spring 29 is disposed in the second movable plug 27. The rear end 29 b of the coil spring 29 is engaged with a circularly projecting spring insertion portion 26 a 4 formed at the center of the bottom portion 26 a 2 of the cylindrical portion 26 a of the first movable plug 26. Here, unlike the first embodiment according to the present invention, by making the shape of the coil spring receiver in the first movable plug convex, there is no space for the coating liquid to be collected in the first movable plug, and it is used It is possible to solve the problem that the remaining liquid remains in the first movable plug. Further, although the length of the coil spring 29 becomes shorter than that of the first embodiment, there is no problem in practical use.
On the other hand, a valve portion 29a serving as an application portion is formed on the tip end side of the coil spring 29, and is held in a state exposed outward from the liquid discharge hole 27b2 of the second cylindrical portion 27b by the biasing force of the spring.

Here, FIG. 27 (a) is a perspective view of the coil spring 29, and FIG. 27 (b) is a cross-sectional view. The coil spring 29 is formed of resin. As illustrated, since the spring has a coil shape, dimensionally stable molding is possible, and member management can be simplified. Further, the adjustment range of the load applied to the valve portion 29a at the tip can be increased, and further, since there is no wide member in the spring portion, there is an advantage that the flow of the liquid is not hindered.
In addition, the tip of the valve portion 29a is a curved surface, and the valve portion 29a has a shape that does not damage the application surface such as the scalp.

  28 (a) is a perspective view of the snap member 31 attached to the cap 24 side, and FIG. 28 (b) is a cross-sectional view of the snap member 31. As shown in FIG. The snap member 31 is provided with a cylindrical first lid 31b for covering the valve portion 29a, and locking claws 31c erected on the left and right sides of the cylindrical seat portion 31a. It is. The locking claw 31c is directed inward, and when the cap 24 is closed, the first lid 31b pushes the second movable plug 27 and the locking claw 31c is on the outer peripheral surface of the second movable plug 27 on the tip side. The locking groove 27d along the formed circumferential direction is locked. By using the snap fit (not undercut) as described above, fitting adjustment at the time of manufacture can be facilitated.

The snap member 31 is disposed at the center of the ceiling in the cap 24 as shown in FIG. 20, and is fixed by fitting the cylindrical second lid member 32 into the cap 24. FIG. 29 (a) is a perspective view of the second lid member 32, and FIG. 29 (b) is a cross-sectional view of the second lid member 32. As shown in FIG.
As shown in FIGS. 29 (a) and 29 (b), the second cover member 32 has a cylindrical shape with one end closed, and the outer peripheral surface thereof along the circumferential direction for locking to the cap 24. A ring-shaped projection 32a is formed. Further, as shown in FIGS. 29 (a) and 29 (b), the closed one-end side center projects inward, thereby forming an annular support portion 32b around which one end of the snap member 31 abuts. ing.

Further, a ring-shaped projection 32c is formed on the inner peripheral surface of the second lid member 32 so as to project inward along the circumferential direction, and the ring-shaped projection 32c presses the outer peripheral surface of the snap member 31 to thereby snap the snap member. Holding 31.
Further, a ring-shaped protrusion 32d is formed on the inner peripheral edge on the other end side of the opening of the second lid member 32, and when the cap 24 is closed, the ring-shaped protrusion 32d of the second lid member 32 is a shell portion It is configured to be in intimate contact with and sealed on the outer peripheral surface of 28.

In the case of using the measuring and discharging container 21 configured as described above, when the cap 24 is removed as shown in FIG. 20 from the state of FIG. 19, the movable plugs 26, 27 locked to the cap 24 side are pulled up.
Thus, a flow path connecting the liquid chamber Ro1 of the liquid container 22 containing the coating liquid and the measuring chamber Ro2 is formed. In this state, when the front end side of the measuring and discharging container 21 is directed downward, a predetermined amount of the application liquid is supplied to the measuring chamber Ro2. That is, the coating solution is accommodated in the measuring chamber Ro2.

Further, when the valve portion 29a together with the movable plugs 26 and 27 is pressed against the portion to be supplied (surface to be coated) with the distal end side of the measuring and discharging container 21 directed downward, as shown in FIG. The flow path from the liquid container 22 is closed by the first movable plug 26, and the coating liquid is metered by the measuring chamber Ro2.
Further, when the valve portion 29a is abutted against the portion to be supplied (surface to be coated) together with the movable plugs 26 and 27, as shown in FIG. 30B, the coating liquid in the measuring chamber Ro2 passes through the liquid inlet hole 27b1. It flows into the space surrounded by the movable plugs 26 and 27 and the shell portion 28.
Then, by pushing the valve portion 29 a against the movable plugs 26 and 27, the coating liquid in the space surrounded by the movable plugs 26 and 27 and the shell portion 28 is discharged.

  When the discharge of the application liquid in the space surrounded by the movable plugs 26 and 27 and the shell portion 28 is completed and the cap 24 is covered again and closed, the locking claw 31 c on the cap 24 side becomes the second movable plug 27 The locking groove 27d is locked. Then, when the cap 24 is removed again, the movable plugs 26 and 27 are pulled up, the flow path from the liquid chamber Ro1 to the measuring chamber Ro2 of the liquid container 22 is opened, and the application liquid can be supplied to the measuring chamber Ro2. Become.

As described above, according to the second embodiment of the present invention, the flow passage from the liquid chamber Ro1 to the measurement chamber Ro2 is formed on the side of the opening 22b of the liquid container 22, and the flow passage is It is substantially divided in the circumferential direction by the cross-shaped rib member 26 b of the first movable member 26. This makes it difficult to form a liquid film in the flow path, and even if the liquid film is formed on the first inner cylindrical portion 25b of the plug member 25, the film can be broken by the plate ribs 26b2 to 26b5, The liquid film formation region can be partially stopped to secure the flow path.
In addition, since the second lid member 32 is provided in the cap 24 and the second lid member 32 seals the shell portion 28 when the cap 24 is closed, the second lid member 32 is added to the seal by the movable plugs 26 and 27 By employing the double seal structure, airtight reliability can be improved, and the generation of crystals due to volatilization of the content liquid in the application portion can be suppressed.
Furthermore, a snap-fit structure in which the snap member 31 is provided in the cap 24 and the locking claw 31 c is locked to the locking groove 27 d formed on the outer peripheral surface on the tip side of the second movable plug 27 when the cap 24 is closed. And Thereby, when the cap 24 is removed, the movable plugs 26, 27 can be pulled out with certainty. Moreover, since it is the latching structure by the latching claw 31c, the fitting adjustment at the time of manufacture can be made easier than the latching structure by an undercut.

  In the second embodiment, the rib member 26b is composed of four plate ribs 26b2 to 26b5, and the flow path is divided into four. However, in the present invention, the configuration is as follows. The effect is obtained by dividing the flow path into two at least. Alternatively, the flow path may be divided into more parts by using more plate ribs.

DESCRIPTION OF SYMBOLS 1 fixed amount discharge container 2 liquid container 3 discharge unit 4 cap 5 plug member 6 1st movable stopper (movable stopper)
6a Tubular part (partition wall)
6b Rib member (rib part)
6b2 plate rib 6b3 plate rib 6b4 plate rib 6b5 plate rib 7 second movable plug (movable plug)
8 Shell part 9a Valve part (application part)
11 snap member 11 c locking claw 12 second lid member (lid portion)
R2 measuring chamber 21 fixed discharge container 22 liquid container 22 c ring-shaped projection 23 discharge unit 24 cap 25 plug member 26 first movable plug (movable plug)
26a Tube part (partition wall)
26b Rib member (rib part)
26b2 plate rib 26b3 plate rib 26b4 plate rib 26b5 plate rib 27 second movable plug (movable plug)
28 Shell part 28d2 Protruding claw 28d3 Hinge part 29a Valve part (application part)
31 snap member 31 c locking claw 32 second lid member (lid portion)
Ro2 weighing room

Claims (4)

A liquid container for containing a coating liquid, a movable plug which opens and closes by moving back and forth with respect to the opening of the liquid container, a measuring chamber for measuring the coating liquid supplied from the liquid container, and a distal end side of the movable plug And an application unit for applying the application liquid measured by the measurement chamber.
The movable plug has a partition capable of closing the space between the liquid container and the measuring chamber, and a rib portion on which a plate rib extending from the partition is formed, and the rib portion extends from the opening of the liquid container. What is claimed is: 1. A fixed quantity discharge container, which is inserted into a liquid container side and forms a flow path substantially divided in a circumferential direction. A cap attachable to the liquid container in a state of covering the movable stopper;
The cap has a cylindrical lid inside.
The fixed quantity discharge container according to claim 1, wherein when the cap is closed, the opening of the liquid container is sealed by the movable stopper, and the whole of the movable stopper is sealed by the lid. The cap has a locking claw inside.
When the cap is tightened, the locking claw is locked in a locking groove formed on the peripheral surface of the movable plug, and the locking claw pulls out the movable plug by removing the cap. The fixed amount dispensing container according to claim 2. The movable plug moves back and forth inside, and includes a shell portion which covers the movable plug and forms the measuring chamber with the outer peripheral surface of the movable plug.
The shell portion has a projection claw which rides over and engages a ring-shaped projection formed along the circumferential direction on the outer peripheral surface of the liquid container,
The projection claw is supported by a hinge portion which is thinner than the projection claw, and is engaged with the hinge portion in a state over the ring-shaped projection of the liquid container. The fixed quantity discharge container described in any one of Item 3.

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