JPH0446687Y2 - - Google Patents

Description

[Detailed description of the invention] (1) Industrial application field This invention relates to a cosmetic compact that stores contents such as liquid or cream cosmetic materials.

(2) Conventional technology and its problems For example, as a compact of this kind,
There is one disclosed in Publication No. 93914. As shown in FIG. 6, the piston 1 is
02 into the cylinder 103, and the contents stored in the flexible bag 105 and passed through the passage 106 between the first valve 107 and the second valve 108 in the cylinder are released by pushing the piston 102. The liquid is discharged from the first valve 107 to the receiving portion 111 through an outlet formed in the center of the inner plate 110.

However, in this conventional type, when the contents stored in the bag body 105 decrease, the contents will become uneven if the compact is not held horizontally, and the contents will not go around to the passage 106 which is the absorption opening. However, there is a problem in that it becomes difficult to discharge.

Therefore, the technical problem of this invention is to make it possible to completely discharge the contents without shifting the contents even when the contents stored in the bag decrease.

(3) Means for solving the problem In order to achieve the above technical objective, this invention is as follows:
an upper end of a discharge tube having an axial discharge hole with an open upper end and a closed lower end is slidably fitted into the discharge port, and a tapered section having a diameter gradually decreasing toward the lower end and a small diameter section having the same diameter as the minimum diameter section of the tapered section are successively formed in the lower end of the discharge tube, a communication hole communicating with the discharge hole is formed in the cylindrical wall of the small diameter section, and an elastic seal packing that closes the communication hole by abutting with its inner peripheral surface is fitted into the small diameter section,
The outer periphery of this packing is held by a retaining tube with upper and lower end openings that slidably holds the lower end of the discharge tube on its inner surface, a biasing member is provided that biases the discharge tube to a position where the communication hole is closed by the inner surface of the packing, and when the discharge tube is pushed down against the biasing force of the biasing member, a communication passage is formed at the lower end of the discharge tube that connects the communication hole, which is opened when the inner periphery of the packing is elastically deformed downward by the tapered portion, to the lower end opening of the retaining tube, a bag body for storing contents is provided in the retaining tube, the inside of which is connected to the lower end opening of the retaining tube, and this bag body is placed in the container body and stored in a gas container supporting the retaining tube so as to receive the gas pressure filled in the container, and an operating portion for pushing the discharge tube down against the biasing force of the biasing member is provided protruding from the upper surface of the inner plate.

(4) Action When the operation part is pressed down and the ejection tube is pushed down against the biasing force of the biasing member, the inner peripheral side of the elastic seal packing is elastically deformed downward by the tapered part, and until then the inner peripheral surface of the packing is The communication hole that was closed due to contact is opened, and the contents inside the bag, which is under the gas pressure in the gas container, are passed through the lower end opening of the holding cylinder and the communication path of the holding cylinder. It enters the discharge hole through the communication hole and is discharged from the discharge hole onto the upper surface of the inner tray.

On the other hand, when the pressing of the operating part is stopped, the ejection tube is pushed upward by the urging force of the urging member, the inner peripheral side of the elastic seal packing is lifted, and the communication hole is closed again with the inner peripheral surface. position, which prevents evacuation of the contents.

(5) Example In Fig. 1, 1 is a cosmetic compact;
It includes a container body 2 and an upper lid 3. An inner tray 6 having a discharge port 5 in the center is fitted into the upper opening of the main body 2. A cylindrical portion 7 is integrally vertically disposed on the lower surface of the inner plate 6 around the discharge port 5, and an engaging tube 11 having a discharge hole 10 having the same diameter as the discharge port 5 in the center is provided in the hollow portion of the tube portion 7.
The upper end cylindrical portion 12 is slidably fitted with the discharge hole 10 and the discharge port 5 communicating with each other on the same axis.

As a result, a large-diameter hollow portion is formed at the lower part of the discharge hole 10 of the engagement tube 11, and the upper end of the discharge tube 16 has an axial discharge hole 15 that is open at the upper end and closed at the lower end. The parts are fitted. At the lower end of the discharge tube 16, as shown in FIG.
A large diameter portion 19 having the same diameter as the maximum diameter portion of the tapered portion 17 and a second large diameter portion 20 having a larger diameter than the maximum diameter portion of the tapered portion 17 are sequentially formed, and the cylindrical wall of the small diameter portion 18 communicates with the discharge hole 15. A communication hole 21 is bored. Small diameter part 1
8 is fitted with an elastic seal packing 23 made of rubber or the like, which closes the communication hole 21 by abutting the inner peripheral surface thereof. The gasket 23 is attached to the upper end opening surface of a holding cylinder 25 with upper and lower end openings that slidably holds the second large diameter part 20 of the discharge cylinder 16 on its inner peripheral surface, and to the gas container lid 26 (described later) that supports the holding cylinder. Its outer periphery is held under pressure by the central opening 27. A spring 28 is arranged in the holding cylinder 25 and urges the discharge cylinder 16 upward so that the communication hole 21 is closed by the inner peripheral surface of the packing 23. Reference numeral 30 denotes an axial communication passage formed in the second large diameter portion 20 of the discharge tube 16. When the discharge tube 16 is pushed down against the biasing force of the spring 28, the communication passage 30 allows the tapered portion 17 to close the gasket. The communication hole 21, which is opened when the inner circumferential side of the holding cylinder 23 is elastically deformed downward, communicates with the lower end opening 31 of the holding cylinder 25. As shown in FIG. 3, the lower end opening 31 consists of a small opening 31a and a large opening 31b, and the large opening 31b is cross-shaped and open at the lower end.

At the lower end of the holding cylinder 25, a mounting boss 34 of a flexible bag 33 made of resin such as nylon containing liquid or cream-like contents is installed, and the inside thereof communicates with the lower end opening 31 for sealing. It is fitted.

Reference numeral 35 denotes a gas container that accommodates the bag 33 and is disposed within the main body 2. The container 35 is filled with a gas such as chlorofluorocarbon gas that applies gas pressure to the bag 33. 36 is a gas filling valve provided on the bottom wall of the gas container 35.

In FIG. 1, numeral 37 is a push plate for pushing down the engagement tube 11, and one end of this push plate 37 is connected to the concave groove 3 of the inner plate 6.
A rectangular opening 4 formed in the center and fitted into the
0 to fit and engage with the non-circular cylindrical portion 41 of the engagement tube 11 (FIG. 4). The other end of the push plate 37 is in a free state, and an operation button 43 that pushes down the discharge tube 16 via the push plate 37 and the engagement tube 11 against the biasing force of the spring 28 is provided at the other end. The lower end of the push plate 37 is engaged with guides 44 provided on both sides of the push plate 37. The operation button 43 is slidably inserted into a recess 45 provided in the inner plate 6, and its upper end protrudes from the upper surface of the inner plate 6.

Next, the operation of the above embodiment will be explained.

When the operation button 43 is pressed downward as shown by the arrow in the state shown in FIG. As shown in , the push plate 3 is swung downward around one end.
The upper end cylinder part 12 of the engaging cylinder 11 which engages with the opening 40 of the cylinder part 7 through the non-circular cylinder part 41 is swung downward in the hollow part of the cylinder part 7 . Due to this swinging of the engaging cylinder 11, the discharge cylinder 16, which engages with this hollow part at its upper end, is moved by the spring 28.
The inner peripheral side of the packing 23 is elastically deformed downward by the tapered portion 17 as shown in FIG. Patsukin 2
Due to the elastic deformation of 3, the packing 23
The communication hole 21 of the small diameter portion 18, which had been closed due to the inner circumferential surface of the bag body 3 being in contact with the inner peripheral surface of the gas container 35, is now opened.
The contents in the holding cylinder 25 are stored in the lower end opening 31 of the holding cylinder 25,
Communication path 30 of second large diameter portion 20 in holding cylinder 25
enters the discharge hole 15 from the communication hole 21 through the
The liquid is discharged from the discharge hole 15 through the discharge hole 10 of the engagement cylinder 11, the hollow part of the cylinder part 7, and the discharge hole 10 to the receiving part on the upper surface of the inner tray 6.

On the other hand, when the pressing of the operation button 43 is stopped, the ejection tube 16 is swung upward by the biasing force of the spring 28, and the engagement tube 11 is also swung upward as the ejection tube 16 swings. , the operation button 43 returns to its original position. Due to the swinging of the discharge tube 16, the inner circumferential side of the packing 23 engages with the stepped portions of the large diameter portion 19 and the small diameter portion 18 and is lifted up, and the communicating hole 21 is closed again with the inner circumferential surface of the packing 23, as shown in FIG. This prevents the contents from being discharged.

The contents discharged into the receiving portion 48 of the inner tray 6 by pressing the operation button 43 are applied by an applicator such as a puff placed on the receiving portion.

Incidentally, the above-mentioned embodiment merely shows a preferable example, and various design changes can be made to this invention without changing the gist thereof.

(6) Effects of the device Since this device has the above-mentioned configuration, even if the contents decrease, the contents can be completely discharged without holding the compact horizontally, unlike the conventional ones. It has the excellent effect of reliably eliminating the difficulty of discharging due to unevenness due to decrease in contents.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional front view showing an embodiment of this invention, Fig. 2 is an enlarged sectional view of the same essential parts, Fig. 3 is a bottom view of the holding cylinder, and Fig. 4 shows the presser plate, and A is its side surface. FIG. 5 is an enlarged sectional view of a main part for explaining the operation, and FIG. 6 is a longitudinal sectional front view showing a conventional example. 1... Cosmetic compact, 2... Container body, 3
... Upper lid, 5 ... Outlet, 6 ... Middle plate, 11 ...
Engagement tube, 15... Discharge hole, 16... Discharge tube, 17
... Taper portion, 18 ... Small diameter portion, 21 ... Communication hole, 23 ... Elastic seal packing, 25 ... Holding cylinder, 28 ... Spring, 30 ... Communication path, 31 ... Lower end opening, 33 ... ...Bag body, 35...Gas container, 3
7... Push plate, 43... Operation button, 45... Recessed hole.

Claims (1)

[Scope of utility model registration request] In a cosmetic compact in which an inner tray having an outlet at the top of the container body is fitted, the top end is open,
The upper end of the discharge tube having an axial discharge hole with a closed lower end is slidably fitted into the discharge port, and the lower end of the discharge tube has a tapered portion that gradually becomes smaller in diameter toward the lower end. A small diameter part having the same diameter as the smallest diameter part of the part is successively formed, a communication hole communicating with the discharge hole is bored in the cylindrical wall of this small diameter part, and an elastic part is formed to close this communication hole by contact with the inner peripheral surface. A seal gasket is fitted into the small diameter portion, and the outer peripheral portion of the gasket is held by a holding tube with openings at upper and lower ends that slidably holds the lower end of the ejection tube on the inner surface, and connects the ejection tube with the communication tube. A biasing member is provided that biases the hole to a position where the inner surface of the gasket is closed, and when the discharge tube is pushed down against the biasing force of the biasing member, the tapered portion causes the inside of the gasket to close. A communication path is formed at the lower end of the ejection tube, which communicates the communication hole, which is opened when the circumferential side is elastically deformed downward, and the lower end opening of the holding tube, and the holding tube is used for storing contents. A bag body is provided with its interior communicating with the lower end opening of the holding cylinder, and this bag body is housed in a gas container disposed within the container body and supporting the holding cylinder, and the bag body is filled into the gas container. The cosmetic is adapted to receive gas pressure, and is provided with an operating part that pushes down the ejection tube against the urging force of the urging member, protruding from the upper surface of the inner tray. Compact for use.