JP4657856B2 - Dispensing container - Google Patents

Description

  The present invention relates to a dispensing container, particularly a dispensing container capable of dropping and dispensing content liquids such as eye drops.

As a dispensing container for content liquids such as eye drops, a dispensing container that consists of a container body and an inner stopper, in which the contents liquid is dripped from the nozzle outlet of the inner stopper by inverting the container and squeezing the container body, (For example, refer to Patent Document 1).
JP 07-275322 A

  However, in the conventional dispensing container described in Patent Document 1, when the container is returned to an upright state after dropping the content liquid, the inside of the second chamber (30) and the throttle chamber as the dispensing channel in the inner plug (40) The content liquid adhering to the inside may become a residual liquid and block the flow path.

  Thus, depending on the components of the content liquid, even if the inside of the container is closed by the cap (70), the residual liquid dries and crystallizes when left for a long period of time, and the flow path is blocked when the content liquid is used again. There was a problem that the content liquid could not be used.

  An object of the present invention is to solve the above-mentioned problem, and after the content liquid is poured out, the residual liquid remaining in the outlet passage of the inner plug is fitted with an overcap on the container, and the container is closed. It aims at providing the extraction container which can be returned in the body.

  In order to solve the above-mentioned problems, the present invention provides a container body that contains a liquid content and can be squeezed as a dispensing container, an inner plug that is attached to the mouth tube part of the container body, It is a pouring container composed of an overcap to be fitted, and the container main body has a neck portion provided with a screw on the outer periphery standing at the upper center of the container body, and an outer periphery standing at the upper center of the neck portion And a mouth tube portion provided with a screw in a direction opposite to the screw of the neck portion, the inner plug has an upper wall, a pouring tube portion having a pouring passage inside, and an outer periphery of the container body. An inner cylindrical portion that slides on the inner periphery of the cylindrical portion, and an outer cylindrical portion that is provided with a plurality of vertical grooves on the outer periphery, and on the inner periphery is provided with a screw that is screwed with a screw of the mouth tube portion of the container body, The overcap consists of an upper wall, a plug body that is inserted into the discharge passage from the upper end of the discharge tube portion of the inner plug, an inner tube portion, and a vertical groove in the outer tube portion of the inner plug at the upper portion of the inner periphery. A plurality of vertical ribs to be engaged are provided in the lower portion, and an outer cylinder portion provided with a screw threadedly engaged with a screw of a neck portion of the container body is provided at the lower portion, and the overcap is fitted and closed on the container body. A configuration is adopted in which the inner stopper is sometimes raised to make the inside of the container have a negative pressure.

Screws on the neck of the container body, screws in the opposite direction to the neck of the mouth tube, and a vertical groove on the outer periphery of the outer tube of the inner plug. Screws of the mouth tube on the inner periphery Screws to be screwed onto the outer cylinder of the overcap, vertical ribs that engage with the vertical grooves on the outer periphery of the outer tube of the inner cap, and screws to be screwed into the screws on the neck of the container body Therefore, the inner plug can be raised by rotating the overcap relative to the container body when the overcap is closed.
By raising the inner plug, the volume in the container increases and the inside of the container becomes negative pressure, so that the residual liquid remaining in the extraction channel in the inner plug can be sucked back into the container.

Next, an embodiment of the dispensing container of the present invention will be described with reference to the drawings.
In FIG. 1, A is a container body for storing the content liquid, B is an inner stopper, and C is an overcap.
In the dispensing container, eye drops and the like are stored as the content liquid.

As shown in FIGS. 1 and 2, the container body A is squeezed deformable container body 1, neck part 2 erected at the upper center of container body part 1, and erected at the upper center of neck part 2. It is formed from the mouth tube portion 3.
A right screw 4 is screwed on the outer peripheral surface of the neck portion 2, and a left screw 5 that is inclined in the opposite direction to the right screw 4 is screwed on the outer peripheral surface of the mouth tube portion 3.

  The inner plug B is suspended from the upper wall 10 whose lower surface is in contact with the upper end of the mouth tube part 3 of the container main body A, the extraction cylinder part 11 erected at the center of the upper wall 10, and the lower surface of the upper wall 10. The inner cylinder part 12 whose outer periphery slides within the inner periphery of the mouth tube part 3 and the outer tube part 13 which is suspended from the outer edge of the upper wall 10 and engages with the outer periphery of the mouth tube part 3. Yes.

  The extraction cylinder 11 includes an extraction path 15 which is formed from the center of the lower surface of the upper wall 10 and is formed so as to increase in diameter upward. The upper end of the extraction path 15 is an outlet 16 and a lower end. Is a distribution port 17.

  The outer cylinder portion 13 is provided with a plurality of vertical grooves 20 on the outer periphery, and a left screw 21 that engages with the left screw 5 of the mouth tube portion 3 of the container body A is screwed on the inner periphery.

  The overcap C is suspended from the upper wall 25 and the center of the lower surface of the upper wall 25 and is inserted through the spout 16 at the upper end of the spout cylinder 11 of the inner plug B to seal the spout passage 15. It consists of an inner cylinder part 27 suspended from the lower surface of the wall 25 and an outer cylinder part 28 suspended from the outer edge of the upper wall 25.

  On the inner periphery of the outer cylinder portion 28, a plurality of vertical ribs 30 that engage with the vertical grooves 20 of the outer cylinder portion 13 of the inner plug B are provided on the upper portion, and the neck portion 2 of the container body A is provided on the lower portion. A right screw 31 that engages with the right screw 4 is screwed.

Next, the function and effect of the dispensing container of the present invention will be described.
When using the dispensing container of the present invention, first, when opening the overcap C, the outer cylinder portion 28 of the overcap C in the state shown in FIG. 1 is gripped and rotated counterclockwise.
The overcap C is rotated counterclockwise with respect to the container main body A, and the right screw 31 on the inner peripheral lower part of the outer cylindrical portion 28 of the overcap C and the right screw 4 on the outer periphery of the neck 2 of the container main body A are screwed. As a result, the container body A and the stopper plug B come off while rising.

  At that time, since the vertical rib 30 on the inner peripheral upper portion of the outer cylinder portion 28 of the overcap C and the vertical groove 20 on the outer periphery of the outer cylindrical portion 13 of the inner plug B are engaged, The inner plug B also rotates counterclockwise, and the inner screw B is screwed with the left screw 21 on the inner periphery of the outer tube portion 13 of the inner plug B and the left screw 5 on the outer periphery of the mouth tube portion 3 of the container body A. The outer periphery of the cylindrical portion 12 descends while sliding within the inner peripheral portion of the mouth cylindrical portion 3 of the container main body A, and the engagement between the vertical rib 30 of the overcap C and the vertical groove 20 of the inner plug B is released. As shown in FIG. 3, the inner stopper B is fastened to the mouth tube part 2, and the overcap C is removed from the dispensing container.

  When the container is inverted and the container body 1 of the container main body A is pressed, the content liquid in the container is dropped from the outlet 16 through the outlet 15 in the inner plug B through the outlet 15.

  After the container is inverted and the content liquid is dropped, the container is returned to the upright state, the overcap C is fitted onto the container body A from above the inner plug B, and the outer cylinder portion 28 of the overcap C is gripped. When rotated clockwise, the overcap C descends by screwing the right screw 31 on the lower inner periphery of the outer cylinder portion 28 of the overcap C and the right screw 4 on the outer periphery of the neck 2 of the container main body A, and the container main body A And attached to the inner plug B.

  At that time, the vertical rib 30 on the inner peripheral upper portion of the outer cylinder portion 28 of the overcap C and the vertical groove 20 on the outer periphery of the outer cylinder portion 13 of the inner plug B are engaged. Rotate clockwise.

  The inner plug B rotates clockwise with respect to the container main body A, so that the left screw 21 on the inner periphery of the outer tube portion 13 of the inner plug B and the left screw 5 on the outer periphery of the mouth tube portion 3 of the container main body A are screwed. As a result, the outer periphery of the inner cylindrical portion 12 of the inner plug B rises in the overcap C while sliding within the inner peripheral portion of the mouth cylindrical portion 3 of the container main body A, and the volume in the container is increased. As shown, the dispensing container is closed.

  In the dispensing container of the present invention, the inner plug B rises when the container is closed, so that the volume in the container increases and the inside of the container becomes negative pressure. The content liquid remaining in B can be sucked back into the container main body A.

  Therefore, even when the dispensing container is stored for a long period of time and the container is used again, the contents liquid does not remain in the dispensing path 15 of the inner plug B, so that the contents liquid is dried and crystallized in the dispensing path 15. It is possible to prevent the occurrence of squeezing, and there is no need to block the inside of the extraction passage 15.

  Further, when the container is closed, the stopper 26 of the overcap C closes the spout 16 of the inner stopper B, and the lower end of the inner cylindrical portion 27 of the overcap C comes into contact with the upper surface of the upper wall 10 of the inner stopper B so as to be sealed. Therefore, it is possible to prevent the content liquid in the container from drying.

  In the above embodiment, the right screw 4 is screwed to the neck 2 of the container body A, and the left screw 5 is screwed to the mouth tube 3, and the over cap C and the inner plug B are screwed to the screws of the neck 2 and the mouth tube 3. Although the right screw 31 and the left screw 21 are screwed, the inner cap B is moved up and down in the opposite direction of the overcap C by rotating the overcap C with respect to the container main body A. Therefore, a left screw is screwed to the neck portion 2 of the container body A, a right screw is screwed to the mouth tube portion 3, and the left cap screwed to the screw of the neck portion 2 and the mouth tube portion 3 is screwed to the overcap C and the inner plug B. A screw or a right screw may be screwed.

  In the dispensing container of the present invention, the content liquid does not remain in the inside plug, so the content liquid does not dry and crystallize in the inside plug after use. The content liquid can be used, and can be widely used as a dispensing container for various content liquids such as eye drops.

It is a cross-sectional elevation view of the dispensing container of the present invention. It is expansion | deployment explanatory drawing of the extraction container of this invention. It is a section elevation view of the pouring container opened state of the present invention.

Explanation of symbols

A Container body B Inner plug C Overcap 1 Container body portion 2 Neck portion 3 Mouth tube portion 4 Right-hand screw 5 Left-hand screw 10, 25 Upper wall 11 Outlet tube portion 12, 27 Inner tube portion 13, 28 Outer tube portion 15 Outlet passage 16 Outlet 17 Distribution port 20 Vertical groove 21 Left-hand thread 26 Plug body 30 Vertical rib 31 Right-hand thread

Claims (1)

A dispensing container comprising a container body capable of storing a content liquid and squeezable and deformable, an inner stopper attached to the mouth tube portion of the container body, and an overcap fitted to the mouth tube portion,
The container body has a neck with a screw provided on the outer periphery that is erected at the upper center of the container body, and a mouth that is provided with a screw in the opposite direction to the screw at the neck on the outer periphery that is erected at the upper center of the neck. A cylindrical portion,
The inner plug is provided with an upper wall, a pouring tube portion having a pouring passage inside, an inner tube portion whose outer periphery slides on the inner periphery of the mouth tube portion of the container body, and a plurality of vertical grooves on the outer periphery. An outer tube portion provided with a screw threadedly engaged with a screw of the mouth tube portion of the container body on the periphery,
The overcap is connected to the upper wall, the plug body to be inserted into the extraction channel from the upper end of the extraction tube portion of the inner plug, the inner tube portion, the upper portion of the inner periphery, and the vertical groove of the outer tube portion of the inner plug. A plurality of vertical ribs to be joined, and at the lower portion, an outer cylinder portion provided with a screw that is screwed into a screw of a neck portion of the container body,
A pouring container characterized in that when the overcap is fitted and closed on the container body, the inner stopper is raised so that the inside of the container becomes negative pressure.

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