JP5058777B2 - Sealed container - Google Patents

Description

 The present invention relates to a sealed container provided with a dispensing cylinder part at one end and a connecting member having a connection cylinder part at the other end.

As this type of sealed container, for example, a syringe container used in an intestinal tract inspection apparatus as shown in Patent Document 1 below is known. In this syringe container, a spout is formed at one end, and air injection means having a movable member such as a plunger such as a syringe is disposed on the other end, and a tube is attached to the spout. By pressing the movable member, the staining liquid stored in the syringe container is poured into the body through the tube. It should be noted that the amount of dyeing liquid dispensed can be controlled by adjusting the pressing amount of the movable member.
JP 2005-103092 A

By the way, in the above-mentioned syringe container, in order to prevent the quality change etc. of a content, high sealing performance is calculated | required in the state before use.
Further, when the syringe container containing the contents is transported, it is necessary to fix the movable member so that the contents do not leak.

 This invention is made | formed in view of the situation mentioned above, Comprising: It aims at providing the sealed container which is excellent in sealing performance and can perform a conveyance operation | work easily.

 In order to solve this problem, a sealed container according to the present invention includes a cylindrical container body provided with a dispensing cylinder part at one end and a connecting member having a connecting cylinder part at the other end, and the dispensing cylinder. A sealing member that seals the portion, and a plug member that seals the connecting tube portion, and the connecting member is disposed so as to cover the opening surface on the other end side of the container body. And a mounting cylinder portion that is suspended from the outer peripheral edge of the annular top plate portion and is attached to the container body, and a fitting cylinder portion that is suspended from the back surface facing the inside of the container body in the annular top plate portion, And the connecting tube portion is provided on the center portion of the surface opposite to the back surface of the annular top plate portion so as to be coaxial with the annular top plate portion, and the plug member is opened on the other end side of the container body. A ring-shaped fixing part fitted in the part, and arranged in the radial direction of the fixing part in the connecting cylinder part A plurality of insertion projections slidably inserted from the inside of the container body, and a plurality of circumferentially spaced intervals between the fixed portions and the insertion projections, and connecting the fixed portions and the insertion projections. An annular groove is formed on the surface of the fixed portion facing the outside of the container body, and the annular top plate is formed on the outer peripheral surface of the fixed portion. A flange-shaped locking portion sandwiched between the back surface of the container body and the opening edge on the other end side of the container main body is projected, and when the air injection means is inserted into the connection tube portion from the outside of the container main body, While the connecting portion is elastically deformed by the injection means, the insertion convex portion is pushed down toward the inside of the container main body with respect to the fixed portion and the connecting tube portion, thereby the inside of the container main body and the air injection means are Between the connecting tube part and the insertion convex part and the plug part Characterized in that it is configured to communicate through between the connecting portions adjacent to each other in the circumferential direction of.

In this sealed container, the dispensing tube portion is sealed with the sealing member, the connecting tube portion is sealed with the plug member, and the locking portion provided on the fixing portion of the plug member is the annular ceiling of the connecting member. In the state where the fitting cylinder part of the connection member is fitted in the annular groove formed between the plate part and the opening edge of the other end side of the container body and formed in the fixing part of the stopper member, Since the end-side opening surface is covered with the annular top plate portion of the connection member, it is possible to improve the sealing performance in the container body.
In addition, the sealed container is provided with a connecting cylinder portion for connecting an air injection means having a movable member such as a plunger such as a syringe, and the air injection means is not connected when the sealed container is transported. Since the connection can be made only when the contents are in use, the operation of fixing a movable member such as a plunger during the conveyance is unnecessary, and the conveyance operation can be easily performed.
Further, since the plug member that seals the connecting cylinder part is adapted to communicate the inside of the container body with the air injecting means by inserting the air injecting means into the connecting cylinder part, before using the contents. Until this time, the sealing performance in the container body can be reliably maintained, and the interior of the container body and the air injection means can be communicated with each other by a simple operation.

Here, the sealing member includes a packing member in which a sheet material made of polyethylene terephthalate is disposed on at least a surface facing the inside of the container main body, and the packing member is disposed on the extraction cylinder portion via the sheet material. It may be in close contact with the opening end face.
In this case, since the extraction cylinder part is sealed by bringing the packing member into close contact with the opening end surface of the extraction cylinder part via the sheet material, the extraction cylinder part can be reliably sealed. In addition, since a sheet material made of polyethylene terephthalate having excellent chemical resistance is disposed on at least the surface facing the inside of the container body in the packing member, the contents such as drugs stored in the container body are contained. Even when it comes into contact with the sheet material, it is possible to prevent the contents from being altered.

 According to this invention, it is excellent in sealing performance and can perform a conveyance operation | work easily.

Below, the sealed container which is one Embodiment of this invention is demonstrated with reference to FIGS. 1-4.
The sealed container 10 contains, for example, contents such as medicines, and is a cylindrical container in which a dispensing cylinder part 14 is provided at one end and a connection member 17 having a connection cylinder part 22 is provided at the other end. A main body 11, a cap (sealing member) 40 that seals the extraction tube portion 14, and a plug member 30 that seals the connection tube portion 22 are provided. Hereinafter, one end side of the container body 11 is referred to as a lower side, and the other end side is referred to as an upper side.
The container main body 11 is formed in a cylindrical shape extending along the central axis L. Further, on the outer peripheral surface of the container main body 11, a flange portion 15 protruding outward in the radial direction is formed on the upper portion, and a male screw portion 16 is formed on the upper end portion above the flange portion 15. Is formed.

 Here, in the present embodiment, the connection member 17 is provided so as to cover the upper end opening surface of the container main body 11 and the outer peripheral edge of the annular top plate 18 so as to be suspended from the outer peripheral edge of the container main body 11. A mounting cylinder portion 19 attached to the upper end portion of the inner cylinder, a fitting cylinder portion 21 suspended from the lower surface (back surface) facing the inside of the container body 11 in the annular top plate portion 18, and the connection cylinder portion 22 described above, It has. The annular top plate portion 18 covers the upper end opening surface of the container body 11 in a state where it is arranged coaxially with the central axis L.

A female screw portion 20 is formed on the inner peripheral surface of the mounting cylinder portion 19, and the female screw portion 20 is screwed into a male screw portion 16 formed in the container body 11, whereby the connecting member 17 is connected. It is attached to the upper end of the container body 11.
Furthermore, the connection cylinder part 22 is protrudingly provided in the center part of the upper surface (surface) which faces the outer side of the container main body 11 in the cyclic | annular top plate part 18. As shown in FIG. In the example shown in the figure, a support cylinder portion 23 projects from the outer peripheral edge portion of the annular top plate portion 18.
The annular top plate 18, the mounting cylinder 19, the fitting cylinder 21, the connection cylinder 22 and the support cylinder 23 are arranged coaxially with the central axis L and, for example, polyethylene phthalate (hereinafter referred to as PET) or the like. It is integrally formed of a resin material.

Here, the aforementioned plug member 30 includes a ring-shaped fixing portion 31 fitted in the upper end opening of the container body 11, and is disposed on the radially inner side of the fixing portion 31, and is located below the connection cylinder portion 22. A plurality of insertion protrusions 32 inserted from (inside the container body 11) and a plurality of fixed protrusions 31 and insertion protrusions 32 are arranged between the fixing part 31 and the insertion protrusion 32 at intervals in the circumferential direction. And a plate-like connecting portion 33 to be connected.
Among these, the insertion convex part 32 is slidable along the direction of the central axis L in the connecting cylinder part 22 and is inserted in a liquid-tight state. Further, the connecting portion 33 is gradually inclined upward from the inner peripheral surface of the fixed portion 31 toward the outer peripheral surface of the insertion convex portion 32, and is connected to the outer peripheral surface of the lower end portion of the insertion convex portion 32. Further, the insertion convex portion 32 is formed on the inside of the fixing portion 31 in the radial direction of the container main body 11 before the injection port 2 of the air injection means 1 is inserted into the connecting cylinder portion 22 as will be described later. It is inserted into the connecting tube portion 22 in a state of protruding upward from the upper surface (surface) facing outward.

Further, two communication grooves 32A and 32A intersecting at the center of the upper end surface are formed at the upper end portion of the insertion convex portion 32, and these communication grooves 32A and 32A are respectively outer peripheral surfaces of the insertion convex portion 32. It extends to. And the part formed in the outer peripheral surface of the insertion convex part 32 in communication groove | channel 32A, 32A is the inner periphery of the connection cylinder part 22 before the injection port 2 of the air injection means 1 is inserted in the connection cylinder part 22. It is blocked by the surface and does not communicate with the gap 33 </ b> A between the connecting portions 33 adjacent in the circumferential direction of the plug member 30.
In addition, the connection part 33 is formed, for example with elastic materials, such as fluororubber, and the fixing | fixed part 31, the insertion convex part 32, and the whole connection part 33 are formed with the elastic material in this embodiment.

Furthermore, in the present embodiment, an annular groove 31A in which the fitting cylinder portion 21 of the connection member 17 is fitted is formed on the upper surface of the fixing portion 31, and an upper end portion of the outer peripheral surface of the fixing portion 31 is formed on the upper surface. A flange-like locking portion 31B sandwiched between the lower surface of the annular top plate portion 18 of the connecting member 17 and the upper end opening edge of the container main body 11 is projected.
The upper end opening edge of the container body 11 and the locking part 31B of the fixing part 31 abut on each other in a liquid-tight state, and the inner peripheral surface of the upper end part of the container body 11 and the outer peripheral surface of the fixing part 31 are in a liquid-tight state. It touches.

 Here, the lower end portion of the container body 11 is a shoulder portion 13 whose diameter is gradually reduced as it goes downward. And in this embodiment, the above-mentioned extraction cylinder part 14 is connected with the lower end of the shoulder part 13, and is extended in parallel along the central axis L toward the downward direction. In the example shown in the figure, the dispensing cylinder portion 14 is formed integrally with the container body 11 from a resin material such as polyethylene phthalate (hereinafter referred to as PET). Further, the dispensing cylinder portion 14 is formed in a two-stage cylinder shape in which an upper large diameter portion 14A connected to the lower end of the shoulder portion 13 and a lower small diameter portion 14B are connected coaxially to the central axis L. Among these, a male screw portion is formed on the outer peripheral surface of the large-diameter portion 14A.

Here, the cap 40 that seals the dispensing cylinder portion 14 includes a peripheral wall portion 41 having an internal thread portion formed on the inner peripheral surface, and a bottom plate portion 42 that closes the lower end opening surface of the peripheral wall portion 41. In addition, a packing member 43 is disposed inside the bottom plate portion 42. In this packing member 43, a sheet material (not shown) made of PET is adhered to at least a surface 43A facing the inside of the container main body 11. In the present embodiment, a PET sheet material is also attached to both surfaces of the packing member 43, that is, the surface 43 </ b> B facing the outside of the container body 11.
And the screw member 43 of the cap 40 and the male screw part of the large diameter part 14A of the extraction cylinder part 14 are screwed together so that the packing member 43 of the cap 40 is placed on the opening end surface of the extraction cylinder part 14. The cap 40 can be attached to the extraction tube portion 14 in a state where the cap 40 is in close contact with the material.

Next, the usage method of the sealed container 10 comprised as mentioned above is demonstrated.
First, the cap 40 is rotated around the central axis L to be removed from the extraction cylinder portion 14, and the extraction cylinder portion 14 is opened. Then, a tube 50 for insertion into the body having a discharge nozzle 51 provided at the tip is attached to the small diameter portion 14B of the dispensing cylinder portion 14.
Then, the injection port 2 of the air injection means 1 is inserted into the connection tube portion 22 from the outside of the container body 11. At this time, the tip of the inlet 2 of the air injection means 1 presses the upper end surface of the insertion convex portion 32 downward. As a result, the insertion convex portion 32 is pushed downward with respect to the fixing portion 31 and the connecting tube portion 22 while the connecting portion 33 of the plug member 30 is elastically deformed, so that the communication formed in the insertion convex portion 32 is achieved. The portions formed on the outer peripheral surface of the insertion convex portion 32 in the grooves 32A and 32A are exposed and opened from the inside of the connecting cylinder portion 22, and the connecting portions 33 adjacent to the communication grooves 32A and 32A in the circumferential direction in the plug member 30 are opened. The gap 33A between them communicates.
As described above, the inside of the container main body 11 and the air injection means 1 communicate with each other between the communication grooves 32 </ b> A and 32 </ b> A, that is, between the connection tube portion 22 and the insertion convex portion 32 and through the gap 33 </ b> A of the plug member 30.

 When air is injected into the container body 11 by the air injection means 1 with the tube 50 and the air injection means 1 connected to the sealed container 10 as described above, the contents accommodated in the container body 11 are air. Is discharged through the discharge tube 51 and the tube 50 in this order from the discharge nozzle 51 into the body. Even when air is injected into the container body 11 by pushing down the insertion convex portion 32 at the inlet 2 of the air injection means 1 as described above, the upper end portion of the insertion convex portion 32 is in the connection tube portion 22. Is located.

In the sealed container 10 of the present embodiment configured as described above, the dispensing cylinder portion 14 is sealed with the cap 40, the connecting cylinder portion 22 is sealed with the plug member 30, and the plug member 30 is fixed. A locking portion 31B provided in the portion 31 is sandwiched between the annular top plate portion 18 of the connection member 17 and the upper end opening edge of the container body 11, and the annular groove 31A formed in the fixing portion 31 of the stopper member 30. Since the upper end opening surface of the container body 11 is covered with the annular top plate portion 18 of the connection member 17 in a state where the fitting cylinder portion 21 of the connection member 17 is fitted to the container member 11, the sealing performance in the container body 11 is improved. Can be increased.
In addition, the sealed container 10 is provided with a connecting tube portion 22 for connecting the air injection means 1 having a movable member such as a plunger such as a syringe. The air injection means 1 is connected to the sealed container 10. Since the connection can be made only when the contents are used without being connected at the time of transfer, there is no need to fix a movable member such as a plunger at the time of transfer, and the transfer work can be easily performed.

 Moreover, since the plug member 30 that seals the connection cylinder part 22 allows the inside of the container body 11 and the air injection means 1 to communicate with each other by inserting the air injection means 1 into the connection cylinder part 22. Until the contents are used, the sealing performance in the container body 11 can be reliably maintained, and the interior of the container body 11 and the air injection means 1 can be communicated with each other with a simple operation.

 Furthermore, since the extraction cylinder part 14 is sealed by bringing the packing member 43 into close contact with the opening end surface of the extraction cylinder part 14 via the sheet material, the extraction cylinder part 14 can be reliably sealed. it can. In addition, since a sheet material made of polyethylene terephthalate having excellent chemical resistance is disposed on the packing member 43, even when contents such as a medicine accommodated inside the container body 11 come into contact with the sheet material. It is possible to prevent the contents from being altered.

Although the sealed container which is the embodiment of the present invention has been described above, the technical scope of the present invention is not limited to this embodiment, and can be appropriately changed without departing from the technical idea of the present invention. .
For example, the entire plug member has been described as being made of fluorine rubber or the like, but the invention is not limited to this, and one using a general-purpose resin or one in which only the connecting portion is made of an elastic material is adopted. It is possible. As the elastic material, fluorine rubber or rubber coated with fluorine is optimal because it has excellent chemical resistance. Thus, it is preferable that the material of the plug member is appropriately set in consideration of the contents.
Furthermore, although demonstrated as what attaches a tube to the front-end | tip of the extraction | pouring cylinder part, it is not limited to this, You may attach a needle-like thing, a distribution pipe, etc.

 Provided is a sealed container that is excellent in hermeticity and can be easily transported.

It is side surface fragmentary sectional view of the sealed container which is one Embodiment of this invention. It is a perspective view of the stopper member with which the sealed container shown in FIG. 1 was equipped. It is a side surface fragmentary sectional view of the stopper member shown in FIG. It is explanatory drawing which shows the use condition of the sealed container shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air injection means 10 Sealed container 11 Container main body 14 Extraction cylinder part 17 Connection member 18 Annular top plate part 19 Mounting cylinder part 21 Fitting cylinder part 22 Connection cylinder part 30 Plug member 31 Fixing part 31A Annular groove 31B Locking part 32 Insertion convex part 33 Connection part 33A Crevice (between connection parts)
40 Cap (sealing member)
43 Packing material

Claims (2)

A cylindrical container body provided with a dispensing cylinder at one end and a connecting member having a connecting cylinder at the other end, a sealing member for sealing the dispensing cylinder, and the connecting cylinder A plug member for sealing,
The connection member includes an annular top plate portion disposed so as to cover the opening surface on the other end side of the container main body, a mounting cylinder portion that is suspended from the outer peripheral edge of the annular top plate portion and is attached to the container main body, A fitting cylinder portion suspended from the back surface facing the inside of the container body in the annular top plate portion, and the connecting tube portion is provided at a central portion of the surface opposite to the back surface in the annular top plate portion. Projected coaxially with the annular top plate,
The stopper member is arranged in a ring-shaped fixing part fitted in the opening on the other end side of the container body, and is arranged on the radially inner side of the fixing part so as to be slidable from the inside of the container body in the connecting cylinder part. A plurality of inserted convex portions, and a connecting portion that connects the fixed portions and the inserted convex portions with a plurality of circumferentially spaced intervals between the fixed portions and the inserted convex portions,
An annular groove in which the fitting tube portion is fitted is formed on the surface of the fixing portion facing the outside of the container body, and the back surface of the annular top plate portion and the container body are formed on the outer peripheral surface of the fixing portion. A flange-like locking part sandwiched between the opening edge on the other end side is projected,
When the air injection means is inserted into the connection tube portion from the outside of the container body, the insertion projection portion is elastically deformed by the air injection means while the insertion projection portion is fixed to the fixed body and the connection tube portion. The inside of the container main body and the air injecting means are passed between the connecting tube portion and the insertion convex portion and between the connecting portions adjacent in the circumferential direction of the plug member. A sealed container characterized in that it is configured to communicate. The sealed container according to claim 1,
The sealing member includes a packing member in which a sheet material made of polyethylene terephthalate is disposed at least on a surface facing the inside of the container body, and the packing member is attached to the opening end surface of the extraction tube portion via the sheet material. A sealed container characterized by close contact.

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