JPH0716631Y2 - Seal structure for closures - Google Patents
Seal structure for closuresInfo
- Publication number
- JPH0716631Y2 JPH0716631Y2 JP1987179318U JP17931887U JPH0716631Y2 JP H0716631 Y2 JPH0716631 Y2 JP H0716631Y2 JP 1987179318 U JP1987179318 U JP 1987179318U JP 17931887 U JP17931887 U JP 17931887U JP H0716631 Y2 JPH0716631 Y2 JP H0716631Y2
- Authority
- JP
- Japan
- Prior art keywords
- packing member
- container
- lid
- shape
- packing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Closures For Containers (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、容器口部を塞ぐキャップや栓等の閉蓋具にお
いて、前記口部の密閉に寄与すべきシール構造に関す
る。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a sealing structure that should contribute to the sealing of the mouth of a closure such as a cap or a plug for closing the mouth of the container.
従来、容器口頸部に螺着されて口部を塞ぐキャップにお
いては、キャップの内面にコルクや発泡樹脂などで形成
されたパッキン部材が内装されてシール構造が形成され
ている。Conventionally, in a cap that is screwed to the neck of a container to close the mouth, a packing member made of cork, foamed resin, or the like is internally provided on the inner surface of the cap to form a seal structure.
〔考案が解決しようとする問題点〕 しかし、このような構造のものは、キャップの締め付け
力と、パッキン部材とが協同してシール性を高めるもの
であるため、キャップを強く締め付けない限りシール性
は向上しないものである。[Problems to be solved by the invention] However, in such a structure, since the tightening force of the cap and the packing member work together to enhance the sealing property, the sealing property is improved unless the cap is strongly tightened. Does not improve.
また、キャップ自体あるいはパッキンに製造上の寸法誤
差があったり、経時的変化によってパッキンにヘタリが
生じたりした場合にシール性が劣化することとなる。Further, if there is a manufacturing dimensional error in the cap itself or the packing, or if the packing becomes worn due to a change over time, the sealing performance will deteriorate.
本考案は、このような問題点に鑑みなされたもので、容
器口部を塞ぐ閉蓋具においてシール性を向上させること
を技術的課題とするものである。The present invention has been made in view of such problems, and an object thereof is to improve the sealing property in a lid that closes the container opening.
本考案は、前記技術的課題を解決するために、次のよう
な技術的手段をとった。The present invention takes the following technical means to solve the above technical problems.
すなわち、本考案は、容器口部１に閉蓋具２を螺着して
閉じる際、閉蓋具２と容器口部１との間にパッキン部材
３を介挿して前記容器口部１を密閉する閉蓋具２のシー
ル構造であり、前記パッキン部材３を形状記憶部材で形
成したものである。That is, according to the present invention, when the lid 2 is screwed to the container mouth 1 to close it, the packing member 3 is inserted between the lid 2 and the container mouth 1 to seal the container mouth 1. 2 is a sealing structure of the lid member 2 in which the packing member 3 is formed of a shape memory member.
そして、この形状記憶部材製のパッキン部材３は、所定
温度に昇温した時に元の形状に戻るよう設定され、か
つ、元の形状に戻ることにより、容器口部１の口縁に圧
接する形状に形成されている。The packing member 3 made of the shape memory member is set to return to the original shape when the temperature is raised to a predetermined temperature, and returns to the original shape so that the packing member 3 comes into pressure contact with the edge of the container mouth 1. Is formed in.
なお、ここで、圧接とはパッキン部材３が直接容器口部
１の口縁に圧接する場合、他のパッキン部材４を圧接す
る場合を含む概念である。Here, the pressure contact is a concept including a case where the packing member 3 is directly in pressure contact with the edge of the container mouth portion 1 and a case where another packing member 4 is in pressure contact.
また、前記形状記憶部材とは、形状記憶合金、形状記憶
樹脂等である。Further, the shape memory member is a shape memory alloy, a shape memory resin, or the like.
形状記憶部材製のパッキン部材３は、所定温度に昇温し
た時に元の形状に戻ろうとして、容器口部１の口縁に圧
接するため、容器口部１と閉蓋具２の間の隙間が塞が
れ、寸法誤差や閉蓋具２の緩みが多少あっても、これを
吸収し、シール性が向上する。Since the packing member 3 made of the shape memory member is pressed against the edge of the container mouth 1 in an attempt to return to the original shape when the temperature rises to a predetermined temperature, the gap between the container mouth 1 and the lid 2 is closed. Even if there is some dimensional error or looseness of the lid closure 2, it is absorbed and the sealing performance is improved.
以下、本考案の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.
〈実施例１〉 まず、第１図に示した第１実施例について説明する。Example 1 First, the first example shown in FIG. 1 will be described.
これは、容器口部１を形成する容器の口頸部1aに閉蓋具
２としてのキャップを螺着したもので、このキャップ２
は螺子筒部2aの上部を天板2bで塞いだものである。そし
て、この天板2bの内面中央に、突当て突起2cが突設され
ている。This is one in which a cap as a lid 2 is screwed onto the mouth neck portion 1a of the container forming the container mouth portion 1.
The upper part of the screw cylinder part 2a is closed by the top plate 2b. Then, the abutting protrusion 2c is provided at the center of the inner surface of the top plate 2b.
さらに、キャップ２内の奥の螺子筒部2a内面に環状突起
2dが突設され、天板2bの内面に沿って容器口部１の口縁
に当接すべき第１パッキン部材４が内装されていて、前
記環状突起2dでキャップ２内に係止されている。Further, an annular protrusion is formed on the inner surface of the screw cylinder portion 2a in the back of the cap 2.
2d is projectingly provided, and a first packing member 4 to be brought into contact with the edge of the container mouth portion 1 is installed along the inner surface of the top plate 2b, and is locked in the cap 2 by the annular projection 2d. There is.
この第１パッキン部材４は、天板2b側の上面周辺部に環
状立壁4aが立設され、容器口部１を塞ぐ下面周辺部に容
器口部１の口縁に当接する環状当接部4bが突設されてい
る。In this first packing member 4, an annular standing wall 4a is erected on the peripheral portion of the upper surface on the side of the top plate 2b, and an annular contact portion 4b that abuts the edge of the container opening portion 1 on the peripheral portion of the lower surface that closes the container opening portion 1. Is projected.
また、第１パッキン部材４と天板2bとの間には、形状記
憶合金からなる第２パッキン部材３が挾装されている。
この第２パッキン部材３は、第２図（Ａ）のように平面
形状が８方にアーム3aを放射延出した形状で、第２図
（Ｂ）のように所定温度で平たくなる平板状に形成され
ている。Further, a second packing member 3 made of a shape memory alloy is provided between the first packing member 4 and the top plate 2b.
The second packing member 3 has a planar shape in which the arms 3a are radially extended in eight directions as shown in FIG. 2 (A), and is flattened at a predetermined temperature as shown in FIG. 2 (B). Has been formed.
そして、第２パッキン部材３は、第１パッキン部材４と
天板2bとの間に挾装されたとき、中央が天板2bの突当て
突起2cで下方に押され、アーム3aの先端部が第１パッキ
ン部材４の環状立壁4aで上方におされて中央が下方に突
出した状態に保持されている。Then, when the second packing member 3 is mounted between the first packing member 4 and the top plate 2b, the center thereof is pushed downward by the abutting projection 2c of the top plate 2b, and the tip of the arm 3a is The first packing member 4 is held upward with the annular standing wall 4a and the center thereof is projected downward.
この状態でキャップ２が容器の口頸部1aに螺着される
と、第１パッキン部材４の環状当接部4bが容器口部１の
口縁に当接してシールする。この時、キャップ２や第１
パッキン部材４に寸法誤差があったり、螺子部にガタが
あっても、第１パッキン部材４と第２パッキン部材３の
弾性がこれを吸収する。In this state, when the cap 2 is screwed onto the mouth / neck portion 1a of the container, the annular abutting portion 4b of the first packing member 4 abuts on the edge of the container mouth portion 1 and seals. At this time, the cap 2 and the first
Even if there is a dimensional error in the packing member 4 or there is looseness in the screw portion, the elasticity of the first packing member 4 and the second packing member 3 absorbs this.
そして、所定温度に昇温した時には、形状記憶合金製の
第２パッキン部材３が元の平板状に戻ろうとするため、
第１パッキン部材４が第２パッキン部材３に下方へと押
され、環状当接部4bがさらに容器口部１の口縁に圧接さ
れる。従って、温度上昇があっても隙間が生じなくな
り、温度上昇によって容器内部が昇圧しても内容物が漏
れることはなく、揮発性成分を含んだ内容物に対しては
温度上昇による揮発を抑えることができる。さらに、第
１パッキン部材４に経時的変化によるヘタリを生じて
も、シール性が劣化することは無い。Then, when the temperature is raised to a predetermined temperature, the second packing member 3 made of the shape memory alloy tries to return to the original flat plate shape,
The first packing member 4 is pushed downward by the second packing member 3, and the annular contact portion 4b is further pressed against the rim of the container mouth 1. Therefore, even if the temperature rises, no gap is created, and even if the pressure inside the container increases due to the temperature rise, the contents will not leak, and the volatilization due to the temperature rise will be suppressed for the contents containing volatile components. You can Further, even if the first packing member 4 is settled due to a change with time, the sealing property does not deteriorate.
この形状記憶合金製の第２パッキン部材３が元の形状に
戻るための所定温度としては、通常その容器が置かれる
環境の温度（通常使用温度）、あるいは、それよりやや
高めの温度に設定すると良い。前者の場合、通常使用時
に最もシール性が高くなり、後者の場合、例えばシャン
プー容器等のように風呂場や夏の高温下など、周囲の温
度上昇がある場所で使用する容器の場合に好適である。As the predetermined temperature for the shape-memory alloy second packing member 3 to return to its original shape, the temperature of the environment in which the container is normally placed (normal operating temperature) or a temperature slightly higher than that is set. good. In the former case, the sealing property is the highest during normal use, and in the latter case, it is suitable for containers such as shampoo containers that are used in places where there is an increase in ambient temperature, such as in a bathroom or under high temperature in summer. is there.
〈実施例２〉 第２実施例は第３図（Ａ）（Ｂ）に示したように、第１
実施例における第１パッキン部材４として、平板形状が
円板形状のものを使用したものである。<Embodiment 2> In the second embodiment, as shown in FIGS.
As the first packing member 4 in the embodiment, a flat plate having a disk shape is used.
〈実施例３〉 これは、第５図（Ａ）（Ｂ）のように、所定温度で筒状
リングに復帰する第２パッキン部材３を用い、第４図の
ように、この第２パッキン部材３を内側に凸となるよう
に押し潰した状態で第１パッキン部材４と天板2bとの間
に挾装したものである。<Embodiment 3> As shown in FIGS. 5 (A) and 5 (B), a second packing member 3 that returns to a tubular ring at a predetermined temperature is used, and as shown in FIG. 3 is crushed so as to be convex inward, and is sandwiched between the first packing member 4 and the top plate 2b.
所定温度時に第２パッキン部材３が第１パッキン部材４
を容器口部１に押し付ける点で第１実施例と同様であ
る。At a predetermined temperature, the second packing member 3 becomes the first packing member 4
Is the same as the first embodiment in that is pressed against the container mouth 1.
〈実施例４〉 これは、第３実施例と同様に第５図（Ａ）（Ｂ）に示し
た第２パッキン部材３を用い、第６図のように、第２パ
ッキン部材３を外側に凸となるように押し潰した状態で
第１パッキン部材４と天板2bとの間に挾装したものであ
る。<Embodiment 4> This is the same as the third embodiment except that the second packing member 3 shown in FIGS. 5A and 5B is used and the second packing member 3 is placed outside as shown in FIG. It is sandwiched between the first packing member 4 and the top plate 2b in a crushed state so as to be convex.
〈第５実施例〉 なお、前記各実施例では、第１パッキン部材４を第２パ
ッキン部材３で容器口部１に押し付けてシールしている
が、第７図のように、形状記憶樹脂製のパッキン部材３
のみを設け、このパッキン部材３で直接容器口部１をシ
ールするようにしても良い。ただし、この場合は、パッ
キン部材３が、所定温度時に容器口部１の口縁に密着し
てシールする必要があるため、図のように所定温度で伸
張する蛇腹状にするなどの構造が必要である。<Fifth Embodiment> In each of the above embodiments, the first packing member 4 is pressed against the container mouth portion 1 by the second packing member 3 for sealing, but as shown in FIG. Packing member 3
Only the container may be provided, and the container member 1 may be directly sealed by the packing member 3. However, in this case, the packing member 3 needs to be in close contact with the rim of the container mouth portion 1 at a predetermined temperature for sealing, so that a structure such as a bellows shape that expands at a predetermined temperature is required as shown in the figure. Is.
〈その他の実施例〉 また、第３実施例や第４実施例において、第２パッキン
部材３を第１パッキン部材４と天板2bとの間に挾装する
際、第８図あるいは第９図のように、内側に突出するく
さび型あるいは外側に突出するくさび型に押し潰した形
状としてもよい。<Other Embodiments> In addition, in the third and fourth embodiments, when the second packing member 3 is sandwiched between the first packing member 4 and the top plate 2b, FIG. 8 or 9 is used. As described above, the shape may be a wedge shape protruding inward or a wedge shape protruding outward.
〔考案の効果〕 本考案によれば、形状記憶部材で形成したパッキン部材
３が所定温度時に容器口部１の口縁に圧接するため、シ
ール性が極めて良好となる。また、閉蓋具２やパッキン
部材３に寸法誤差や経時的劣化があってもその誤差や劣
化による隙間を吸収できる。[Advantage of the Invention] According to the present invention, the packing member 3 formed of the shape memory member is brought into pressure contact with the edge of the container opening 1 at a predetermined temperature, so that the sealing property becomes extremely good. Further, even if the lid 2 or the packing member 3 has a dimensional error or deterioration over time, the gap due to the error or deterioration can be absorbed.
第１図は本考案第１実施例を示す断面図、第２図（Ａ）
（Ｂ）はその第２パッキン部材の図であり、記憶してい
る元の形状を示す平面図及び正面図、第３図（Ａ）
（Ｂ）は第２実施例の第２パッキン部材の図であり、記
憶している元の形状を示す平面図及び正面図、第４図は
第３実施例を示す断面図、第５図（Ａ）（Ｂ）はその第
２パッキン部材の図であり、記憶している元の形状を示
す平面図及び正面図、第６図は第４実施例を示す断面
図、第７図は第５実施例を示す断面図、第８図及び第９
図はその他の実施例を示すパッキン部材の断面図であ
る。 １……容器口部、２……閉蓋具、３……パッキン部材。FIG. 1 is a sectional view showing a first embodiment of the present invention, and FIG. 2 (A).
(B) is the figure of the 2nd packing member, the top view and the front view which show the original shape which is remembered, Figure 3 (A)
(B) is a view of the second packing member of the second embodiment, and is a plan view and a front view showing the original shape that is stored, FIG. 4 is a sectional view showing the third embodiment, and FIG. (A) and (B) are views of the second packing member, and are a plan view and a front view showing the original stored shape, FIG. 6 is a sectional view showing a fourth embodiment, and FIG. 7 is a fifth view. Sectional views showing an embodiment, FIGS. 8 and 9
The drawing is a sectional view of a packing member showing another embodiment. 1 ... container mouth, 2 ... lid, 3 ... packing member.
Claims (3)
際、閉蓋具２と容器口部１との間にパッキン部材３を介
挿して前記容器口部１を密閉する閉蓋具２のシール構造
であり、前記パッキン部材３を形状記憶部材で形成し、
この形状記憶部材製のパッキン部材３は、所定温度に昇
温した時に元の形状に戻るよう設定され、かつ、元の形
状に戻ることにより、容器口部１の口縁に圧接する形状
に形成されていることを特徴とする閉蓋具におけるシー
ル構造。1. A container member 1 is hermetically closed by inserting a packing member 3 between the lid member 2 and the container opening portion 1 when the lid member 2 is screwed into the container opening portion 1 to be closed. It is a seal structure of the lid closure 2, the packing member 3 is formed of a shape memory member,
The packing member 3 made of the shape memory member is set so as to return to its original shape when the temperature is raised to a predetermined temperature, and by returning to the original shape, the packing member 3 is formed into a shape that is pressed against the edge of the container mouth 1. A seal structure in a lid, which is characterized by being provided.
パッキン部材３との間に介挿した他のパッキン部材４を
容器口部１の口縁に圧接するものであることを特徴とす
る実用新案登録請求の範囲第１項記載の閉蓋具における
シール構造。2. The packing member 3 is characterized in that another packing member 4 inserted between the container opening 1 and the packing member 3 is pressed against the edge of the container opening 1. A seal structure for a lid closure according to claim 1 of the utility model registration claim.
部１の口縁に圧接するものであることを特徴とする実用
新案登録請求の範囲第１項記載の閉蓋具におけるシール
構造。3. The sealing structure for a lid according to claim 1, wherein the packing member 3 itself is pressed against the edge of the container mouth 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179318U JPH0716631Y2 (en) | 1987-11-25 | 1987-11-25 | Seal structure for closures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179318U JPH0716631Y2 (en) | 1987-11-25 | 1987-11-25 | Seal structure for closures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0185258U JPH0185258U (en) | 1989-06-06 |
| JPH0716631Y2 true JPH0716631Y2 (en) | 1995-04-19 |
Family
ID=31470877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987179318U Expired - Lifetime JPH0716631Y2 (en) | 1987-11-25 | 1987-11-25 | Seal structure for closures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716631Y2 (en) |
-
1987
- 1987-11-25 JP JP1987179318U patent/JPH0716631Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0185258U (en) | 1989-06-06 |
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