JP6635325B1 - Sealed container - Google Patents
Sealed container Download PDFInfo
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- JP6635325B1 JP6635325B1 JP2019164992A JP2019164992A JP6635325B1 JP 6635325 B1 JP6635325 B1 JP 6635325B1 JP 2019164992 A JP2019164992 A JP 2019164992A JP 2019164992 A JP2019164992 A JP 2019164992A JP 6635325 B1 JP6635325 B1 JP 6635325B1
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- sealed container
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- 230000002093 peripheral effect Effects 0.000 claims description 8
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 13
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000012856 packing Methods 0.000 description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Abstract
【課題】密封性を向上し、かつ、密封性を持続することができる密封容器を提供する。【解決手段】固定用ねじ30を締め付けることにより、蓋10のスカート部13の傾斜面である下端面13aは、容器本体20の当接部25の傾斜面である上面25aから内側に向かう斜め上向きの力F1を受け、容器本体20の当接部25の傾斜面である上面25aは、蓋10のスカート部13の傾斜面である下端面13aから外側に向かう斜め下向きの力F2を受ける。力F1は内向きの分力を含んでいるために、スカート部13は内側に力を受け内側に弾性変形し、力F2は外向きの分力を含んでいるために、当接部25が設けられた側壁部22の上部は外側に力を受け外側に弾性変形する。側壁部22の上部の外面22aに設けられた鍔状の突状部24がスカート部13の内面13bに圧接され弾性変形し密着された状態で、蓋10が容器本体20に固定される。【選択図】図2An object of the present invention is to provide a hermetically sealed container capable of improving hermeticity and maintaining hermeticity. When a fixing screw is tightened, a lower end surface of the skirt portion of the lid is inclined obliquely upward from an upper surface of the contact portion of the container body toward the inside. The upper surface 25a, which is the inclined surface of the contact portion 25 of the container body 20, receives an obliquely downward force F2 directed outward from the lower end surface 13a, which is the inclined surface of the skirt portion 13 of the lid 10. Since the force F1 includes an inward component, the skirt portion 13 receives an inward force and is elastically deformed inward, and the force F2 includes an outward component. The upper portion of the provided side wall portion 22 receives an external force and is elastically deformed outward. The lid 10 is fixed to the container body 20 in a state where the flange-shaped protrusion 24 provided on the upper outer surface 22a of the side wall portion 22 is pressed against the inner surface 13b of the skirt portion 13 and elastically deformed and adhered thereto. [Selection diagram] FIG.
Description
本発明は、収容物を密封状態で収容する密封容器に関する。 The present invention relates to a hermetically sealed container that accommodates contained items in a sealed state.
例えば半導体部品、食品等の物品を収容するのに密封容器が用いられることがある。密封容器に収容物を収容することにより、密封性が十分であれば、防水、防塵効果等を得ることができる。 For example, a sealed container may be used to store articles such as semiconductor components and food. By housing the contents in a sealed container, if the sealing property is sufficient, a waterproof and dustproof effect can be obtained.
密封容器の一例として、鍔部が外周面に周設された軟質材からなる環状のパッキン材を蓋体の下面に固着して、このパッキン材を容器本体の開口部に嵌合して蓋体を容器本体に装着する密封容器が特許文献1に開示されている。蓋体を容器本体に装着すると、パッキン材に周設された鍔部が容器本体の開口内壁に密着し、これにより密封状態を実現することを目的とする密封容器である。 As an example of a sealed container, an annular packing material made of a soft material having a flange portion provided on the outer peripheral surface is fixed to the lower surface of the lid, and the packing material is fitted into the opening of the container body to cover the lid. Patent Literature 1 discloses a sealed container in which is mounted on a container body. When the lid is attached to the container main body, the flange provided around the packing material is in close contact with the inner wall of the opening of the container main body, thereby achieving a sealed state.
しかしながら、上述した密封容器では、鍔部と容器本体の開口内壁との密着状態を保ち続けることが難しく、十分な密封性を得ることができないという問題があった。また、上述した密封容器では、パッキン材にゴム材料が用いられるために経年劣化により密封性が低下してしまうという問題があった。 However, the above-described sealed container has a problem that it is difficult to maintain the close contact between the flange portion and the inner wall of the opening of the container body, and it is not possible to obtain a sufficient sealing property. Further, in the above-mentioned sealed container, there is a problem that the sealing property is deteriorated due to aging deterioration because a rubber material is used for the packing material.
本発明は、上記実情に鑑みてなされたものであり、密封性を向上し、かつ、密封性を持続することができる密封容器を提供することを目的とする。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sealed container that can improve the sealing property and maintain the sealing property.
上記目的を達成するため、本発明の本発明の第1の観点に係る密封容器は、
蓋と、該蓋が装着され開口が閉塞される容器本体とを備え、ねじにより前記蓋が前記容器本体に固定される密封容器であって、
前記蓋は、天板部と、該天板部の周縁から垂下して設けられた側壁部と、該側壁部の外側下方に設けられるとともに下端面が外側に向かって上方に傾斜する傾斜面であるスカート部とを有し、
前記容器本体は、底板部と、該底板部の周縁に立設された側壁部と、該側壁部の外面に周設されるとともに前記スカート部の内面に圧接する鍔状の突状部と、該突状部の下方に周設されるとともに上面が外側に向かって上方に傾斜する傾斜面であり、該上面に前記スカート部の下端面が当接される鍔状の当接部とを有することを特徴とする。
In order to achieve the above object, a sealed container according to a first aspect of the present invention,
A sealed container comprising a lid and a container body to which the lid is attached and the opening is closed, wherein the lid is fixed to the container body by screws,
The lid includes a top plate portion, a side wall portion hanging down from a peripheral edge of the top plate portion, and an inclined surface that is provided below the outside of the side wall portion and whose lower end surface is inclined upward toward the outside. With a certain skirt part,
The container body, a bottom plate portion, a side wall portion erected on the peripheral edge of the bottom plate portion, a flange-shaped protrusion formed around the outer surface of the side wall portion and pressed against the inner surface of the skirt portion, An inclined surface which is provided below the projecting portion and whose upper surface is inclined upward toward the outside, and has a flange-shaped contact portion with which the lower end surface of the skirt portion is in contact with the upper surface; It is characterized by the following.
前記スカート部の内面に周設されるとともに前記容器本体の側壁部の外面に圧接する鍔状の突起部を周設するようにしてもよい。 A flange-shaped projection may be provided around the inner surface of the skirt portion and pressed against the outer surface of the side wall of the container body.
内周面に雌ねじ部が形成され、該雌ねじ部に前記ねじが螺合するねじ螺合部が、前記天板部の下面に垂設、または、前記底板部の上面に立設されるようにしてもよい。 A female screw portion is formed on the inner peripheral surface, and a screw screw portion to which the screw is screwed to the female screw portion is provided vertically on the lower surface of the top plate portion or upright on the upper surface of the bottom plate portion. You may.
前記蓋及び前記容器本体は、合成樹脂製であるようにしてもよい。 The lid and the container body may be made of a synthetic resin.
前記容器本体の突状部は複数設けられるようにしてもよい。 A plurality of projecting portions of the container body may be provided.
本発明によれば、密封性を向上し、かつ、密封性を持続することができる密封容器を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the sealed container which can improve a sealing property and can maintain a sealing property can be provided.
本発明の実施の形態に係る密封容器について、以下図面を参照して説明する。 Hereinafter, a sealed container according to an embodiment of the present invention will be described with reference to the drawings.
(第1の実施形態)
第1の実施形態に係る密封容器について、図1及び図2を参照して説明する。なお、図1(B)において、密封容器1に収容する収容物は省略する。密封容器1は、蓋10と、蓋10が装着される容器本体20とを備え、固定用ねじ30により蓋10は容器本体20に固定される。蓋10および容器本体20は、例えばポリカーボネート樹脂、ABS樹脂(アクリロニトリル−ブタジエン−スチレン共重合体樹脂)等の合成樹脂で形成されている。
(First embodiment)
The sealed container according to the first embodiment will be described with reference to FIGS. In FIG. 1 (B), the contents to be stored in the sealed container 1 are omitted. The sealed container 1 includes a lid 10 and a container body 20 to which the lid 10 is attached. The lid 10 is fixed to the container body 20 by fixing screws 30. The lid 10 and the container body 20 are formed of a synthetic resin such as a polycarbonate resin and an ABS resin (acrylonitrile-butadiene-styrene copolymer resin).
蓋10は、図1(A)に示すように、平面視において角部が丸みを帯びた略矩形状である。蓋10は、天板部11と、天板部11の周縁から垂下して設けられた側壁部12と、側壁部12に連続して側壁部12の外側下方に設けられたスカート部13と、天板部11の下面の四隅に垂設されたねじ螺合部14と、蓋10の反りを防止するためのリブ15とを有している。 As shown in FIG. 1A, the lid 10 has a substantially rectangular shape with rounded corners in plan view. The lid 10 includes a top plate portion 11, a side wall portion 12 hanging down from the periphery of the top plate portion 11, a skirt portion 13 provided below the outside of the side wall portion 12 continuously to the side wall portion 12, A screw threaded portion 14 is provided at four corners on the lower surface of the top plate portion 11 and a rib 15 for preventing the cover 10 from warping.
スカート部13の下端面13aは、外側に向かって上方に傾斜する傾斜面に形成されている。スカート部13の下端面13aは、後述する容器本体20の当接部25の傾斜面に形成された上面25aに当接される。ねじ螺合部14には固定用ねじ30が螺合される。ねじ螺合部14は円筒状であり、内周面に雌ねじ部14aが形成されている。 The lower end surface 13a of the skirt portion 13 is formed as an inclined surface which is inclined upward and outward. The lower end surface 13a of the skirt portion 13 is in contact with an upper surface 25a formed on an inclined surface of a contact portion 25 of the container body 20 described later. A fixing screw 30 is screwed into the screw screw portion 14. The screw threaded portion 14 is cylindrical, and has a female threaded portion 14a formed on the inner peripheral surface.
容器本体20は、図1(C)に示すように、平面視において角部が丸みを帯びた略矩形状であり、底板部21と、底板部21の周縁に立設された側壁部22と、開口部23と、側壁部22の外面22aの上部に周設された複数の鍔状の突状部24と、突状部24の下方に周設され、蓋10のスカート部13の下端面13aが当接される鍔状の当接部25と、底板部21の四隅に設けられ、固定用ねじ30の頭部が挿入されるねじ頭部挿入凹部26とを有している。 As shown in FIG. 1 (C), the container body 20 has a substantially rectangular shape with rounded corners in plan view, a bottom plate 21, and a side wall 22 erected on the periphery of the bottom plate 21. , An opening 23, a plurality of flange-shaped protrusions 24 provided above the outer surface 22 a of the side wall 22, and a lower end surface of the skirt portion 13 of the lid 10, which is provided below the protrusions 24. It has a flange-shaped abutting portion 25 to which a 13 a is abutted, and a screw head insertion concave portion 26 provided at each of the four corners of the bottom plate portion 21 and into which the head of the fixing screw 30 is inserted.
鍔状の突状部24は、蓋10のスカート部13の内面13bに密着することにより、密封容器1の密封状態を保ち続ける。当接部25は断面舌状に形成されており、蓋10のスカート部13の傾斜面に形成された下端面13aが当接されるように、上面25aが外側に向かって上方に傾斜する傾斜面に形成されている。ねじ頭部挿入凹部26は、蓋10に向かって上方に凹むように底板部21に形成されており、ねじ頭部挿入凹部26の底部には固定用ねじ30の雄ねじ部が挿入される貫通孔26aが形成されている。 The flange-shaped protruding portion 24 keeps the hermetically sealed state of the sealed container 1 by being in close contact with the inner surface 13 b of the skirt portion 13 of the lid 10. The contact portion 25 is formed in a tongue shape in cross section, and the upper surface 25a is inclined upward and outward so that the lower end surface 13a formed on the inclined surface of the skirt portion 13 of the lid 10 is contacted. Formed on the surface. The screw head insertion recess 26 is formed in the bottom plate portion 21 so as to be recessed upward toward the lid 10, and a through hole into which the male screw portion of the fixing screw 30 is inserted is formed at the bottom of the screw head insertion recess 26. 26a are formed.
蓋10を容器本体20に装着し、蓋10を容器本体20に固定するには、まず、容器本体10に図示しない収容物を収容した後、蓋10のスカート部13の傾斜面である下端面13aを容器本体20の当接部25の傾斜面である上面25aに当接させて、蓋10で容器本体20の開口部23を閉塞する。 In order to attach the lid 10 to the container main body 20 and fix the lid 10 to the container main body 20, first, a container (not shown) is stored in the container main body 10, and then the lower end surface which is the inclined surface of the skirt portion 13 of the lid 10. 13 a is brought into contact with an upper surface 25 a which is an inclined surface of the contact portion 25 of the container body 20, and the opening 23 of the container body 20 is closed with the lid 10.
次に、固定用ねじ30をねじ頭部挿入凹部26から挿入し、ねじ螺合部14の雌ねじ部14aに螺合する。固定用ねじ30を締め付けることにより、図2(B)に示すように、蓋10のスカート部13の傾斜面である下端面13aは、容器本体20の当接部25の傾斜面である上面25aから内側に向かう斜め上向きの力F1を受け、容器本体20の当接部25の傾斜面である上面25aは、蓋10のスカート部13の傾斜面である下端面13aから力F1と逆向きに同じ大きさの外側に向かう斜め下向きの力F2を受ける。力F1は内向きの分力を含んでいるために、スカート部13は内側に力を受け内側に弾性変形し、力F2は外向きの分力を含んでいるために、当接部25が設けられた側壁部22の上部は外側に力を受け外側に弾性変形する。これにより側壁部22の上部の外面22aに設けられた鍔状の突状部24がスカート部13の内面13bに圧接され弾性変形し密着された状態で、蓋10が容器本体20に固定される。なお、固定用ねじ30とねじ螺合部14の雌ねじ部14aとの螺合を解除することにより、蓋10を容器本体20から容易に外すことができる。 Next, the fixing screw 30 is inserted from the screw head insertion concave portion 26 and screwed into the female screw portion 14 a of the screw screw portion 14. By tightening the fixing screw 30, as shown in FIG. 2 (B), the lower end surface 13a which is the inclined surface of the skirt portion 13 of the lid 10 becomes the upper surface 25a which is the inclined surface of the contact portion 25 of the container body 20. The upper surface 25a, which is the inclined surface of the contact portion 25 of the container body 20, receives the obliquely upward force F1 inward from the container body 20, and the upper surface 25a, which is the inclined surface of the skirt portion 13 of the lid 10, reverses the force F1. It receives a diagonally downward force F2 directed outwards of the same magnitude. Since the force F1 includes an inward component, the skirt portion 13 receives an inward force and is elastically deformed inward, and the force F2 includes an outward component. The upper portion of the provided side wall portion 22 receives an external force and elastically deforms outward. As a result, the lid 10 is fixed to the container body 20 in a state where the flange-shaped protrusion 24 provided on the upper outer surface 22a of the side wall portion 22 is pressed against the inner surface 13b of the skirt portion 13 and elastically deformed and adhered thereto. . By releasing the screw between the fixing screw 30 and the female screw portion 14a of the screw screw portion 14, the lid 10 can be easily removed from the container body 20.
このように本実施の形態の密封容器では、スカート部13の下端面13a、及び、この下端面13aが当接する容器本体20の当接部25の上面25aを外側に向かって上方に傾斜する傾斜面に形成し、固定用ねじ30を締め付けると、スカート部13は内側に力を受け内側に弾性変形し、当接部25が設けられた側壁部22の上部は外側に力を受け外側に弾性変形するようにしたので、側壁部22に設けられた鍔状の突状部24がスカート部13の内面13bに密着された状態を保ち続けることが可能になり、十分な密封性を得ることができる。 As described above, in the sealed container of the present embodiment, the lower end surface 13a of the skirt portion 13 and the upper surface 25a of the contact portion 25 of the container body 20 with which the lower end surface 13a abuts are inclined upward and outward. When the fixing screw 30 is tightened, the skirt portion 13 receives an inward force and is elastically deformed inward, and the upper portion of the side wall portion 22 provided with the contact portion 25 receives an outward force and is elastically outward. Since it is deformed, it is possible to keep the state in which the flange-shaped protruding portion 24 provided on the side wall portion 22 is in close contact with the inner surface 13b of the skirt portion 13, and it is possible to obtain sufficient sealing performance. it can.
また、本実施の形態の密封容器では、密封容器自体の構造により密封性を向上することができるようにしたので、経年劣化の問題があるパッキン材、接着剤等を別途用いる必要がなくなり、密封性を持続することができる。また、部品数を少なくすることができ、製造コストを低減することができる。 Further, in the sealed container of the present embodiment, since the sealing property can be improved by the structure of the sealed container itself, there is no need to separately use a packing material, an adhesive or the like which has a problem of aging deterioration, and Sex can be maintained. Further, the number of parts can be reduced, and the manufacturing cost can be reduced.
(第2の実施形態)
第2の実施形態に係る密封容器について、主に図3を参照して説明する。なお、第2の実施の形態においては、第1の実施形態に係る密封容器と同様な構成要素には同一の符号を付してその説明を基本的には省略し、第1の実施形態と異なる点について主に説明する。
(Second embodiment)
A sealed container according to the second embodiment will be described mainly with reference to FIG. In the second embodiment, the same components as those in the sealed container according to the first embodiment are denoted by the same reference numerals, and description thereof is basically omitted. The different points will be mainly described.
第2の実施形態の密封容器1Bは、蓋10のスカート部13の内面13bに複数の鍔状の突起部16が周設されている。鍔状の突起部16は、容器本体20の側壁部22の上部の外面22aに密着することにより、密封容器1の密封状態を保ち続ける。 In the sealed container 1B of the second embodiment, a plurality of flange-shaped protrusions 16 are provided around the inner surface 13b of the skirt 13 of the lid 10. The flange-shaped protrusion 16 keeps the hermetically sealed state of the sealed container 1 by being in close contact with the upper outer surface 22 a of the side wall 22 of the container body 20.
密封容器1Bでは、固定用ねじ30を締め付けることにより、図3に示すように、蓋10のスカート部13に設けられた鍔状の突起部16が側壁部22に設けられた鍔状の突状部24を下方向に乗り越える。また、図3(B)に示すように、蓋10のスカート部13の傾斜面である下端面13aは、容器本体20の当接部25の傾斜面である上面25aから内側に向かう斜め上向きの力F3を受け、容器本体20の当接部25の傾斜面である上面25aは、蓋10のスカート部13の傾斜面である下端面13aから力F3と逆向きに同じ大きさの外側に向かう斜め下向きの力F4を受ける。力F3は内向きの分力を含んでいるために、スカート部13は内側に力を受け内側に弾性変形し、力F4は外向きの分力を含んでいるために、当接部25が設けられた側壁部22の上部は外側に力を受け外側に弾性変形する。これにより側壁部22の上部の外面22aに設けられた鍔状の突状部24がスカート部13の内面13bに圧接され弾性変形し密着され、かつ、スカート部13の内面13bに設けられた鍔状の突起部16が側壁部22の上部の外面22aに圧接され弾性変形し密着された状態で、蓋10が容器本体20に固定される。 In the sealed container 1 </ b> B, by tightening the fixing screw 30, as shown in FIG. 3, the flange-shaped protrusion 16 provided on the skirt portion 13 of the lid 10 has a flange-shaped protrusion provided on the side wall 22. Get over part 24 in the downward direction. Further, as shown in FIG. 3B, the lower end surface 13a which is the inclined surface of the skirt portion 13 of the lid 10 is inclined obliquely upward toward the inside from the upper surface 25a which is the inclined surface of the contact portion 25 of the container body 20. Upon receiving the force F3, the upper surface 25a, which is the inclined surface of the contact portion 25 of the container body 20, goes outward from the lower end surface 13a, which is the inclined surface of the skirt portion 13 of the lid 10, of the same size in a direction opposite to the force F3. It receives a diagonally downward force F4. Since the force F3 includes an inward component, the skirt portion 13 receives an inward force and is elastically deformed inward, and the force F4 includes an outward component. The upper portion of the provided side wall portion 22 receives an external force and elastically deforms outward. As a result, the flange-shaped protrusion 24 provided on the upper outer surface 22a of the side wall 22 is pressed against the inner surface 13b of the skirt portion 13 to be elastically deformed and adhered thereto, and the flange provided on the inner surface 13b of the skirt portion 13 The lid 10 is fixed to the container main body 20 in a state where the protruding portion 16 is pressed against the outer surface 22 a on the upper portion of the side wall portion 22 and is elastically deformed and closely attached.
このように本実施の形態の密封容器では、側壁部22の外面22aに設けられた鍔状の突状部24に加えて、スカート部13の内面13bにも鍔状の突起部16を設けて、側壁部22の外面22aに圧接され弾性変形し密着された状態になるようにしたので、密封容器1Bの密封性をより向上させることができる。 As described above, in the sealed container according to the present embodiment, in addition to the flange-shaped protrusion 24 provided on the outer surface 22 a of the side wall 22, the flange-shaped protrusion 16 is provided on the inner surface 13 b of the skirt 13. Since the pressure is brought into pressure contact with the outer surface 22a of the side wall portion 22 so as to be elastically deformed and brought into close contact, the sealing performance of the sealed container 1B can be further improved.
(第3の実施形態)
第3の実施形態に係る密封容器について、主に図4を参照して説明する。なお、第3の実施の形態においては、第1の実施形態に係る密封容器と同様な構成要素には同一の符号を付してその説明を基本的には省略し、第1の実施形態と異なる点について主に説明する。
(Third embodiment)
A sealed container according to the third embodiment will be described mainly with reference to FIG. In the third embodiment, the same components as those in the sealed container according to the first embodiment are denoted by the same reference numerals, and description thereof is basically omitted. The different points will be mainly described.
第3の実施形態の密封容器1Cは、図4に示すように、蓋10の側壁部12の下端面12aが外側に向かって上方に傾斜する傾斜面に形成されており、容器本体20の側壁部22の上端面22bが外側に向かって上方に傾斜する傾斜面に形成されている。なお、当接部25の上面251aは平面状に形成され、スカート部13の下端面131aは平面状に形成されている。 As shown in FIG. 4, the sealed container 1 </ b> C of the third embodiment has a lower end surface 12 a of a side wall portion 12 of a lid 10 formed on an inclined surface that is inclined upward and outward. The upper end surface 22b of the portion 22 is formed on an inclined surface that is inclined upward and outward. The upper surface 251a of the contact portion 25 is formed in a flat shape, and the lower end surface 131a of the skirt portion 13 is formed in a flat shape.
密封容器1Cの蓋10を容器本体20に装着し、蓋10を容器本体20に固定するには、まず、容器本体10に図示しない収容物を収容した後、蓋10のスカート部13の下端面131aを容器本体20の当接部25の上面251aに当接させるとともに、蓋10の側壁部12の傾斜面である下端面12aを容器本体20の側壁部22の傾斜面である上端面22bに当接させて、蓋10で容器本体20の開口部23を閉塞する。 In order to attach the lid 10 of the sealed container 1C to the container main body 20 and fix the lid 10 to the container main body 20, first, a container (not shown) is stored in the container main body 10, and then the lower end surface of the skirt portion 13 of the lid 10 131a is brought into contact with the upper surface 251a of the contact portion 25 of the container body 20, and the lower end surface 12a which is the inclined surface of the side wall portion 12 of the lid 10 is connected to the upper end surface 22b which is the inclined surface of the side wall portion 22 of the container main body 20. Then, the opening 23 of the container body 20 is closed by the lid 10.
次に、固定用ねじ30を締め付けることにより、図4(B)に示すように、蓋10の側壁部12の傾斜面である下端面12aは、容器本体20の側壁部22の傾斜面である上端面22bから内側に向かう斜め上向きの力F5を受け、容器本体20の側壁部22の傾斜面である上端面22bは、蓋10の側壁部12の傾斜面である下端面12aから力F5と逆向きに同じ大きさの外側に向かう斜め下向きの力F6を受ける。力F5は内向きの分力を含んでいるために、側壁部12に連続して設けられたスカート部13は内側に力を受け内側に弾性変形し、力F6は外向きの分力を含んでいるために、側壁部22は外側に力を受け外側に弾性変形する。これにより側壁部22の上部の外面22aに設けられた鍔状の突状部24がスカート部13の内面13bに圧接され弾性変形し密着された状態で、蓋10が容器本体20に固定される。 Next, by tightening the fixing screw 30, the lower end surface 12a, which is the inclined surface of the side wall portion 12 of the lid 10, is the inclined surface of the side wall portion 22 of the container body 20, as shown in FIG. Upon receiving an obliquely upward force F5 directed inward from the upper end surface 22b, the upper end surface 22b, which is the inclined surface of the side wall portion 22 of the container main body 20, receives the force F5 from the lower end surface 12a, which is the inclined surface of the side wall portion 12 of the lid 10. It receives a diagonally downward force F6 directed in the opposite direction to the outside of the same magnitude. Since the force F5 includes an inward component, the skirt portion 13 provided continuously to the side wall portion 12 receives a force inward and elastically deforms inward, and the force F6 includes an outward component. Therefore, the side wall portion 22 receives an external force and elastically deforms outward. As a result, the lid 10 is fixed to the container body 20 in a state where the flange-shaped projection 24 provided on the outer surface 22a at the upper part of the side wall 22 is pressed against the inner surface 13b of the skirt portion 13 and is elastically deformed and closely attached. .
このように本実施の形態の密封容器では、蓋10の側壁部12の下端面12a、及び、この下端面12aが当接する容器本体20の側壁部22の上端面25bを外側に向かって上方に傾斜する傾斜面に形成し、固定用ねじ30を締め付けると、蓋10の側壁部12に連続して設けられたスカート部13は内側に力を受け内側に弾性変形し、容器本体20の側壁部22は外側に力を受け外側に弾性変形するようにしたので、第1の実施形態と同様に、容器本体20の側壁部22に設けられた鍔状の突状部24がスカート部13の内面13bに密着された状態を保ち続けることが可能になり、十分な密封性を得ることができる。 As described above, in the sealed container of the present embodiment, the lower end surface 12a of the side wall portion 12 of the lid 10 and the upper end surface 25b of the side wall portion 22 of the container body 20 with which the lower end surface 12a abuts are directed upward and outward. When the fixing screw 30 is tightened and formed on an inclined surface, the skirt portion 13 provided continuously to the side wall portion 12 of the lid 10 receives an inward force and is elastically deformed inward. 22 receives an external force and is elastically deformed outward, so that the flange-shaped protrusion 24 provided on the side wall 22 of the container body 20 is formed on the inner surface of the skirt 13 similarly to the first embodiment. 13b can be kept in close contact, and sufficient sealing performance can be obtained.
以上、実施の形態を挙げて本発明を説明したが、本発明は上記各実施形態に限定されるものではなく、種々変形が可能である。例えば、上記各実施形態においては、密封容器が側壁部22の外面22aに周設された2つの鍔状の突状部24を有する例について説明したが、1つの鍔状の突状部24を十分な密封性を得ることができ、また、3つ以上の鍔状の突状部24を有するようにすれば、密封性をより向上させることができる。また、上記第2の実施形態における密封容器1Bが有するスカート部13の内面13bに設けられた鍔状の突起部16についても、同様に、1つであっても3つ以上であってもよい。 As described above, the present invention has been described with reference to the embodiments. However, the present invention is not limited to the above embodiments, and various modifications are possible. For example, in each of the above embodiments, an example in which the sealed container has two flange-shaped protrusions 24 provided around the outer surface 22a of the side wall 22 has been described. Sufficient sealing performance can be obtained, and if three or more flange-shaped protrusions 24 are provided, the sealing performance can be further improved. Similarly, the number of the flange-shaped protrusions 16 provided on the inner surface 13b of the skirt portion 13 of the sealed container 1B in the second embodiment may be one or three or more. .
また、上記各実施形態においては、蓋10及び容器本体20が平面視において角部が丸みを帯びた略矩形状である例について説明したが、蓋10及び容器本体20はこの形状に限定されず例えば平面視において円形状であっても本発明を適用することは可能である。 Further, in each of the above-described embodiments, an example in which the lid 10 and the container main body 20 have a substantially rectangular shape with rounded corners in plan view has been described, but the lid 10 and the container main body 20 are not limited to this shape. For example, the present invention can be applied to a circular shape in plan view.
また、上記各実施形態においては、ねじ螺合部14を蓋10の天板部11の下面に垂設する例について説明したが、ねじ螺合部14は容器本体20の底板部21の上面に立設するようにしてもよい。また、この場合には、ねじ頭部挿入凹部26を蓋10の天板部11に下方に凹むように形成してもよい。また、ねじ頭部挿入凹部26は設けずに、容器本体20の底板部21または蓋10の天板部11に固定用ねじ30の雄ねじ部が挿入される貫通孔を形成するようにしてもよい。 Further, in each of the above-described embodiments, the example in which the screw threaded portion 14 is vertically provided on the lower surface of the top plate portion 11 of the lid 10 has been described, but the screw threaded portion 14 is provided on the upper surface of the bottom plate portion 21 of the container body 20. You may make it erect. In this case, the screw head insertion concave portion 26 may be formed so as to be recessed downward in the top plate portion 11 of the lid 10. Further, without providing the screw head insertion concave portion 26, a through hole into which the male screw portion of the fixing screw 30 is inserted may be formed in the bottom plate portion 21 of the container body 20 or the top plate portion 11 of the lid 10. .
また、上記第2の実施形態においては、第1の実施形態のようにスカート部13の下端面13a及び容器本体20の当接部25の上面25aが傾斜面である場合に、蓋10のスカート部13の内面13bに複数の鍔状の突起部16が周設された例について説明したが、第3の実施形態のように、蓋10の側壁部12の下端面12a及び容器本体20の側壁部22の上端面22bが傾斜面である場合に、鍔状の突起部16が周設されるようにしてもよい。 In the second embodiment, when the lower end surface 13a of the skirt portion 13 and the upper surface 25a of the contact portion 25 of the container body 20 are inclined surfaces as in the first embodiment, the skirt The example in which the plurality of flange-shaped protrusions 16 are provided around the inner surface 13b of the portion 13 has been described. However, as in the third embodiment, the lower end surface 12a of the side wall 12 of the lid 10 and the side wall of the container body 20 are provided. When the upper end surface 22b of the portion 22 is an inclined surface, the flange-shaped protrusion 16 may be provided around.
1, 1B,1C 密封容器
10 蓋
11 天板部
12 側壁部
12a 下端面
13 スカート部
13a,131a 下端面
13b 内面
14 ねじ螺合部
14a 雌ねじ部
16 突起部
20 容器本体
21 底板部
22 側壁部
23 開口部
24 突状部
25 当接部
25a,251a 上面
26 ねじ頭部挿入凹部
30 固定用ねじ
1, 1B, 1C Sealed container 10 Cover 11 Top plate portion 12 Side wall portion 12a Lower end surface 13 Skirt portion 13a, 131a Lower end surface 13b Inner surface 14 Screw threaded portion 14a Female screw portion 16 Projection portion 20 Container body 21 Bottom plate portion 22 Side wall portion 23 Opening 24 Projecting part 25 Contact part 25a, 251a Upper surface 26 Screw head insertion recess 30 Fixing screw
Claims (5)
前記蓋は、天板部と、該天板部の周縁から垂下して設けられた側壁部と、該側壁部の外側下方に設けられるとともに下端面が外側に向かって上方に傾斜する傾斜面であるスカート部とを有し、
前記容器本体は、底板部と、該底板部の周縁に立設された側壁部と、該側壁部の外面に周設されるとともに前記スカート部の内面に圧接する鍔状の突状部と、該突状部の下方に周設されるとともに上面が外側に向かって上方に傾斜する傾斜面であり、該上面に前記スカート部の下端面が当接される鍔状の当接部とを有することを特徴とする密封容器。 A sealed container comprising a lid and a container body to which the lid is attached and the opening is closed, wherein the lid is fixed to the container body by screws,
The lid includes a top plate portion, a side wall portion hanging down from a peripheral edge of the top plate portion, and an inclined surface that is provided below the outside of the side wall portion and whose lower end surface is inclined upward toward the outside. With a certain skirt part,
The container body, a bottom plate portion, a side wall portion erected on the peripheral edge of the bottom plate portion, a flange-shaped protrusion formed around the outer surface of the side wall portion and pressed against the inner surface of the skirt portion, An inclined surface which is provided below the projecting portion and whose upper surface is inclined upward toward the outside, and has a flange-shaped contact portion with which the lower end surface of the skirt portion is in contact with the upper surface; A sealed container characterized by the above-mentioned.
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