TWI799175B - Cover structure - Google Patents

Abstract

A cover structure, when a sealing ring part of a cover is combined with a container, a sealing section of the sealing ring part is first abutted against an inner wall ring surface of the container, and then a folding section of the sealing ring part is concave to the sealing state, so that part of the folding section is attached to an outer wall ring surface of the container to form a two-way sealing anti-leakage structure, since the folding section is an elastic circular full-rim tight structure, it can strengthen the sealing between the container and the cover, and form a good sealing effect to prevent the liquid splashing wet clothes, bags or surrounding objects in the container, in use, the cover can be separated from the container only by indenting the folding section to a release state, so that it can be easily carried out for external use.

Description

Cover structure

The present invention relates to a cover structure, in particular to a cover structure that can be tightly engaged with a container.

Please refer to U.S. Patent (US 9782029B1) about a cover and a method of using the cover, which mainly discloses a main body with a top surface, a bottom surface and a periphery. The two positions are moved to cover the opening of the container through the sealing member. Also refer to the United States Patent (US4376493A) about a lockable closure of a container, which mainly discloses a lid with a ring-shaped lip, and the lid is provided with a shoulder for abutting against the position of the ring-shaped lip, so that the lid is not easy to close. Remove from container.

However, the lids disclosed above are all made of soft materials as a whole, but the lids made entirely of soft materials are easy to deform arbitrarily, especially when moving with a container covered with a lid, the soft lid is easily deformed due to collisions during the moving process , so that the seal between the lid and the container cannot be completely sealed and the internal liquid can leak.

Therefore, how to solve the above-mentioned problems and deficiencies is the direction that the creators of the present invention and related professionals engaged in this direction want to study and improve.

The object of the present invention is to provide a cover structure, which can mainly be tightly fitted and engaged with the container to form multiple tight fits.

The reason is that, in order to achieve the aforementioned purpose, according to the present invention, a cover structure is provided, which is suitable for use in a container, the container has an inner wall annulus, and an outer wall annulus opposite to the inner wall annulus, the cover structure Include:

A cover, which is closed on the container, the peripheral ring of the cover is provided with a sealing ring part which can tightly fit and combine with the top edge of the container, and a hard ring part arranged on the sealing ring part, the sealing ring part It is elastically arranged around the periphery of the opening of the container, and has a sealing section made of soft material that can be against the ring surface of the inner wall, and a turning section connected to the sealing section, and the turning section can be in a Switch between a sealed state and a released state. The hard ring is made of hard material and has a hard abutting surface against the sealing section. When the cover is placed on the container, the sealing section clamps Hold between the hard ring portion and the inner wall annulus, when the turn-over section is concavely folded to the sealed state, part of the turn-over section is attached to the outer wall annulus, when the turn-over section is concavely folded to the When in the released state, the folded section breaks away from and abuts against the ring surface of the outer wall.

Preferably, the annular surface of the outer wall has a concave area, and when the turning section is folded to the sealed state, the turning section forms a sealing area that presses against the concave area and closely fits with the concave area .

Preferably, the cover is made of silicone.

Preferably, there is also a hard ring part arranged on the sealing ring part, and the hard ring part has a hard abutting surface against the sealing section. When the cover body is placed on the container, the sealing section clamped between the hard ring part and the ring surface of the inner wall.

Preferably, the sealing section has a soft abutting surface abutting against the hard abutting surface, the hard ring portion has a positioning convex portion annularly protruding from the hard abutting surface, and the cover body There is a positioning concave part recessed from the soft abutting surface, and the positioning concave part is concave-convexly matched with the positioning convex part.

Preferably, the sealing section of the sealing ring part has an outer abutment surface for abutting against the inner wall annulus, the sealing section has an annular protrusion protruding from the outer abutment surface, and The annular surface of the inner wall is concavely provided with an annular concave portion, and when the cover body is combined with the container, the annular convex portion and the annular concave portion cooperate in concave-convex combination with each other.

Preferably, when the cover body is combined with the container, there is a bending point against the recessed area, when the turning section is turned over, the cover body is turned over from the bending point, and the bending point A point extending to the annular convex portion defines a width of the accommodating groove; and the container extends from the recessed area to the annular concave portion to define a set of joint widths, and the width of the set of joints is greater than the width of the accommodating groove.

Preferably, the end of the turning section away from the sealing area has an inclined surface inclined toward the container, and the turning section further has an inner side attached to the container, and an inner side opposite to the inner side. An outer surface, the outer surface is connected to the inclined surface, and the inclined surface is connected to the inner surface, and the length of the outer surface is longer than that of the inner surface.

Therefore, the present invention proposes a lid structure, which is mainly because the second bowl is made of hard material, so when the lid is placed on the container, the soft folded section can cover the first bowl. On the second bowl, since the second bowl is made of a hard material, the second bowl will not be deformed arbitrarily when covered by the turn-over section, and the turn-over section can be tightly wrapped around the second bowl. The bowl is used to make the cover more difficult to break away from the container.

In addition, the sealing ring part of the cover is made of silicone material, which has good elasticity, stretchability and heat resistance, and can be cleaned and reused, which is practical and environmentally friendly.

In order to make the above features and advantages of the present invention more comprehensible, the following examples are specifically cited. And cooperate with accompanying drawing to describe in detail as follows.

The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings.

Please refer to Fig. 1 to Fig. 5, the embodiment of the present invention provides a kind of cover body structure, is suitable for a container 10 to use, and this container 10 is square, and has an inner wall annulus 11, an opposite to this inner wall annulus The outer wall annulus 12 of the surface 11, and an opening 13 located above, the cover structure includes:

A cover body 20 is covered on the top of the container 10. The peripheral ring of the cover body 20 is provided with a sealing ring part 21 which can be tightly matched with the top edge of the container 10, and a sealing ring part 21 which is arranged on the sealing ring part 21 The hard ring part 30, the sealing ring part 21 is elastically arranged around the periphery of the opening of the container, and has a sealing section 211 which can abut against the inner wall annulus 11 and is made of soft material, and a sealing section connected to the sealing section The turning section 212 of 211, the turning section 212 can be changed between a sealed state P1 and a released state P2, the hard ring part 30 has a hard abutting surface 31 against the sealing section 211, when the When the cover body 20 covers the container 10, the sealing section 211 is clamped between the hard ring portion 30 and the inner wall ring surface 11, and when the turning section 212 is concavely folded to the sealing state P1, the turning section 211 The folded section 212 will be elongated and extended until reaching the sealed state P1, the folded section 212 will form an elastically tightened state by the elastic surrounding design, so that part of the folded section 212 can be elastically pre-stressed against the The outer wall annulus 12, and the distance D between the turning section 212 and the sealing section 211, when the turning section 212 is concavely folded to the release state P2, the turning section 212 will be due to the elastic surrounding design The folded section 212 can be stretched elastically so as to pass over the periphery of the cover body 20 and then retract and shrink, so that the folded section 212 can be kept on the top of the cover body 20 without going over the cover body 20 to recover. When the sealed state P1 is reached, the folded section 212 is definitely separated from the annulus 12 of the outer wall so that the lid 20 can be opened and closed at the opening of the container 10 to facilitate placing or emptying the contents in the container.

The outer wall ring surface 12 of the container 10 has a concave area 111. When the turning section 212 is folded to the sealed state P1, the turning section 212 forms a pressing against the concave area 111 and is convex and concave with the concave area 111. Closely matched sealing area 2121, thereby forms airtight state, prevents atmosphere from entering in this container 10 from gap, guarantees that the atmospheric pressure outside this container 10 is greater than the gas pressure in this container 10, to make the space in this container 10 and the outside isolation.

The rigid ring portion 30 can be made of high-density polyethylene (PE, High-density polyethylene), polypropylene (PP, Polypropylene), melamine, ABS resin (ABS), polymethyl methacrylate (PMMA), polycarbonate Polyester (PC), nylon, glass fiber reinforced plastic... and other materials, but not limited thereto, the hard ring part 30 can still be made of other hard heat-resistant materials.

5 and 6, the cover 20 has an accommodating groove 25, and the container 10 has a set of joints 15, whereby when the cover 20 is placed on the container 10, the set of joints 15 can Assembled into the accommodating groove 25 , thereby making the combination between the container 10 and the cover 20 more secure.

Secondly, the sealing section 211 has a soft abutting surface 2111 abutting against the hard abutting surface 31, the hard ring portion 30 has a positioning convex portion 32 annularly protruding from the hard abutting surface 31, and the The cover body 20 then has a positioning concave portion 22 recessed from the soft abutment surface 2111, and the positioning concave portion 22 is concave-convexly matched with the positioning convex portion 32, thereby preventing the hard ring portion 30 from detaching from the cover body 20, so that the hard ring portion The part 30 is more firmly combined with the position of the sealing ring part 21.

Moreover, the sealing section 211 of the sealing ring part 21 has an outer abutting surface 2112 for abutting against the inner wall annulus 11 , and the sealing section 211 has an annular ring protruding from the outer abutting surface 2112 . Convex portion 2113, and the ring surface 11 of the inner wall is concavely provided with an annular concave portion 112, when the cover body 20 is combined with the container 10, the annular convex portion 2113 and the annular concave portion 112 are matched with each other, thereby It is more difficult for the set of joint parts 15 to disengage from the receiving groove 25 , and a better sealing effect can be achieved.

Please refer to Fig. 5 and Fig. 6, when the cover body 20 is combined with the container 10, there is a bending point 23 against the recessed area 111. The inflection point 23 is turned over, and the inflection point 23 extends to the annular convex portion 2113 to define an accommodating groove width 24; and the container 10 extends from the recessed area 111 to the annular concave portion 112 to define a set of joint widths 14. The width of the set of joints is 14 greater than the width of the accommodating groove 24; Allowing the assembly joint part 15 to stretch the accommodation groove 25, and by stretching the accommodation groove 25, the assembly joint part 15 pushes against the sealing section 211, thereby allowing the sealing section 211 to press against the hard ring part 30 to achieve a better sealing effect.

Please refer to FIG. 5 and FIG. 7 , the end of the turning section 212 away from the sealing area 2121 has an inclined surface 2124 inclined toward the container 10 , and the turning section 212 also has an inner surface attached to the container 10 2125, and an outer side 2126 opposite to the inner side 2125, the outer side 2126 is connected to the inclined surface 2124, and the inclined surface 2124 is connected to the inner side 2125, the length of the outer side 2126 is longer than the inner side 2125, so the The inclined surface 2124 is inclined towards the container 10, and by the inclined surface 2124 inclined towards the container 10, a turning space E is defined between the inclined surface 2124 and the container 10. When the user wants to turn over the turning section At 212 , fingers can be inserted into the folding space E, thereby making it easier for the user to fold the folding section 212 .

Please refer to Fig. 7, the container 10 is composed of a first bowl 16 and a second bowl 17 connected, when the cover 20 is closed on the container 10, the sealing section 211 is located at the second bowl 17 And between the hard ring portion 30, the first bowl portion 16 is made of soft material, and the soft material is silicone in this embodiment, but it is not limited thereto, and it can certainly be prepared with the same , elasticity, extensibility, and heat resistance, the second bowl 17 is made of hard material, which is high-density polyethylene (PE, High-density polyethylene) in this embodiment, But it is not limited to this, of course, polypropylene (PP, Polypropylene), melamine, ABS resin (ABS), polymethyl methacrylate (PMMA), polycarbonate (PC), nylon and glass fiber can be used Reinforced plastic... and other materials that also have the characteristics of hardness and heat resistance. The first bowl 16 is bowl-shaped and used to be placed on the table. The second bowl 17 is connected to the first bowl 16 and surrounds and defines the opening of the container 10 .

Please refer to Figures 6 and 7. It is worth noting that since the second bowl 17 is made of hard material, when the cover 20 is placed on the container 10, the soft turning section 212 can cover the On the second bowl portion 17, since the second bowl portion 17 is made of a hard material, the second bowl portion 17 will not be arbitrarily deformed when covered by the turned-over section 212, and the turned-over section 212 can The surroundings are tightly wrapped around the second bowl portion 17 , so that the cover 20 is less likely to be separated from the container 10 .

It is worth mentioning that the cover 20 is made of silicone material, but it is not limited thereto. The cover 20 has good elasticity, stretchability and heat resistance, and can be washed and reused. It is practical and has both Environmental friendly.

In summary, the above-mentioned embodiments and drawings are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, and all equivalent changes and modifications made according to the patent scope of the present invention should be It is within the scope covered by the patent of the present invention.

﹝this invention﹞ 10: container 11: Inner wall annulus 111: Depressed area 112: Annular recess 12: Outer wall annulus 13: opening 14: Assembly joint width 15: Assembling head 16: The first bowl 17: The second bowl 20: cover body 21: sealing ring part 211: sealing section 2111: Soft against the surface 2112: outside against the surface 2113: Annular convex part 212: Fold section 2121: Sealed area 2124: inclined surface 2125: inner side 2126: Outer side 22: Positioning recess 23: Bending point 24: Width of storage tank 25:Accommodating groove 30: Hard ring part 31: Hard against the surface 32: Locating convex part E: Flip space P1: sealed state P2: Release state

Fig. 1 is a perspective view of the present invention. Fig. 2 is a perspective view of the combination of the cover body and the container in a preferred embodiment of the present invention. Fig. 3 is a three-dimensional exploded view of the lid and the container of the present invention. Fig. 4 is a sectional view of the cover in a preferred embodiment of the present invention. Fig. 5 is a partially enlarged cross-sectional view of the cover in a preferred embodiment of the present invention. Fig. 6 is a side sectional view of a folded sealing ring portion in a preferred embodiment of the present invention. Fig. 7 is a cross-sectional view of the present invention in use in a preferred embodiment.

20: cover body

21: sealing ring part

211: sealing section

212: Fold section

Claims (8)

A cover structure suitable for use in a container, the container has an inner wall annulus and an outer wall annulus opposite to the inner wall annulus, the cover structure includes: A cover, which is closed on the container, the peripheral ring of the cover is provided with a sealing ring part which can tightly fit and combine with the top edge of the container, and a hard ring part arranged on the sealing ring part, the sealing ring part It is elastically arranged around the periphery of the opening of the container, and has a sealing section made of soft material that can be against the ring surface of the inner wall, and a turning section connected to the sealing section, and the turning section can be in a Switch between a sealed state and a released state. The hard ring is made of hard material and has a hard abutting surface against the sealing section. When the cover is placed on the container, the sealing section clamps Hold between the hard ring portion and the inner wall annulus, when the turn-over section is concavely folded to the sealed state, part of the turn-over section is attached to the outer wall annulus, when the turn-over section is concavely folded to the When in the released state, the folded section breaks away from and abuts against the ring surface of the outer wall. The cover structure as described in claim 1, wherein the outer wall ring surface has a recessed area, when the folded section is folded to the sealed state, the folded section forms a press against the recessed area and is in contact with the recess The sealing area with convex and concave tight matching. The cover structure as claimed in item 1, wherein the sealing ring part of the cover is made of silicon rubber. The cover structure according to claim 1, wherein the sealing section has a soft abutting surface abutting against the hard abutting surface, and the hard ring part has a positioning protrusion annularly protruding from the hard abutting surface part, and the cover body has a positioning concave part recessed from the soft abutment surface, and the positioning concave part is concave-convexly matched with the positioning convex part. The cover structure according to claim 2, wherein the sealing section of the sealing ring has an outer abutting surface for abutting against the inner wall annulus, and the sealing section has a protruding from the outer abutting surface An annular convex part, and an annular concave part is recessed on the inner wall annular surface. When the cover body is combined with the container, the annular convex part and the annular concave part are matched with each other in a concave-convex combination. The lid structure as claimed in claim 5, wherein when the lid is combined with the container, there is a bending point abutting against the recessed area, and when the turning section is turned over, the lid will start from the bending point Folding, and the inflection point extends to the annular convex portion to define a width of an accommodating groove; and the container extends from the recessed area to the annular concave portion to define a set of joint widths, and the set of joints is wider than the accommodating groove Width. The cover structure according to claim 2, wherein the end of the folded section away from the sealing area has an inclined surface inclined towards the container, and the folded section also has an inner surface attached to the container, and Opposite an outer side of the inner side, the outer side is connected to the inclined surface, and the inclined surface is connected to the inner side, and the length of the outer side is longer than that of the inner side. The cover structure as described in claim 1, wherein the container is composed of a first bowl and a second bowl, the first bowl is bowl-shaped and is used to be placed on the table, the second The bowl is connected to the first bowl and surrounds the opening of the container. The first bowl is made of soft material, and the second bowl is made of hard material. When the cover is closed on the In a container, the sealing section is located between the second bowl and the hard ring.

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