CN111591582A - Cover closure structure of airtight cans - Google Patents

Abstract

The invention relates to a cover body closing structure of a sealed tank, which comprises an upper cover body, a lower cover body, an elastic assembly and a handle component, wherein the upper cover body comprises a top plate and an annular frame; the lower cover body is arranged below the upper cover body and comprises a bottom plate and a sealing ring, a buckling piece penetrating through a through hole extends from the bottom plate, a guide structure is arranged on the buckling piece, and one end of the sealing ring is positioned on the outer side of the stop inclined plane; the elastic component is sleeved on the buckling piece and clamped between the top plate and the bottom plate; the handle member includes a lever and a support arm, the support arm being connected to a rod operable to move within the guide structure such that the sealing ring is sealingly secured between the stop ramp and the container. Therefore, the cover body closing structure of the sealing tank not only simplifies the whole structure and has stable action, but also has good sealing effect.

Description

Cover closure structure of airtight cans

technical field

The present invention relates to a sealing tank technology, in particular to a cover closure structure of a sealing tank.

Background technique

The airtight jar generally includes a container and a cover body with an airtight cover at the opening of the container. The cover body is detachably covered on the container. In order to airtightly close the opening of the container, the bottom edge of the cover body will be embedded. An annular gasket is used to airtightly stack the gasket on the periphery of the opening of the container to achieve the sealing effect. Since this type of sealed jar is easily penetrated by liquid or powder, the gasket is dirty or dirt accumulates in the gap, and even mildew or contamination of the food in the container occurs, so it must be disassembled and washed frequently, and the gasket and the ring groove need to be removed. It can only be assembled and used after drying, which is quite inconvenient.

In order to improve the above-mentioned problems, the industry has developed a sealing tank cover with both a handle and an elastic component. This type of sealing tank is to press the handle and squeeze the gasket through the elastic force of the elastic component. However, this type of sealing tank often has problems such as uneven application of force and deflection during use, which leads to poor sealing effect.

In view of this, the inventor of the present invention has devoted himself to the study of the above-mentioned prior art and cooperated with the application of the theory, and tried his best to solve the above-mentioned problems, which is the goal of the present inventor's improvement.

SUMMARY OF THE INVENTION

One objective of the present invention is to provide a cover closure structure of a sealed tank, which is directly formed on the lower cover through a fastener, which not only simplifies the overall structure, operates stably, but also has a good sealing effect.

In order to achieve the above purpose, the present invention provides a cover closure structure for a sealed tank, which is used to cover and combine a container, including an upper cover, a lower cover, an elastic component and a handle member, and the upper cover includes a top plate and an annular frame extending from the top plate, a through hole is formed on the top plate, a stop slope is formed on the annular frame; the lower cover body is disposed below the upper cover body, and the lower cover body includes A bottom plate and a sealing ring connected to the bottom plate, a fastening piece extending through the through hole on the bottom plate, a guiding structure is arranged on the fastening piece, one end of the sealing ring is located on the stop slope the outer side of the clasp; the elastic component is sleeved on the outer periphery of the fastener and is elastically clamped between the top plate and the bottom plate; the handle member includes a toggle handle and a support arm extending from the toggle handle, in the A rod body is connected to the support arm, and the rod body is operable to move within the guide structure, so that the sealing ring is tightly sealed between the stop slope and the container.

As another implementation of the present invention, a ring wall extends on the periphery of the through hole, and the outer periphery of the fastener is surrounded by the ring wall.

As another implementation of the present invention, an upper collar extends between the annular wall and the annular frame, and the distance from the upper collar to the annular frame is smaller than the distance from the upper collar to the centerline of the top plate.

As another implementation of the present invention, an upper collar extends between the annular wall and the annular frame, and a lower collar extends at the position of the bottom plate corresponding to the upper collar, and the lower collar is connected to the upper collar. The rings are nested into each other.

As another implementation of the present invention, the upper collar is provided with a plurality of elastic hooks, the lower collar is provided with a plurality of hook guide grooves, and each of the elastic hooks corresponds to each of the hook guide grooves for fastening.

As another implementation of the present invention, several ribs are formed between the outer peripheral edge of the lower collar and the bottom plate.

As another implementation of the present invention, the guide structure includes a first channel and a second channel interconnected with the first channel.

As another implementation of the present invention, the sealing ring includes a connecting section and an extrusion deformation section extending from the connecting section, the connecting section is fixed on the periphery of the bottom plate, and the extrusion deformation section is directed toward the bottom plate. extending in the direction of the upper cover body and located outside the stop slope.

As another implementation of the present invention, the bottom plate and the sealing ring are integrally formed by injection molding, and the support arm and the toggle handle are also integrally formed by injection molding.

As another implementation of the present invention, the number of the support arm and the rod body is two, and the guide structure includes a pair of first guideways and a pair of second guideways that communicate with each of the first guideways. The rod body of each support arm is arranged corresponding to each of the first approach and each of the second approach.

Compared with the prior art, the present invention not only has simplified overall structure, stable operation, but also has good sealing effect.

The present invention also has the following effects: the outer periphery of the fastener is surrounded by a ring wall, so as to improve the stability of the lower cover body in the process of moving up and down. By forming several ribs between the outer periphery of the lower collar and the bottom plate, the structural strength is increased. Since the lower cover body and the handle member are respectively integrally formed, the time spent on assembling the parts can be reduced.

Description of drawings

FIG. 1 is an exploded perspective view of the cover closing structure of the present invention.

FIG. 2 is a top view of the inside of the upper cover body in the present invention.

FIG. 3 is an exploded perspective view of the cover closure structure and the container of the present invention.

FIG. 4 is an external view of the combination of the cover closure structure and the container according to the present invention.

FIG. 5 is a cross-sectional view of the combination of the cover closure structure and the container according to the present invention.

FIG. 6 is a cross-sectional view of the lid closing structure and the container in a use state of the present invention.

7 is a cross-sectional view of the closure structure and container of the present invention from another perspective.

FIG. 8 is a perspective external view of another embodiment of the lower cover body in the present invention.

Description of symbols in the attached drawings:

1...closed structure of cover body; 10...upper cover body; 11...top plate; 111...through hole; 112...circular wall; 12...ring frame; 20, 20A...lower cover; 21...bottom plate; 211, 211A...fastening piece; 212, 212A...guidance structure; 213...first passage; 214...second passage; 215...first guideway; 216...first passage 22…Sealing ring; 221…Connecting section; 222…Extrusion deformation section; 23…Lower collar; 231…Hook guide groove; 24…Rib; 25…Elastic component; 30…Handle member; 31… Handle; 32...arm; 321...rod body; D1...interval distance; D2...interval distance; 8...container; 81...opening.

Detailed ways

The detailed description and technical content of the present invention are described below in conjunction with the drawings. However, the accompanying drawings are only for reference and description, and are not intended to limit the present invention.

Please refer to FIG. 1 and FIG. 5 , the present invention provides a cover closure structure for a sealed can, which is used to cover and combine a container 8. The cover closure structure of the sealed tank (hereinafter referred to as the cover closure structure 1) It mainly includes an upper cover 10 , a lower cover 20 , an elastic component 25 and a handle member 30 .

The upper cover body 10 in this embodiment is a quadrilateral cover body, but it is not limited to this shape. It can be made of plastic materials such as PP. The upper cover body 10 mainly includes a top plate 11 and a A ring frame 12 is provided with a through hole 111 at the center of the top plate 11 , and a ring wall 112 extends from the periphery of the through hole 111 ; a stop slope 121 is formed on the bottom edge of the ring frame 12 .

In addition, an upper collar 13 is extended from the top plate 11 between the annular wall 112 and the annular frame 12 , and an elastic hook 131 is provided in the middle of each side plate of the upper collar 13 . The separation distance D1 is smaller than the separation distance D2 from the upper collar 13 to the center line of the top plate 11 .

The lower cover 20 is disposed below the upper cover 10 and has a shape roughly corresponding to the upper cover 10 . The lower cover 20 may be made of plastic materials such as ABS. The lower cover 20 includes a bottom plate 21 and a connecting bottom plate 21 A sealing ring 22, the bottom plate 21 and the sealing ring 22 are integrally formed by injection molding. At the center of the bottom plate 21 is a buckling piece 211 extending through the through hole 111 , and the outer periphery of the buckling piece 211 is surrounded by the ring wall 112 , so as to lift the lower cover 20 in the process of moving up and down. For stability, a guide structure 212 is provided on the fastener 211. The guide structure 212 in this embodiment mainly includes a first channel 213 and a second channel 214 interconnected with the first channel 213, but not form as a limitation.

The sealing ring 22 is made of silicone material and is roughly a quadrilateral ring body, which mainly includes a connecting section 221 and an extrusion deformation section 222 extending from the connecting section 221. The connecting section 221 is fixed on the bottom plate 21. , the extrusion deformation section 222 extends toward the upper cover body 10 and is located outside the stop slope 121 .

A lower collar 23 extends on the bottom plate 21 at a position corresponding to the aforementioned upper collar 13 , and a hook guide groove 231 is provided in the middle of each side plate of the lower collar 23 . The lower collar 23 is mutually connected to the aforementioned upper collar 13 . For socket connection, each elastic hook 131 can move up and down in each corresponding hook guide groove 231 . Several ribs 24 are formed between the outer peripheral edge of the lower collar 23 and the bottom plate 21, so as to improve the structural strength.

The elastic component 25 can be a coil spring, which is sleeved on the outer periphery of the aforementioned fastening member 211 , and is elastically clamped between the top plate 11 and the bottom plate 21 .

The handle member 30 can be made of plastic materials such as POM, and mainly includes a toggle handle 31 and two arms 32 extending from the toggle handle 31. Each support arm 32 and the toggle handle 31 are integrally formed by injection molding. Each support arm 32 is connected with a rod body 321 respectively, and each rod body 321 is accommodated in the aforementioned guiding structure 212;

Please refer to FIGS. 5 to 7 , the cover closure structure 1 of the present invention is used to combine with a container 8 , an opening 81 is formed above the container 8 , and the cover closure structure 1 is a cover corresponding to the position of the opening 81 . When combined, the toggle handle 31 is in an upright position, and the bottom surface of each support arm 32 is used to make contact with the outer surface of the top plate 11, and is elastically clamped between the inner surface of the top plate 11 and the bottom plate 21 through the elastic component 25, At this time, the rod body 321 is located at the top position of the second channel 214 , the lower cover body 20 will move away from the upper cover body 10 under the elastic force of the elastic component 25 , and the elastic hooks 131 are fastened to the hooks. The guide groove 231 does not move, and at this time, the top edge of the extrusion deformation section 222 of the sealing ring 22 is located below the stop slope 121 (as shown in FIG. 5 ).

During operation, the dial handle 31 is rotated towards the horizontal direction, the rod body 321 will pivot at the top of the second channel 214, and the side surfaces of each support arm 32 are used to contact the outer surface of the top plate 11, (that is, by means of the The distance from the side to the rod body 321 is greater than the distance from the bottom surface of the support arm 32 to the rod body 321, or as the aforementioned relationship is formed as a height difference), at this time, the lower cover body 20 will move towards the direction of the upper cover body 10, through the ring wall 112 sets It is arranged around the outer periphery of the fastener 211, so that the lower cover 20 can be stably guided to move, and the extrusion deformation section 222 of the sealing ring 22 will be tightly sealed between the stop slope 121 and the inner wall surface of the container 8 between.

Referring to FIG. 8 , the lower cover of the present invention can be in addition to the above-mentioned embodiment, and can also be in the form of the present embodiment, wherein the guiding structure 212A of the fastener 211A of the lower cover 20A mainly includes a pair of first The guideway 215 and a pair of second guideways 216 that communicate with each of the first guideways 215, wherein the rod bodies 321 of the aforementioned arms 32 are arranged corresponding to each of the first guideways 215 and each of the second guideways 216; like this , also has the equivalent effect of the previous embodiment.

In conclusion, the embodiments of the present invention disclosed herein should be considered to illustrate the present invention, but not to limit the present invention. The scope of the invention shall be defined by the appended claims and their legal equivalents, and shall not be limited by the foregoing description.

Claims (10)

1. A cover closure structure of a sealed tank, used to cover and combine a container, is characterized in that, comprising: an upper cover body, comprising a top plate and an annular frame extending from the top plate, a through hole is formed on the top plate, and a stop slope is formed on the annular frame; The lower cover body is arranged below the upper cover body, the lower cover body includes a bottom plate and a sealing ring connected to the bottom plate, and a clasping piece extending through the through hole extends from the bottom plate, and the buckling piece extends on the bottom plate. A guiding structure is arranged on it, and one end of the sealing ring is located on the outer side of the stop slope; an elastic component sleeved around the outer periphery of the fastener and clamped between the top plate and the bottom plate by the elastic; and A handle member includes a toggle handle and a support arm extending from the toggle handle, a rod body is connected to the support arm, and the rod body is operable to move within the guide structure, so that the sealing ring is tightly closed Sealed between the stop ramp and the container. 2 . The lid closure structure of the airtight can as claimed in claim 1 , wherein a ring wall extends from the periphery of the through hole, and the outer periphery of the fastener is surrounded by the ring wall. 3 . 3. The lid closure structure of a sealed can as claimed in claim 2, wherein an upper collar extends between the annular wall and the annular frame, and the distance from the upper collar to the annular frame is smaller than the The distance from the upper collar to the centerline of the top plate. 4. The lid closure structure of a sealed can as claimed in claim 2, wherein an upper collar extends between the annular wall and the annular frame, and an upper collar extends at the position of the bottom plate corresponding to the upper collar A collar, the lower collar is sleeved with the upper collar. 5 . The lid closure structure of a sealed can as claimed in claim 4 , wherein the upper collar is provided with a plurality of elastic hooks, the lower collar is provided with a plurality of hook guide grooves, and each of the elastic hooks corresponds to Fasten in each hook guide groove. 6 . The lid closure structure of a sealed can as claimed in claim 4 , wherein a plurality of ribs are formed between the outer peripheral edge of the lower collar and the bottom plate. 7 . 7 . The closure structure of the lid of the airtight can as claimed in claim 1 , wherein the guide structure comprises a first channel and a second channel communicating with the first channel. 8 . 8 . The lid closure structure of a sealed can as claimed in claim 1 , wherein the sealing ring comprises a connecting section and an extrusion deformation section extending from the connecting section, and the connecting section is fixed on the connecting section. 9 . On the periphery of the bottom plate, the extrusion deformation section extends toward the upper cover body and is located outside the stop slope. 9 . The lid closure structure of a sealed can as claimed in claim 1 , wherein the bottom plate and the sealing ring are integrally formed by injection molding, and the support arm and the toggle handle are also integrally formed by injection molding. 10 . constitute. 10 . The closure structure of the lid body of the airtight can as claimed in claim 1 , wherein the number of the support arm and the rod body is both two, and the guide structure comprises a pair of first guide channels and each of the first guide channels. 11 . A pair of second guideways communicated with each other, and the rod bodies of each support arm are arranged corresponding to each of the first guideway and each of the second guideways.

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