TWI424942B - Lid of seal container - Google Patents

Description

Sealed container cover

The invention relates to a sealed container cover, in particular to a sealed can which can be applied to a long or larger type, so as to solve the elastic repulsion force generated by the airtight gasket, the torque is too large, and cannot be completely airtight. A sealed container cover for the problem of the circumferential surface of the can body.

With the advancement of material civilization and the needs of life, food packaging containers have been evolving rapidly, and have become an indispensable product in life. In general, the function of the packaging container is not only to emphasize the good sealing, so that the food placed therein is not easily damaged by moisture or bacteria in the air, and can delay the time of food spoilage.

According to the seal container that is commonly seen on the market, the main body comprises a container body and a sealing cover with a gasket at the peripheral edge. When the sealing cover is closed to the container body, the device is fastened to the container by the clamp around the sealing cover. The buckle of the periphery of the opening of the body makes the sealed container achieve a good airtight effect; however, the use of the buckle assembly not only increases the material cost, but also needs to pull at least one buckle component each time the disassembly and assembly is performed, resulting in use. Not very convenient.

Therefore, some operators have improved the structure of the traditional cover. Please refer to the "sealed can lid" of the Republic of China Public Publication No. 201014776, which includes a cover body that can be detachably covered and shielded from the opening of the can body, and can be displaced up and down. Placed under the outer cover The inner cover body and a set of airtight gaskets which are placed on the outer peripheral surface of the inner cover and can be pushed up by the cover body and are elastically expanded and deformed, and the movable inner cover body is inserted up and down with respect to the outer cover body a linkage shaft disposed on the outer cover body and fixed to the inner cover body, and a lever pivoted on the linkage shaft and abutting against the top surface of the outer cover body; and the linkage lever is used to drive the linkage shaft to interlock The cover body is displaced up and down relative to the outer cover body, so that the airtight gasket can be elastically squeezed and deformed, and the airtight plug is pressed against the circumferential surface of the can body to achieve the sealing effect of the can opening.

However, if the sealed can lid structure described above is used for a long or larger sealed can, the weight of the inner cover is relatively large due to the relatively large volume of the inner cover; further, since the inner cover is bulky Therefore, the distance from the central axis of the lever to the airtight gasket is relatively large, so that the inner arm body pushes the contact area of the airtight gasket upward to the center of the inner cover body, and the force arm is relatively long, causing the force to pull When the rod drives the inner cover body to elastically squeeze the airtight gasket upward, according to the Hooke's law of elastic mechanics, the airtight gasket will have an elastic restoring force in the contact area with the inner cover body, and the The moment of the elastic restoring force applied to the inner cover body is proportional to the length of the arm; thus, when the lever is pulled to elastically deform the airtight gasket, the inner cover body is applied to the contact area of the airtight gasket. The upward torque will not be able to withstand the elastic restoring moment of the airtight gasket down to the contact area, resulting in the airtight gasket not being completely tightly sealed against the circumferential surface of the tank body, resulting in a lack of sealing effect of the tank opening.

Nowadays, the inventor is still in the spirit of tirelessness in view of the above-mentioned existing sealed containers, and it is improved by the rich professional knowledge and years of practical experience. And based on this, the present invention was developed.

The main object of the present invention is to provide a sealed container cover, especially to be applicable. In the case of a long or larger sealed can to solve the problem that the elastic repulsion force generated by the hermetic gasket is too large and cannot be completely tightly sealed against the circumferential surface of the can body.

In order to achieve the above-mentioned implementation, the inventors have studied the following implementation techniques, which include an inner cover body, a gasket, an outer cover body, a linkage member, and a lever; a ring protrusion is protruded from the bottom surface of the inner cover body. a ring-shaped recessed groove is formed in a peripheral edge of the outer side of the annular protrusion, and a connecting portion is protruded from a central portion of the bottom surface of the inner cover body, wherein the bottom surface of the inner cover body is formed by a flat surface and an inclined surface extending from the periphery of the flat surface The other side of the inclined surface is connected to the ring convex portion; the bottom end of the gasket is provided with a bent portion extending radially inwardly and embedded in the ring fitting groove; and the bottom end surface of the outer cover body is protrudingly corresponding to the connecting portion a fitting positioning portion, and a ring concave portion corresponding to the annular convex portion is recessed on the bottom surface of the outer cover body, and the outer cover body has a constant hole at a central portion of the top surface; the linking component is inserted through the through hole and the inner hole The cover body is fixed for interlocking the inner cover body to be displaced upward and downward relative to the outer cover body.

Therefore, when the sealed container cover of the present invention covers the long or larger sealed can, since the bottom surface of the inner cover is composed of a flat surface and an inclined surface extending from the periphery of the flat surface, When the ring convex portion of the cover body is pushed upward to cause the elastic deformation of the gasket and the opening of the airtight can body, the elastic restoring force generated by the gasket is decomposed into a horizontal component of the parallel flat surface at the intersection of the inclined surface and the flat surface. And the vertical component of the vertical flat surface, it can be clearly seen that the vertical component force is smaller than the elastic restoring force generated by the downward direction of the washer; further, the force component of the vertical component force to the pivoting axis is compared with the elastic restoring force of the washer to The arm of the pivoting axis is also significantly shorter, so the upward moment applied by the inner cover at the intersection of the inclined surface and the flat surface will be able to withstand the moment of the vertical component force, so that the gasket is completely airtightly plugged against the can. The inner surface of the body achieves a good sealing effect.

(1) ‧‧‧ inner cover

(11) ‧‧‧ ring convex

(12) ‧‧‧ring groove

(13) ‧‧‧Linking Department

(131)‧‧‧Slots

(14) ‧ ‧ flat face

(15)‧‧‧Sloping surface

(2) ‧ ‧ washers

(21)‧‧‧Bends

(3) ‧ ‧ outer cover

(31) ‧ ‧ Circumference

(32) ‧‧‧ Ring groove

(33)‧‧‧Tongkong

(34)‧‧‧ Positioning Department

(4) ‧‧‧ linkage components

(41)‧‧‧Carmen

(5) ‧‧ ‧ lever

(6) ‧‧‧ cans

The first figure: an exploded perspective view of the appearance of the embodiment of the present invention

Second figure: an exploded perspective view of the appearance of another embodiment of the present invention

The third figure: a schematic view of the dial of the embodiment of the present invention at the unsealing position

Fourth figure: a schematic cross-sectional view of the lever in the sealing position according to the embodiment of the present invention

Fig. 5 is a cross-sectional view showing the other end of the sealing rod in the sealing position of the embodiment of the present invention

The object of the present invention and its structural design and advantages will be explained in the light of the preferred embodiments shown in the following drawings, so that the reviewing committee can have a more in-depth and specific understanding of the present invention.

First, referring to the first to second embodiments, a preferred embodiment of the sealed container cover of the present invention is for sealing the opening of a can body (6), comprising: an inner cover body (1), A ring protrusion (11) is protruded from a bottom surface thereof, a ring insertion groove (12) is recessed on a periphery of the outer side of the ring protrusion (11), and a joint portion is protruded from a central portion of the bottom surface of the inner cover body (1). (13) wherein the bottom surface of the inner cover body (1) is composed of a flat surface (14) and an inclined surface (15) extending from the periphery of the flat surface (14), and the other side of the inclined surface (15) is connected to the annular convex portion. (11); a washer (2) extending radially inwardly from the bottom end to form a bent portion (21) embedded in the ring fitting groove (12), so that the cross section of the washer (2) is L-shaped An outer cover body (3) is provided with a positioning portion (34) corresponding to the connecting portion (13) on the bottom end surface, and a corresponding ring convex portion (11) is recessed on the bottom surface thereof. a ring recess (31) is disposed, and a ring groove (32) is recessed in the bottom edge of the peripheral wall of the outer cover body (3) for inserting the top end of the washer (2), and the outer cover body (3) is further A continuous hole (33) is formed at a central portion of the top surface; a linkage element (4) is passed through the through hole (33) and fixed to the inner cover body (1) to interlock the inner cover body (1) relative to the outer cover The upper part of the body (3) is displaced; and a lever (5) is pivotally disposed on the linking element (4), so that the pulling lever (5) enables the interlocking element (4) to drive the inner cover body (1) to be displaced upward , causing the ring groove (32) of the outer cover body (3) and the inner cover body (1) to press the washer (2), causing the washer (2) to elastically deform toward the inner wall surface of the can body (6); The distance of the pivot rod (5) of the embodiment to the bottom end surface of the lever (5) is smaller than the distance from the pivot axis to the left side or the right side; so that the bottom of the lever (5) When the end surface abuts against the top surface of the outer cover body (3), the can body (6) is in an unsealed state, and when the left side or the right side surface of the lever (5) abuts against the top surface of the outer cover body (3) When the interlocking element (4) is driven upward, the inner cover body (1) is displaced upward relative to the outer cover body (3), so that the outer cover body (3) Groove (32) and the inner cover (1) can be pressed against one another, causing the gasket (2) based elastically deformed shape of the middle of the ridge, resulting in tank (6) lines were sealed state.

Next, when the sealed container lid body as described above is used for implementation; as shown in the third figure, the food to be preserved is placed inside the can body (6), and the sealed container lid body is covered with the can body (6). At the upper end opening, at this time, the bottom end surface of the lever (5) abuts against the top surface of the outer cover body (3); the force is applied to move the lever (5) to the left side or the right side to abut the outer surface For the top surface of the cover (3), please refer to the fourth to fifth figures, because the distance from the pivot axis of the lever (5) to the bottom end is less than the pivot axis to the left or right side. Distance, so that the lever (5) drives the linkage element (4 ) the upward displacement causes the inner cover body (1) to be displaced upward relative to the outer cover body (3), causing the ring groove (32) of the outer cover body (3) and the inner cover body (1) to be pressed against each other, and The washer (2) is embedded in the ring fitting groove (12), so that when the washer (2) is pressed, it can be pushed forward by the ring protrusion (11) of the inner cover body (1) to cause the washer (2) to the can The inner wall surface of the body (6) is elastically deformed into a shape of the intermediate lateral ridge; therefore, the air passage between the can body (6) and the outer cover body (3) is completely blocked by the laterally protruding washer (2), resulting in the can body (6) It can be in a sealed state; it is worth noting that when the sealed container cover of the present invention is covered by a long or larger sealed can, the bottom surface of the inner cover (1) is composed of a flat surface (14) and The flat surface (14) is composed of an inclined surface (15) extending from the periphery, so that when the annular convex portion (11) of the inner cover body (1) is pushed upward, the gasket (2) is elastically deformed and the airtight can body (6) At the opening, the elastic restoring force generated by the washer (2) will be decomposed into the horizontal component of the parallel flat surface (14) and the vertical flat surface (14) at the intersection of the inclined surface (15) and the flat surface (14). Vertical component, the vertical component is smaller than the washer (2) The elastic restoring force generated; in addition, the force arm of the vertical component to the pivot axis is significantly shorter than the arm of the washer (2) elastic restoring force to the pivot axis, so the inner cover (1) The upward moment applied by the intersection of the inclined surface (15) and the flat surface (14) will withstand the moment of the vertical component force downward, so that the gasket (2) is completely airtightly plugged against the inner circumferential surface of the tank body (6). And achieve a good sealing effect.

When the user wants to open the sealed can body (6), only the force is required to pull the lever (5) to make the bottom end surface abut against the top surface of the outer cover body (3), please refer to the third figure. As shown in the figure; at this time, the inner cover body (1) is displaced downward relative to the outer cover body (3), so that the washer (2) can be elastically restored to the original un-uplifted state, resulting in the can body (6) and the outer The air passage between the cover bodies (3) is reproduced, causing the can body (6) to assume an unsealed state.

Furthermore, as shown in the first figure, in the present embodiment, the interlocking member (4) is further provided with a latch (41) on each of the two side peripheral walls of the bottom end, and on both sides of the connecting portion (13). Slots (131) for securing the cassette (41) are respectively disposed, so that the linking member (4) can be fixed to the inner cover (1).

From the above-described sealed container cover and the description of the implementation, the present invention has the following advantages:

1. The sealed container cover of the present invention, wherein the elastic restoring force generated by the pressing of the gasket by the inclined surface of the inner cover body is decomposed into a horizontal component and a vertical component at the intersection of the inclined surface and the flat surface, so that the gasket The downward elastic restoring force forms a vertical component with less force at the intersection; and the force arm of the vertical component to the pivot axis is also stronger than the elastic restoring force of the washer to the pivot axis. It is shorter, so the upward moment applied by the inner cover at the junction will withstand the moment of the vertical component force downward, so that the gasket can be completely airtightly plugged against the inner surface of the tank body to achieve a good sealing effect.

2. The sealed container cover of the present invention can achieve a good sealing state of the can body and the cover body without the cooperation of the additional buckle and the buckle block, which is convenient to use, and can save the material and time of the externally attached buckle. cost.

In summary, the sealed container cover of the present invention can achieve the intended use efficiency by the above disclosed embodiments, and the present invention has not been disclosed before the application, and has completely complied with the provisions of the Patent Law. Claim.爰Issuing an application for a patent for invention in accordance with the law, and asking for a review, and granting a patent, is truly sensible.

The illustrations and descriptions of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; those skilled in the art, which are characterized by the scope of the present invention, Equivalent changes or modifications shall be considered as not departing from this issue. Ming's design category.

(1) ‧‧‧ inner cover

(11) ‧‧‧ ring convex

(12) ‧‧‧ring groove

(13) ‧‧‧Linking Department

(14) ‧ ‧ flat face

(15)‧‧‧Sloping surface

(131)‧‧‧Slots

(2) ‧ ‧ washers

(21)‧‧‧Bends

(3) ‧ ‧ outer cover

(33)‧‧‧Tongkong

(4) ‧‧‧ linkage components

(41)‧‧‧Carmen

(5) ‧‧ ‧ lever

Claims (4)

The utility model relates to a sealed container cover for sealing an opening of a can body. The sealed container cover body comprises: an inner cover body, a ring convex portion is protruded from a bottom surface thereof, and a peripheral edge of the outer side of the annular convex portion is concavely disposed. a connecting groove, a connecting portion is protruded from a central portion of the bottom surface of the inner cover body, wherein a bottom surface of the inner cover body is composed of a flat surface and an inclined surface extending from a periphery of the flat surface, and the inclined surface is connected on the other side The ring protrusion; a washer extending radially inwardly from the bottom end to form a bent portion embedded in the ring insert groove, so that the cross section of the washer is L-shaped; an outer cover body is attached to the bottom a positioning portion corresponding to the connecting portion is protruded from the end surface, and a pair of annular recess portions into which the annular convex portion is to be inserted is recessed on the bottom surface thereof, and the outer cover body has a uniform hole at a central portion of the top surface thereof; a linkage element is connected through the through hole of the outer cover body and connected to the connecting portion of the inner cover body to interlock the inner cover body to be displaced upward and downward relative to the outer cover body; and a lever is pivotally disposed on the linkage The component is configured to enable the linkage member to drive the inner cover body upward The displacement causes the outer cover body and the inner cover body to press the gasket, causing the gasket to elastically deform toward the inner wall surface of the can body. The sealed container cover according to claim 1, wherein the angle between the inclined surface and the flat surface is between 15 degrees and 60 degrees. The sealed container cover according to the first aspect of the invention, wherein the interlocking member is provided with a latch on each of two side walls of the bottom end, and the card is respectively disposed on the side of the connecting portion of the inner cover. Slotted slot. The sealed container cover according to claim 1, wherein a bottom groove of the peripheral wall of the outer cover is recessed with a ring groove for inserting the top end of the gasket so that the inner cover is displaced upward. The ring groove of the cover body and the inner cover body press the gasket to cause elastic deformation of the gasket.