KR101568168B1 - lid for vacuum pot - Google Patents

Abstract

The present invention relates to a lid for a pot capable of forming an airtight condition, which is coupled to a hollow cap unit with respect to a hollow center unit, formed of a metal, and particularly, a stainless steel material. The lid comprises: a lid main body; a packing arranged on a border of the lid main body; a lid knob installed in the center of the lid main body; and a check valve installed inside the lid knob to be elevated. According to the present invention, the lid is capable of preventing the breakage or cracks of a protrusion flange.

Description

{Lid for vacuum pot}

The present invention relates to a lid for a vacuumable pot in which a hollow cap part is fastened to a metal core, particularly a hollow core part made of stainless steel.

When boiling, a pot that can be vacuumed is used as a pot as usual while the inside of the cooking chamber expands and air is discharged through a check valve.

After boiling, the inside of the cooking chamber shrinks, blocking the inflow of outside air through the check valve, and functioning like a so-called pumping that keeps the lid down, while vacuuming the inside of the cooking chamber so that the lid does not fall off the container .

If the contents are kept in this vacuum state, it is possible to prevent the food from being broken while the vacuum is maintained, thereby solving the inconvenience of continuously boiling and storing.

Release the vacuum again by boiling or holding the check valve.

As a pot of this type, there is proposed what is known from the patent document (Korean Patent Registration No. 10-1426852) filed and filed by the present applicant.

As shown in Figs. 1 and 2, the vacuum-capable pot lid 100 of the patent document includes a container 200 having a cooking chamber 200a, a vacuum-capable lid 200a for opening and closing the cooking chamber 200a of the container 200, (300).

2 and 3, the vacuumable lid 300 includes a lid body 310, a check valve 350, a packing 370 provided on a rim of the lid body 310, a lid body 310 And a lid handle 330 mounted on the through hole 311 formed at the center of the check valve 350 so that the check valve 350 can be raised and lowered.

3, 4A, and 4B, the lid handle 330 includes a hollow core 330a disposed on the through hole 311, and a hollow core 330a coupled to the hollow core 330a, And a hollow cap portion 330b to be supported.

The lid handle 330 may further include an arm 330c protruding in a radial direction of the lid body 310 from one side of the hollow cap 330b.

Further, the lid handle 330 is formed of a plastic material resistant to heat.

A latching flange 331a is formed at the lower end of the hollow core 330a and a male screw 333a is formed at the outer periphery of the hollow core 330a.

The hollow cap portion 330b has a cylindrical or cylindrical shape penetrating up and down, and a female screw 333b fastened to the male screw 333a is formed on the inner peripheral surface.

Since the hollow core portion 330a and the hollow cap portion 330b are formed of a plastic material, when the hollow cap portion 330b is tightly fastened to the hollow core portion 330a with a strong force during the production process, There is a great concern about this.

Such breakage or cracking may cause shear breakage or shear crack at the right angle portion of the engagement flange 331a which is the lower end of the hollow core portion 330a.

Therefore, if it is damaged during production, it can be replaced with other parts. However, if the shear crack part continues to be used and damaged by consumers, there is a possibility of damage to consumers.

Also, the hollow core 330a is very close to the foodstuff, and even hygienically safe heat-resistant plastic is relatively less hygienic than stainless steel.

Korean Patent Registration No. 10-1426852

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vacuum lid for a pot which can prevent breakage or cracking during assembly of a lid handle.

In order to achieve the above object, a lid for a vacuumable pot according to claim 1 of the present invention comprises: a lid body; A packing disposed at an edge of the lid body; A lid handle provided at the center of the lid body; The lid handle includes a hollow core portion disposed on a through hole formed at the center of the lid body and mounted on the upper side of the check valve, and a check valve coupled to the hollow core portion, And a hollow cap portion supported by the lid body, wherein the hollow core portion has a hollow body formed with a fastening protrusion to be fastened to the hollow cap portion, and a bent portion formed on an outer side of the through- An engagement flange located on the bottom surface of the main body, and a seat which is bent inward from the upper end of the hollow main body and has an opening / closing hole opened / closed by the check valve.

In the lid for a vacuumable pot according to the second aspect of the present invention, the engagement flange is formed with a concave groove to which a seal is mounted.

In the lid for a vacuumable pot according to claim 3 of the present invention, a horizontal discharge hole is further formed at one side of the hollow cap portion,

Wherein the check valve comprises: an opening / closing flange disposed on an upper surface of the seat; a vertex formed on an upper portion of the opening / closing flange; a hollow flange disposed on a bottom surface of the through hole; And a gap projection formed along an upper surface of the hollow flange.

In the lid for a vacuumable pot according to claim 4 of the present invention, the hollow core portion is made of stainless steel.

In the lid for a vacuumable pot according to claim 4 of the present invention, the packing is assembled by being fitted to the bottom surface of the frame mounted along the rim of the lid body.

The present invention has the following effects.

Since the hollow core portion is made of a metal material, breakage or cracking of the engagement flange can be prevented even when the hollow cap portion is tightly fastened to the hollow cap portion.

Further, since the engaging flange is made of metal, it is easy to form a concave groove on which the sealing is mounted, and can be sealed completely at a stable insertion position of the sealing.

Meanwhile, by forming the gap projection in the hollow flange of the check valve, even if the bottom surface of the hollow flange is clogged, a gap is formed so that the upper surface of the hollow flange does not completely come into close contact with the opening and closing hole of the hollow core portion, It prevents the bubbles that form when instantaneously exploding with the roar.

On the other hand, since the hollow core portion is made of stainless steel, press molding is easy, and it is harmless and most hygienically stable even if it comes in contact with food due to corrosion resistance.

On the other hand, since the packing is assembled by inserting the packing into the bottom of the frame of the lid body, the packing can be pushed from the bottom to the bottom or pulled out to pull it out so that the assembly is very convenient. There is no risk of foreign matter getting into the gap.

1 is a perspective view showing a vacuumable pot registered and registered by the present applicant.
Fig. 2 is a perspective view of the lid of Fig. 1 separated from the container; Fig.
3 is a sectional view taken along line 3-3 of Fig.
Figs. 4A and 4B are cross-sectional views of the check valve of Fig. 1 in a state in which the vacuum is maintained and released. Fig.
5 is an exploded perspective view of a lid for a vacuumable pot according to a preferred embodiment of the present invention.
6 is an assembled sectional view of Fig.
7 is an enlarged view of a portion A in Fig.
FIG. 7A is a perspective view showing only the packing of FIG. 7; FIG.
FIG. 7B is a cut-away perspective view of FIG. 7A. FIG.
Fig. 8A and Fig. 8B are sectional views of the state in which the check valve maintains and releases the vacuum, as shown in Fig. 6B.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 5 is an exploded perspective view of a lid for a vacuumable pot according to a preferred embodiment of the present invention, FIG. 6 is an engaging sectional view of FIG. 5, FIG. 7 is an enlarged view of a portion A of FIG. 6, 6 is a sectional view of the state in which the check valve maintains and releases the vacuum,

As shown in FIGS. 5 and 6, the vacuumable lid 1300 includes a lid body 1310, a packing 1370 disposed at the rim of the lid body 1310, And a check valve 1350 in which the lid handle 1330 is mounted in a liftable manner.

As shown in Figs. 5, 6, 8A and 8B, the lid handle 330 includes a hollow core 1330a disposed on the through hole 311, and a hollow core 1330b coupled to the hollow core 1330a, And a hollow cap part 330b supported by the cap parts 1310 and 1310.

Further, the hollow cap portion 330b may be formed with an arm 330c protruding in the radial direction of the lid body 1310 from one side.

In particular, the hollow core portion 1330a may be formed of a metal material, specifically, a stainless steel material.

Since the hollow core portion 1330a is made of stainless steel, breakage or cracking of the engagement flange 1331a can be prevented even when the hollow cap portion 330b is unreasonably fastened.

The hollow cap portion 330b may be formed of a plastic material resistant to heat.

The upper portion of the check valve 1350, that is, the stem portion 353 of the check valve 1350, protrudes above the upper end of the hollow cap portion 1330b .

With the configuration of the lid handle 1330, the lid handle 1330 can simultaneously satisfy the vacuum function, the overflow prevention function, and the lifting function.

The penetrating inside of the hollow core 1330a serves as a passage for discharging the water vapor generated in the container 200 as shown in FIG. 8B.

The hollow core 1330a includes a hollow body 1332a formed with a fastening protrusion 1333a to be fastened to the hollow cap portion 330b and a hollow body 1332b formed outwardly from the lower end of the hollow body 1332a and external to the through hole 311 A seat 1337a formed with an engagement flange 1331a located on the bottom surface of the lid body 310 and an opening and closing hole 1335a bent inward from the upper end of the hollow body 1332a and opened and closed by the check valve 1350, .

The engaging flange 1331a is positioned outside the through hole 311 and hooked on the bottom surface of the lid body 310 when the upper end of the hollow core 1330a is inserted into the through hole 311 from below.

The engaging flange 1331a may further include a groove 1334 to which the seal 1360 is mounted.

The seal 1360 is composed of a first seal 1361 fitted in the groove 1334 and a second seal 1363 protruding upward from the upper surface of the first seal 1361 and inclined inward.

The second sealing 1363 of this shape can further enhance the sealing effect because it maintains the elasticity to rise up.

The second sealing 1363 substantially closes the gap between the groove 1334 and the bottom surface of the lid body 310. [

In addition, fastening protrusions 1333a are formed on the outer circumferential surface of the hollow core 1330a in an embossed form at predetermined intervals in an arrangement for fastening.

Since the hollow core 1330a is made of a metal material, it is possible to prevent breakage due to unreasonable fastening at the bending portion (the portion weak in shearing force) where the vertical hollow body 1332a and the horizontal engagement flange 1331a meet So that cracks can be prevented as much as possible.

The hollow cap portion 330b has a cylindrical or cylindrical shape penetrating upward and downward and has a fastening groove 1333b which is fastened to the fastening protrusion 1333a along the periphery of the inner circumferential surface.

The fastening groove 1333b is also formed between the lower end of the hollow cap portion 330b and the upper end thereof, particularly, at the lower end of the hollow cap portion 330b and between the discharge hole 1320 described later.

Therefore, the height between the upper and lower ends of the hollow cap portion 330b is somewhat deep.

As shown in FIG. 5, a discharge hole 1320 is further formed at one side of the hollow cap portion 330b.

The center of the discharge hole 1320 is located at the top of the hollow core 1330a, as shown in Figs. 8A and 8B.

That is, as shown in FIG. 8B, when the water vapor is going to come out upward, the water vapor escapes to the discharge hole 1320, thereby preventing the condensation of water vapor due to the difference in height (depth) of the hollow cap part 330b, It is possible to prevent the water from flooding.

The discharge hole 1320 is formed as a cylindrical cylinder having a long length to the left and right from above and below.

Further, it is preferable that the discharge hole 1320 is disposed at a position facing the arm 330c (180 degrees position).

The arm 330c protrudes in a radial direction of the lid body 1310 from one side of the hollow cap portion 330b when viewed from a plane and is inclined upward toward the rim from the center side of the lid body 1310 when viewed from the side .

Therefore, the end of the arm 330c and the rim of the lid body 1310 can stably raise the lid 1300 that can be vacuumed.

Meanwhile, as shown in FIGS. 8A and 8B, the hollow cap part 330b is provided with a guide piece 340 for guiding upward the steam.

Particularly, the guide piece 340 is disposed at a position where the hollow cap 330b and the arm 330c meet, and serves as a detour for bypassing upward the water vapor directly toward the arm 330c.

In order to function as a detour, a guide piece 340 is provided on a part of the upper surface of the hollow cap part 330b as if it surrounds the wall.

The check valve 1350 is made of a silicone material which is elastically deformable and harmless to the human body and is made of an openable and closable flange 1360a which is placed on a sheet 1337a which is an upper surface of the open / close hole 1335a formed in the hollow core portion 1330a as shown in Figs. 8A and 8B A hollow flange 355 attached to the lower surface 1338a of the opening and closing hole 1335a and a hollow flange 355 fitted to the opening flange 351 and a hollow flange 355 A flange 359 formed between the stem 353 and the opening and closing flange 351 and a gap projection 1355 formed along the upper surface of the hollow flange 355 .

The connection portion 357 is implemented as a plurality of connection strips 357 provided at predetermined intervals to form the discharge space S along the periphery of the hollow flange 355.

The shape of the stopper 353 may be hand-held.

The opening and closing flange 351 is of a flange type protruding outward from the lower side of the stem portion 353 so as to have a diameter larger than the diameter of the opening and closing hole 1335a.

The hollow flange 355 has a disk shape and a through hole 356 is formed at the center thereof.

With this configuration, the check valve 1350 forms a flow passage through which the pressure inside the cooking chamber 1200a is discharged to the outside through the through hole 336 and the discharge space S of the hollow flange 335, The flow path is a one-way valve that blocks.

8B, the gap protrusion 1355 serves to create a bypass discharge passage S 'when the through hole 356 is blocked, thereby preventing the internal pressure of the pot from becoming high.

That is, the bypass discharge passage S 'is formed in the gap projection 1355 and the gap projection 1355, thereby making the discharge space S communicate with each other.

As shown in Figs. 8A and 8B, it is preferable that a plurality of holes 1359a are formed in the flange 359. Fig.

On the other hand, the packing 1370 is supported on the rim of the lid body 310 by the frame 1400.

As shown in FIG. 7, the frame 1400 includes an annular first frame 1430 surrounding the top and sides of the frame 312 of the lid body 310, And an annular second frame 1410 supported by the frame 1430.

When the first frame 1430 is inserted after inserting the second frame 1410 into the frame 312 at the time of assembling the frame 1400, the second frame 1430 plays a role of fixing the first frame 1410 do.

The first frame 1430 includes a first upper frame 1431 surrounding the upper surface of the frame 312, a first side frame 1433 surrounding the side of the frame 312, And a support piece 1435 bent in a U-shape.

The first upper surface frame 1431 includes a first upper surface frame 1431a arranged in the same shape as the curved surface of the lid body 310 and a second upper surface frame 1431a extending in a horizontal direction from the first upper surface frame 1431a. And an upper surface frame 1431b.

When the first upper surface frame 1431 is made of stainless steel, as shown in FIG. 7, when the folded portion 1432 curled inward is formed in the inner portion of the 1-1th upper surface frame 1431a, So that the sharp portion disappears, which also serves as a finishing portion for preventing foreign matter from entering from the outside.

The second frame 1410 includes a second horizontal frame 1411 disposed below the frame 312 and supported by the first frame 1430 and a second vertical frame 1411 supported at the outer end of the second horizontal frame 1411 A second upper frame 1413 extending between the side edges of the frame 312 and the first side frame 1433 and a packing 1370 extending downward from the inner end of the second horizontal frame 1411, And a second lower frame 1414 to be fitted.

A circular curling portion 1415 is formed at the lower end of the second lower frame 1414 so as to increase the fitting effect.

The support piece 1435 prevents the second horizontal frame 1411 from falling down.

The packing 1370 is an integral ring of a closed loop and includes a body packing 1371 to be fitted in the curled portion 1415 of the second lower frame 1414 as shown in Figs. 7, 7A and 7B, And a cantilevered wing packing 1378 extending outward from the outside of the packing 1371 and placed on the upper end 231 of the container 200.

The body packing 1371 includes a first body packing 1372 and a second body packing 1373 disposed on the inner and outer sides of the second downward frame 1414 similar to a cross section U, And a third body packing 1374 connecting the lower side of the second body packing 1373.

A guide passage 1375a through which the curling portion 1415 is inserted is formed between the first body packing 1372 and the second body packing 1373. A curling portion 415 is inserted into the lower surface of the guide passage 1375a And a lug fitting groove 1375b is formed.

As described above, the packing 1370 is fitted to the bottom surface of the frame 1400 and assembled easily.

In addition, a first rib packing 1376 and a second rib packing 1377, which are inclined inward and outward, are formed in a V shape at the upper end of the first body packing 1372.

Since the upper end of the first rib packing 1376 and the upper end of the second rib packing 1377 are disposed in contact with or close to the push surface of the lid body 310,

In addition, the upper end of the first rib packing 1376 and the V-shaped space 1376a of the second rib packing 1377 are inclined so that the first rib packing 1376 prevents external pressure from being lost, The rib packing 1377 is a tilted space that prevents air from entering outside when vacuum is applied.

The cantilever wing packings 1378 extend outward from the outside of the second body packing 1373.

It is also preferable that the free end of the cantilevered wing packing 1378 is sagged slightly below the fixed end.

The fixed end of the cantilevered wing packing 1378 is preferably disposed below the upper end 1373a of the second body packing 1373.

That is, the upper end 1373a of the second body packing 1373 functions as a stopper when the packing 1370 is fitted into the frame 1400, and also functions as a sealing function. The cantilevered wing packing 1378 and the second horizontal frame (1411) so as to reliably prevent incomplete operation.

On the other hand, a spot projection 1379 is formed on the upper surface of the cantilever-shaped vane packing 1378.

The spot projections 1379 are formed discontinuously at predetermined intervals along the circumference.

That is, when the inner pressure of the container 200 becomes high due to clogging or the like, in which the steam is not properly discharged, the pressure is discharged to the space between the spot projections 1379. In vacuum, the spot projections 1379 are completely pressed, 2 horizontal frame 1411 as shown in Fig.

Of course, the spot projections 1379 also play an elastic role of dropping back to the original state.

The frame packing 1390 having a U-shaped cross section is further inserted into the frame 312 of the lid body 310 to prevent the vacuum from being released between the frames 1400.

The frame packing 1390 is composed of a top packing 1391 and a bottom packing 1393 which surround the upper and lower surfaces of the frame 321 and a side packing 1395 which surrounds the outer side surfaces of the frame 321.

Therefore, since the rim packing 1390 surrounds the upper and lower sides and the side surfaces of the rim 321, the sealing with the inner and outer portions is performed more easily.

Since the first frame 1430 and the second frame 1410 are wrapped around the frame packing 1390, the frame packing 1390 can be inserted even if it is fitted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be apparent to those skilled in the art.

310, 1310: lid body 311: through hole
330, 1330: lid handle 330a, 1330a:
1332a: hollow body 1333a: fastening projection
331a, 1331a: engagement flange 335a, 1335a: opening /
337a, 1337a: sheet 330b: hollow cap part
350, 1350: check valve 351: opening / closing flange
353: Staple portion 355: Hollow flange
357: connection portion 1355: gap projection
370, 1370: Packing 1320: Discharge ball
Te: 1400 S: Discharge space

Claims (5)

delete A lid body; A packing disposed at an edge of the lid body; A lid handle provided at the center of the lid body; And a check valve that is liftably mounted within the lid handle,
Wherein the lid handle is composed of a hollow core portion disposed on a through hole formed at the center of the lid body and mounted on the upper side of the check valve and a hollow cap portion coupled to the lid body,
The hollow core portion is made of stainless steel,
The hollow core has a hollow body formed with a fastening protrusion to be fastened to the hollow cap part. The fastening flange is bent outward from the lower end of the hollow body and is located outside the through hole and on the bottom of the lid body. And a sheet which is folded inward from an upper end of the body and in which an opening / closing ball is opened / closed by the check valve,
A horizontal discharge hole is formed at one side of the hollow cap portion,
Wherein the discharge hole is disposed at an upper end of the hollow core portion,
Wherein the engaging flange is formed with a recessed groove to which a seal is mounted,
Wherein the seal comprises a first seal fitted in the groove and a second seal projecting upwardly from an upper surface of the first seal and inclined inwardly.
The method of claim 2,
Wherein the check valve comprises: an opening / closing flange disposed on an upper surface of the seat; a vertex formed on an upper portion of the opening / closing flange; a hollow flange disposed on a bottom surface of the through hole; And a gap projection formed along an upper surface of the hollow flange.
delete The method according to claim 2 or 3,
Wherein the packing is assembled by being fitted to a bottom surface of the frame mounted along the rim of the lid body.

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