JP2007283060A - Cover locking device for pressure cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a single operating system for locking the cover of a pressure cooker. <P>SOLUTION: In the pressure cooker A, a metal frame 5 is integrated with the surface 4a of a cover body 4, a link body 8 is provided so as to be turned synchronized with the turning between a depressed state (a) and a raised state (b) of a lever handle body 7 provided at a fulcrum 6 positioned at the center of the frame 5, and a lock body 9 is connected to and slidably associated with the link body 8. In association with the lock body 9 having C-shaped ends 9a to freely clamp both of the edge of the lid body 4 and the edge of an opening 3a of a container body 3 so as to be fitted to each other, turning of the lever handle body 7 into the depressed state (a) slidably move the lock body 9 toward the center of the lid body 4, the C-shaped end 9a of the lock body 9 holds both the lid body 4 and the container body 3 so as to be locked, and turning of the lever handle body 7 into the raised state (b) moves the lock body 9 outward from the lid body 4 to release the lock, and thus, a cover locking device for a pressure cooker is provided. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a locking device for a lid of a pressure heating cooking container (pressure cooker) used in a general household.

０を容器本体３００に被せて双方を密閉して、ロック及びロック解除する為の装置を具備する。As a conventional technique of this kind, most of the pressure cookers AA used in general households are stainless steel container bodies for cooking foods with a phenolic resin handle 30b as described in FIG.

A device for locking and unlocking is provided by covering the container body 300 with 0 and sealing both.

  Many of these hermetically locking and unlocking devices are detachable by inserting both sides 900a of the lock body 900 integrated with the lid 400 into the groove 30c integrated with the handle 30b. The lid 400 is coupled to the container main body 300 and is sealed and locked by a rotary bayonet method.

  The lid 400 described above has a pressure regulator 200 for keeping the pressure of the container body 300 at a constant level and discharging excess steam to the outside, and when the pressure regulator 200 does not work normally. Thus, a safety configuration is generally provided by providing a safety valve 100 that relieves pressure.

  The pressure cooker AA composed of these components is cooked using a gas fire, using materials in the container body 300, determining the amount of water necessary for cooking, the heating time, and the steaming time.

  However, in the case of the above-described prior art, the container body 300 is covered with the lid body 400 and locked, so that the bayonet system is used, so both sides of the lock body 900 are inserted into the groove body 30 of the handle 30b, 30b, holding the lock body 900 and the knob 90b with one hand and turning it clockwise, and not only the container body 300 rotates around in the closing direction, but also the packing elasticity is There is a problem that a considerably large force is applied to both hands in addition to the sliding surface, the lid 400 is not completely closed, and is not properly closed.

  In addition, when the lid 400 is put on the container body 300 to be locked, it is turned left and right while applying pressure to the packing provided at both joints, and the sliding surface of the packing is damaged due to rotational friction or damage due to wear. In addition to being fast, there is a problem that these losses are strong and steam leaks from around the lid 400.

In order to solve this problem, the invention according to claim 1 is equipped with a safety valve 1 and a pressure regulator 2 used in general households, as described in FIGS. The metal frame 5 is integrated with the surface 4a of the lid 4 that opens and closes in a sealed manner through the packing in the opening 3a of the container body 3 in the pressure heating cooking container A, and these frames are integrated. 5 is a lock body which is linked to a link body 8 which is provided so as to be able to rotate in synchronism with the rotation of the lever handle body 7 by pushing down the lever handle body 7 provided at the fulcrum 6 located at the center of 9 has a U-shaped 9a at its end and slides to the center of the lid 4 so that the U-shaped 9a of the lock body 9 is sandwiched between the lid 4 and the container body 3, And the lever 9 is lifted and rotated to turn the lock 9 into the lid. It moved and can be configured to release the lock toward the outside of.

  Next, as described in FIG. 4 with respect to the invention according to claim 2, the operation of pushing down the lever handle body 7 described above is performed by both the lid body 4 and the container body 3 in the U-shaped shape 9a of the lock body 9. The sandwiching lock is released, and the operation of lifting the lever handle 7 b is configured such that both the lid 4 and the container body 3 can be sandwiched and locked.

  Since the present invention operates as described above, it has the following excellent effects. That is, food is put in the container body and the lid is put on, and the operation of locking and unlocking the lid can be done by raising and lowering the lever handle body one-touch operation and the lid does not rotate. A lid locking device can be provided.

  In this way, the lid lock device of the pressure cooker can be locked and unlocked without rotating the lid so that it is not damaged due to partial deterioration or wear of the packing equipped to make the container body secret. Can be provided.

  In addition, the lid lock device of the pressure cooker can be provided which does not characterize the covering position of the lid that can be placed anywhere when the container body is covered.

Best mode for carrying out the invention

  Hereinafter, the present invention will be described in more detail based on the embodiments shown in the drawings. That is, FIG. 1 is a side view in a cross section based on the first embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a side view in a partial cross section in the use example. Equipped with a safety valve 1 and a pressure regulator 2 used in general households, these equipments are provided on the lid 4 and the container body 3 into which the food is placed is covered in a sealed manner via a packing, and a locking device is provided. The pressurized overheated cooking container (pressure cooker) A is provided to provide a new lid locking device for these lids 4, and the conventional lid locking mechanism of the pressure cooker A has been described in detail in the preamble. Similarly, the lock and unlocking pressure cooker with a bayonet to set the lid at a specific position on the pan and turn the lid were tributaries. The container body 3 has a capacity of 2,0 liters to 7,0 liters and the like, and the ratings of the safety valve 1 and the adjustment weight of the pressure regulator are naturally commercialized with different specifications.

  And when these pressure cookers are heated on a gas stand etc., they become extremely fast and hot and can be cooked economically, and it is useful to make delicious home cooking such as cooking, boiling, steaming, etc. There was difficulty in locking and unlocking the lid, and a lid locking device was desired as well.

  The present invention embodies a significant improvement over the conventional bayonet locking system, and is equipped with a lever handle body 7 that pivots up and down at the center of the surface of the lid body 4, and these lever handle bodies 7 are shown in FIG. 2 and 3, the fulcrum 6 serving as the rotation shaft of the lever handle body 7 is a metal thin plate-like frame provided integrally with the surface 4 a of the lid body 4. It is equipped with a support which is located in the center of 5 and bent into a U-shape, and can be pushed down in the arrow direction and lifted up in the reverse arrow direction.

  The two levers 8 are connected to each other on the side of the fulcrum 6 surfaces of the lever handle body 7 that are pivotally supported, and are connected by loosely pivoted links. Is a lever handle body which is pivotally connected to a support in which a terminal of a metal thin plate-like lock body 9 which is joined to the bottom surfaces of both ends of the frame 5 and can be inserted and removed by sliding movement is bent into a U-shape. 7, the lock body 9 is configured so that it can be freely inserted and removed toward the center of the lid body 4 by synchronous interlocking.

  As described above, the lock body 9 that is synchronously interlocked with the lever handle body 7 so as to be able to be put in and taken out toward the center of the lid body 4 as described above has an end portion that faces the container body 3 along the outer peripheral edge of the lid body 4. These U-shapes form the structure of the lock body 9 in such a manner that both the edge of the lid 4 and the edge of the container body 3 are tightly held and sandwiched.

  The lever handle body 7 integrated with these lid bodies 4 covers the container body 3 after the ingredients are put in. However, the lever handle body 7 is lifted in the direction of the arrow b so that the lock body 9 The conical shape 9a is set at a position away from the outer peripheral edge of the lid body 4 and the outer peripheral edge of the container body 3, and the unlocking mode of these lid bodies 4 is such that the lever handle body 7 is located at the center of the lid body 4. Appearance can be recognized by standing upright, and it is easy to recognize the appearance that these lever handle bodies 7 are pushed down in the direction of the arrow and locked by a.

  Next, the second embodiment will be described. As shown in the side view of the partial cross section in FIG. 4, the lever handle body 7 is pushed down in the direction of the arrow and folded into the a shape, so that the lid body 4 is unlocked. With the lever handle body 7 of the reverse operation of one embodiment, the lock operation is performed by lifting the lever handle body 7 in the direction of the arrow b, and the link rotation of the link body 8 in the direction of the arrow is linked to the lock. The body 9 slides in the direction of the arrow, and the U-shaped shape 9a of the lock body 9 sandwiches the outer peripheral bent portion of the opening 3a of the container body 3 so that the lid 4 is sealed.

    It is a side view in a section in the first example concerning the present invention.     It is a top view in a 1st example.     It is a side view in a partial cross section in the first embodiment     It is a side view with a partial cross section in 2nd Example concerning this invention.     It is a whole perspective view in a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,100 Safety valve 2,200 Pressure regulator 3,300 Container main body 3a, 30a Opening 3b, 30b Handle 30c Groove body 4,400 Lid body 5 Frame 6 Support point 7 Lever handle body 8 Link body 9,900 Lock Body 9a, 90a U-shape 90b Pick a Push down b Lift up

Claims (2)

  In a pressurized cooking container (A) equipped with a safety valve (1) and a pressure regulator (2) used in a general household, a packing is provided at the edge of the opening (3a) of the container body (3). A metal frame (5) is integrated with the surface (4a) of the lid (4) that opens and closes in a sealed manner, and is provided at a fulcrum (6) located in the center of these frames (5). A link body (8) provided so as to be able to rotate synchronously with the rotation of the lever handle body (7) by pushing down (a) and lifting (b), and a lock body (9) connected to the link body (9). However, the end portion is U-shaped (9a), and the lock body (9) is configured such that both the edge of the lid (4) and the edge of the opening (3a) of the container body (3) are closely bonded and sandwiched. The lever body (7) is pushed down (a) and the lock body (9) is interlocked by rotating. By sliding and moving to the center of the lid (4), the U-shaped (9a) of the lock body (9) sandwiches the lid (4) and the container body (3), and locks both. The lock handle (9) is moved toward the outside of the lid (4) by lifting (b) and rotating the lever handle body (7), and the lock can be released. Lid lock device.   When the lever-handle body (7) is pushed down (a), the lock body (9) has a U-shaped (9a) to lock the lid (4) and the container body (3). The operation of lifting (b) of the lever handle (7) to release and to enable pinching of both the lid (4) and the container body (3) is enabled. Pressure cooker lid lock device.

Images