JP3210825U - Pressure cooker lid - Google Patents

Abstract

There is provided a lid for a pressure cooker capable of eliminating looseness associated with setting of each part or change with time, light operation, stable operation for a long period of time, and simple assembly. The lid of the pressure cooker moves horizontally along with a fixed operation button and a fixed release operation button, a U-shaped base 20 positioned below the operation button, and sliders 4 and 5. A horizontal holding plate 30 held in a horizontal long groove of a vertical plate of the U-shaped base, a rotating plate 35 pivotally attached to the central portion of the U-shaped base, and an inner portion of the slider above the rotating plate A seesaw-type swing plate provided so as to be swingable between the vertical plates of the U-shaped base above the horizontal holding plate above the end, and is suspended from the side of the seesaw-type swing plate The engagement hole of the arcuate part of the stagnation part and the horizontal long groove holding part of the horizontal holding plate are engaged, and the slider is horizontally moved by operating the operation button to fix and release the lid. [Selection] Figure 13

Description

  The present invention relates to a lid for a pressure cooker.

  Conventionally, as shown in the following Patent Document 1, a container body, a lid body that can close an opening of the container body, and a pair that is movable in the radial direction of the lid body for fixing the lid body to the container body As an operation mechanism, a lid for a pressure cooker in which a gear shaft is rotatably installed at the center of the lid and a handle is provided on the gear shaft is known. It has been.

  However, the lid of the pressure cooker of Patent Document 1 rotates the handle in either the forward or reverse direction so that the pinion of the gear shaft and the rack formed on the pair of sliders engage with each other. The fastening piece provided at the outer end is fixed to the container body or released from the container body, so in particular, if the handle does not completely rotate to the fixed position and stops halfway, the fastening piece on the lid will be In contrast, there is a possibility that an accident may occur due to a half-hanging state (not completely locked).

  As an improvement measure for this, in Patent Document 1, although a restriction mechanism for restricting the rotation range of the handle to a fixed position and a fixed release position is provided, not only the structure is complicated, but also by this restriction mechanism, As described above, it is impossible to wipe out the possibility that the fastening piece of the lid will be in a half-hanging state with respect to the container body as described above.

  Furthermore, since the rack and pinion mechanism in Patent Document 1 is operated by a handle that protrudes to the outside, the handle acts as a knob for the lid, so the user is willing to open and close the fastening piece. In spite of the lack, there was a safety problem that the lid was recognized as a knob of the lid and operated incorrectly, and the lid was released from the container body.

  Then, this inventor devised the cover of the pressure cooker shown by the following patent document 2 in order to solve said problem. The operation mechanism in the lid of the pressure cooker includes a fixed operation button and a fixed release operation button, a U-shaped base that is located below the fixed operation button and the fixed release operation button, and a central portion of the base A pinion pivotally attached to the base plate, a seesaw-type rocking plate swingably provided between the vertical plates of the base at an upper position thereof, a spring for returning the rocking plate to the original position, and one side portion of the rocking plate An arc-shaped pinion suspended from the rack and an arc-shaped pinion and a rack that meshes with the pinion are provided at the inner end. The outer end portion has a fastening piece, the inner end portion has a first slider that moves in a radial direction and a horizontal direction on the upper surface portion of the lid, and a rack that meshes with the pinion, and the fastening piece is attached to the outer end portion. And a second slider that moves in the radial direction and in the horizontal direction on the upper surface of the lid.

JP 2007-190168 A Utility Model Registration No. 3172513

  However, the lid of the pressure cooker disclosed in Patent Document 2 is a combination mechanism of a rack and a pinion, and is a mechanism that converts the vertical movement of the operation button into a horizontal movement of the first slider and the second slider. There is a risk that loosening when setting each part or loosening with the passage of time will occur, resulting in problems in meshing.

  Therefore, in order to solve the above problems, the present invention is not a rack and pinion mechanism (gear type), but a long cooker and a shaft are formed in each component, and a pressure cooker having an operation mechanism in which these are combined is used. A lid was devised.

  The lid of the pressure cooker according to claim 1 of the present invention is a lid that closes the opening of the container body, and is arranged in a radial direction on the upper surface of the lid to fix the lid to the container body, and mutually. A pair of fastening pieces provided at the outer end of a pair of sliders that can be horizontally moved in different directions, the pair of fastening pieces are located on the inside and a fixed position where the lid is fixed to the container body, and on the outside And a lid for a pressure cooker, the lid being provided on an upper surface portion of the lid. A pressing-type fixing operation button and fixing release operation button that are individually embedded adjacent to each other at substantially the same upper surface, and located below the fixing operation button and fixing release operation button, and in front of the center portion of the lid Consists of standing bottom plate and vertical plates on both sides A cross-section of the U-shaped base, a horizontal holding plate that moves horizontally with the slider, and is held in a horizontal long groove of a vertical plate of the U-shaped base, and a central portion of the U-shaped base. Rotating between a vertical plate of the U-shaped base on a rotary plate pivotably attached and above the horizontal holding plate above the inner end of the slider above the rotary plate Engagement of the arcuate portion of the plate-like portion suspended from the side of the seesaw-type rocking plate, comprising a seesaw-type rocking plate and a spring provided to return the seesaw-type rocking plate to its original position The hole is engaged with a horizontal long groove holding portion of the horizontal holding plate, and the slider is horizontally moved by the operation of the operation button to fix and release the lid.

  According to a second aspect of the present invention, there is provided a lid for a pressure cooker according to the present invention, in addition to the structure of the first aspect, wherein the horizontal holding plate is horizontally placed in a horizontal long groove provided on the vertical plate of the U-shaped base. It is engaged so that it may move.

  Furthermore, the lid of the pressure cooker according to claim 3 according to the present invention includes an elliptical hole of the slider, a screw hole of the rotating plate, and a long hole of the horizontal holding plate in addition to the configuration of the above-mentioned claim 1 or claim 2. It is characterized by having a coupling screw that is pivotally coupled at the same time.

  The lid of the pressure cooker of the present invention makes it possible to eliminate looseness when setting each part and with time change, lightening the operation, guaranteeing stable operation for a long time, and simplifying assembly it can.

It is Example 1 which applied the lid | cover of the pressure cooker which concerns on this invention to the container main body of a pressure cooker, Comprising: It is the whole perspective view of the state which has a clamp | tightening piece in a fixed position. It is a schematic perspective view of the lid | cover of a pressure cooker which abbreviate | omitted the lid cover from the lid | cover of the pressure cooker shown in FIG. It is a schematic perspective view in case a fastening piece exists in a fixed position. It is a schematic perspective view in case a fastening piece exists in a fixed release position. It is a disassembled perspective view which shows the U-shaped base in an operation mechanism. It is a disassembled perspective view which shows the state which attached the rotating plate to the U-shaped base in the operation mechanism. It is a perspective view of a rotating plate. It is an exploded top view which shows the state which attached the rotating plate to the U-shaped base in the operation mechanism. It is a top view which shows the structure of a slider and a fastening piece. It is a disassembled perspective view which shows the relationship structure of a U-shaped base, a rotating plate, and a slider. It is a top view which shows a horizontal holding board. It is a top view which shows the state which built the rotation board, the slider, and the horizontal holding board in the U-shaped base, and made the slider adjoin. It is a top view which shows the state which incorporated the rotation board, the slider, and the horizontal holding board in the U-shaped base, and separated the slider. It is a perspective view of a seesaw type rocking plate. It is the perspective view seen from another angle of the seesaw-type rocking | fluctuation board. It is a disassembled perspective view which shows the state which tries to incorporate a seesaw type rocking | fluctuation board in the state of FIG. It is a perspective view which shows the state which assembled a part of operation mechanism.

  Now, preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.

  As shown in FIG. 1, the pressure cooker 1 includes a bottomed and substantially cylindrical container body 2 and a lid 3 that closes an opening (not shown) of the container body 2.

  The container body 2 is formed with an annular peripheral portion having a U-shaped cross section at the periphery of the opening, and a pair of grips 2a and 2a (the other grip in FIG. 1) facing the diameter position of the outer peripheral side wall. (Not shown) is projected by screwing or welding.

  The lid 3 is disk-shaped, and a downward flange 3a is suspended from the outer peripheral edge thereof. An annular packing (not shown) is fitted inside the downward flange 3a. When the container body 2 is covered, the annular packing is pressed against the annular peripheral edge of the container body 2, and the container body 2 is held airtight.

  As shown in FIG. 2, a pair of sliders (first slider 4 and second slider 5) that can be horizontally moved in the radial direction and in different directions are provided on the diameter line of the upper surface portion of the lid 3. ing. A pair of arcuate fastening pieces 6 and 7 are provided on the outer ends of the pair of sliders 4 and 5 by welding or the like. The pair of tightening pieces 6 and 7 are connected to a fixing position L where the lid 3 is fixed to the container body 2 via a pair of sliders 4 and 5, as shown in FIG. The lid 3 moves between a fixed release position F where the fixed lid is released from the container body 2. The pair of fastening pieces 6 and 7 are formed so as to be able to embrace the peripheral edge portion of the container body 2 and the downward flange portion 3a of the lid 3, respectively.

  The operation mechanism 10 is responsible for allowing the pair of fastening pieces 6 and 7 to move between the fixed position L and the fixed release position F.

  The operation mechanism 10 is mainly composed of a pressing type fixing operation button 11 and a fixing release operation button 12, a U-shaped base 20, a rotating plate 35, sliders 4, 5, a horizontal holding plate 30, and a seesaw type. It consists of a rocking plate 40.

  As shown in FIG. 1, the fixing operation button 11 and the fixing release operation button 12 are individually embedded adjacent to and substantially on the same upper surface as the upper surface portion of the lid 3, and the upper surface of the lid 3. The elliptical through hole 3c is formed in the central portion of the lid cover 3b covering the operation mechanism 10 provided in the diametrical direction, and the operation shown in FIG. 2 is fixed to the through hole 3c by screwing or the like from below. A button attachment plate 3d is arranged, and both operation buttons 11 and 12 are fitted in the empty space between the operation button attachment plate 3d and the upper end of the through hole 3c so as to be movable up and down. That is, as shown in FIG. 2, the fixed operation button 11 and the fixed release operation button 12 are symmetrically arranged in the same shape, and both the operation buttons 11 and 12 are formed of one virtual elliptical plate. The halves obtained by cutting the short axis central portion are used as the push button portions 11a and 12a, and the back surface of the push button portions 11a and 12a has a small diameter for pushing the upper surface of a seesaw-type rocking plate 40 described later. The leg portions 11b and 12b are vertically suspended, and coil springs are wound around the leg portions 11b and 12b. A plurality of locking pieces 11c and 12c projecting from the side walls of the push button portions 11a and 12a and the lid 3 are provided. The upper surfaces of the push button portions 11a and 12a are substantially the same upper surface as the lid cover 3b (not limited to the completely same upper surface) due to the engagement with the engagement receiving portion formed on the upper portion of the inner peripheral wall surface of the through hole 3c. This also includes the case where they can be identified. And it is urged upwardly so that.

  On the upper surface (front surface) of the push button portion 11a, any one of LOCK, CLOSE, closed characters, pictograms, etc. is written. On the upper surface (front surface) of the push button portion 12a, characters such as UNLOCK, OPEN, open, etc. Any one of pictograms and the like is written so that the user can easily operate at a glance and prevent an operation error.

  As shown in FIG. 1, a raised portion 3g having a substantially band-like inclined surface is formed in a substantially diameter range from the center portion of the lid cover 3b provided with the fixing operation button 11 and the fixing release operation button 12 to the left and right. The knobs 3h and 3h can be gripped with human fingers by denting the side walls of the raised portion 3g. As a result, as shown in Patent Document 1, it is easier to grip and safer than a gripping handle.

  As shown in FIG. 2, the U-shaped base 20 is positioned below the fixing operation button 11 and the fixing release operation button 12 and is erected at the center of the lid 3. That is, as shown in FIG. 5, the U-shaped base 20 includes a substantially rectangular bottom plate 21 and a pair of vertical plates 22 and 23 raised at both front and rear ends of the bottom plate 21, 2 is dropped into a substantially rectangular recess formed in the central portion of the strip-shaped recess 3n formed in the diameter direction of the upper surface of the lid 3 shown in FIG. 2, and the upper surface of the bottom plate 21 and the recess 3n of the lid 3 The bottom plate 21 is fixed to the upper surface of the lid 3 by welding or the like so that the upper surfaces of the two are the same surface. The U-shaped base 20 is formed with a central axis 21 a and a crescent-shaped long groove 21 b at the center of the bottom plate 21. As shown in FIGS. 5 and 6, the vertical plates 22 and 23 are formed with holding holes 22 a and 23 a in the upper portions and horizontal long grooves 25 and 26 in the lower portions.

  As shown in FIG. 7, the rotating plate 35 includes a center hole 35 a, a screw hole 35 b, and a cylindrical convex portion 35 c, and as shown in FIGS. 6 and 8, in the central portion of the U-shaped base 20. The rotation plate 35 is pivotally attached to the U-shaped base 20 by fitting the center hole 35a of the rotation plate 35 into the center shaft 21a.

  As shown in FIG. 9, the first slider 4 and the second slider 5 are made of a substantially rectangular plate body, and the inner end side thereof is cut out with a part cut out with the same shape left and right. The sliders 4 and 5 are arranged symmetrically, and the long holes 4a and 5a are formed outside the inner ends of the sliders 4 and 5, and the elliptical holes 4b and 5b are formed at the inner ends. As shown in FIG. 2, guide pins 8 and 8 fixed to the upper surface of the lid 3 are fitted into the long holes 4 a and 5 a, so that both sliders 4 and 5 are placed on the upper surface of the lid 3. When horizontally moved in different directions, the guide is guided so as to be horizontally moved in a straight line, and the sliding range of the left-right movement is restricted. The guide pin is not necessarily provided on the lid, and may be provided on the lid cover.

  Further, as shown in FIG. 9, the fastening pieces 6 and 7 described above are fixed to the outer end portion of the first slider 4 and the outer end portion of the second slider 5 by welding or the like.

  Then, the elliptical hole 4b formed in the first slider 4 shown in FIG. 10 is formed in the second slider 5 by being rotatably fitted to the cylindrical convex portion 35c of the rotating plate 35 as shown in FIG. The elliptical hole 5b passes through a long hole 33 (described later) formed in the horizontal holding plate 30 shown in FIG. As shown in FIG. Since the tip of the coupling screw 50 is configured not to reach the bottom of the crescent-shaped long groove 21b of the U-shaped base 20, the elongated hole 33 formed in the horizontal holding plate 30 and the coupling screw 50 are As a result, when the coupling screw 50 is rotated in the circumferential direction of the rotating plate 35, the rotating plate 35 rotates while the tip of the coupling screw 50 moves along the bottom of the crescent-shaped long groove 21b. become.

  As shown in FIG. 11, the horizontal holding plate 30 is formed with horizontal long groove holding portions 31 and 32 protruding at both ends thereof, and the long hole 33 is formed on one end side, and the horizontal holding plate 30 is horizontal. As the holding plate 30 moves horizontally, the second slider 5 moves horizontally as shown in FIG. 13 from the state shown in FIG.

  As shown in FIGS. 14 and 15, the seesaw-type rocking plate 40 has a horizontal plate-like portion 41 at the center, inclined surfaces on the left and right sides shown in FIG. The inclined plate-like portions 42 and 43 that are inclined to face each other in the direction of sliding toward the side and the horizontal plate-like portion 41 are integrally formed, and the lower ends that are suspended from both sides of the inclined plate-like portions 42 and 43 form an arc shape. Engaging holes 40a and 40b are formed in the upper parts of the vertical plate-like parts 44 and 45, respectively, and the engaging holes 46 and 47 that are open at the bottom are respectively formed in the arcuate portions at the lower ends. Is formed.

  The seesaw-type rocking plate 40 is positioned above the inner end portions of the sliders 4 and 5 that are overlapped and locked on the rotating plate 35 shown in FIGS. As shown in FIG. 16, the holding holes 22a and 23a in the U-shaped base 20 and the locking holes 40a and 40b of the seesaw-type rocking plate 40 are matched to pass through the locking shaft 48, The inclined plate-like portions 42 and 43 are pushed down by the pressing operation of the fixing operation button 11 and the fixing release operation button 12, and the seesaw-type rocking plate 40 is interposed between the vertical plates 22 and 23 of the U-shaped base 20. Oscillates.

  The horizontal holding plate 30 is disposed below the seesaw-type swing plate 40 at a position above the inner end of the slider. The horizontal holding plate 30 has the horizontal long groove holding portions 31 and 32 connected to the core. The seesaw type rocking base 20 is held in the horizontal long grooves 25 and 26 provided in the vertical plates 22 and 23, respectively, and is engaged with the engagement holes 46 and 47 of the seesaw type rocking plate 40. As the moving plate 40 swings, the horizontal long groove holding portions 31 and 32 move horizontally in the same direction while maintaining the horizontal state.

  Reference numeral 49 denotes a spring provided so that the seesaw-type swing plate 40 is returned to its original position, and one end of the spring 49 is attached to the U-shaped base 20, and the other end is the seesaw-type swing plate. It is attached to 40 inclined plate-like parts 42. By the click action of the spring 49, the seesaw-type rocking plate 40 performs a seesaw operation and is stably reversed and held. In addition, the spring 49 stabilizes the state in which the fastening pieces 6 and 7 are in the fixed position and the state in the fixed release position by the horizontal movement of the first slider 4 and the second slider 5. It also has a holding role.

  Next, the operation of the first embodiment will be described below.

  When the lid 3 is fixed to the container body 2, the tilting plate-like portion 43 of the seesaw type rocking plate 40 is pushed and the seesaw type rocking plate 40 is rocked by depressing the fixing operation button 11 shown in FIG. 1. The horizontal long groove holding portions 31 and 32 engaged with the engagement holes 46 and 47 of the arc-shaped portions of the vertical plate-like portions 44 and 45 suspended from the side portion of the seesaw-type swing plate 40 by the swing. At the same time, the horizontal holding plate 30 moves horizontally from the state shown in FIGS. 4 and 13 to the state shown in FIGS. 3 and 12, and the coupling screw 50 moves to move the second slider 5 horizontally. Further, as the rotating plate 35 to which the connecting screw 50 is screwed is rotated in accordance with the movement of the connecting screw 50, the elliptical hole 4b is fitted into the cylindrical convex portion 35c of the rotating plate 35. 1 slider 4 is moved horizontally. As a result, the fastening piece 6 of the first slider 4 and the fastening piece 7 of the second slider 5 move inward to lock the upper opening edge (not shown) of the container body 2, and the lid 3 serves as the container body. 2 is fixed. The fixed position is held by a spring 49 hung between the U-shaped base 20 and the seesaw-type rocking plate 40. When the pressing operation of the fixed operation button 11 is stopped, the push button 11a is moved up to the original position by the elastic force of the coil spring built in the fixed operation button 11.

  When the lid 3 is unfixed from the container body 2, the inclined plate-like portion 42 of the seesaw-type rocking plate 40 is pushed and the seesaw-type rocking plate 40 is pushed by depressing the fixing release operation button 12 shown in FIG. The horizontal long groove holding portion 31 engaged with the engagement holes 46, 47 of the arc-shaped portions of the vertical plate-like portions 44, 45 suspended from the side portion of the seesaw-type swing plate 40 by the swing. 32, the horizontal holding plate 30 moves horizontally from the state shown in FIGS. 3 and 12 to the state shown in FIGS. 4 and 13, and the coupling screw 50 moves to move the second slider 50 horizontally. Let Further, as the rotating plate 35 to which the connecting screw 50 is screwed is rotated counterclockwise in accordance with the movement of the connecting screw 50, the elliptical hole 4b is fitted into the cylindrical convex portion 35c of the rotating plate 35. The first slider 4 is moved horizontally. As a result, the fastening piece 6 of the first slider 4 and the fastening piece 7 of the second slider 5 move outward to release the locking with the upper opening edge (not shown) of the container body 2, and the lid 3 The fixing to the container main body 2 by is released. The fixed release position is held by a spring 49 hung between the U-shaped base 20 and the seesaw-type rocking plate 40. When the pushing operation for the fixing release operation button 12 is stopped, the push button 12a is moved up to the original position by the elastic force of the coil spring built in the fixing release operation button 12.

  As described above, the operating mechanism 10 according to the present embodiment is configured so that the seesaw-type swing plate 40 shown in FIG. The horizontal long groove holding portions 31 and 32 in the horizontal holding plate 30 shown in FIGS. 12 and 13 engaged with 46 and 47 are horizontally moved along the horizontal long grooves 25 and 26 of the U-shaped base 20 and coupled. The screw 50 moves. When the coupling screw 50 moves simultaneously with the movement of the coupling screw 50, the rotating plate 35 rotates and the cylindrical convex portion 35c rotates. Therefore, when the second slider 5 engaged with the coupling screw 50 and the first slider 4 engaged with the cylindrical protrusion 35c approach and separate from each other, the first and the first shown in FIGS. When the fastening pieces 6, 7 attached to the sliders 4, 5 respectively move, the lid 3 is opened and closed with respect to the container body 2.

  As mentioned above, although embodiment of this invention was described, this embodiment is shown as an example and is not intending limiting the range of invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. This embodiment and its modifications are included in the scope and the gist of the invention, and are also included in the invention described in the claims of the utility model registration and its equivalent scope.

1 ... Pressure cooker
2 ... …… Container body 2a …… Handle 3 ……… Lid 3a …… Down hook 3b …… Lid cover 3d …… Operation button mounting plate 4 ……… First slider 4a …… Elongation hole 4b of the first slider ... Elliptical hole of the first slider 5 ... ... The second slider 5a ... The oblong hole of the second slider 5b ... The elliptical hole of the second slider 6 ... ... The fastening piece 7 ... ... The fastening piece L ... ... Fixed Position F ......... Fixed release position 10 ... Operating mechanism 11 ... Fixed operation button 11a ... Push button part 11b ... Leg part 11c ... Locking piece 12 ... Fixed release operation button 12a ... Push button part 12b ... Leg part 12c ... Locking piece 20 ... U-shaped base 21 ... Bottom plate 21a ... Center axis 21b ... Crescent long groove 22 ... Vertical plate 22a ... Holding hole 23 ... Vertical plate 23a ... Holding hole 25 ... Horizontal long groove 26 ... Horizontal long groove 30 ... Horizontal holding plate 31 …… Horizontal long groove holding portion 32 …… Horizontal long groove holding portion 33 …… Elongated hole 35 …… Rotating plate 35a… Rotating plate center hole 35b… Rotating plate screw hole 35c… Cylindrical convex portion 40 …… Seesaw Type rocking plate 40a ... locking hole 40b ... locking hole 41 ... horizontal plate-like part 42 ... inclined plate-like part 43 ... inclined plate-like part 44 ... vertical plate-like part 45 ... vertical plate-like part 46 ··································································································· Locking shaft 49...

Claims (3)

A lid for closing the opening of the container body,
A pair of clamping pieces provided at outer ends of a pair of sliders that can be horizontally moved in the radial direction and in mutually different directions in order to fix the lid to the container body;
The pair of tightening pieces includes an operation mechanism that is movable between a fixed position where the lid is fixed to the container body and a fixed release position where the lid is fixed and released from the container body. In the lid of the pressure cooker comprising
The operation mechanism includes a pressing-type fixing operation button and a fixing release operation button individually embedded in a central portion of a lid cover provided on an upper surface portion of the lid, adjacent to each other on substantially the same upper surface, and the fixing operation button and fixing Positioned below the release operation button, the longitudinal section consisting of a bottom plate standing in front of the center of the lid and vertical plates on both sides moves horizontally with the U-shaped base and the slider, and the U-shaped A horizontal holding plate held in the horizontal long groove of the vertical plate of the base;
A rotating plate pivotably attached to the center of the U-shaped base;
A seesaw-type swing plate provided so as to be swingable between the vertical plates of the U-shaped base above the horizontal holding plate above the inner end of the slider above the rotating plate;
It consists of a spring provided so that the seesaw-type rocking plate returns to its original position,
Engage the engagement hole of the arcuate part of the plate-like part suspended from the side of the seesaw-type rocking plate with the horizontal long groove holding part of the horizontal holding plate, and move the slider horizontally by operating the operation button The lid of the pressure cooker is characterized in that the lid is fixed and released. The lid of the pressure cooker according to claim 1, wherein the horizontal holding plate is engaged so as to move horizontally in a horizontal long groove provided in the vertical plate of the U-shaped base. The lid for a pressure cooker according to claim 1 or 2, further comprising a coupling screw for simultaneously pivotally coupling the elliptical hole of the slider, the screw hole of the rotating plate, and the elongated hole of the horizontal holding plate.